CN210680567U

CN210680567U - Pedal equipment for vehicle and telescopic device thereof

Info

Publication number: CN210680567U
Application number: CN201920517260.4U
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 Industrial Co Ltd
Current assignee: T Max Hangzhou Industrial Co Ltd; T Max Hangzhou Technology Co Ltd
Priority date: 2018-07-20
Filing date: 2019-04-16
Publication date: 2020-06-05
Anticipated expiration: 2029-04-16
Also published as: CN110154906A; CN110154906B; CN212125000U

Abstract

The utility model discloses a pedal equipment for vehicle and telescoping device thereof, the telescoping device includes pedal support and arm subassembly, pedal support has connecting portion, the arm subassembly is used for the drive pedal support moves between extension position and withdrawal position, the arm subassembly includes first arm and second arm, first arm has first end and second end, the second end of first arm with pedal support's connecting portion pivot ground links to each other, the second arm has first end and second end, the second end of second arm with pedal support's connecting portion pivot ground links to each other, first arm with the second end straddle of at least one arm in the second arm on the connecting portion. The utility model discloses a telescoping device of automobile-used footboard equipment has improved the intensity and the life-span of footboard support, has improved the stationarity of telescoping device operation.

Description

Pedal equipment for vehicle and telescopic device thereof

Technical Field

The utility model relates to a vehicle technical field specifically, relates to a car footboard equipment and this car footboard equipment's telescoping device.

Background

Vehicle steps are typically provided on the chassis under the doors (e.g., side and/or tail doors) for people to get on and off the vehicle. The vehicle footrest is driven by a retractor device 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 used for mounting a pedal and an arm assembly used for driving the pedal support to move, and in the related technology, the telescopic device has the defects of low strength and easy damage of the pedal support, and sundries such as silt are easily introduced into 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 abrasion of the arm assembly and the pedal support is serious, and the service life is reduced.

Disclosure of Invention

The present invention was made by the discovery and study 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 rods parallel to each other and connected to both sides of the pedal support, and this type of arm assembly has problems of low strength, many parts, and complicated machining. In addition, the related art also proposes to provide a groove on the pedal support, and the end of the arm in the arm assembly is fitted in the groove to be connected with the pedal support, however, the present inventors found that, since the pedal is mounted on the pedal support, the pedal support is subjected to a large force when a person steps on the pedal to get on or off the vehicle, and the provision of the groove on the pedal support reduces the strength of the pedal support, thereby causing the pedal support to be easily damaged, and the telescopic device to have poor running stability.

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the utility model discloses an aspect provides a telescoping device of automobile-used footboard equipment, and this telescoping device intensity is high, and is longe-lived, and the stationarity improves.

The utility model discloses another aspect has still provided a automobile-used footboard equipment that has above-mentioned telescoping device.

According to the utility model discloses the telescoping device of automobile-used footboard equipment of the embodiment of the first aspect includes: a pedal support having a connecting portion; and an arm assembly for driving the pedal support to move between the extended position and the retracted position, the arm assembly including a first arm and a second arm, the 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 utility model discloses automobile-used pedal equipment's telescoping device, pedal support do not set up the recess, and first arm and/or second arm through making the arm subassembly straddle on pedal support's connecting portion, have improved pedal support's intensity and life-span, have improved the stationarity of telescoping device operation.

According to the utility model discloses automobile-used footboard equipment of the embodiment of second aspect includes: the telescopic device is the telescopic device of any one of the embodiments; a foot pedal mounted on the pedal support.

Drawings

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

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

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

Fig. 4 is a schematic perspective view of a vehicle pedal apparatus according to an embodiment of the present invention, wherein the pedal plate is mounted on the pedal supports of two telescoping devices, and the pedal plate is in a retracted position.

Fig. 5 is a schematic perspective 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 shown in fig. 5.

FIG. 7 is a side view of the telescoping device of FIG. 5 illustrating the position of the bumper.

Fig. 8 is a schematic view of the second arm and bumper of the telescopic device shown in 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 telescopic device shown in fig. 9.

FIG. 11 is a side view of the telescoping device of FIG. 9 with a cushioning member shown.

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

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

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

FIG. 15 is a side view of the telescoping device of FIG. 13 illustrating the position of the bumper.

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

Reference numerals:

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

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

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

the pedal comprises a buffer (damping block) 4, a first pin shaft (first connecting shaft) 5, a second pin shaft (second connecting shaft) 6, a first bushing 7, a second bushing 8, a third pin shaft 9, a fourth pin shaft 10, a third bushing 11, a fourth bushing 12, a fifth pin shaft (track control shaft, third connecting shaft) 13, a fifth bushing 14, a track control plate 15, a track control groove (sliding groove) 151, a sixth pin shaft 16, a sixth bushing 17, a seventh bushing 18 and a pedal (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 with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the present invention, it is to 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", and the like, indicate the orientation or positional relationship shown in the drawings, for convenience of description and simplicity of describing the relative positional relationship between the elements, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention unless otherwise specified.

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

As shown in fig. 1 to 4, a pedal apparatus for a vehicle according to an embodiment of the present invention includes a telescopic device 100 and a pedal plate 200, in an embodiment of the present invention, the pedal plate is also referred to as a pedal, and the telescopic device is also referred to as a driving assembly, i.e., a driving assembly for a pedal for a vehicle. The retractor 100 is coupled to the footrest 200 to drive the footrest 200 between an extended position and a retracted position, for example, fig. 1 and 3 show the retractor 100 extended to place the footrest 200 in the extended position, and fig. 2 and 4 show the retractor 100 retracted to place the footrest 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, a foot pedal 200 may be driven by one or more telescoping devices 100. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 3 and 4, two telescoping devices 100 drive one footboard 200, the two telescoping devices 100 being spaced apart from each other along the length of the footboard 200, wherein fig. 3 shows the two telescoping devices 100 being simultaneously extended to place the footboard 200 in the extended position, and fig. 4 shows the two telescoping devices 100 being simultaneously retracted to place the footboard 200 in the retracted position.

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

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

As shown in fig. 5 to 16, the telescopic device 100 of the embodiment of the present invention includes a pedal support 3 on which an arm assembly 2 and a pedal plate 200 are mounted. The pedal bracket 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 includes 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 connecting portion 31 of the pedal bracket 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 connecting portion 31 of the pedal bracket 3. A second end of at least one of the first arm 21 and the second arm 22 straddles the connecting portion 31 of the pedal bracket 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 connecting portion 31, and optionally, 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 connecting portion 31. In other words, one of the first arm 21 and the second arm 22 constitutes a first connecting portion, and the other of the first arm 21 and the second arm 22 constitutes a second connecting portion.

Here, it should be understood that the term "straddle" means that the second end of the first arm 21 and/or the second arm 22 rides on the connecting portion 31, similarly 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 on a first side of the connecting portion 31 and the other on a second side of the connecting portion 31, so as to sandwich a portion of the connecting portion 31 between the two legs.

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

According to the utility model discloses telescoping device, first arm 21 and/or second arm 22 through making arm subassembly 2 straddle on pedal support 3's connecting portion 31, need not to set up on pedal support 3 with first arm 21 and/or second arm 22 complex recess, improved the intensity of the big pedal support 3 of atress, improved the stationarity of telescoping device operation. Moreover, by having the first arm 21 and/or the second arm 22 straddle the connecting portion 31, the width of the first arm 21 and/or the second arm 22 can be designed wider than in a case where a groove that fits the first arm 21 and/or the second arm 22 is provided on the pedal bracket 3, thereby improving the strength and stability of the entire structure.

In some embodiments, the second end of at least one of the first and

second arms

21, 22 has two lugs spaced apart from each other, the two lugs being located on either side of the connecting portion 31, the connecting portion 31 being pivotally connected to the lugs, thereby enabling the second end of at least one of the first and

second arms

21, 22 to straddle the connecting portion 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, the two first lugs 214 form a first engagement slot 213 therebetween, and the first portion of the connecting portion 31 fits within the first engagement slot 213. In other words, the two first lugs 214 are respectively located at two sides of the connecting portion 31, 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, the two second lugs 224 form a second engagement groove 223 therebetween, and the second portion of the connecting portion 31 is fitted in the second engagement groove 223, i.e., the two second lugs 224 are located on 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 body and a plurality of first hinge portions connected to the first body and 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 connecting portion, the first lug 214 constitutes a second hinge portion, and the second hinge portions are two, the third hinge portion 31 of the pedal base 3 is rotatably connected between the two second hinge portions, and one end of the first main body is pivotably connected to the mounting base (also referred to as a mounting bracket in the description of the embodiment of the present invention) 1. The second arm 22 constitutes a first connecting 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 base 1, the first connecting portion 22, the second connecting portion 21 and the pedal base 3 are configured as a link mechanism.

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

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

First round pin axle 5 can interference fit, tight fit promptly with first ear hole 215, and second round pin axle 6 can interference fit with second ear hole 225, prevents that debris such as silt from getting into between first arm 21 and the footboard support 3 and between second arm 22 and the footboard support 3, has reduced the wearing and tearing of first arm 21, second arm 22 and footboard support 3, has improved the stationarity of telescoping device 100 operation. In other words, the first pin 5 does not rotate with respect to the first lug 214, but rotates with respect to the first pin hole 313.

Specifically, each of the two first lugs 214 has a first ear hole 215, the first ear hole 215 penetrates the first lug 214, and the first pin hole 313 penetrates 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 sequence to pivotally connect the connecting portion 31 and the first lug 215. Similarly, the two second lugs 224 each have a second ear hole 225, and the second pin 6 can 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 first pin 5 has its ends tightly fitted in the first ear hole 215 and the second pin 6 has its ends tightly fitted in the second ear hole 225.

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

In some embodiments, by providing the first bushing 7 and the second bushing 8, sand and sand 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, the first bushing 7 and the first pin 5, and the second bushing 8 and the second pin 6 can be conveniently replaced after being 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 a first end of the first pin hole 313, and the other one of the first bushings 7 is tightly fitted at a second end of the first pin hole 313. The number of the second bushings 8 may be two, wherein one second bushing 8 is tightly fitted to a first end of the second pin hole 314, and the other second bushing 8 is tightly fitted to a second end of the second pin hole 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 to a first end of the first pin hole 313, the first flange 72 of the one of the first bushings 7 is fitted to the first side surface of the connecting portion 31, the first cylinder 71 of the other one of the first bushings 7 is fitted to a second end of the first pin hole 313, and the first flange 72 of the other one of the first bushings 7 is fitted to the second side surface of the connecting portion 31. By thus placing first liner 7 between first lug 214 and connecting portion 31 and in close proximity to connecting portion 31, the ingress of silt can be further prevented.

Each of the second bushings 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 of the second bushings 8 is fitted to a first end of the second pin hole 314, the second flange 82 of the one of the second bushings 8 is fitted to a first side of the connecting portion 31, the second cylinder 81 of the other one of the second bushings 8 is fitted to a second end of the second pin hole 314, and the second flange 82 of the other one of the second bushings 8 is fitted to a second side of the connecting portion 31. By thus placing the second bush 8 between the second lug 224 and the connecting portion 31 and closely against the connecting portion 31, the entry of silt can be further prevented.

In some embodiments, as shown in fig. 2-4, 10-12, and 14-16, the telescopic device 100 further comprises a buffer 4, the buffer 4 also referred to as a buffer block 4, the buffer 4 being provided on one of the first and

second arms

21, 22, wherein in the retracted position the buffer 4 is in contact with the other of the first and

second arms

21, 22. The buffer 4 can be made of rubber and other materials, and by arranging the buffer 4 on the first arm 21 or the second arm 22, the first arm 21 and the second arm 22 can be prevented from directly contacting to generate collision and friction when the arm assembly 2 moves to the retraction state, so that the abrasion of the first arm 21 and the second arm 22 is reduced, and the running stability of the telescopic device is improved.

In other words, the damper block 4 is provided on at least one of the first connecting portion and the second connecting portion, and when the pedal seat 3 is located at the retracted position, the damper block 4 abuts between the first connecting portion and the second connecting portion.

In the embodiment shown in fig. 5 and 6, the number of the first hinge portions is two, the two first hinge portions are provided with the shock-absorbing blocks, 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 3 is located at 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 damper 4 is provided in the mounting hole 227 on the second arm 22, and the outer end face of the damper 4 projects from the outer surface of the second arm 22.

In some alternative embodiments, as shown in fig. 1-4, the telescopic device 100 further comprises a mounting bracket 1, wherein the mounting bracket 1 is also referred to as the 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 pivotally connected directly to the mount base 1, and the first end 221 of the second arm 22 is pivotally connected directly to the mount base 1. It will be appreciated that the telescopic device 100 can be conveniently mounted to a vehicle by mounting the stand 1. Alternatively, the telescopic device 100 may be mounted to the vehicle by connecting the arm assembly 2 directly 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 portion is rotatably connected to the mounting base 1, two first hinge portions are provided at the other end of the first body, two first hinge portions are provided at both sides of the third hinge portion 31, and the third hinge portion 31 and the two first hinge portions are connected by the first connection shaft 5.

One end of the second main body of the second connecting part is rotatably connected with the mounting base 1, two second hinging parts are arranged at the other end of the second main body, the two second hinging parts are arranged at two sides of the third hinging part 31, and the third hinging part 31 and the two second hinging parts are connected through a 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 mount 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 pivotably connected to the mount 1 by a third pin 9 fitted in the first hole 102 and the first arm hole 216. The mounting bracket 1 further 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 pivotably 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 specific embodiments, the telescopic device 100 further comprises a third bush 11 and a fourth bush 12, the third bush 11 being tightly fitted in the first hole 102, and the third pin 9 being rotatably fitted in the third bush 11. The fourth bush 12 is a close fit in the second hole 103 and the fourth pin 10 is rotatably fitted in the fourth bush 12. In some embodiments, by arranging the third liner 11 and the fourth liner 12, the inlet of silt can be reduced, the abrasion to the mounting support 1 is reduced, and the third liner 11 and the fourth liner 12 are convenient to replace after being abraded, so that the cost is low.

Further, as shown in fig. 2, there are two third bushings 11, 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 of the fourth bushings 12 is tightly fitted in the first end of the second hole 103, and the other fourth bushing 12 is tightly fitted in the second end of the second hole 103.

In further 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 the first end 221 of the second arm 22, and the 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 pivotably connected to the mount base 1, the lower end of the third arm 23 is pivotably connected to the upper end of the second arm 22, the lower end of the second arm 22 straddles the middle portion 312 of the connecting portion 31, the upper end of the first arm 21 is pivotably connected to the mount base 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 includes a trajectory control plate 15 and a trajectory control shaft 13, the trajectory control plate 15 being mounted on the first arm 21 and having a trajectory control groove 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 trajectory control plate 15 has two, two trajectory control plates 15 each extending in the extending direction of the first arm 21, facing and spaced apart from each other, one of the trajectory control plates 15 being provided on the first side surface of the first arm 21, and the other trajectory control plate 15 being provided on the second side surface 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 opposed to each other. One end of the trajectory control shaft 13 may extend into one trajectory control groove 151 through the other trajectory control groove 151.

In some specific 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 groove 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 groove 233.

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

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. Specifically, as shown in fig. 9-10, the third ear hole 235 extends through the third lug 234, the second arm hole 226 extends through the projection 228, and the fifth pin 13 extends through one of the third ear holes 235, the second arm hole 226, and the other third ear hole 235 in order to pivotally connect the third arm 23 to the second arm 22.

The fifth pin 13 and the trajectory control shaft 13 may be the same shaft, one end of which is inserted into two trajectory control grooves 151 spaced apart from each other in turn, and the other end of which is inserted through 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 comprises a fifth bush 14, the fifth bush 14 is tightly fitted in the second arm hole 226, and the fifth pin 13 is rotatably fitted in the fifth bush 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 mount 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 pivotably connected to the mount 1 by a third pin 9 fitted in the first hole 102 and the first arm hole 216. The mount 1 further has a second hole 103, the first end 231 of the third arm 23 has a third arm hole 236, and the first end 231 of the third arm 23 is pivotably connected to the mount 1 by a fourth pin 10 fitted in the second hole 103 and the third arm hole 236.

In some specific embodiments, the telescopic device 100 further comprises a third bush 11 and a fourth bush 12, the third bush 11 being tightly fitted in the first hole 102, and the third pin 9 being rotatably fitted in the third bush 11. The fourth bush 12 is a close fit in the second hole 103 and the fourth pin 10 is rotatably fitted in the fourth bush 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 pivotably connected to the mount base 1, the lower end of the third arm 23 is pivotably connected to the upper end of the first arm 21, the lower end of the first arm 21 straddles the middle portion 312 of the connecting portion 31, the upper end of the second arm 22 is pivotably connected to the mount base 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 pivotably 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 pivotably connected to the second arm 22.

In some embodiments, the second arm 22 has a slot 229 at a middle portion thereof, 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, 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, the second end 242 of the fourth arm 24 has a fourth lower arm aperture 244, and the second end 242 of the fourth arm 24 is 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.

Further, the telescopic device 100 further comprises a sixth bushing 17, the sixth bushing 17 is tightly fitted in the fourth lower arm hole 224, and the sixth pin 16 is rotatably fitted in the sixth bushing 17.

In some specific embodiments, the first end 211 of the first arm 21 has two spaced-apart ear plates 217, the second end 232 of the third arm 23 has two spaced-apart third lugs 234, the ear plates 217 fit between the two third lugs 234, and the first end 241 of the fourth arm 24 fits between the two ear plates 217.

In other words, as shown in fig. 14, the upper end of the first arm 21 has two ear plates 217, the two ear plates 217 are opposite to and spaced apart from each other, the lower end of the third arm 23 has two third lugs 234, 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 into between the two ear plates 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 fit between the two third lugs 234, and the upper end of the fourth arm 24 fits 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 arm 21 and the third arm 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 comprises a fifth bush 14 and a seventh bush 18, the fifth bush 14 is tightly fitted in the third ear hole 235, the seventh bush 18 is tightly fitted in the fourth upper arm hole 243, and the fifth pin 13 is rotatably fitted in the fifth bush 14 and the seventh bush 18.

It will be appreciated that the manner of connecting the first, third and

fourth arms

21, 23, 24 is not limited, for example, in other embodiments, the first end 211 of the first arm 21 has two ear plates 217 spaced apart from each other, the second end 232 of the third arm 23 has two third lugs 234 spaced apart from each other, the two third lugs 234 fit between the two ear plates 217, and the first end 241 of the fourth arm 24 fits between the two third lugs 234.

It will be appreciated that the connection of the first arm 21, the third arm 23 and the fourth arm 24 may be such that, in addition to the manner shown in fig. 14, the distance between the two ear plates 217 is greater than the distance between the two third lugs 234, the two third lugs 234 fitting between the two ear plates 217 and the upper end of the fourth arm 24 fitting between the two third 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 mount 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 pivotably connected to the mount 1 by a third pin 9 fitted in the first hole 102 and the third arm hole 236. The mounting bracket 1 further 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 pivotably 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, there are two third bushings 11, 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, one of the fourth bushings 12 is fitted at a first end of the second hole 103, and the other fourth bushing 12 is fitted at a second end of the second hole 103.

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

A telescopic device of a pedal apparatus for a vehicle according to one 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 mounting support (mounting base) 1, an arm assembly 2, a pedal support (pedal base) 3, two buffers (damper blocks) 4, a first pin (first connecting shaft) 5, a second pin (second connecting shaft) 6, two first bushings 7, two second bushings 8, a third pin 9, a fourth pin 10, two third bushings 11, and two fourth bushings 12.

The mounting bracket 1 has a bracket slot 101, a first hole 102 and a second hole 102, one third shaft sleeve 11 is tightly fitted at a first end of the first hole 102, the other third shaft sleeve 11 is tightly fitted at a second end of the first hole 102, and a third pin 9 is rotatably fitted in the third sleeve 11. One fourth shaft bushing 12 is tightly fitted at a first end of the second hole 103, the other fourth shaft bushing 12 is tightly fitted at a second end of the second hole 103, and the fourth pin shaft 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 is disposed on the third body, specifically, the third body has a wedge-shaped inclined surface, the connecting portion (third hinge portion) 31 is disposed on the wedge-shaped inclined surface, a free end 311 of the connecting portion (third hinge portion) 31 has a first pin hole 313, and a middle portion 312 of the connecting portion 31 (third hinge portion) has a second pin hole 314.

One first bushing 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 bushing 7, wherein the first pin 5 is also referred to as a first connecting shaft 5. The first bushing 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 to a first end of the first pin hole 313, the first flange 72 of the one of the first bushings 7 is fitted to a first side surface of the connecting portion 31, the first cylinder 71 of the other one of the first bushings 7 is fitted to a second end of the first pin hole 313, and the first flange 72 of the other one of the first bushings 7 is fitted to a second side surface of the connecting portion 31.

One second bushing 8 fits snugly over a first end of the second pin bore 314 and the other second bushing 8 fits snugly over a second end of the second pin bore 314. A second pin 6 is rotatably fitted in the second bushing 8, wherein the second pin 6 is also referred to as second connecting shaft 6. The second bushing 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 of the second bushings 8 is fitted to a first end of the second pin hole 314, the second flange 82 of the one of the second bushings 8 is fitted to a first side surface of the connecting portion 31, the second cylinder 81 of the other one of the second bushings 8 is fitted to a second end of the second pin hole 314, and the second flange 82 of the other one of the second bushings 8 is fitted to a second side surface of the connecting portion 31. Wherein the first bush 7 and the second bush 8 are also referred to as 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 fitting within the mount slot 101, and the third pin 9 fitting within the first arm hole 216 and the first hole 102 to pivotably connect the first end 211 of the first arm 21 and the mount 1. In this embodiment, the first arm 21 forms the second connecting portion and is a second link, the second arm 22 forms the first connecting portion and is a first link, one end of the first link is rotatably connected to the mounting base 1, the other end of the first link is rotatably connected to the pedal base 3, one end of the second link is rotatably connected to the mounting base 1, and the other end of the second link is rotatably connected to the pedal base 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 hinges 214, i.e. the second connection comprises a second body and two second hinges 214 spaced apart from each other connected to the second body. A first engaging groove 213 is formed between the two first lugs 214, the two first lugs 214 are respectively located at both sides of the free end 311 of the connecting portion 31 to straddle the second end 212 of the first arm 21 on the free end 311 of the connecting portion 31 by the first lugs 214 and the first engaging groove 213, and each of the two first lugs 214 has a first lug hole 215. The first pin 5 is fitted in 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, and the first pin 5 is in 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 mount groove 101, and the fourth pin 10 is fitted in the second arm hole 226 and the second hole 103 to pivotably connect the first end 221 of the second arm 22 and the mount 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 hinges 224, i.e. the first connection comprises a first body and two first hinges 224 spaced apart from each other connected to the first body. A second engaging groove 223 is formed between the two second lugs 224, the two second lugs 224 are respectively located at both sides of the middle portion 312 of the connecting portion 31 to straddle the second end 222 of the second arm 22 on the middle portion 312 of the connecting portion 31 by the second lugs 224 and the second engaging groove 223, and the two second lugs 224 each have a second lug hole 225. The second pin 6 is fitted in the second pin hole 314 and the second ear hole 225 to pivotally connect the second end 222 of the second arm 22 to the middle portion 312 of the connecting portion 31, and the second pin 6 is in 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 cushion members 4 are respectively arranged in the two mounting holes 227, and the outer end face of the cushion member 4 protrudes out of the surface of the second lug 224 adjacent to the first arm 21.

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

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

The pedal seat 3 includes a third main body and a third hinge portion 31, the third hinge portion 31 is disposed on the third main body, specifically, the third main body has a wedge-shaped inclined surface, the third hinge portion 31 is disposed on the wedge-shaped inclined surface, a free end 311 of the third hinge portion 31 has a first pin hole 313, and a middle portion 312 of the third hinge portion has a second pin hole 314.

The first arm 21 constitutes a second connecting portion and is a second link including a second main body and two second hinge portions 214, one end of the second main body is rotatably connected with the mounting base 1, the two second hinge portions 214 are connected with the other end of the second main body and spaced apart from each other, and the third hinge portion 31 is rotatably connected between the two second hinge portions 214. In other words, the two second hinge parts 214 are provided on 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 the mixing of silt and the like can be avoided, the abrasion, abnormal sound and the like of the hinge portions caused by 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 body having one end rotatably connected to the mount base 1 and two first hinge portions 224 connected to the other end of the first body and spaced apart from each other, and two second hinge portions 214 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, the two first hinge parts 224 are disposed 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 the mixing of silt and the like can be avoided, the abrasion, abnormal sound and the like of the hinge portions caused by silt are avoided, and the service life of the driving assembly 100 is prolonged.

The two first hinge portions 224 are provided with a damper block 4 on the surface adjacent to the second hinge portion 214, and one damper block 4 is provided on one first hinge portion 224. When the pedal seat 3 is in the retracted position, one of the damper blocks 4 abuts between the first hinge portion 224 provided with the damper block 4 and the second hinge portion 214 corresponding to the first hinge portion 224. The other damper block 4 abuts between the first hinge portion 224 provided with the damper block 4 and the second hinge portion 214 corresponding to the first hinge portion 224.

The buffer 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 sleeve is arranged between the second connecting shaft 6 and the second hinging part 214, the sleeve plays a role in protecting the connecting shaft and the hinging part, and in addition, the interference fit can prevent silt from being clamped in from the outer side through the gap between the sleeve and the hinging part and the connecting shaft, so that the abrasion is reduced, and the service life of the driving assembly 100 can be prolonged.

According to the utility model discloses a drive assembly 100 for automobile-used footboard, this drive assembly 100 forms link mechanism, and third articulated portion 31 presss from both sides and locates between a plurality of first articulated portions 224 and a plurality of second articulated portions 214, this drive assembly 100's simple structure, and intensity is higher, and the cost is lower, 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 mounting support (mounting base) 1, an arm assembly 2, a pedal support (pedal base) 3, two buffer members (damper blocks) 4, a first pin (first connecting shaft) 5, a second pin (second connecting shaft) 6, two first bushings 7, two second bushings 8, a third pin 9, a fourth pin 10, two third bushings 11, two fourth bushings 12, a fifth pin (trajectory control shaft) 13, a fifth bushing 14, and two trajectory control plates 15.

The arm assembly 2 comprises a first arm 21, a second arm 22 and a third arm 23, wherein a track control plate 15 is arranged on each of a first side surface and a second side surface of the first arm 21, the two track control side plates 15 are opposite and spaced apart from each other, a track control groove 151 penetrating through the track control plate 15 is formed in the track control plate 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 the second connecting portion, the second arm 22 and the third arm 23 constitute the first connecting portion, the second arm 22 is also referred to as the fourth link, and the third arm 23 is also referred to as the third link, one end of the third link being rotatably connected to the mount 1, the other end of the third link being rotatably connected to one end of the fourth link, the other end of the fourth link being rotatably connected to the pedal holder 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 holder groove 101, and the fourth pin 10 is fitted in the third arm hole 236 and the second hole 103 to pivotably connect the first end 231 of the third arm 23 and the mount holder 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 lug hole 235.

The first end 221 of the second arm 22 has a projection 228, the projection 228 also being referred to as a fifth hinge. Nose 228 has a second arm hole 226, fifth bushing 14 fits within second arm hole 226, and one end of fifth pin 13 fits within fifth bushing 14 and third ear hole 235 to pivotally connect second end 232 of third arm 23 to first end 221 of 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, a driving assembly (i.e., a telescopic device) for a pedal for a vehicle according to an embodiment of the present invention includes a mounting seat 1, a pedal seat 3, a first connecting portion, and a second connecting portion.

The pedal housing 3 is movable between an extended position and a retracted position. The pedal seat 3 includes a third main body and a third hinge portion 31, the third hinge portion 31 is disposed on the third main body, specifically, the third main body has a wedge-shaped inclined surface, the third hinge portion 31 is disposed on the wedge-shaped inclined surface, a free end 311 of the third hinge portion 31 has a first pin hole 313, and a middle portion 312 of the third hinge portion has 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 with 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 and the two fourth hinge portions 234 are rotatably connected by a third connecting shaft 13. The other end of the fourth link includes two first hinge parts 224 spaced apart from each other, the 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 connecting portion includes a second main body and two second hinge portions 214 spaced apart from each other, one end of the second main body is rotatably connected to the mounting base 1, the other end of the second main body is connected to the second hinge portions 214, the third hinge portion 31 is located between the two second hinge portions 214, and the third hinge portion 31 is rotatably connected to the two second hinge portions 214.

Both ends of the third connecting shaft 13 extend out of the two fourth hinge parts 234 to form or connect the supporting parts. The third connecting shaft 13 extends out of two ends of the fourth hinge portion 234, so that the part of the third connecting shaft 13 extending out of two ends of the fourth hinge portion 234 can be used as a sliding block, the sliding block is matched with the sliding groove on the second connecting portion, 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 shock-absorbing block 4, and one shock-absorbing block 4 is provided on one first hinge part 224. When the pedal seat 3 is in the retracted position, one of the damper blocks 4 abuts between the first hinge portion 224 provided with the damper block 4 and the second hinge portion 214 corresponding to the first hinge portion 224. The other damper block 4 abuts between the first hinge portion 224 provided with the damper block 4 and the second hinge portion 214 corresponding to the first hinge portion 224.

The buffer block 4 plays a role in buffering, so that direct collision between the fourth connecting rod and the first arm 21 is avoided, 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 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 mounting support (mounting base) 1, an arm assembly 2, a pedal support (pedal base) 3, two buffers (damper blocks) 4, a first pin (first connecting shaft) 5, a second pin (second connecting shaft) 6, two first bushings 7, two second bushings 8, a third pin 9, a fourth pin 10, two third bushings 11, two fourth bushings 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 comprises 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, and the fourth pin shaft 9 fitting within the third arm aperture 236 and the first aperture 102 to pivotably connect the first end 231 of the third arm 23 to the mounting bracket 1. Wherein in this embodiment the second arm 22 constitutes the second connecting portion, the first arm 21 and the third arm 23 constitute the first connecting portion, and the first arm 21 is also referred to as the fourth link, and the third arm 23 is also referred to as the 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 seat 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 formed therein, two third lugs 234 define a third engagement slot 233 therebetween, the first end 211 of the first arm 21 has two ear plates 217 spaced apart from each other, each ear plate 217 has a first arm hole 216 formed therein, and the two ear plates 217 fit into the third engagement slot 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 hole 243, the fourth arm 24 also being referred to as a fifth link 24. The fifth pin 15 is fitted in the third ear hole 235 and the first and fourth upper arm holes 216 and 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.

A fifth bushing 14 is fitted in each third ear hole 235, the fifth bushing 14 is also called a sleeve, a seventh bushing 18 is fitted in the fourth upper arm hole 243, 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 in 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, and the second end 242 of the fourth arm 24 is 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 slots 229. The second end 242 of the fourth arm 24 has a fourth lower arm hole 244, the sixth bushing 17 is fitted in the fourth lower arm hole 244, the sixth pin 16 is rotatably fitted in the sixth bushing 17, and the sixth pin 16 is fitted in the fourth lower arm hole 244 and the third hole 22 to pivotably connect the second end 242 of the fourth arm 24 and the second arm 22.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

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

a pedal support having a connecting portion; and

an arm assembly for driving the pedal support between the extended position and the 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, and a 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.

2. The telescopic device of a pedal apparatus for vehicle according to claim 1, wherein the second end of the first arm and the second end of the second arm both straddle the connecting portion.

3. The telescopic device of a pedal apparatus for vehicle according to claim 1, wherein the second end of the at least one arm has two lugs spaced apart from each other, the two lugs being located at both sides of the connecting portion, respectively, the connecting portion being pivotably connected to the lugs.

4. The telescopic device of a pedal apparatus for vehicle according to claim 1, wherein the second end of the first arm has two first lugs forming a first engaging groove therebetween, the two first lugs being located at both sides of the connecting portion, respectively, a first portion of the connecting portion being fitted in the first engaging groove and pivotally connected to 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.

5. The telescopic device of a pedal apparatus for vehicle according to claim 4, wherein the second end of the first arm is pivotably connected to the free end of the connecting portion, and the second end of the second arm is pivotably connected to the middle portion of the connecting portion.

6. The telescopic device of a pedal apparatus for vehicle as claimed in claim 4, wherein the connecting portion has a first pin hole, the first lug has a first lug 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 lug hole;

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

7. The telescopic device of a pedal apparatus for vehicles according to claim 6, further comprising:

a first bushing fitted within the first pin hole, the first pin rotatably fitted within the first bushing;

a second bushing fitted within the second pin hole, the second pin rotatably fitted within the second bushing.

8. The telescopic device of a pedal apparatus for vehicle according to claim 7, wherein the first bushing is two, one of the first bushings is fitted to a first end of the first pin hole, and the other first bushing is fitted to a second end of the first pin hole;

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

9. The telescopic device of a vehicular pedal apparatus according to claim 8, 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 a first end of the first pin hole, the first flange of the one of the first bushings is abutted against a first side surface of the connecting portion, the first cylinder of the other one of the first bushings is fitted to a second end of the first pin hole, the first flange of the other one of the first bushings is abutted against a second side surface of the connecting portion,

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

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

11. The telescopic device of a pedal apparatus for vehicle according to any one of claims 1 to 10, further comprising a mounting bracket, the first end of the first arm being pivotably connected to the mounting bracket, and the first end of the second arm being pivotably connected to the mounting bracket.

12. The telescopic device of a pedal apparatus for vehicle according to any one of claims 1 to 10, further comprising a mounting bracket, wherein the arm assembly further comprises a third arm, a first end of the third arm being pivotably connected to the mounting bracket, a second end of the third arm being pivotably connected to a first end of the second arm, and a first end of the first arm being pivotably connected to the mounting bracket.

13. The telescopic device of a pedal apparatus for vehicles according to claim 12, further comprising:

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

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

14. The telescopic device of a vehicular pedal apparatus according to claim 12, 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.

15. The telescopic device of a pedal apparatus for vehicle according to any one of claims 1 to 10, further comprising a mounting bracket to which the first end of the second arm is pivotably connected, the arm assembly further comprising:

the first end of the third arm is pivotally connected with the mounting support, and the second end of the third arm is pivotally connected with the first end of the first arm;

and the first end of the fourth arm is pivotally connected with the first end of the first arm and the second end of the third arm, and the second end of the fourth arm is pivotally connected with the second arm.

16. The telescopic device of a pedal apparatus for vehicle according to claim 15, wherein the second arm is provided at a middle portion thereof with a slot hole, and the second end of the fourth arm is fitted in the slot hole.

17. The telescopic device of a pedal apparatus for vehicle according to claim 16, wherein the first end of the first arm has two lug plates spaced apart from each other, the second end of the third arm has two third lugs spaced apart from each other, the two lug plates are fitted between the two third lugs, and the first end of the fourth arm is fitted between the two lug plates.

18. The telescopic device of a pedal apparatus for vehicle according to claim 16, wherein the first end of the first arm has two lug plates spaced apart from each other, the second end of the third arm has two third lugs spaced apart from each other, the two third lugs are fitted between the two lug plates, and the first end of the fourth arm is fitted between the two third lugs.

19. The retracting device of a pedal apparatus for vehicle according to any one of claims 1 to 10, wherein the first end of the first arm is pivotably connected to the underbody of the vehicle, and the first end of the second arm is pivotably connected to the underbody.

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

a telescopic device according to any one of claims 1-19;

a foot pedal mounted on the pedal support.

21. The pedal apparatus for vehicle as claimed in claim 20, wherein said foot board is one, said extension and retraction means has a plurality of said extension and retraction means arranged at intervals along a length direction of said foot board, one said foot board is mounted on a plurality of pedal supports of a plurality of said extension and retraction means.