CN110154906B

CN110154906B - Pedal equipment for vehicle and telescopic device thereof

Info

Publication number: CN110154906B
Application number: CN201910304218.9A
Authority: CN
Inventors: 杜新法; 张琦; 王松峰; 詹勇勇; 王乙茗; 何涛; 范兴
Original assignee: T Max Hangzhou Technology Co Ltd
Current assignee: T Max Hangzhou Technology Co Ltd
Priority date: 2018-07-20
Filing date: 2019-04-16
Publication date: 2024-05-14
Anticipated expiration: 2039-04-16
Also published as: CN110154906A; CN210680567U; CN212125000U

Abstract

The invention discloses a pedal device for a vehicle and a telescopic device thereof, wherein the telescopic device comprises a pedal support and an arm assembly, the pedal support is provided with a connecting part, the arm assembly is used for driving the pedal support to move between an extending position and a retracting position, the arm assembly comprises a first arm and a second arm, the first arm is provided with a first end and a second end, the second end of the first arm is pivotably connected with the connecting part of the pedal support, the second arm is provided with a first end and a second end, the second end of the second arm is pivotably connected with the connecting part of the pedal support, and the second end of at least one arm of the first arm and the second arm straddles the connecting part. The telescopic device of the pedal equipment for the vehicle improves the strength and the service life of the pedal support and improves the running stability of the telescopic device.

Description

Pedal equipment for vehicle and telescopic device thereof

Technical Field

The invention relates to the technical field of vehicles, in particular to a vehicle pedal device and a telescopic device of the vehicle pedal device.

Background

Foot pedals for vehicles are typically provided on a chassis beneath a vehicle door (e.g., side and/or tail doors) for people to get on and off. The vehicle foot pedal is driven by a telescoping device that is connected to the chassis of the vehicle and moves between an extended position and a retracted position. The telescopic device generally comprises a pedal support for installing a pedal and an arm assembly for driving the pedal support to move, wherein in the related art, the pedal support is low in strength and easy to damage, sundries such as silt are easy to enter the matching position of the arm assembly and the pedal support, so that the stress balance of the telescopic device is poor, the stability is reduced, the wear of the arm assembly and the pedal support is serious, and the service life is shortened.

Disclosure of Invention

The present invention has been made in view of the findings and studies of the following problems and facts existing in the related art by the inventors:

in the related art, each arm of the arm assembly generally includes a pair of plates or bars parallel to each other, the pair of plates or bars being connected to both sides of the pedal support, and this form of the arm assembly has problems of low strength, many parts, and complicated processing. In addition, the related art has proposed providing a recess on the pedal support in which an end of an arm in the arm assembly is fitted to be connected to the pedal support, however, the present inventors have found that since the pedal is mounted on the pedal support, the pedal support is stressed greatly when a person steps on and off the pedal, the strength of the pedal support is reduced by providing the recess on the pedal support, thereby causing the pedal support to be easily damaged, and the operation stability of the telescopic device is poor.

The present invention aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the invention provides a telescopic device of the pedal equipment for the vehicle, which has high strength, long service life and improved stability.

The invention further provides pedal equipment with the telescopic device for the vehicle.

In yet another aspect, the present invention provides a drive assembly for a vehicle pedal.

Yet another aspect of the present invention is directed to a pedal assembly for a vehicle.

The telescopic device of the vehicle pedal apparatus according to the embodiment of the first aspect of the present invention includes: a pedal support having a connection portion; and an arm assembly for driving the pedal support to move between an extended position and a retracted position, the arm assembly including a first arm having a first end and a second end, the second end of the first arm being pivotally connected to the connecting portion of the pedal support, the second arm having a first end and a second end, the second end of the second arm being pivotally connected to the connecting portion of the pedal support, the second end of at least one of the first arm and the second arm straddling the connecting portion.

According to the telescopic device of the vehicle pedal device, the pedal support is not provided with the groove, and the strength and the service life of the pedal support are improved and the running stability of the telescopic device is improved by enabling the first arm and/or the second arm of the arm assembly to straddle the connecting part of the pedal support.

An embodiment of the vehicle pedal apparatus according to the second aspect of the invention includes: the telescopic device is the telescopic device of any embodiment; and the pedal is arranged on the pedal support.

A drive assembly for a vehicle pedal according to an embodiment of a third aspect of the present invention includes a mount; a pedal mount movable between an extended position and a retracted position and including a third body and a third hinge connected to the third body; a first connecting portion rotatably connected to the mounting seat and the pedal seat, respectively, the first connecting portion including a first main body and a plurality of first hinge portions connected to the first main body and spaced apart from each other, the third hinge portion being rotatably connected between adjacent first hinge portions; and a second connection part rotatably connected with the mounting seat and the pedal seat, respectively, the second connection part including a second body and a plurality of second hinge parts connected with the second body and spaced apart from each other, the third hinge part being rotatably connected between adjacent second hinge parts.

A pedal assembly for a vehicle according to an embodiment of the fourth aspect of the present invention includes a pedal; the driving assembly is the driving assembly for the vehicle pedal according to any one of the above embodiments, the pedal is mounted on the pedal seat, and the driving assembly is connected with one of the pedal and the pedal seat; the driving piece is connected with the first connecting part to drive the first connecting part to rotate relative to the mounting seat.

Drawings

Fig. 1 is a perspective schematic view of a vehicle pedal apparatus according to an embodiment of the present invention, with a foot pedal in an extended position.

Fig. 2 is a perspective schematic view of a vehicle pedal apparatus according to an embodiment of the present invention, with the foot pedal in a retracted position.

Fig. 3 is a perspective schematic view of a vehicle pedal apparatus according to an embodiment of the present invention, in which a foot pedal is mounted on pedal supports of two telescopic devices, and the foot pedal is in an extended position.

Fig. 4 is a perspective schematic view of a vehicle pedal apparatus according to an embodiment of the present invention, in which the foot pedal is mounted on the pedal support of two telescopic devices, with the foot pedal in a retracted position.

Fig. 5 is a perspective schematic view of a telescoping device according to one embodiment of the invention with the pedal support in an extended position.

Fig. 6 is an exploded view of the telescopic device of fig. 5.

Fig. 7 is a side view of the telescoping device of fig. 5, illustrating the position of the cushioning member.

Fig. 8 is a schematic view of a second arm and bumper of the telescoping device of fig. 5.

Fig. 9 is a perspective schematic view of a telescoping device according to another embodiment of the invention with the pedal support in an extended position.

Fig. 10 is an exploded view of the telescoping device shown in fig. 9.

Fig. 11 is a side view of the telescoping device of fig. 9, illustrating a bumper.

Fig. 12 is a schematic view of a second arm and bumper of the telescoping device of fig. 9.

Fig. 13 is a perspective schematic view of a telescoping device according to yet another embodiment of the invention with the pedal support in an extended position.

Fig. 14 is an exploded view of the telescoping device shown in fig. 13.

Fig. 15 is a side view schematic of the telescoping device of fig. 13 illustrating the location of the cushioning member.

Fig. 16 is a schematic view of a second arm and bumper of the telescoping device of fig. 13.

Reference numerals:

A telescopic device (driving assembly) 100, a mounting support (mounting seat) 1, a support groove 101, a first hole 102, a second hole 103,

Arm assembly 2, first arm 21, first end of first arm 211, second end of first arm 212, first engagement slot 213, first lug 214, first ear hole 215, first arm hole 216, ear plate 217, second arm 22, third hole 220, first end of second arm 221, second end of second arm 222, second engagement slot 223, second lug 224, second ear hole 225, second arm hole 226, mounting hole 227, nose 228, slot 229, third arm 23, first end of third arm 231, second end of third arm 232, third engagement slot 233, third lug 234, third ear hole 235, third arm hole 236, fourth arm 24, first end of fourth arm 241, second end of fourth arm 242, fourth arm hole 243, fifth arm hole 245,

The pedal support (pedal seat) 3, the third body 30, the wedge-shaped inclined surface 301, the connecting portion (third hinge portion) 31, the free end 311 of the connecting portion, the middle portion 312 of the connecting portion, the first pin hole 313, the second pin hole 314,

A buffer (damper block) 4, a first pin (first connecting shaft) 5, a second pin (second connecting shaft) 6, a first bushing 7, a second bushing 8, a third pin 9, a fourth pin 10, a third bushing 11, a fourth bushing 12, a fifth pin (track control shaft, fifth connecting shaft) 13, a fifth bushing 14, a track control board 15, a track control groove (chute) 151, a sixth pin 16, a sixth bushing 17, a seventh bushing 18, and a footboard (pedal) 200.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention. In the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are used for convenience in describing the present invention and simplifying the relative positional relationships between the described elements, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention unless specifically indicated.

A pedal apparatus for a vehicle and a telescopic device thereof according to an embodiment of the present invention will be described below with reference to fig. 1 to 16.

As shown in fig. 1 to 4, the vehicle pedal apparatus according to the embodiment of the present invention includes a telescopic device 100, which is also called a pedal in the embodiment of the present invention, and a pedal 200, which is also called a driving assembly, i.e., a driving assembly for a vehicle pedal. The extension device 100 is coupled to the foot pedal 200 to drive the foot pedal 200 between an extended position and a retracted position, such as figures 1 and 3 showing the extension device 100 extended to place the foot pedal 200 in the extended position and figures 2 and 4 showing the extension device 100 retracted to place the foot pedal 200 in the retracted position. In the description of the embodiments of the present invention, the pedal apparatus for a vehicle is also referred to as a pedal assembly, i.e., a pedal assembly for a vehicle.

In an embodiment of the present invention, one foot pedal 200 may be driven by one or more telescoping devices 100. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

As shown in fig. 3 and 4, two telescopic devices 100 drive one pedal 200, and the two telescopic devices 100 are spaced apart from each other in the length direction of the pedal 200, wherein fig. 3 shows the two telescopic devices 100 simultaneously extended to bring the pedal 200 into the extended position, and fig. 4 shows the two telescopic devices 100 simultaneously contracted to bring the pedal 200 into the retracted position.

The telescopic device 100 may be driven by a driving member, such as a motor, to move the foot pedal 200 between the extended position and the retracted position.

A telescopic device according to an embodiment of the present invention is described below.

As shown in fig. 5-16, the telescopic device 100 of the embodiment of the present invention includes an arm assembly 2 and a pedal support 3 on which a pedal 200 is mounted. The pedal support 3 has a connecting portion 31. The arm assembly 2 is connected to the pedal support 3 to drive the pedal support 3 between the extended and retracted positions. In the description of the embodiments of the present invention, the pedal support is also referred to as a pedal seat, and the connecting portion is also referred to as a third hinge portion.

The arm assembly 2 comprises a first arm 21 and a second arm 22, the first arm 21 having a first end 211 and a second end 212, the second end 212 of the first arm 21 being pivotally connected to the connection 31 of the pedal support 3, the second arm 22 having a first end 221 and a second end 222, the second end 222 of the second arm 22 being pivotally connected to the connection 31 of the pedal support 3. The second end of at least one of the first arm 21 and the second arm 22 straddles the connecting portion 31 of the pedal support 3. In other words, one of the second end 212 of the first arm 21 and the second end 222 of the second arm 22 straddles the connection portion 31, alternatively, as shown in fig. 5 and 6, both the second end 212 of the first arm 21 and the second end 222 of the second arm 22 straddle the connection portion 31. In other words, one of the first arm 21 and the second arm 22 constitutes a first connection portion, and the other of the first arm 21 and the second arm 22 constitutes a second connection portion.

Here, it is to be understood that the term "riding" means that the second end of the first arm 21 and/or the second arm 22 rides on the connection 31, similar to a person riding a horse. In other words, the second end of the first arm 21 and/or the second arm 22 has two legs, one of which is located on a first side of the connection portion 31 and the other of which is located on a second side of the connection portion 31 to sandwich a portion of the connection portion 31 between the two legs.

In the description of the present invention, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

According to the telescopic device provided by the embodiment of the invention, the first arm 21 and/or the second arm 22 of the arm assembly 2 are/is ridden on the connecting part 31 of the pedal support 3, and the pedal support 3 does not need to be provided with the grooves matched with the first arm 21 and/or the second arm 22, so that the strength of the pedal support 3 with high stress is improved, and the running stability of the telescopic device is improved. Further, by straddling the first arm 21 and/or the second arm 22 on the connecting portion 31, the width of the first arm 21 and/or the second arm 22 can be designed to be wider than the case where the recess for fitting the first arm 21 and/or the second arm 22 is provided on the pedal support 3, thereby improving the strength and stability of the overall structure.

In some embodiments, the second end of at least one of the first arm 21 and the second arm 22 has two lugs spaced apart from each other, the two lugs being located on either side of the connection 31, the connection 31 being pivotally connected with the lugs, thereby enabling the second end of at least one of the first arm 21 and the second arm 22 to straddle the connection 31.

As shown in fig. 5, 10 and 14, in some embodiments, the second end 212 of the first arm 21 has two first lugs 214, with a first engagement slot 213 formed between the two first lugs 214, and a first portion of the connecting portion 31 fits within the first engagement slot 213. In other words, the two first lugs 214 are located on both sides of the connecting portion 31, respectively, and the connecting portion 31 is pivotally connected to the two first lugs 214. The second end 222 of the second arm 22 has two second lugs 224, a second engagement groove 223 is formed between the two second lugs 224, and a second portion of the connecting portion 31 is fitted in the second engagement groove 223, that is, the two second lugs 224 are located at both sides of the connecting portion 31, respectively, and the connecting portion 31 is pivotally connected to the two second lugs 224.

In other words, the first connecting portion includes a first main body and a plurality of first hinge portions connected to the first main body to be spaced apart from each other, and the third hinge portion 31 of the pedal seat 3 is rotatably connected between the adjacent first hinge portions. The second connecting portion includes a second body and a plurality of second hinge portions connected to the second body and spaced apart from each other, and the third hinge portion 31 of the pedal seat 3 is rotatably connected between the adjacent second hinge portions.

In the embodiment shown in fig. 5 and 6, the first arm 21 constitutes a second connection portion, the first lug 214 constitutes a second hinge portion, and the third hinge portion 31 of the pedal seat 3 is rotatably connected between the two second hinge portions, and one end of the first body is pivotably connected to the mount (also referred to as mount in the description of the embodiment of the present invention) 1. The second arm 22 constitutes a first connection portion, the second lug 224 forms a first hinge portion, and the first hinge portion has two, and the third hinge portion 31 of the pedal seat 3 is rotatably connected between the two first hinge portions. The mount 1, the first connecting portion 22, the second connecting portion 21 and the pedal seat 3 are configured as a link mechanism.

In some particular embodiments, the second end 212 of the first arm 21 is pivotally connected to a free end (first portion) 311 of the connecting portion 31, and the second end 222 of the second arm 22 is pivotally connected to a middle portion (second portion) 312 of the connecting portion 31. Here, it should be understood that the connection portion 31 extends outwardly from the base body of the pedal support 3, the connection portion 31 has a connection end connected to the base body and a free end 311 remote from the base body, and a middle portion 312 of the connection portion 31 is interposed between the connection end and the free end 311.

In some embodiments, the connection portion 31 has a first pin hole 313 and the first lug 214 has a first ear hole 215, and the connection portion 31 is pivotally connected to the first lug 214 by a first pin 5 rotatably fitted in the first pin hole 313 and the first ear hole 215. The connection portion 31 has a second pin hole 314, the second lug 224 has a second ear hole 225, and the connection portion 31 is pivotally connected to the second lug 224 by a second pin shaft 6 rotatably fitted in the second pin hole 314 and the second ear hole 225.

The first pin 5 and the first ear hole 215 may be in interference fit, i.e. tight fit, and the second pin 6 and the second ear hole 225 may be in interference fit, so that sundries such as silt are prevented from entering between the first arm 21 and the pedal support 3 and between the second arm 22 and the pedal support 3, wear of the first arm 21, the second arm 22 and the pedal support 3 is reduced, and stability of the operation of the telescopic device 100 is improved. In other words, the first pin 5 does not rotate relative to the first lug 214 and rotates relative to the first pin hole 313.

Specifically, the two first lugs 214 each have a first ear hole 215, the first ear holes 215 penetrate the first lugs 214, and the first pin holes 313 penetrate the connecting portion 31. The first pin 5 may pass through one first ear hole 215, the first pin hole 313, and the other first ear hole 215 in order to achieve the pivotable connection of the connection portion 31 and the first ear 215. Likewise, the two second lugs 224 each have a second ear hole 225, and the second pin shaft 6 may sequentially pass through one second ear hole 225, the second pin hole 314, and the other second ear hole 225 to pivotally connect the connecting portion 31 and the second lug 225. Advantageously, the two ends of the first pin 5 are tightly fitted in the first ear hole 215 and the two ends of the second pin 6 are tightly fitted in the second ear hole 225.

In some particular embodiments, the telescopic device 100 further comprises a first bushing 7 and a second bushing 8, the first bushing 7 being a tight fit within the first pin hole 313, the first pin 5 being rotatably fitted within the first bushing 7. The second bushing 8 is tightly fitted in the second pin hole 314, and the second pin shaft 6 is rotatably fitted in the second bushing 8. In other words, the first bushing 7 does not rotate relative to the first pin hole 313, the first pin 5 does not rotate relative to the first lug 214, the second bushing 8 does not rotate relative to the second pin hole 314, and the second pin 6 does not rotate relative to the second lug 224.

In some embodiments, by arranging the first bushing 7 and the second bushing 8, sediment and the like can be prevented from entering the first ear hole 215 and the first pin hole 313 and the second ear hole 225 and the second pin hole 314, friction between the first pin 5 and the connecting portion 31 and friction between the second pin 6 and the connecting portion 31 are reduced, running stability of the telescopic device is improved, abrasion of the connecting portion 31 can be reduced, replacement can be facilitated after the first bushing 7 and the first pin 5 and the second bushing 8 and the second pin 6 are abraded, and cost is low.

Further, the number of the first bushings 7 may be two, wherein one of the first bushings 7 is tightly fitted at the first end of the first pin hole 313, and the other first bushing 7 is tightly fitted at the second end of the first pin hole 313. The number of second bushings 8 may be two, wherein one second bushing 8 is a tight fit at a first end of the second pin bore 314 and the other second bushing 8 is a tight fit at a second end of the second pin bore 314.

Further, each of the first bushings 7 includes a first cylinder 71 and a first flange 72 provided at one end of the first cylinder 71, wherein the first cylinder 71 of one of the first bushings 7 is fitted at a first end of the first pin hole 313, the first flange 72 of the one first bushing 7 is abutted against the first side of the connecting portion 31, the first cylinder 71 of the other first bushing 7 is fitted at a second end of the first pin hole 313, and the first flange 72 of the other first bushing 7 is abutted against the second side of the connecting portion 31. By placing the first bushing 7 between the first lug 214 and the connecting portion 31 and against the connecting portion 31, it is thereby possible to further prevent the entry of silt.

Each second bush 8 includes a second cylinder 81 and a second flange 82 provided at one end of the second cylinder 81, wherein the second cylinder 81 of one second bush 8 is fitted at a first end of the second pin hole 314, the second flange 82 of the one second bush 8 is abutted against the first side face of the connecting portion 31, the second cylinder 81 of the other second bush 8 is fitted at a second end of the second pin hole 314, and the second flange 82 of the other second bush 8 is abutted against the second side face of the connecting portion 31. By placing the second bushing 8 between the second lug 224 and the connecting portion 31 and against the connecting portion 31, it is thereby possible to further prevent the entry of silt.

In some embodiments, as shown in fig. 2-4, 10-12, and 14-16, the telescopic device 100 further includes a bumper 4, also referred to as a bumper 4, the bumper 4 being provided on one of the first arm 21 and the second arm 22, wherein in the retracted position the bumper 4 is in contact with the other of the first arm 21 and the second arm 22. The buffer member 4 may be made of rubber, etc., and by providing the buffer member 4 on the first arm 21 or the second arm 22, the first arm 21 and the second arm 22 can be prevented from being in direct contact when the arm assembly 2 moves to the retracted state, and collision and friction are generated, so that abrasion of the first arm 21 and the second arm 22 is reduced, and running stability of the telescopic device is improved.

In other words, the damper 4 is provided on at least one of the first and second connection portions, and the damper 4 abuts between the first and second connection portions when the pedal seat 3 is in the retracted position.

In the embodiment shown in fig. 5 and 6, two first hinge portions are provided with shock-absorbing blocks, two second hinge portions are provided, two second hinge portions are opposite to the two first hinge portions, and when the pedal seat 3 is in the retracted position, one shock-absorbing block 4 is abutted between one first hinge portion and the second hinge portion opposite to the first hinge portion, and the other shock-absorbing block 4 is abutted between the other first hinge portion and the second hinge portion opposite to the first hinge portion.

Specifically, the cushioning member 4 is provided in the mounting hole 227 on the second arm 22, and the outer end surface of the cushioning member 4 protrudes from the outer surface of the second arm 22.

In some alternative embodiments, as shown in fig. 1-4, the telescoping device 100 further comprises a mounting bracket 1, wherein the mounting bracket 1 is also referred to as a mounting bracket 1. The first end 211 of the first arm 21 is pivotally connected to the mounting bracket 1 and the first end 221 of the second arm 22 is pivotally connected to the mounting bracket 1. In other words, as shown in fig. 2, the upper end of the first arm 21 is directly pivotably connected to the mount 1, and the first end 221 of the second arm 22 is directly pivotably connected to the mount 1. It will be appreciated that the telescopic device 100 may be conveniently mounted to a vehicle by means of the mounting bracket 1. Alternatively, the telescopic device 100 may also be mounted to the vehicle by directly connecting the arm assembly 2 to the chassis of the vehicle.

In other words, as shown in fig. 1 and 5, one end of the first body of the first connection part is rotatably connected with the mount 1, two first hinge parts are provided at the other end of the first body, two first hinge parts are provided at both sides of the third hinge part 31, and the third hinge part 31 and the two first hinge parts are connected through the first connection shaft 5.

One end of the second main body of the second connecting part is rotatably connected with the mounting seat 1, two second hinge parts are arranged at the other end of the second main body, two second hinge parts are arranged at two sides of the third hinge part 31, and the third hinge part 31 and the two second hinge parts are connected through the second connecting shaft 6.

In some specific embodiments, the mounting bracket 1 has a bracket slot 101, the first end 211 of the first arm 21 fits within the bracket slot 101 and is pivotally connected to the mounting bracket 1, and the first end 221 of the second arm 22 fits within the bracket slot 101 and is pivotally connected to the mounting bracket 1.

Further, the mounting bracket 1 has a first hole 102, the first end 211 of the first arm 21 has a first arm hole 216, and the first end 211 of the first arm 21 is pivotally connected to the mounting bracket 1 by a third pin 9 fitted in the first hole 102 and the first arm hole 216. The mounting bracket 1 also has a second hole 103, the first end 221 of the second arm 22 has a second arm hole 226, and the first end 221 of the second arm 22 is pivotally connected to the mounting bracket 1 by a fourth pin 10 fitted in the second hole 103 and the second arm hole 226.

In some particular embodiments, the telescopic device 100 further comprises a third bushing 11 and a fourth bushing 12, the third bushing 11 being a tight fit within the first hole 102, the third pin 9 being rotatably fitted within the third bushing 11. The fourth bushing 12 is tightly fitted in the second hole 103, and the fourth pin 10 is rotatably fitted in the fourth bushing 12. In some embodiments, by providing the third bush 11 and the fourth bush 12, sediment entering can be reduced, abrasion to the mounting support 1 is reduced, and after the third bush 11 and the fourth bush 12 are worn, replacement is convenient, and cost is low.

Further, as shown in fig. 2, the number of the third bushings 11 is two, wherein one third bushing 11 is tightly fitted at the first end of the first hole 102, and the other third bushing 11 is tightly fitted at the second end of the first hole 102. The number of the fourth bushings 12 is two, wherein one fourth bushing 12 is tightly fitted at the first end of the second hole 103 and the other fourth bushing 12 is tightly fitted at the second end of the second hole 103.

In other alternative embodiments, as shown in fig. 9-12, the telescopic device 100 further comprises a mounting bracket 1, the arm assembly 2 further comprises a third arm 23, a first end 231 of the third arm 23 is pivotally connected to the mounting bracket 1, a second end 232 of the third arm 23 is pivotally connected to a first end 221 of the second arm 22, and a first end 211 of the first arm 21 is pivotally connected to the mounting bracket 1.

In other words, as shown in fig. 10, the upper end of the third arm 23 is pivotally connected to the mount 1, the lower end of the third arm 23 is pivotally connected to the upper end of the second arm 22, the lower end of the second arm 22 straddles the intermediate portion 312 of the connecting portion 31, the upper end of the first arm 21 is pivotally connected to the mount 1, and the lower end of the first arm 21 straddles the free end 311 of the connecting portion 31.

In some specific embodiments, the telescopic device 100 further comprises a track control board 15 and a track control shaft 13, the track control board 15 being mounted on the first arm 21 and having a track control slot 151. The trajectory control shaft 13 is mounted on at least one of the second arm 22 and the third arm 23, and one end of the trajectory control shaft 13 is movably fitted in the trajectory control groove 151.

As shown in fig. 10, the track control plates 15 have two track control plates 15 each extending in the extending direction of the first arm 21, facing each other and spaced apart, one track control plate 15 being provided on the first side of the first arm 21, and the other track control plate 15 being provided on the second side of the first arm 21.

The trajectory control groove 151 penetrates the trajectory control plate 15 and extends in the extending direction of the first arm 21, and the trajectory control groove 151 on one trajectory control plate 15 and the trajectory control groove 151 on the other trajectory control plate 15 are opposite to each other. One end of the track control shaft 13 may extend through one track control slot 151 into the other track control slot 151.

In some particular embodiments, one of the second end 232 of the third arm 23 and the first end 221 of the second arm 22 has a third engagement slot 233, and the other of the second end 232 of the third arm 23 and the first end 221 of the second arm 22 fits within the third engagement slot 233.

Further, as shown in fig. 10, the second end 232 of the third arm 23 has two third lugs 234, a third engagement groove 233 is formed between the two third lugs 234, and the first end 221 of the second arm 22 has a projection 228, and the projection 228 fits within the third engagement groove 233.

Still further, the third lug 234 has a third ear hole 235, the nose 228 has a second arm hole 226, and the second arm 22 is pivotally connected to the third arm 23 by a fifth pin 13 that fits within the second arm hole 226 and the third ear hole 235. In particular, as shown in fig. 9-10, a third ear hole 235 extends through the third lug 234, a second arm hole 226 extends through the nose 228, and the fifth pin 13 extends through one third ear hole 235, the second arm hole 226, and the other third ear hole 235 in order to pivotally connect the third arm 23 and the second arm 22.

The fifth pin 13 and the trajectory control shaft 13 may be the same shaft, one end of which sequentially extends into two trajectory control grooves 151 spaced apart from each other, and the other end of which penetrates the third ear hole 235 and the second arm hole 226 to pivotally connect the third arm 23 and the second arm 22.

As shown in fig. 10, the telescopic device 100 further includes a fifth bushing 14, the fifth bushing 14 is tightly fitted in the second arm hole 226, and the fifth pin 13 is rotatably fitted in the fifth bushing 14.

In some specific embodiments, as shown in fig. 10, the mounting bracket 1 has a bracket slot 101, the first end 211 of the first arm 21 fits within the bracket slot 101 and is pivotally connected to the mounting bracket 1, and the first end 231 of the third arm 23 fits within the bracket slot 101 and is pivotally connected to the mounting bracket 1.

Further, the mounting bracket 1 has a first hole 102, the first end 211 of the first arm 21 has a first arm hole 216, and the first end 211 of the first arm 21 is pivotally connected to the mounting bracket 1 by a third pin 9 fitted in the first hole 102 and the first arm hole 216. The mounting bracket 1 also has a second aperture 103, the first end 231 of the third arm 23 has a third arm aperture 236, and the first end 231 of the third arm 23 is pivotally connected to the mounting bracket 1 by a fourth pin 10 that fits within the second aperture 103 and the third arm aperture 236.

In some particular embodiments, the telescopic device 100 further comprises a third bushing 11 and a fourth bushing 12, the third bushing 11 being a tight fit within the first hole 102, the third pin 9 being rotatably fitted within the third bushing 11. The fourth bushing 12 is tightly fitted in the second hole 103, and the fourth pin 10 is rotatably fitted in the fourth bushing 12.

In some alternative embodiments, as shown in fig. 13-16, the telescopic device 100 further comprises a mounting bracket 1, the first end 221 of the second arm 22 is pivotally connected to the mounting bracket 1, the arm assembly 2 further comprises a third arm 23 and a fourth arm 24, the first end 231 of the third arm 23 is pivotally connected to the mounting bracket 1, the second end 232 of the third arm 23 is pivotally connected to the first end 211 of the first arm 21, the first end 241 of the fourth arm 24 is pivotally connected to the first end 211 of the first arm 21 and the second end 232 of the third arm 23, and the second end 242 of the fourth arm 24 is pivotally connected to the second arm 22.

In other words, as shown in fig. 14, the upper end of the third arm 23 is pivotally connected to the mount 1, the lower end of the third arm 23 is pivotally connected to the upper end of the first arm 21, the lower end of the first arm 21 straddles the intermediate portion 312 of the connecting portion 31, the upper end of the second arm 22 is pivotally connected to the mount 1, the lower end of the second arm 22 straddles the free end 311 of the connecting portion 31, the upper end of the fourth arm 24 is pivotally connected to the upper end of the first arm 21 and the lower end of the third arm 23, and the lower end of the fourth arm 24 is pivotally connected to the second arm 22.

In some embodiments, a slot 229 is provided in a central portion of the second arm 22 and the second end 242 of the fourth arm 24 fits within the slot 229. Specifically, as shown in fig. 14, the slot 229 extends along the length of the second arm 22, and the slot 229 is located at a substantially middle portion of the second arm 22, and the second end 242 of the fourth arm 24 extends into the slot 229 and is pivotally connected to the second arm 22.

Further, as shown in fig. 14 and 16, the second arm 22 has a third aperture 220 and the second end 242 of the fourth arm 24 has a fourth lower arm aperture 244, the second end 242 of the fourth arm 24 being pivotally connected to the second arm 22 by a sixth pin 16 that fits within the fourth lower arm aperture 244 and the third aperture 220.

Still further, the telescopic device 100 further includes a sixth bushing 17, the sixth bushing 17 being tightly fitted in the fourth lower arm hole 224, and the sixth pin 16 being rotatably fitted in the sixth bushing 17.

In some particular embodiments, the first end 211 of the first arm 21 has two ears 217 spaced apart from one another, the second end 232 of the third arm 23 has two third ears 234 spaced apart from one another, the ears 217 fit between the two third ears 234, and the first end 241 of the fourth arm 24 fits between the two ears 217.

In other words, as shown in fig. 14, the first arm 21 has two lugs 217 at an upper end thereof, the two lugs 217 are opposite to and spaced apart from each other, the third arm 23 has two third lugs 234 at a lower end thereof, the two third lugs 234 are opposite to and spaced apart from each other, a third engagement groove 233 is formed between the two third lugs 234, the two lugs 217 protrude into the third engagement groove 233, and the upper end of the fourth arm 24 protrudes between the two lugs 217. It will be appreciated that in the embodiment shown in fig. 14, the distance between the two ear plates 217 is less than the distance between the two third lugs 234, the two ear plates 217 are fitted between the two third lugs 234, and the upper ends of the fourth arms 24 are fitted between the two ear plates 217.

Further, the ear plate 217 has a first arm hole 216, the third lug 234 has a third ear hole 235, the upper end of the fourth arm 24 has a fourth upper arm hole 243, and the fourth arm 24 is pivotally connected to the first and third arms 21 and 23 by a fifth pin 13 fitted in the first arm hole 216, the third ear hole 235, and the fourth upper arm hole 243.

Still further, the telescopic device 100 further includes a fifth bushing 14 and a seventh bushing 18, the fifth bushing 14 is tightly fitted in the third ear hole 235, the seventh bushing 18 is tightly fitted in the fourth upper arm hole 243, and the fifth pin 13 is rotatably fitted in the fifth bushing 14 and the seventh bushing 18.

It will be appreciated that the manner of connection of the first arm 21, the third arm 23, and the fourth arm 24 is not limited, for example, in other specific embodiments, the first end 211 of the first arm 21 has two ears 217 spaced apart from one another, the second end 232 of the third arm 23 has two third ears 234 spaced apart from one another, the two third ears 234 are engaged between the two ears 217, and the first end 241 of the fourth arm 24 is engaged between the two third ears 234.

It will be appreciated that the connection of the first arm 21, the third arm 23 and the fourth arm 24 may be arranged such that, in addition to the manner shown in fig. 14, the distance between the two lugs 217 is greater than the distance between the two third lugs 234, the two lugs 234 are fitted between the two lugs 217, and the upper end of the fourth arm 24 is fitted between the two lugs 234.

In some specific embodiments, as shown in fig. 14, the mounting bracket 1 has a bracket slot 101, the first end 221 of the second arm 22 fits within the bracket slot 101 and is pivotally connected to the mounting bracket 1, and the first end 231 of the third arm 23 fits within the bracket slot 101 and is pivotally connected to the mounting bracket 1.

Further, the mounting bracket 1 has a first hole 102, the first end 231 of the third arm 23 has a third arm hole 216, and the first end 231 of the third arm 23 is pivotally connected to the mounting bracket 1 by a third pin 9 fitted in the first hole 102 and the third arm hole 236. The mounting bracket 1 also has a second hole 103, the first end 221 of the second arm 22 has a second arm hole 226, and the first end 221 of the second arm 22 is pivotally connected to the mounting bracket 1 by a fourth pin 10 fitted in the second hole 103 and the second arm hole 226.

Further, as shown in fig. 14, the number of the third bushings 11 is two, wherein one third bushing 11 is tightly fitted at the first end of the first hole 102, and the other third bushing 11 is tightly fitted at the second end of the first hole 102. The number of the fourth bushings 12 is two, wherein one fourth bushing 12 is fitted at the first end of the second hole 103, and the other fourth bushing 12 is fitted at the second end of the second hole 103.

In yet other alternative embodiments, the first end 211 of the first arm 21 is pivotally connected to the underbody (chassis) of the vehicle and the first end 221 of the second arm 22 is pivotally connected to the underbody. In some embodiments, the telescopic device 2 does not comprise a mounting bracket 1, and the arm assembly 2 is directly pivotally connected to the underside of the vehicle body. For example, as shown in the embodiment of fig. 5-8, the first end 211 of the first arm 21 is directly pivotally connected to the underbody of the vehicle, and the first end 221 of the second arm 22 is directly pivotally connected to the underbody; corresponding to the embodiment shown in fig. 9-12, the first end 211 of the first arm 21 is directly pivotally connected to the underside of the vehicle, and the first end 231 of the third arm 23 is directly pivotally connected to the underside of the vehicle; corresponding to the embodiment shown in fig. 13-16, the first end 231 of the third arm 23 is directly pivotally connected to the underbody of the vehicle, and the first end 221 of the second arm 22 is directly pivotally connected to the underbody of the vehicle.

A telescopic device of a pedal apparatus for a vehicle according to an embodiment of the present invention will be described with reference to fig. 5 to 8.

As shown in fig. 5 to 8, the telescopic device 100 includes a mount bracket (mount) 1, an arm assembly 2, a pedal bracket (pedal mount) 3, two cushioning members (shock absorbing blocks) 4, a first pin (first connecting shaft) 5, a second pin (second connecting shaft) 6, two first shaft sleeves 7, two second shaft sleeves 8, a third pin shaft 9, a fourth pin shaft 10, two third shaft sleeves 11, and two fourth shaft sleeves 12.

The mounting bracket 1 has a bracket groove 101, a first hole 102 and a second hole 102, one third sleeve 11 is tightly fitted at a first end of the first hole 102, the other third sleeve 11 is tightly fitted at a second end of the first hole 102, and the third pin 9 is rotatably fitted in the third bush 11. One fourth bushing 12 is tightly fitted in a first end of the second hole 103, the other fourth bushing 12 is tightly fitted in a second end of the second hole 103, and the fourth pin 10 is rotatably fitted in the fourth bushing 12.

The pedal support 3 includes a third body and a connecting portion (third hinge portion) 31, the connecting portion (third hinge portion) 31 being provided on the third body, specifically, the third body having a wedge-shaped inclined surface, the connecting portion (third hinge portion) 31 being provided on the wedge-shaped inclined surface, a free end 311 of the connecting portion (third hinge portion) 31 having a first pin hole 313, a middle portion 312 of the connecting portion 31 (third hinge portion) having a second pin hole 314.

One first sleeve 7 is tightly fitted at a first end of the first pin hole 313, the other first bushing 7 is tightly fitted at a second end of the first pin hole 313, and the first pin 5 is rotatably fitted in the first sleeve 7, wherein the first pin 5 is also referred to as a first connection shaft 5. The first sleeve 7 includes a first cylinder 71 and a first flange 72 provided at one end of the first cylinder 71, wherein the first cylinder 71 of one first bushing 7 is fitted at a first end of the first pin hole 313, the first flange 72 of the one first bushing 7 is abutted against a first side surface of the connection portion 31, the first cylinder 71 of the other first bushing 7 is fitted at a second end of the first pin hole 313, and the first flange 72 of the other first bushing 7 is abutted against a second side surface of the connection portion 31.

One second bushing 8 is a tight fit over a first end of the second pin bore 314 and the other second bushing 8 is a tight fit over a second end of the second pin bore 314. The second pin 6 is rotatably fitted in the second sleeve 8, wherein the second pin 6 is also referred to as second connecting shaft 6. The second bush 8 includes a second cylinder 81 and a second flange 82 provided at one end of the second cylinder 81, wherein the second cylinder 81 of one second bush 8 is fitted at a first end of the second pin hole 314, the second flange 82 of the one second bush 8 is abutted against the first side face of the connecting portion 31, the second cylinder 81 of the other second bush 8 is fitted at a second end of the second pin hole 314, and the second flange 82 of the other second bush 8 is abutted against the second side face of the connecting portion 31. Wherein both the first bushing 7 and the second bushing 8 are also called sleeves.

The arm assembly 2 includes a first arm 21 and a second arm 22, the first end 211 of the first arm 21 having a first arm hole 216, the first end 211 of the first arm 21 being fitted in the mount groove 101, and the third pin 9 being fitted in the first arm hole 216 and the first hole 102 to pivotally connect the first end 211 of the first arm 21 and the mount 1. Wherein in this embodiment the first arm 21 constitutes a second connection and is a second link, the second arm 22 constitutes a first connection and is a first link, one end of the first link is rotatably connected to the mount 1, the other end of the first link is rotatably connected to the pedal mount 3, one end of the second link is rotatably connected to the mount 1, and the other end of the second link is rotatably connected to the pedal mount 3.

The second end 212 of the first arm 21 has two first lugs 214 spaced apart from each other, the first lugs 214 also being referred to as second hinge portions 214, i.e. the second connection portion comprises a second body and two second hinge portions 214 spaced apart from each other connected to the second body. A first engagement groove 213 is formed between the two first lugs 214, and the two first lugs 214 are respectively located at two sides of the free end 311 of the connecting portion 31, so that the second end 212 of the first arm 21 straddles the free end 311 of the connecting portion 31 through the first lugs 214 and the first engagement groove 213, and the two first lugs 214 are provided with first lugs 215. The first pin 5 fits within the first pin hole 313 and the first ear hole 215 to pivotally connect the second end 212 of the first arm 21 with the free end 313 of the connecting portion 31, with the first pin 5 being an interference fit with the first ear hole 215.

The first end 221 of the second arm 22 has a second arm hole 226, the first end 221 of the second arm 22 is fitted in the holder groove 101, and the fourth pin 10 is fitted in the second arm hole 226 and the second hole 103 to pivotally connect the first end 221 of the second arm 22 and the mount holder 1.

The second end 222 of the second arm 22 has two second lugs 224 spaced apart from each other, the second lugs 224 also being referred to as first hinge portions 224, i.e. the first connection portion comprises a first body and two first hinge portions 224 spaced apart from each other connected to the first body. A second engagement groove 223 is formed between the two second lugs 224, the two second lugs 224 are respectively located at two sides of the middle portion 312 of the connecting portion 31, so that the second ends 222 of the second arms 22 are straddled on the middle portion 312 of the connecting portion 31 through the second lugs 224 and the second engagement groove 223, and the two second lugs 224 are respectively provided with a second lug hole 225. The second pin 6 fits within the second pin hole 314 and the second ear hole 225 to pivotally connect the second end 222 of the second arm 22 with the intermediate portion 312 of the connecting portion 31, and the second pin 6 is an interference fit with the second ear hole 225.

The surface of each second lug 224 adjacent to the first arm 21 is provided with a mounting hole 227, two cushioning members 4 are respectively provided in the two mounting holes 227, and the outer end surfaces of the cushioning members 4 protrude from the surface of the second lug 224 adjacent to the first arm 21.

In other words, as shown in fig. 5 to 8, the driving assembly (i.e., the telescopic device) for the vehicle pedal according to the embodiment of the present invention includes: mount pad 1, footboard seat 3, first connecting portion and second connecting portion.

The pedal seat 3 is movable between an extended position and a retracted position.

The pedal seat 3 includes a third body and a third hinge portion 31, the third hinge portion 31 being provided on the third body, specifically, the third body having a wedge-shaped slope on which the third hinge portion 31 is provided, a free end 311 of the third hinge portion 31 having a first pin hole 313, and a middle portion 312 of the third hinge portion having a second pin hole 314.

The first arm 21 constitutes a second connection portion and is a second link including a second main body having one end rotatably connected to the mount 1, two second hinge portions 214 connected to the other end of the second main body and spaced apart from each other, and a third hinge portion 31 rotatably connected between the two second hinge portions 214. In other words, two second hinge parts 214 are provided at both sides of the third hinge part 31, and the third hinge part 31 and the two second hinge parts 214 are rotatably connected by the second connecting shaft 6.

The third hinge portion 31 is wrapped between the two second hinge portions 214, so that mixing of silt and the like can be avoided, abrasion, abnormal sound and the like of the hinge portions caused by the silt are avoided, and the service life of the driving assembly 100 is prolonged.

The second arm 22 constitutes a first connection portion and is a first link including a first main body having one end rotatably connected to the mount 1 and two first hinge portions 224 connected to the other end of the first main body and spaced apart from each other, and the two second hinge portions 214 are disposed opposite to the two first hinge portions 224. The third hinge part 31 is rotatably connected between the two first hinge parts 224. In other words, two first hinge parts 224 are provided at both sides of the third hinge part 31, and the third hinge part 31 and the two first hinge parts 224 are connected by the first connecting shaft 5.

The third hinge portion 31 is wrapped between the two first hinge portions 224, so that mixing of silt and the like can be avoided, abrasion, abnormal sound and the like of the hinge portions caused by the silt are avoided, and the service life of the driving assembly 100 is prolonged.

The two first hinge parts 224 are each provided with a damper 4 on a surface adjacent to the second hinge part 214, and one damper 4 is provided on one first hinge part 224. When the pedal seat 3 is in the retracted position, one shock-absorbing block 4 abuts between a first hinge portion 224 provided with the shock-absorbing block 4 and a second hinge portion 214 corresponding to the first hinge portion 224. The other damper block 4 is abutted between a first hinge portion 224 provided with the damper block 4 and a second hinge portion 214 corresponding to the first hinge portion 224.

The damping block 4 plays a role in buffering, so that the first connecting rod and the second connecting rod are prevented from directly colliding, vibration, damage and the like caused by collision are avoided, the driving assembly 100 runs stably, and the service life of the driving assembly 100 is prolonged.

A sleeve is arranged between the first connecting shaft 5 and the first hinge part 224, and the sleeve is in interference fit with the first connecting shaft 5 and the first hinge part 2 respectively. The second connecting shaft 6 and the second hinge 214 are provided with a sleeve therebetween, the sleeve plays a role in protecting the connecting shaft and the hinge, in addition, the interference fit can prevent sediment from being blocked in from the outside through the gap between the sleeve and the hinge and the connecting shaft, abrasion is reduced, and the service life of the driving assembly 100 can be prolonged.

According to the driving assembly 100 for a vehicle pedal of the embodiment of the present invention, the driving assembly 100 forms a link mechanism, the third hinge portion 31 is sandwiched between the plurality of first hinge portions 224 and the plurality of second hinge portions 214, and the driving assembly 100 has the advantages of simple structure, high strength, low cost and long service life.

A telescopic device of a pedal apparatus for a vehicle according to another embodiment of the present invention will be described with reference to fig. 9 to 12.

As shown in fig. 9 to 12, the telescopic device 100 according to the embodiment of the present invention includes a mount bracket (mount base) 1, an arm assembly 2, a pedal bracket (pedal base) 3, two cushioning members (shock absorbing blocks) 4, a first pin (first connecting shaft) 5, a second pin (second connecting shaft) 6, two first shaft sleeves 7, two second shaft sleeves 8, a third pin 9, a fourth pin 10, two third shaft sleeves 11 and two fourth shaft sleeves 12, a fifth pin (track control shaft) 13, a fifth bushing 14, and two track control plates 15.

The arm assembly 2 includes a first arm 21, a second arm 22 and a third arm 23, wherein the first side and the second side of the first arm 21 are respectively provided with a track control board 15, the two track control boards 15 are opposite to each other and are spaced apart, the track control board 15 is provided with a track control groove 151 penetrating the track control board 15, the track control groove 151 extends along the length direction of the first arm 21, and the two track control grooves 151 are opposite to each other. Wherein in this embodiment the first arm 21 constitutes a second connection, the second arm 22 and the third arm 23 constitute a first connection, the second arm 22 is also referred to as a fourth link, the third arm 23 is also referred to as a third link, one end of the third link is rotatably connected to the mount 1, the other end of the third link is rotatably connected to one end of the fourth link, and the other end of the fourth link is rotatably connected to the pedal mount 3.

The first end 231 of the third arm 23 has a third arm hole 236, the first end 231 of the third arm 23 is fitted in the mount groove 101, and the fourth pin 10 is fitted in the third arm hole 236 and the second hole 103 to pivotally connect the first end 231 of the third arm 23 and the mount 1.

The second end 232 of the third arm 23 has two third lugs 234 spaced apart from each other, the third lugs 234 also being referred to as fourth hinges 234, i.e. the third link comprises two fourth hinges 234 spaced apart from each other. A third engagement groove 233 is formed between the two third lugs 234, and each third lug 234 has a third ear hole 235 thereon.

The first end 221 of the second arm 22 has a nose 228, the nose 228 also being referred to as a fifth hinge. The nose 228 has a second arm aperture 226, the fifth bushing 14 fits within the second arm aperture 226, and one end of the fifth pin 13 fits within the fifth bushing 14 and the third ear aperture 235 to pivotally connect the second end 232 of the third arm 23 and the first end 221 of the second arm 22. The other end of the fifth pin 13 is fitted in the two trajectory control grooves 151 and is movable in the extending direction of the trajectory control grooves 151.

In other words, as shown in fig. 9 to 12, the driving assembly (i.e., the telescopic device) for the vehicle pedal according to the embodiment of the present invention includes the mount 1, the pedal mount 3, the first connection portion, and the second connection portion.

The pedal seat 3 is movable between an extended position and a retracted position. The pedal seat 3 includes a third body and a third hinge portion 31, the third hinge portion 31 being provided on the third body, specifically, the third body having a wedge-shaped slope on which the third hinge portion 31 is provided, a free end 311 of the third hinge portion 31 having a first pin hole 313, and a middle portion 312 of the third hinge portion having a second pin hole 314.

The first arm 21 constitutes a second connecting portion, the second arm 22 and the third arm 23 constitute a first connecting portion, the second arm 22 is also referred to as a fourth link, the third arm 23 is also referred to as a third link, one end of the third link is rotatably connected to the mount 1, the other end of the third link includes two fourth hinge portions 234 spaced apart from each other, one end of the fourth link includes a fifth hinge portion 228, the fifth hinge portion 228 is provided between the two fourth hinge portions 234, and the fifth hinge portion 228 is rotatably connected to the two fourth hinge portions 234 through the third connecting shaft 13. The other end of the fourth link includes two first hinge parts 224 spaced apart from each other, a third hinge part 31 is located between the two first hinge parts 224, and the third hinge part 31 is rotatably connected to the two first hinge parts 224.

The second connection part includes a second body and two second hinge parts 214 spaced apart from each other, one end of the second body is rotatably connected with the mounting base 1, the other end of the second body is connected with the second hinge parts 214, the third hinge part 31 is located between the two second hinge parts 214, and the third hinge part 31 is rotatably connected with the two second hinge parts 214.

Two fourth hinge parts 234 are extended from both ends of the third connecting shaft 13 to form or connect the supporting parts. The third connecting shaft 13 extends out of two ends of the fourth hinge part 234, so that the part of the third connecting shaft 13 extending out of two ends of the fourth hinge part 234 can be used as a sliding block, the sliding block is matched with a sliding groove on the second connecting part, and the sliding block moves along the sliding groove. The surfaces of the two first hinge parts 224 of the fourth link adjacent to the first arm have a damper 4, and one damper 4 is provided on one first hinge part 224. When the pedal seat 3 is in the retracted position, one shock-absorbing block 4 abuts between a first hinge portion 224 provided with the shock-absorbing block 4 and a second hinge portion 214 corresponding to the first hinge portion 224. The other damper block 4 is abutted between a first hinge portion 224 provided with the damper block 4 and a second hinge portion 214 corresponding to the first hinge portion 224.

The damper 4 plays a role in buffering, avoids direct collision between the fourth connecting rod and the first arm 21, avoids vibration, damage and the like caused by collision, ensures stable operation of the driving assembly 100, and prolongs the service life of the driving assembly 100.

A telescopic device of a pedal apparatus for a vehicle according to still another embodiment of the present invention will be described with reference to fig. 13 to 16.

As shown in fig. 13 to 16, the telescopic device 100 according to the embodiment of the present invention includes a mount bracket (mount base) 1, an arm assembly 2, a pedal bracket (pedal base) 3, two cushioning members (shock absorbing blocks) 4, a first pin (first connecting shaft) 5, a second pin (second connecting shaft) 6, two first shaft sleeves 7, two second shaft sleeves 8, a third pin 9, a fourth pin 10, two third shaft sleeves 11 and two fourth shaft sleeves 12, a fifth pin 13, two fifth bushings 14, a sixth pin 16, a sixth bushing 17 and an eighth bushing 18.

The arm assembly 2 includes a first arm 21, a second arm 22, a third arm 23 and a fourth arm 24, the first end 231 of the third arm 23 having a third arm aperture 236, the fourth pin 9 fitting within the third arm aperture 236 and the first aperture 102 to pivotally connect the first end 231 of the third arm 23 and the mounting bracket 1. Wherein in this embodiment the second arm 22 constitutes a second connection, the first arm 21 and the third arm 23 constitute a first connection, and the first arm 21 is also referred to as a fourth link, the third arm 23 is also referred to as a third link, one end of which is rotatably connected to the mount 1, the other end of which is rotatably connected to one end of the fourth link, and the other end of which is rotatably connected to the pedal mount 3.

The second end 232 of the third arm 23 has two third lugs 234 spaced apart from each other, the third lugs 234 also being referred to as fourth hinges 234, i.e. the third link comprises two fourth hinges 234 spaced apart from each other. Each third lug 234 has a third ear hole 235 thereon, and a third engagement groove 233 is formed between the two third lugs 234, and the first end 211 of the first arm 21 has two ear plates 217 spaced apart from each other, and each ear plate 217 has a first arm hole 216 thereon, with the two ear plates 217 being fitted into the third engagement grooves 233.

The first end 241 of the fourth arm 24 fits between the two ear plates 217, and the first end 241 of the fourth arm 24 has a fourth upper arm aperture 243, the fourth arm 24 also being referred to as a fifth link 24. The fifth pin 15 fits within the third ear hole 235 and the first arm hole 216 and the fourth upper arm hole 243 to pivotally connect the first end 241 of the fourth arm 24 with the first end 211 of the first arm 21 and the second end 232 of the third arm 23.

Each third ear hole 235 is fitted with a fifth bushing 14, the fifth bushing 14 also being called a sleeve, the fourth upper arm hole 243 is fitted with a seventh bushing 18, and the fifth pin 15 is rotatably fitted in the fifth bushing 4 and the seventh bushing 18.

The second arm 22 has a slot 229 at a substantially central portion thereof, the slot 229 extending through the wall thickness of the second arm 22 and along the length of the second arm 22, the second end 242 of the fourth arm 24 being fitted into the slot 229.

The second arm 22 also has two third holes 220 opposite each other, the third holes 220 communicating with the slot 229. The second end 242 of the fourth arm 24 has a fourth lower arm aperture 244, the fourth lower arm aperture 244 having the sixth bushing 17 fitted therein, the sixth pin 16 rotatably fitted within the sixth bushing 17, the sixth pin 16 fitted within the fourth lower arm aperture 244 and the third aperture 22 to pivotally connect the second end 242 of the fourth arm 24 and the second arm 22.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. A telescopic device of a pedal apparatus for a vehicle, comprising:

A pedal support having a connection portion; and

An arm assembly for driving the pedal support between an extended position and a retracted position, the arm assembly comprising a first arm having a first end and a second end, the second end of the first arm being pivotally connected to the connection of the pedal support, the second arm having a first end and a second end, the second end of the second arm being pivotally connected to the connection of the pedal support, the second end of the first arm and the second end of the second arm both straddling the connection;

The second end of the first arm is provided with two first lugs, a first joint groove is formed between the two first lugs, the two first lugs are respectively positioned at two sides of the connecting part, the first part of the connecting part is matched in the first joint groove and is pivotally connected with the two first lugs,

The second end of the second arm is provided with two second lugs, a second joint groove is formed between the two second lugs, the two second lugs are respectively positioned at two sides of the connecting part, and the second part of the connecting part is matched in the joint groove and is pivotally connected with the two second lugs.

2. The telescopic device of a pedal apparatus for a vehicle according to claim 1, wherein the second end of the first arm is pivotally connected to the free end of the connecting portion, and the second end of the second arm is pivotally connected to a middle portion of the connecting portion.

3. The telescopic device of a pedal apparatus for a vehicle according to claim 1, wherein the connecting portion has a first pin hole, the first lug has a first ear hole, and the connecting portion is pivotably connected to the first lug by a first pin shaft fitted in the first pin hole and the first ear hole;

the connecting part is provided with a second pin hole, the second lug is provided with a second ear hole, and the connecting part is pivotally connected with the second lug through a second pin shaft matched in the second pin hole and the second ear hole.

4.A telescopic device of a pedal apparatus for a vehicle according to claim 3, further comprising:

A first bushing fitted within the first pin bore, the first pin rotatably fitted within the first bushing;

And the second bush is matched in the second pin hole, and the second pin shaft is rotatably matched in the second bush.

5. The telescopic device of a vehicle pedal apparatus according to claim 4, wherein the number of first bushings is two, one of the first bushings being fitted at a first end of the first pin bore and the other first bushing being fitted at a second end of the first pin bore;

The number of the second bushings is two, one second bushing is matched with the first end of the second pin hole, and the other second bushing is matched with the second end of the second pin hole.

6. The expansion device of a pedal apparatus for a vehicle according to claim 5, wherein each of the first bushings includes a first cylinder and a first flange provided at one end of the first cylinder, wherein the first cylinder of one of the first bushings is fitted to the first end of the first pin hole, the first flange of the one of the first bushings is abutted against the first side surface of the connecting portion, the first cylinder of the other of the first bushings is fitted to the second end of the first pin hole, the first flange of the other of the first bushings is abutted against the second side surface of the connecting portion,

Each second bushing comprises a second cylinder body and a second flange arranged at one end of the second cylinder body, wherein the second cylinder body of one second bushing is matched with the first end of the second pin hole, the second flange of the other second bushing is tightly attached to the first side face of the connecting part, the second cylinder body of the other second bushing is matched with the second end of the second pin hole, and the second flange of the other second bushing is tightly attached to the second side face of the connecting part.

7. The telescopic device of a vehicle pedal apparatus according to claim 1, further comprising a buffer provided on one of the first arm and the second arm, wherein in the retracted position, the buffer is in contact with the other of the first arm and the second arm.

8. The vehicle pedal apparatus telescoping device of any one of claims 1-7, further comprising a mounting bracket with which the first end of the first arm is pivotally connected and with which the first end of the second arm is pivotally connected.

9. The vehicle pedal apparatus telescoping device of any one of claims 1-7, further comprising a mounting bracket, the arm assembly further comprising a third arm, a first end of the third arm pivotally connected to the mounting bracket, a second end of the third arm pivotally connected to the first end of the second arm, and a first end of the first arm pivotally connected to the mounting bracket.

10. The telescopic device for a pedal apparatus for a vehicle according to claim 9, further comprising:

A track control board mounted on the first arm and having a track control slot;

and a track control shaft mounted on at least one of the second arm and the third arm, one end of the track control shaft being movably fitted in the track control groove.

11. The telescopic device of a vehicle pedal apparatus according to claim 10, wherein one of the second end of the third arm and the first end of the second arm has a third engagement groove, and the other of the second end of the third arm and the first end of the second arm is fitted in the third engagement groove.

12. The retractable device for a vehicle pedal apparatus according to any one of claims 1-7, further comprising a mounting bracket, wherein the first end of the second arm is pivotally connected to the mounting bracket, and wherein the arm assembly further comprises:

A third arm, a first end of the third arm being pivotally connected to the mounting bracket, a second end of the third arm being pivotally connected to the first end of the first arm;

a fourth arm, a first end of the fourth arm pivotally connected to the first end of the first arm and a second end of the third arm, the second end of the fourth arm pivotally connected to the second arm.

13. The telescopic device for a vehicle pedal apparatus according to claim 12, wherein a slot is provided in a middle portion of the second arm, and the second end of the fourth arm is fitted in the slot.

14. The vehicle pedal apparatus telescoping device of claim 13 wherein the first end of the first arm has two spaced apart lugs and the second end of the third arm has two spaced apart third lugs, the two lugs being engaged between the two third lugs and the first end of the fourth arm being engaged between the two lugs.

15. The vehicle pedal apparatus telescoping device of claim 13 wherein the first end of the first arm has two spaced apart lugs and the second end of the third arm has two spaced apart third lugs, the two third lugs being engaged between the two lugs and the first end of the fourth arm being engaged between the two third lugs.

16. The telescopic device for a vehicle pedal apparatus according to any one of claims 1 to 7, wherein the first end of the first arm is pivotally connected to a vehicle underbody, and the first end of the second arm is pivotally connected to the vehicle underbody.

17. A pedal apparatus for a vehicle, characterized by comprising:

a telescopic device according to any one of claims 1-16;

and the pedal plate is arranged on the pedal support.

18. The vehicle step apparatus of claim 17, wherein said step is one, said telescoping device has a plurality, a plurality of said telescoping devices are spaced apart along a length of said step, and one of said step is mounted on a plurality of step supports of a plurality of said telescoping devices.

19. A drive assembly for a vehicle pedal, comprising:

A mounting base;

A pedal mount movable between an extended position and a retracted position and including a third body and a third hinge connected to the third body;

A first connecting portion rotatably connected to the mounting seat and the pedal seat, respectively, the first connecting portion including a first main body and a plurality of first hinge portions connected to the first main body and spaced apart from each other, the third hinge portion being rotatably connected between adjacent first hinge portions; and

The second connecting part is respectively and rotatably connected with the mounting seat and the pedal seat, comprises a second main body and a plurality of second hinge parts which are connected with the second main body and are spaced apart from each other, and is rotatably connected between the adjacent second hinge parts;

One end of the first main body is rotatably connected with the mounting seat, two first hinge parts are arranged at the other end of the first main body, two first hinge parts are arranged at two sides of the third hinge part, and the third hinge part is connected with the two first hinge parts through a first connecting shaft;

One end of the second main body is rotatably connected with the mounting seat, two second hinge parts are arranged at the other end of the second main body, two second hinge parts are arranged at two sides of the third hinge part, and the third hinge part is connected with the two second hinge parts through a second connecting shaft.

20. The drive assembly for a vehicle pedal of claim 19, further comprising a damper block disposed on at least one of the first and second connection portions, the damper block abutting between the first and second connection portions when the pedal seat is in the retracted position.

21. The drive assembly for a vehicle pedal according to claim 20, wherein the number of the first hinge portions is two, the shock-absorbing blocks are provided on both of the first hinge portions, the number of the second hinge portions is two, the two second hinge portions are opposite to the two first hinge portions, and when the pedal seat is in the retracted position, the two shock-absorbing blocks are respectively abutted between the first hinge portions and the second hinge portions.

22. The drive assembly for a vehicle pedal according to claim 19, wherein the third body has a wedge-shaped inclined surface, and the third hinge is provided on the wedge-shaped inclined surface.

23. The drive assembly for a vehicle pedal according to any one of claims 19 to 22, wherein the first connecting portion is a first link having both ends connected to the mount and the pedal seat, respectively; the second connecting part is a second connecting rod with two ends respectively connected with the mounting seat and the pedal seat.

24. The drive assembly for a vehicle pedal according to any one of claims 19 to 22, wherein the first connecting portion includes:

The third connecting rod is rotatably connected with the mounting seat;

the two ends of the fourth connecting rod are respectively and rotatably connected with the third connecting rod and the pedal seat;

The support part is connected to the hinge joint of the third connecting rod and the fourth connecting rod, and the support part is connected with the second connecting part.

25. The drive assembly for a vehicle pedal according to claim 24, wherein the support portion is a slider, a slide groove is provided on the second connecting portion, and one end of the slider is slidably fitted in the slide groove.

26. The drive assembly for a vehicle pedal according to claim 24, wherein the support portion is a fifth link having one end rotatably connected to a hinge of the third link and the fourth link and the other end rotatably connected to the second connection portion.

27. The drive assembly for a vehicle pedal according to claim 24, wherein the third link includes two fourth hinge portions arranged at a distance from each other, the fourth link includes a fifth hinge portion, the two fourth hinge portions are provided on both sides of the fifth hinge portion, respectively, and the fifth hinge portion and the two fourth hinge portions are connected by a third connecting shaft.

28. The drive assembly for a vehicle pedal according to claim 27, wherein both ends of the third connecting shaft protrude from both the fourth hinge portions, respectively, to form or connect the support portions.

29. A pedal assembly for a vehicle, comprising:

A pedal;

a drive assembly for a pedal for a vehicle according to any one of claims 19 to 28, the pedal being mounted on the pedal seat, the drive assembly being connected to one of the pedal and the pedal seat;

the driving piece is connected with the first connecting part to drive the first connecting part to rotate relative to the mounting seat.

30. The pedal assembly for a vehicle of claim 29 wherein the drive assembly is coupled to the pedal, the drive assembly having a plurality of the drive assemblies spaced apart from one another along a length of the pedal.

31. The pedal assembly for a vehicle of claim 29 wherein the drive member has a plurality, each of the drive members being independently driven by one of the drive members.