CN220682227U - Pedal assembly and seat - Google Patents

Abstract

The utility model discloses a foot pedal assembly and a seat, wherein the foot pedal assembly comprises a bearing plate, a driving mechanism and a supporting mechanism, and the bearing plate is arranged on the supporting mechanism; the driving mechanism comprises a driving piece and a moving rod, the driving piece is arranged on the bearing plate, and the moving rod is in transmission connection with the driving end of the driving piece; the supporting mechanism comprises a guide rod and a supporting frame which are connected in a rotating way, and the guide rod is connected with the moving rod in a sliding way. When the foot rest assembly is used, the foot rest assembly supports feet of passengers, deformation of the foot rest plate due to load pressure of the feet of the passengers is reduced by the aid of supporting function of the supporting mechanism, and use reliability of the foot rest assembly is improved.

Description

Pedal assembly and seat

Technical Field

The utility model relates to the technical field of seats, in particular to a foot pedal assembly and a seat.

Background

In vehicles, in order to improve riding comfort of passengers, pedals for stepping on feet are generally provided at the rear end of front seats for rear passengers to rest the feet for support. Such as an automobile seat that is equipped with a step behind the seat for use by rear passengers.

The foot supporting plate is usually arranged on the seat cushion or backrest framework of the seat, and the loading form of the foot supporting plate is reasonably designed to optimize the structural volume and improve the use convenience of the seat. The inventors found that: in the prior art, the foot supporting plate is usually in a suspended state after being unfolded, and depends on the connecting structure of the seat cushion or the backrest framework for limiting and supporting, so that when a rear passenger actually uses the foot supporting plate, the foot pedal cannot bear a larger load, deformation is easy to generate, and the use reliability of the foot pedal is reduced.

Disclosure of Invention

The technical problem to be solved or at least partially solved by the utility model is that in the related art, the pedal cannot bear a large load, deformation is easy to generate, and the defect that the use reliability of the pedal is reduced exists.

In a first aspect, the present utility model provides a footrest assembly adapted for connection with a seat frame assembly, the footrest assembly comprising:

a support plate adapted to support the feet of a passenger;

the driving mechanism comprises a driving piece and a moving rod, the driving piece is arranged on the bearing plate, and the moving rod is in transmission connection with the driving end of the driving piece;

the bearing plate is installed on the supporting mechanism; the supporting mechanism comprises a guide rod and a supporting frame which are connected in a rotating way, and the guide rod is connected with the moving rod in a sliding way;

under the action of the driving piece, the moving rod slides back and forth along the guiding direction of the guiding rod, so that the rotating angle of the supporting end of the supporting frame is adjusted in a transmission mode, and the supporting end is enabled to rotate to be close to or far away from the ground side.

The supporting mechanism further comprises a connecting rod, one end of the connecting rod is rotationally connected with the movable rod, and the other end of the connecting rod is rotationally connected with the supporting frame.

The support frame comprises a connecting body and a support body; the end part of the supporting body far away from the connecting body is provided with the supporting end;

the connecting body is rotationally connected with the guide rod, and the connecting body is fixedly connected with the supporting body; or (b)

The connecting body is fixedly connected with the guide rod, and the connecting body is rotationally connected with the supporting body.

The guide rods and the connecting rods are respectively arranged, and the connecting body is arranged between the two guide rods; the support body is provided with two, two the support body looks interval sets up, the support body with the connecting rod corresponds the connection setting.

The moving rod has a first position state and a second position state;

in the first position state, the movable rod is positioned at an initial driving position or a reset limit position of the driving piece;

in the second position state, the moving rod is positioned at a stroke limit position or a reset initial position driven by the driving piece;

when the movable rod is in the first position state, for the connecting rod and the supporting body which are correspondingly connected, on a plane perpendicular to the rotation axes of the connecting rod and the supporting body, an obtuse angle formed by projection formed by the length direction of the connecting rod and the extension direction of the supporting body on the plane is set to be 175-177 degrees, and the tip formed by the connecting rod and the supporting body is arranged towards the ground side.

The pedal assembly further comprises a supporting wheel, the supporting mechanism further comprises a second adapter piece, the supporting wheel is sleeved on the second adapter piece, one end of the second adapter piece is rotationally connected with the connecting rod, the other end of the second adapter piece is rotationally connected with the supporting frame, and the supporting wheel is arranged between the connecting rod and the supporting frame; the supporting wheel is fixedly connected with the second adapter or rotatably connected with the second adapter.

The bearing plate comprises a mounting cover and a connecting cover which are detachably connected, the driving piece is fixedly arranged in the mounting cover, the supporting mechanism is arranged in the connecting cover, and the connecting cover is provided with an avoidance groove which is suitable for accommodating the rotation of the supporting end of the supporting frame; and/or

The guide rod is provided with a guide groove, and the guide groove and the moving rod are arranged in a sliding manner.

The driving mechanism further comprises a speed reducer and a transmission structure, the speed reducer is fixed in the bearing plate, the speed reducer is arranged at the output end of the driving piece, the transmission structure comprises a transmission screw and a screw slider, the transmission screw is fixedly connected to the output end of the speed reducer, the screw slider is fixed on the moving rod, and the extending direction of the transmission screw and the guiding direction of the guiding groove are arranged in parallel; the transmission screw rod is in transmission connection with the screw rod sliding block so as to drive the movable rod to slide back and forth; and/or

The driving mechanism further comprises a limiting sleeve, the limiting sleeve is arranged at the end part of the moving rod, and the limiting sleeve and the guide groove are arranged in a sliding mode.

In a second aspect, the present utility model provides a seat comprising:

the seat framework assembly is suitable for being connected with the frame;

a foot pedal assembly; the footrest assembly is reversibly mounted to the seat frame assembly.

The seat frame assembly comprises a seat frame and a mounting assembly; the mounting assembly comprises a mounting seat, a mounting shaft and a locking piece, the mounting seat is fixedly connected to the chair frame, the mounting shaft and the mounting seat are rotatably configured, and the pedal assembly is fixedly connected with the mounting shaft; the locking piece is sleeved on the mounting shaft so as to lock and fix the pedal assembly on the mounting shaft.

The technical scheme provided by the utility model has the following advantages:

1. according to the pedal assembly provided by the utility model, the driving piece drives the movable rod to enable the movable rod to slide back and forth along the guiding direction of the guide rod, so that the rotation angle of the supporting end of the supporting frame is adjusted in a transmission manner, and the supporting end is enabled to rotate close to the ground side when in use, so as to contact with the vehicle body structure, support the bearing plate is formed, when the bearing plate bears the feet of a passenger, the deformation of the bearing plate due to the load pressure of the feet of the passenger is reduced by utilizing the supporting function of the supporting mechanism, and the use reliability of the pedal assembly is improved; or when the bearing plate needs to be retracted, the driving piece drives the movable rod to drive the supporting end to rotate away from the ground side so as to be separated from contact with the vehicle body structure, and the retraction process is completed.

2. The pedal assembly provided by the utility model further comprises a connecting rod, one end of the connecting rod is rotationally connected with the moving rod, and the other end of the connecting rod is rotationally connected with the supporting frame. The power of the movable rod is transmitted through the connecting rod to drive the rotation of the support frame, so that the rotation angle of the support frame is adjusted, and the purpose that the support end rotates to be close to or far away from the ground side is achieved.

3. According to the pedal assembly provided by the utility model, the end part of the supporting body, which is far away from the connecting body, is configured as the supporting end of the supporting frame, the connecting body is used for contacting with the guide rod, the guide rod is used for providing stable support for the supporting frame, and the reliable rotation stroke of the supporting end relative to the guide rod is promoted.

4. According to the pedal assembly provided by the utility model, when the driving piece drives the movable rod to slide, the acting force is transmitted to the support frame by the connecting rod, so that the support mechanism can deform in the expected direction conveniently, and in the initial driving process, the obtuse angle formed by projection of the length direction of the connecting rod and the extending direction of the support body on the plane perpendicular to the rotation axes of the connecting rod and the support body is set to be 175-177 degrees, so that the unfolding capability of the support mechanism is improved.

5. According to the pedal assembly provided by the utility model, the driving piece is loaded through the mounting cover, the supporting mechanism is accommodated in the connecting cover, the avoiding groove is formed in the connecting cover, and when the supporting frame is retracted, the supporting end of the supporting frame is accommodated by the avoiding groove, so that the structure is optimized, and the space utilization is facilitated.

6. According to the pedal assembly provided by the utility model, the driving piece drives the screw rod sliding block to slide on the transmission screw rod so as to drive the movable rod to slide, the transmission mode is a stepless regulation mode, and the sliding stroke of the movable rod can have different sliding lengths, so that when the movable rod drives the connecting rod and the supporting frame to move, the supporting frame can have different rotation angles so as to be suitable for different support angles required by the pedal assembly, and the support capability of the pedal assembly is optimized.

7. The utility model provides a seat, which comprises a seat framework assembly and a foot pedal assembly. The seat frame assembly is adapted to be coupled to the vehicle frame and the footrest assembly is rotatably mounted to the seat frame assembly. When the foot rest assembly supports the feet of the passengers, the supporting function of the supporting mechanism in the foot rest assembly is utilized to reduce the deformation of the supporting plate caused by the load pressure of the feet of the passengers, the use reliability of the foot rest assembly is improved, and the convenience and the safety of the use of the seat are improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a footrest assembly in a seat according to an embodiment of the present utility model when folded;

FIG. 2 is a schematic view of a seat according to an embodiment of the present utility model when unfolded and flipped;

FIG. 3 is a schematic illustration of the connection of a mounting component and a footrest assembly in a seat provided in an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a foot pedal assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic illustration of the connection of a guide bar and a connecting bar in a foot pedal assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a guide rod in a foot pedal assembly according to an embodiment of the present utility model;

reference numerals illustrate:

11-a chair frame; 12-mounting an assembly; 121-a mounting base; 122-mounting a shaft; 123-locking member;

21-a support plate; 211-mounting a cover; 212-connecting the cover;

22-a driving mechanism; 221-a driver; 222-a decelerator; 223-driving a screw; 224-a moving rod; 225-limiting sleeve;

23-a supporting mechanism; 231-guide bar; 2311-a guide slot; 2312-connecting holes; 2313-fitting holes; 232-connecting rods; 233-a support frame; 2331-a connection body; 2332-a support body; 234-first adapter; 235-a second adapter; 236-a third adapter;

24-supporting wheels.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The embodiment provides a pedal assembly, which is suitable for being connected with a seat framework assembly, and particularly, the pedal assembly can be arranged on the seat framework assembly of the peripheral equipment in a turnover manner.

Referring to fig. 1 to 4, the foot rest assembly includes a support plate 21, a driving mechanism 22, and a supporting mechanism 23; the bearing plate 21 is mounted on the supporting mechanism 23; the support plate 21 is adapted to support the feet of a passenger.

Referring to fig. 4, the driving mechanism 22 includes a driving member 221 and a moving rod 224, the driving member 221 is mounted on the support plate 21, and the moving rod 224 is drivingly connected to the driving end of the driving member 221; the supporting mechanism 23 comprises a guide rod 231 and a supporting frame 233 which are rotatably connected, and the guide rod 231 is slidably connected with the moving rod 224; under the action of the driving member 221, the moving rod 224 slides reciprocally along the guiding direction of the guiding rod 231 to drive and adjust the rotation angle of the supporting end of the supporting frame 233, so that the supporting end rotates close to or far from the ground side.

According to the pedal assembly provided by the embodiment, the driving piece 221 drives the action moving rod 224, so that the moving rod 224 slides back and forth along the guiding direction of the guide rod 231, and the rotation angle of the supporting end of the supporting frame 233 is adjusted in a transmission manner, so that the supporting end rotates to be close to the ground side when in use, and contacts with a vehicle body structure, so that the supporting of the supporting plate 21 is formed, when the supporting plate 21 supports the feet of a passenger, the supporting effect of the supporting mechanism 23 is utilized to reduce the deformation of the supporting plate 21 caused by the load pressure of the feet of the passenger, and the use reliability of the pedal assembly is improved; or when the supporting plate 21 needs to be retracted, the driving piece 221 drives the moving rod 224 to drive the supporting end to rotate away from the ground side so as to be out of contact with the vehicle body structure, and the retraction process is completed.

With continued reference to fig. 4, the support mechanism 23 further includes a connecting rod 232, one end of the connecting rod 232 is rotatably connected to the moving rod 224, and the other end of the connecting rod 232 is rotatably connected to the supporting frame 233. The power of the movable rod 224 is transmitted through the connecting rod 232 to drive the support frame 233 to rotate, so that the rotation angle of the support frame 233 is adjusted, and the purpose of enabling the support end to rotate to move close to or far away from the ground side is achieved.

In the present embodiment, referring to fig. 4, the support bracket 233 includes a connection body 2331 and a support body 2332; the end of the support body 2332 away from the connection body 2331 is set as a support end; specifically, the end of the supporting body 2332 far away from the connecting body 2331 is configured as a supporting end of the supporting frame 233, the connecting body 2331 is used for contacting with the guide rod 231, and the guide rod 231 is used for providing stable support for the supporting frame 233, so as to promote the reliable rotation stroke of the supporting end relative to the guide rod 231.

In some embodiments, the connection body 2331 and the support body 2332 are respectively provided as a rod structure; the guide rod 231 is arranged as a plate rod structure, the length direction of the connecting body 2331 is perpendicular to the extending plane of the guide rod 231, and the extending direction of the supporting body 2332 is parallel to the extending plane of the guide rod 231.

In the present embodiment, referring to fig. 4, the connection body 2331 and the guide bar 231 are rotatably connected, and the connection body 2331 and the support body 2332 are fixedly connected. The movable rod 224 drives the connecting rod 232, the supporting body 2332 and the connecting body 2331 to move, the whole supporting frame 233 and the guide rod 231 are rotatably arranged, the whole supporting frame 233 is good in consistency, the connecting strength is high, and the movement precision of the supporting frame 233 in the supporting mechanism 23 is enhanced.

As a modification, the connection body 2331 and the guide bar 231 are fixedly connected, and the connection body 2331 and the support body 2332 are rotatably connected. The connecting rod 232 and the supporting body 2332 are driven to move by the moving rod 224, the supporting body 2332 and the connecting body 2331 rotate mutually, the supporting body 2332 at the transmission tail end of the driving piece 221 rotates, and compared with the driving piece 221 driving the whole supporting frame 233, the driving piece 221 can select smaller driving acting force, and the purpose of adjusting the supporting end to rotate to a desired angle can be achieved.

In the present embodiment, referring to fig. 4, two guide rods 231 and connection rods 232 are provided, respectively, and a connection body 2331 is provided between the two guide rods 231; the support body 2332 is provided with two, and two support body 2332 looks interval sets up, and support body 2332 and connecting rod 232 correspond the connection setting.

Wherein the travel bar 224 has a first position state and a second position state; referring to fig. 4, in the first position state, the moving lever 224 is located at the initial driving position or the reset limit position of the driving member 221; in the second position state, the moving lever 224 is located at a stroke limit position or a reset initial position driven by the driving member 221. When the moving lever 224 is in the first position state, for the connecting rod 232 and the support body 2332 which are connected correspondingly, on a plane perpendicular to the rotation axes of the two, an obtuse angle formed by projection of the length direction of the connecting rod 232 and the extending direction of the support body 2332 on the plane is set to 175 ° -177 °, and a tip formed by the connecting rod 232 and the support body 2332 is set toward the ground side.

In this embodiment, to facilitate the deformation movement of the supporting mechanism 23 in the desired direction, when the moving rod 224 is in the first position state, the obtuse angles formed by the projections of the length direction of the connecting rod 232 and the extending direction of the supporting body 2332 on the planes perpendicular to the rotation axes of the two are set to 175 ° -177 °, respectively, so as to improve the unfolding capability of the supporting mechanism 23.

As an embodiment, the supporting mechanism 23 further includes a first adaptor 234, referring to fig. 5, where the first adaptor 234 and the moving rod 224 are fixedly disposed, the first adaptor 234 is rotatably connected to the connecting rod 232, and the power of the moving rod 224 is transmitted to the connecting rod 232 through the first adaptor 234.

In this embodiment, the pedal assembly further includes a supporting wheel 24, the supporting mechanism 23 further includes a second adapter 235, see fig. 5, the supporting wheel 24 is sleeved on the second adapter 235, one end of the second adapter 235 is rotationally connected with the connecting rod 232, the other end of the second adapter 235 is rotationally connected with the supporting frame 233, and the supporting wheel 24 is disposed between the connecting rod 232 and the supporting frame 233; the support wheel 24 and the second adapter 235 are rotatably connected. The support wheels 24 are provided as support ends that contact the vehicle body structure after the support mechanism 23 is deployed. The support wheels 24 reach the vehicle body structure with the end of the connecting rods 232 and support brackets 233 extending therefrom to provide support for the carrier plate. The support wheels 24 are provided to include, but are not limited to, rubber wheels, plastic wheels. In other embodiments, the support wheel 24 and the second adapter 235 are fixedly coupled.

As an embodiment, the supporting mechanism 23 further includes a third adapter 236, see fig. 5 and 6, where the third adapter 236 is used to connect the supporting frame 233 and the guide rod 231; the third adapter 236 is fixedly connected with the supporting frame 233, and the third adapter 236 is rotatably connected with the guide rod 231. When the supporting frame 233 rotates relative to the guide bar 231, the third adapter 236 and the supporting frame 233 rotate synchronously. Wherein, the end of the guide rod 231 is provided with a connection hole 2312, and the connection hole 2312 is connected with the third adapter 236.

As a deformation, the end of the support body 2332 is not connected to the end of the connection rod 232; the connecting rod 232 and the middle section of the support body 2332 are configured to be rotatably connected, and the second adapter 235 is respectively penetrated through and rotated to connect the connecting rod 232 and the middle section of the support body 2332. When the movable rod 224 drives the connecting rod 232 and the supporting frame 233 to move, the rotation stroke of the supporting end is more beneficial to expanding, the design of optimizing the occupied volume of the transmission structure in the supporting mechanism 23 can be performed, and the movement range of the supporting end is reasonably improved.

As a modification, when the connection body 2331 and the support body 2332 are fixedly disposed, and the connection body 2331 and the guide rod 231 are rotatably disposed, the support body 2332 may be disposed at intervals along the longitudinal direction of the connection body 2331. The ends of the support bodies 2332 are commonly contacted with the vehicle body structure close to the ground, so that the contact area is increased, the deformation of the support plate 21 caused by the load pressure of the feet of the passengers is reduced, and the use reliability of the pedal assembly is improved.

In the non-use state, the support bracket 233 is retracted inside the support plate 21, and does not occupy the space inside the vehicle. In this embodiment, referring to fig. 1 and 4, the support plate 21 includes a mounting cover 211 and a connection cover 212 which are detachably connected, the driving member 221 is fixedly disposed in the mounting cover 211, the supporting mechanism 23 is disposed in the connection cover 212, and the connection cover 212 is provided with a recess adapted to accommodate rotation of the supporting end of the supporting frame 233. Specifically, dodge the groove and be provided with two, two dodge the groove and dodge the setting with the support body 2332 that is according to design turned angle mutually. The driving piece 221 is loaded through the mounting cover 211, the supporting mechanism 23 is accommodated in the connecting cover 212, the avoiding groove is formed in the connecting cover 212, and when the supporting frame 233 is retracted, the supporting end of the supporting frame 233 is accommodated by the aid of the avoiding groove, so that the structure is optimized, and space utilization is facilitated.

Referring to fig. 6, a guide groove 2311 is provided on the guide bar 231, and the guide groove 2311 and the moving bar 224 are slidably provided. In this embodiment, the driving mechanism 22 further includes a stop collar 225, the stop collar 225 is mounted on the end of the moving rod 224, and the stop collar 225 and the guide groove 2311 are slidably disposed. The stop collar 225 is provided with a stop edge, and the stop plate abuts against the guide rod 231 to align the sliding motion of the moving rod 224. As an example, the stop collar 225 is provided with two flanges, which are respectively disposed on two sides of the guide rod 231, and a sliding portion is disposed between the two flanges, and the sliding portion and the guide groove 2311 are slidably disposed. The driving mechanism 22 and the supporting mechanism 23 are in transmission fit, and the moving rod 224 slides back and forth in the inner guide groove 2311, so that the function of retracting or expanding the supporting mechanism 23 in the pedal assembly can be realized. Wherein, buffer structures, such as buffer energy absorbing plastic or buffer rubber, can be arranged at two extreme positions of the guide slot 2311 to improve the sliding stability of the moving rod 224, which is beneficial to enhancing the movement precision of the supporting mechanism 23.

Referring to fig. 3 and 4, the driving mechanism 22 further includes a decelerator 222 and a transmission structure, the decelerator 222 is fixed in the support plate 21, the decelerator 222 is disposed at an output end of the driving member 221, the transmission structure includes a transmission screw 223 and a screw slider, the transmission screw 223 is fixedly connected to the output end of the decelerator 222, the screw slider is fixed on the moving rod 224, and an extending direction of the transmission screw 223 is disposed in parallel with a guiding direction of the guiding groove 2311; the driving screw 223 is connected with the screw slide block in a driving way so as to drive the moving rod 224 to slide back and forth. In some embodiments, the driving member 221 may be configured as a driving motor, and the speed reducer 222 is a worm gear reducer 222. According to the pedal assembly provided by the embodiment, the driving piece 221 drives the screw rod sliding block to slide on the transmission screw rod 223 so as to drive the movable rod 224 to slide, the transmission mode is the stepless adjustment mode, and the sliding stroke of the movable rod 224 can have different sliding lengths, so that when the movable rod 224 drives the connecting rod 232 and the supporting frame 233 to move, the supporting frame 233 can have different rotation angles so as to be suitable for different support opening angles required by the pedal assembly, and the supporting capability of the pedal assembly is optimized.

The support mechanism 23 is unfolded to contact the floor of the vehicle body in the use state, so as to provide support for the bearing plate 21, and the problem of insufficient rigidity of the pedal assembly along the support direction can be solved. As an example, the extending surface of the upper end surface of the support plate 21 may be adjusted to be located on a horizontal plane, the feet of the passenger may be placed horizontally, the supporting direction of the supporting end of the supporting frame 233 is set in the height direction after contacting the vehicle body structure, and the supporting direction of the supporting end is set vertically to the extending surface of the support plate 21, which is advantageous for enhancing the supporting ability of the footrest assembly to the feet of the passenger, and improving the problem of insufficient rigidity of the footrest assembly in the vertical height direction. As another example, the extending surface of the upper end surface of the support plate 21 may be adjusted to a plane inclined to the horizontal plane, the feet of the passenger may be placed obliquely, and the supporting end of the supporting frame 233 may be disposed vertically to the extending surface of the support plate 21 after contacting the vehicle body structure, which is advantageous in enhancing the supporting ability of the footrest assembly to the feet of the passenger and improving the problem of insufficient rigidity of the footrest assembly in the vertical direction of support.

In the present embodiment, referring to fig. 1, the support plate 21 is provided in a square plate body structure, the sliding direction of the moving lever 224 and the width direction of the support plate 21 are provided in parallel, and the length direction of the support frame 233 and the length direction of the support plate 21 are provided in parallel. In other embodiments, the support plate 21 is provided in a circular or oval configuration, and the support mechanism 23 is built into the support plate 21.

The material of the supporting plate 21 can be selected from metal materials or engineering plastics, and the supporting plate 21 is ensured to have a better deformation resistance effect, wherein the supporting plate 21 is used as an appearance piece of the pedal assembly, and good appearance texture is required. Such as aluminum alloys, polyamide plastics, polycarbonate plastics, and the like.

It should be noted that the above pedal assembly is not limited to use by rear passengers, and can be applied to other use occasions. For example, the footrest assembly is disposed at the front end of the seat for the passenger on the seat to use, and provides a foot supporting function, and the supporting mechanism 23 is also utilized to support the supporting plate 21, so that the deformation of the supporting plate 21 due to the load pressure of the foot of the passenger is reduced, and the use reliability of the footrest assembly is improved.

Example 2

The present embodiment provides a seat comprising a seat frame assembly and the footrest assembly of embodiment 1. The seat framework assembly is suitable for being connected with a frame; the foot pedal assembly is mounted on the seat frame assembly in a reversible manner. When the foot rest assembly supports the feet of the passengers, the supporting function of the supporting mechanism 23 in the foot rest assembly is utilized to reduce the deformation of the supporting plate caused by the load pressure of the feet of the passengers, the use reliability of the foot rest assembly is improved, and the convenience and the safety of the use of the seat are improved.

In this embodiment, referring to FIGS. 1 and 2, the seat frame assembly includes a seat frame 11 and a mounting assembly 12; the mounting assembly 12 comprises a mounting seat 121, a mounting shaft 122 and a locking piece 123, wherein the mounting seat 121 is fixedly connected to the chair frame 11, the mounting shaft 122 and the mounting seat 121 are rotatably configured, and the pedal assembly is fixedly connected with the mounting shaft 122; a locking member 123 is socket-fitted over the mounting shaft 122 to lock and fix the pedal assembly to the mounting shaft 122.

Specifically, referring to fig. 2, two mounting seats 121 are provided, the two mounting seats 121 are respectively and fixedly connected to the chair frame 11, and two ends of a mounting shaft 122 are respectively and rotatably connected between the two mounting seats 121; the mounting shaft 122 is driven to rotate through the external mechanism so as to adjust and overturn the pedal assembly to a desired position, thereby meeting the use requirements of rear passengers.

As an embodiment, referring to fig. 6, the guide bar 231 is provided with a fitting hole 2313, and the mounting shaft 122 is provided through the fitting hole 2313. The mounting shaft 122 is assembled through the assembly hole 2313, providing a sufficient contact connection area of the guide bar 231 and the mounting shaft 122.

Referring to fig. 2 and 3, the locking member 123 is provided as a socket spring member which is socket-fitted on the mounting shaft 122; in the present embodiment, the locking member 123 is provided with two; the two locking pieces 123 are arranged at intervals, the two opposite end parts along the length direction are respectively abutted against the guide rods 231, the two guide rods 231 can be locked in a limiting mode to move close to each other, the influence on the action of the supporting mechanism 23 caused by the displacement of the guide rods 231 is avoided, and the movement precision of the whole supporting mechanism 23 is improved.

In this embodiment, for the overall turning and supporting and unfolding actions of the pedal assembly, the electronic control signals of the seat ECU (seat electronic controller unit) or the whole vehicle are synchronously controlled, and the supporting mechanism 23 is unfolded downward under the driving action of the driving mechanism 22 while the pedal assembly is turned downward under the driving action of the external device, so as to play a supporting function.

The seat provided by the utility model has the following application method:

firstly, the installation shaft 122 rotates through the external driving function, so that the installation shaft 122 synchronously drives the pedal assembly to turn over; then, in the unfolding process of the supporting mechanism 23 through the action of the driving mechanism 22, the driving piece 221 drives the transmission screw 223 and the screw slider, and the screw slider drives the moving rod 224 to slide in the guiding direction of the guiding rod 231, so that the moving rod 224 drives the connecting rod 232 and the supporting frame 233, the rotation angle of the supporting frame 233 is changed, and the supporting end of the supporting frame 233 is close to the vehicle body structure on the ground side, so that the supporting plate 21 is supported through the supporting end; the retraction process, in which the support means 23 is acted upon by the drive means 22, is not repeated here.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A footrest assembly adapted for connection to a seat frame assembly, the footrest assembly comprising:

a support plate (21) adapted to support the feet of a passenger;

the driving mechanism (22), the driving mechanism (22) comprises a driving piece (221) and a moving rod (224), the driving piece (221) is arranged on the supporting plate (21), and the moving rod (224) is connected with the driving end of the driving piece (221) in a transmission way;

and a support mechanism (23), the support plate (21) being mounted on the support mechanism (23); the supporting mechanism (23) comprises a guide rod (231) and a supporting frame (233) which are rotatably connected, and the guide rod (231) is slidably connected with the moving rod (224);

under the action of the driving piece (221), the moving rod (224) slides back and forth along the guiding direction of the guiding rod (231) so as to drive and adjust the rotation angle of the supporting end of the supporting frame (233) and enable the supporting end to rotate to be close to or far away from the ground side.

2. The foot pedal assembly according to claim 1, wherein the support mechanism (23) further comprises a connecting rod (232), one end of the connecting rod (232) is rotatably connected to the moving rod (224), and the other end of the connecting rod (232) is rotatably connected to the supporting frame (233).

3. The foot pedal assembly according to claim 2, wherein the support bracket (233) comprises a connection body (2331) and a support body (2332); the end of the supporting body (2332) far away from the connecting body (2331) is provided as the supporting end;

the connecting body (2331) is rotationally connected with the guide rod (231), and the connecting body (2331) is fixedly connected with the supporting body (2332); or (b)

The connecting body (2331) is fixedly connected with the guide rod (231), and the connecting body (2331) is rotatably connected with the supporting body (2332).

4. A pedal assembly according to claim 3, wherein the guide rods (231) and the connecting rods (232) are provided in two, respectively, the connecting body (2331) being provided between the two guide rods (231); the support bodies (2332) are arranged at intervals, the two support bodies (2332) are arranged at intervals, and the support bodies (2332) and the connecting rods (232) are correspondingly connected.

5. The foot pedal assembly according to claim 4, wherein the travel bar (224) has a first position state and a second position state;

in the first position state, the moving rod (224) is positioned at an initial driving position or a reset limit position of the driving piece (221);

in the second position state, the moving rod (224) is positioned at a stroke limit position or a reset initial position driven by the driving piece (221);

when the movable rod (224) is in the first position state, for the connecting rod (232) and the supporting body (2332) which are correspondingly connected, on a plane perpendicular to the rotation axes of the connecting rod (232) and the supporting body (2332), the obtuse angle formed by the projection formed by the extension direction of the connecting rod (232) and the extension direction of the supporting body (2332) on the plane is set to be 175-177 degrees, and the tip formed by the connecting rod (232) and the supporting body (2332) is arranged towards the ground side.

6. The foot pedal assembly according to any one of claims 2-5, further comprising a support wheel (24), wherein the support mechanism (23) further comprises a second adapter (235), wherein the support wheel (24) is sleeved on the second adapter (235), one end of the second adapter (235) is rotatably connected with the connecting rod (232), the other end of the second adapter (235) is rotatably connected with the supporting frame (233), and the support wheel (24) is arranged between the connecting rod (232) and the supporting frame (233); the supporting wheel (24) and the second adapter (235) are fixedly connected or rotatably connected.

7. The foot pedal assembly according to claim 1, wherein the support plate (21) comprises a mounting cover (211) and a connecting cover (212) which are detachably connected, the driving member (221) is fixedly arranged in the mounting cover (211), the supporting mechanism (23) is arranged in the connecting cover (212), and a avoidance groove which is suitable for accommodating the rotation of the supporting end of the supporting frame (233) is arranged on the connecting cover (212); and/or

The guide rod (231) is provided with a guide groove (2311), and the guide groove (2311) and the moving rod (224) are arranged in a sliding mode.

8. The foot pedal assembly according to claim 7, characterized in that the driving mechanism (22) further comprises a speed reducer (222) and a transmission structure, the speed reducer (222) is fixed in the bearing plate (21), the speed reducer (222) is arranged at the output end of the driving piece (221), the transmission structure comprises a transmission screw (223) and a screw slider, the transmission screw (223) is fixedly connected at the output end of the speed reducer (222), the screw slider is fixed on the moving rod (224), and the extending direction of the transmission screw (223) and the guiding direction of the guiding groove (2311) are arranged in parallel; the transmission screw rod (223) is in transmission connection with the screw rod sliding block so as to drive the movable rod (224) to slide in a reciprocating manner; and/or

The driving mechanism (22) further comprises a limiting sleeve (225), the limiting sleeve (225) is mounted at the end part of the moving rod (224), and the limiting sleeve (225) and the guide groove (2311) are slidably arranged.

9. A seat, comprising:

the seat framework assembly is suitable for being connected with the frame;

and a foot pedal assembly as defined in any one of claims 1-8; the footrest assembly is reversibly mounted to the seat frame assembly.

10. The seat according to claim 9, wherein the seat frame assembly comprises a seat frame (11) and a mounting assembly (12); the mounting assembly (12) comprises a mounting seat (121), a mounting shaft (122) and a locking piece (123), the mounting seat (121) is fixedly connected to the chair frame (11), the mounting shaft (122) and the mounting seat (121) are rotatably configured, and the pedal assembly is fixedly connected with the mounting shaft (122); the locking piece (123) is sleeved on the mounting shaft (122) so as to lock and fix the pedal assembly on the mounting shaft (122).