Footrest device, seat and vehicle

Abstract

This application provides a footrest device, a seat, and a vehicle. The footrest device includes: a bracket; a drive unit connected to the bracket; a pedal rotation mechanism including a first rod, a second rod, and a third rod; the first rod is rotatably connected to the bracket and has a first groove; the second rod is rotatably connected to the bracket and slidably connected to the first groove and has a second groove; the third rod is rotatably connected to the first rod and slidably connected to the second groove; and a pedal connected to the pedal rotation mechanism; wherein the drive unit drives the pedal rotation mechanism to rotate the pedal.

Description

Technical Field

[0001] This application relates to a footrest device, a seat, and a vehicle. Background Technology

[0002] Today, people have increasingly higher demands for the comfort of seating products; in particular, taking car seats as an example, there is a need for a footrest device to provide support for the occupants' feet in order to improve comfort; due to the limited space for seating products such as car cabins, there is a need to develop a compact design for footrest devices; in addition, there is a need to improve the load-bearing capacity of footrest devices and improve the user experience of footrest devices.

[0003] In view of the above, the inventors of this application propose a footrest device, a seat, and a vehicle to meet at least one or a combination of the above needs. Utility Model Content

[0004] The purpose of this application is to provide a footrest device.

[0005] Another objective of this application is to provide a seat.

[0006] Another objective of this application is to provide a means of transportation.

[0007] A footrest device according to a first aspect of this application includes: a bracket; a drive unit connected to the bracket; a pedal rotation mechanism including a first rod, a second rod, and a third rod; the first rod is rotatably connected to the bracket and provided with a first sliding groove; the second rod is rotatably connected to the bracket and slidably connected to the first sliding groove and provided with a second sliding groove; the third rod is rotatably connected to the first rod and slidably connected to the second sliding groove; and a pedal connected to the pedal rotation mechanism; wherein the drive unit is used to drive the pedal rotation mechanism to move, causing the pedal to rotate.

[0008] The footrest device described above, through the pedal rotation mechanism and drive unit, allows the pedal to be rotatably adjusted, enabling it to unfold when in use and fold away when not in use, such as folding the pedal to fit against the seat back, thereby improving space utilization. Furthermore, with the pedal rotation mechanism, when the pedal is unfolded, the second and third rods provide oblique support for the pedal and the first rod, forming a stable triangular structure that enhances load-bearing capacity. Moreover, the first and second slide grooves guide the movement direction of the relevant moving parts in the pedal rotation mechanism, making the pedal movement smoother and more stable, thus improving the user experience.

[0009] In one or more embodiments of the footrest device, the drive unit includes a motor and a transmission assembly; the transmission assembly is connected to the motor and the pedal rotation mechanism; power can be output from the motor and transmitted to the pedal rotation mechanism through the transmission assembly.

[0010] In one or more embodiments of the footrest device, the transmission assembly includes a driving gear and a driven gear, the driving gear and the driven gear meshing, and the driven gear being fixedly connected to the first rod; power can be transmitted from the motor to the driving gear, causing the driving gear to rotate, the driving gear driving the driven gear to rotate, and the driven gear driving the first rod to rotate.

[0011] In one or more embodiments of the footrest device, two pedal rotating mechanisms are distributed on both sides of the pedal along the width direction of the pedal; and the first rod of the two pedal rotating mechanisms is fixedly connected to the shaft.

[0012] In one or more embodiments of the footrest device, it further includes an elastic element that accumulates an elastic force when the pedal rotates in a first direction and releases the elastic force when the pedal rotates in a second direction.

[0013] In one or more embodiments of the footrest device, the first rod is fixedly connected to the pedal, and the third rod is rotatably connected to the pedal; and / or, the first rod includes a first portion extending along the length direction of the first rod and a second portion extending along the width direction of the first rod; and / or, the second groove is an arcuate groove; and / or, the footrest device further includes at least one of a second sheet metal part and a cover.

[0014] In one or more embodiments of the footrest device, the footrest device is configured with a first state structure and a second state structure; the second rod and the first slide groove are connected to form a first connection point; the third rod and the second slide groove are connected to form a second connection point; the first slide groove includes a first end point and a second end point; the second slide groove includes a third end point and a fourth end point; when the footrest device is in the first state structure, the first connection point slides along the first end point towards the second end point, and the second connection point slides along the third end point towards the fourth end point, causing the pedal to retract; when the footrest device is in the second state structure, the first connection point slides along the second end point towards the first end point, and the second connection point slides along the fourth end point towards the third end point, causing the pedal to extend.

[0015] A seat according to a second aspect of this application includes the footrest device described above; the footrest device is mounted to the rear of the seat via the bracket for providing support for the feet of a user in the rear seat of the seat.

[0016] In one or more embodiments of the seat, the seat further includes a backrest, and the drive unit is located inside the backrest.

[0017] A vehicle according to a third aspect of this application includes a seat and a rear seat located behind the seat; the seat includes the footrest device described above for providing support for the feet of the user of the rear seat. Attached Figure Description

[0018] The above and other features, properties, and advantages of this application will become more apparent from the following description taken in conjunction with the accompanying drawings and embodiments, in which the same reference numerals always denote the same features. It should be noted that these drawings are merely illustrative and are not drawn to scale, and should not be construed as limiting the scope of protection actually claimed by this application, wherein:

[0019] Figure 1 This is a structural schematic diagram of a vehicle and its seat according to one embodiment.

[0020] Figure 2 This is a schematic diagram of the retractable pedal structure of a footrest device according to an embodiment.

[0021] Figure 3 This is a schematic diagram of the unfolded pedal of a footrest device according to an embodiment.

[0022] Figure 4 This is a schematic diagram of the structure of a footrest device according to one embodiment.

[0023] Figure 5 This is a schematic diagram of the structure of a footrest device according to one embodiment.

[0024] Figure 6 This is a schematic diagram of the structure of a footrest device according to one embodiment.

[0025] Figure 7 This is a schematic diagram of the structure of a footrest device according to one embodiment.

[0026] Figure 8 This is a schematic diagram of the structure of a footrest device according to one embodiment.

[0027] Figure 9 This is a schematic diagram of the structure of a footrest device according to one embodiment.

[0028] Figure label:

[0029] 1. Means of transportation;

[0030] 10. Seat; 11. Seat back;

[0031] 100. Footrest device; 110. Bracket; 111. Drive unit mounting plate; 112. Second sheet metal part; 120. Drive unit; 121. Motor; 1220. Transmission assembly; 1221. Drive gear; 1222. Driven gear; 130. Pedal rotation mechanism; 1310. First rod; 1311. First slide groove; 1373. First end point; 1374. Second end point; 1312. First part; 1313. Second part; 1314. Third part; 1320. Second rod; 1321. Second slide groove; 1375. Third end point; 1376. Fourth end point; 133. Third rod; 134. Shaft; 135. Elastic element; 136. Cover; 1371. First connection point; 1372. Second connection point; 140. Pedal; 141. First sheet metal part; 142. Foot pad;

[0032] 20. Rear seats. Detailed Implementation

[0033] Reference will now be made in detail to various embodiments of this application, examples of which are shown in the accompanying drawings and described below. Although this application will be described in conjunction with exemplary embodiments, it should be understood that this application is not intended to be limited to those exemplary embodiments. Rather, this application is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents, and other embodiments that may be included within the spirit and scope of this application as defined by the appended claims.

[0034] This application uses specific terms to describe embodiments of the application. For example, "an embodiment" and / or "one embodiment" refers to a feature, structure, or characteristic associated with at least one embodiment of the application. Therefore, it should be emphasized and noted that "an embodiment" or "one embodiment" mentioned twice or more in different locations in this application does not necessarily refer to the same embodiment. Furthermore, certain features, structures, or characteristics in one or more embodiments of the application can be appropriately combined. In the following description, the orientation or positional relationship indicated by terms such as "upper," "lower," "inner," "outer," "front," "rear," or other directional terms is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation, be constructed and / or implemented in a specific orientation, and therefore should not be construed as a limitation of the application. In this application, the terms "first," "second," etc., are only used for distinguishing descriptions and should not be construed as indicating or implying positional relationships or order of importance. In the following description, unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly; for example, they can refer to fixed connections or movable connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0035] It is understood that the footrest device, seat, etc. provided in this application are particularly suitable for automobile seats, and can also be applied to other applicable occasions, such as rail trains, ships, aircraft, and fixed places, such as meeting rooms, auditoriums, cinemas, etc. As long as the seat can use the footrest device disclosed in the embodiments of this application, it is not limited thereto.

[0036] like Figures 1 to 9 A footrest device 100 is shown, comprising: a bracket 110; a drive unit 120 connected to the bracket 110; a pedal rotation mechanism 130 including a first rod 1310, a second rod 1320, and a third rod 133; the first rod 1310 is rotatably connected to the bracket 110 and is provided with a first slide groove 1311; the second rod 1320 is rotatably connected to the bracket 110 and slidably connected to the first slide groove 1311 and is provided with a second slide groove 1321; the third rod 133 is rotatably connected to the first rod 1310 and slidably connected to the second slide groove 1321; and a pedal 140 connected to the pedal rotation mechanism 130; wherein the drive unit 120 is used to drive the pedal rotation mechanism 130 to move, so that the pedal 140 can be rotatably adjusted between a first position and a second position.

[0037] Specifically, the footrest device 100 can be installed at the rear of the seat 10 for use by occupants sitting in the rear seat 20 located behind the seat; the bracket 110 can be configured to be fixedly connected to the installation position of the seat 10, such as the internal bracket of the seat; the drive unit 120 refers to a component that can provide driving force to the pedal rotation mechanism 130, for example, by using electric, hydraulic or pneumatic means to provide driving force; in some embodiments, the drive unit 120 is equipped with a motor 121, but is not limited thereto, for example, it can also be configured as a hydraulic cylinder, pneumatic cylinder or other structure for driving. In some embodiments, the drive unit 120 provides a driving force to the first rod 1310, causing the first rod 1310 to rotate relative to the bracket 110, thereby driving the second rod 1320 and the third rod 133 to move. The first rod 1310 may be configured such that one end is rotatably connected to the bracket 110, and the other end provides a first groove 1311 and provides an installation position for the pedal 140. The second rod 1320 may be configured such that one end is rotatably connected to the bracket 110, and the other end is slidably connected to... The first groove 1311 forms the first connection point 1371; the second groove 1321 of the second rod 1320 may be arc-shaped; in some embodiments, the first connection point 1371 is provided with a rolling element (e.g., a rolling bearing) rotatably connected to the second rod 1320 and adapted to the first groove 1311 to reduce frictional resistance and noise; the third rod 133 may be configured such that one end is rotatably connected to the first rod 1310 and the other end is slidably connected to the second groove 1321 to form the second connection point 1372; Similar to the first connection point 1371, in some embodiments, the second connection point 1372 is configured with a rolling element to reduce sliding friction and noise; the third rod 133 may be a sheet metal part; the pedal 140 refers to a plate-like structure that can provide support for the user's feet, which may be configured as a component, such as including a first sheet metal part 141 fixedly connected to the pedal rotation mechanism 130 and a foot pad 142, etc. The foot pad 142 is designed to improve the comfort of the footrest device 100; the foot pad 142 may be made of foam material. The pedal 140 can be fixedly connected to the first rod 1310. The first position can be that the pedal 140 extends mainly along the height direction (up and down direction in the figure), for example, against the backrest 11, that is, the pedal 140 is folded in this position. The pedal 140 is folded in the first position to save space in the front and back direction of the seat. The second position of the pedal 140 can be that the pedal 140 extends from the seat 10 in a roughly front and back direction, that is, the pedal 140 is unfolded in this position to provide support for the user's feet.In some embodiments, when the footrest device 100 is in the first position, at least a portion of the pedal 140 coincides with the backrest 11 in the fore-and-aft direction of the seat, in other words, it is embedded in the back of the backrest 11, which helps to save space; in some embodiments, the pedal 140 can also be stably positioned between the first position and the second position to meet the personalized needs of users with different body shapes and postures and improve comfort.

[0038] Using the footrest device 100 described above, the pedal 140 can be rotated and adjusted via the pedal rotation mechanism 130 and the drive unit 120, allowing it to be unfolded when in use and folded when not in use, such as folding the pedal 140 to fit against the backrest 11 of the seat 10, thereby improving space utilization. Furthermore, with the pedal rotation mechanism 130, when the pedal 140 is unfolded, the second rod 1320 and the third rod 133 can provide oblique support for the pedal 140 and the first rod 1310, forming a stable triangular structure, which helps to improve load-bearing capacity. Moreover, the first slide groove 1311 and the second slide groove 1321 can guide the movement direction of the relevant moving parts in the pedal rotation mechanism 130, thereby making the movement of the pedal 140 smoother and more stable, improving the user experience.

[0039] like Figures 2 to 9 As shown, in one or more embodiments of the footrest device 100, the drive unit 120 includes a motor 121 and a transmission assembly 1220; the transmission assembly 1220 is connected to the motor 121 and the pedal rotation mechanism 130 respectively; power can be output from the motor 121 and transmitted to the pedal rotation mechanism 130 through the transmission assembly 1220; specifically, the motor 121 can be a brushed motor, a brushless motor, etc., and is not limited thereto; the transmission assembly 1220 can be configured as a gear assembly, so that the speed, torque and direction of motion output by the motor 121 can be converted by the transmission assembly 1220 to match the requirements of driving the pedal rotation mechanism 130; here, the gear assembly refers to a component that uses the transmission principle of tooth meshing for transmission, and does not mean that all parts are gears in the narrow sense. For example, the gear assembly can include worm gears and worm wheel gears connected to the motor 121; in one or more embodiments, the motor 121 and the transmission assembly 1220 can also be integrated into a housing, forming a "geared motor" similar to those commonly used in the art, so that the entire assembly and disassembly can be performed on the bracket 110.

[0040] like Figure 2 , Figure 4As shown, in one or more embodiments of the footrest device 100, the transmission assembly 1220 includes a driving gear 1221 and a driven gear 1222, which mesh with each other. In some embodiments, the driven gear 1222 is fixedly connected to the first rod 1310. Power can be transmitted from the motor 121 to the driving gear 1221, causing the driving gear 1221 to rotate, which in turn drives the driven gear 1222 to rotate, and the driven gear 1221 drives the first rod 1310 to rotate. Specifically, the driving gear 1221 and the driven gear 1222 are components that use gear meshing transmission, and are not limited to circular gears; for example, they can also be sector-shaped toothed plates.

[0041] like Figures 5 to 7 As shown, in one or more embodiments of the footrest device 100, two pedal rotation mechanisms 130 are distributed on both sides of the pedal 140 along the width direction of the pedal 140; and the first rod 1310 of the two pedal rotation mechanisms 130 is fixedly connected to a shaft 134, and the rotation of the shaft 134 can drive the two pedal rotation mechanisms 130 to rotate synchronously; the shaft 134 can be configured such that both ends are rotatably connected to the bracket 110 and can be driven to rotate by the drive unit 120; for example, the driven gear 1221 is fixedly sleeved on the shaft 134, and the driven gear 1221 can drive the shaft 134 and the first rod 1310 to rotate.

[0042] like Figure 5 As shown, in one or more embodiments of the footrest device 100, it further includes an elastic element 135; for example, the elastic element 135 is a torsion spring sleeved onto the shaft 134; when the pedal 140 rotates in a first direction (e.g., downward), the elastic element 135 accumulates an elastic force, and when the pedal 140 rotates in a second direction (e.g., upward), the elastic element 135 releases the elastic force. The elastic element 135 can be used to provide at least a portion of the driving force that causes the pedal 140 to rotate upward; and in some embodiments, the footrest device 100 is configured to include a drive member such as a motor 121, and the elastic element 135 releases the elastic force to provide assistance, thereby reducing the load on the drive member; and in some embodiments, the footrest device 100 is configured to include a drive gear 1221 and a driven gear 1222, and the elastic force provided by the elastic element 135 is used to eliminate the tooth backlash of the drive gear 1221 and the driven gear 1222, thereby reducing transmission vibration and noise, and making the movement of the pedal 140 smoother.

[0043] As the elastic element 135 rotates in the first direction, the accumulated elastic force gradually increases. In a comparative scheme without a pedal rotation mechanism 130, the excessive accumulated elastic force causes the pedal 140 (and driven gear 1222, etc.) to bounce and increase noise. However, by using a pedal rotation mechanism 130, especially with the design of the first slide groove 1311 and the second slide groove 1321, the movement direction of the relevant moving parts is guided and restricted, making the movement of the footrest device 100 more stable. This effectively eliminates the bouncing and noise problems caused by the excessive elastic force and improves the user experience.

[0044] like Figure 6 , Figure 7 As shown, in one or more embodiments of the footrest device 100, the first rod 1310 is fixedly connected to the pedal 140, and the third rod 133 is rotatably connected to the pedal 140 (e.g., the first sheet metal part 141). That is, the first rod 1310 and the third rod 133 are indirectly rotatably connected through the pedal 140. This facilitates the arrangement of the connection structure between the first rod 1310 and the third rod 133, improves load distribution, and enhances the load-bearing capacity of the pedal 140. It is understood that in some embodiments, the same components can be configured as a single piece in the two pedal rotation mechanisms 130 distributed on both sides, but this is not a limitation; for example, see... Figure 6 As shown, the two third links 133 can be two separate components, with one end of each third link 133 rotatably connected to the pedal 140 and the other end slidably connected to the second link 1320; see also Figure 7 As shown, the third rod 133 can also be a single piece, with one end rotatably connected to the pedal 140 and the other end slidably connected to the two second rods 1320 on both sides.

[0045] like Figure 8As shown, in one or more embodiments of the footrest device 100, the first rod 1310 is configured to have a first portion 1312 extending in its length direction (also along the fore-aft direction of the seat when in the second position) and a second portion 1313 extending in its width direction (also along the height direction of the seat when in the second position), such that the first rod 1310 is generally L-shaped; the first portion 1312 can provide installation space for the foot pad 142, which facilitates a compact structure; and the size of the second portion 1313 can be appropriately determined by comprehensively considering factors such as the height of the pedal 140 in the second position, the thickness of the foot pad 142, and the overall thickness of the pedal 140 in contact with the backrest 11 in the first position, so as to achieve a compact structure and improve space utilization efficiency while ensuring a comfortable user experience; in particular, compared with a comparative solution that does not have the second portion 1312, space in the fore-aft direction of the seat can be saved. The first rod 1310 may also have a third portion 1314 extending in its length direction, the third portion 1314 for rotatably connecting the bracket 110.

[0046] like Figure 6 , Figure 9 As shown, it can be understood that the drive unit 120 can drive the pedal rotation mechanism 130 to move, so that the pedal 140 can reach a first position (e.g., the pedal retracted position) and a second position (e.g., the pedal extended position); in some embodiments, the footrest device 100 is configured with a first state structure and a second state structure, and the first rod 1310, the second rod 1320, and the third rod 133 are linked in the first state structure and the second state structure; the first slide groove 1311 includes a first end point 1373 and a second end point 1374, and the second slide groove 1321 includes a third end point 1375 and a fourth end point 1376; as Figure 9 As shown, in the first state structure, the first connection point 1371 slides along the first endpoint 1373 towards the second endpoint 1374, the second connection point 1372 slides along the third endpoint 1375 towards the fourth endpoint 1376, and the first rod 1310 rotates relative to the bracket 110 (e.g., rotates upwards), causing the pedal 140 to switch from the second position to the first position for retraction; as Figure 6As shown, in the second state structure, the first connection point 1371 slides along the second end point 1374 towards the first end point 1373, the second connection point 1372 slides along the fourth end point 1376 towards the third end point 1375, and the first rod 1310 rotates relative to the bracket 110 (e.g., rotates downwards), causing the pedal 140 to switch from the first position to the second position to unfold; specifically, the first end point 1373 can be the side of the first groove 1311 away from the bracket 110 (i.e., away from the first rod 1310 and the support). The first endpoint 1374 can be the endpoint on the first slide groove 1311 near the support 110 (i.e., near the connection position between the second rod 1320 and the support 110); the second endpoint 1375 can be the endpoint on the second slide groove 1321 near the support 110; the third endpoint 1375 can be the endpoint on the second slide groove 1321 near the support 110; the fourth endpoint 1376 can be the endpoint on the second slide groove 1321 away from the support 110; the first state structure and the second state structure design facilitate the switching of the pedal 140 between the first position and the second position.

[0047] like Figure 2 As shown, in one or more embodiments of the footrest device 100, the pedal rotation mechanism 130 further includes a cover 136, which is fixedly connected to the first rod 1310; the first rod 1310 can be covered by the cover 136 and cannot be seen by the user from the outside, so as to improve aesthetics; and the cover 136 can also prevent dust.

[0048] like Figure 2 As shown, in one or more embodiments of the footrest device 100, the bracket 110 is configured as a component, for example, it may include a drive unit mounting plate 111 to provide a mounting position for the drive unit 120; it may also include a second sheet metal part 112, which is visible to the user when the footrest 140 is unfolded, to improve aesthetics and dust protection, etc.

[0049] See Figure 1 As shown, this application also provides a seat 10, which includes the above-mentioned footrest device 100; the footrest device 100 is mounted to the rear of the seat 10 via a bracket 110 for providing support for the feet of the user of the rear seat 20 located on the rear side of the seat 10.

[0050] In one or more embodiments of the seat 10, the seat 10 further includes a backrest 11; a bracket 110 is fixedly connected to the backrest 11, and a drive unit 120 is disposed inside the backrest 11. Specifically, in the width direction of the seat 10, the backrest 11 may be configured to have support frames distributed on both sides, and the drive unit 120 may be located inside the support frames; and in the front-rear direction of the seat 10, the entire drive unit 120 coincides with the support frames to effectively utilize the space of the seat 10 in the front-rear direction.

[0051] See Figure 1 As shown, this application also provides a vehicle 1, such as an automobile, which includes the above-mentioned seat 10 and a rear seat 20 located behind the seat 10; the footrest device 100 of the seat 10 is used to provide support for the feet of the user of the rear seat 20.

[0052] In summary, the advanced technical effects of this application include, but are not limited to, at least one of the following:

[0053] The footrest device described above, through the pedal rotation mechanism and drive unit, allows the pedal to be rotated and adjusted, enabling it to unfold when in use and fold away when not in use, such as folding the pedal to fit against the seat back, thereby improving space utilization. Furthermore, with the pedal rotation mechanism, when the pedal is unfolded, the second and third rods provide oblique support for the pedal and the first rod, forming a stable triangular structure that enhances load-bearing capacity. Moreover, the first and second slide grooves guide the movement direction of the relevant moving parts in the pedal rotation mechanism, making the pedal movement smoother and more stable, thus improving the user experience.

[0054] While this application discloses preferred embodiments as described above, it is not intended to limit the scope of this application. Any changes and modifications can be made by those skilled in the art without departing from the spirit and scope of this application. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application, without departing from the content of the technical solution of this application, fall within the protection scope defined by the claims of this application.

Claims

1. A footrest device (100), characterized in that, include: Stent (110); A drive unit (120) is connected to the bracket (110); The pedal rotation mechanism (130) includes a first rod (1310), a second rod (1320), and a third rod (133); the first rod (1310) is rotatably connected to the bracket (110) and is provided with a first slide groove (1311); the second rod (1320) is rotatably connected to the bracket (110) and slidably connected to the first slide groove (1311), and is provided with a second slide groove (1321); the third rod (133) is rotatably connected to the first rod (1310) and slidably connected to the second slide groove (1321); A pedal (140) is connected to the pedal rotation mechanism (130); wherein, The drive unit (120) is used to drive the pedal rotation mechanism (130) to move, so that the pedal (140) rotates.

2. The footrest device (100) according to claim 1, characterized in that The drive unit (120) includes a motor (121) and a transmission assembly (1220); the transmission assembly (1220) is connected to the motor (121) and the pedal rotation mechanism (130); power can be output from the motor (121) and transmitted to the pedal rotation mechanism (130) through the transmission assembly (1220).

3. The footrest device (100) according to claim 2, characterized in that The transmission assembly (1220) includes a drive gear (1221) and a driven gear (1222). The drive gear (1221) and the driven gear (1222) mesh with each other. The driven gear (1222) is fixedly connected to the first rod (1310). Power can be transmitted from the motor (121) to the drive gear (1221), causing the drive gear (1221) to rotate. The drive gear (1221) drives the driven gear (1222) to rotate, and the driven gear (1222) drives the first rod (1310) to rotate.

4. The footrest device (100) according to claim 1, characterized in that Two pedal rotation mechanisms (130) are distributed on both sides of the pedal (140) along the width direction of the pedal (140); and the first rod (1310) of the two pedal rotation mechanisms (130) is fixedly connected to the shaft (134).

5. The footrest device (100) according to claim 1, characterized in that It also includes an elastic element (135), which accumulates an elastic force when the pedal (140) rotates in the first direction, and releases the elastic force when the pedal (140) rotates in the second direction.

6. The footrest device (100) according to claim 1, characterized in that The first rod (1310) is fixedly connected to the pedal (140), and the third rod (133) is rotatably connected to the pedal (140); and / or, the first rod (1310) includes a first portion (1312) extending in the length direction of the first rod (1310), and a second portion (1313) extending in the width direction of the first rod (1310); and / or, the second groove (1321) is an arcuate groove; and / or, the footrest device (100) further includes at least one of a second sheet metal part (112) and a cover (136).

7. The footrest device (100) according to claim 1, characterized in that The footrest device is configured with a first state structure and a second state structure; the second rod (1320) and the first slide (1311) are connected to form a first connection point (1371); the third rod (133) and the second slide (1321) are connected to form a second connection point (1372); the first slide (1311) includes a first end point (1373) and a second end point (1374); the second slide (1321) includes a third end point (1375) and a fourth end point (1376); When the footrest device (100) is in the first state structure, the first connection point (1371) slides along the first end point (1373) toward the second end point (1374), and the second connection point (1372) slides along the third end point (1375) toward the fourth end point (1376), so that the pedal (140) retracts; When the footrest device (100) is in the second state structure, the first connection point (1371) slides along the second endpoint (1374) toward the first endpoint (1373), and the second connection point (1372) slides along the fourth endpoint (1376) toward the third endpoint (1375), so that the pedal (140) unfolds.

8. A seat (10) characterized by, Includes a footrest device (100) as described in any one of claims 1 to 7; the footrest device (100) is mounted to the rear of the seat (10) via the bracket (110) for providing support for the feet of the user of the rear seat (20) of the seat (10).

9. The seat (10) according to claim 8, characterized in that It also includes a backrest (11), and the drive unit (120) is located inside the backrest (11).

10. A vehicle (1) characterized in that Includes a seat (10) and a rear seat (20) located behind the seat (10); the seat (10) includes a footrest device (100) as claimed in any one of claims 1 to 7 for providing support for the feet of the user of the rear seat (20).

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