Foot support assembly and vehicle

Abstract

The utility model provides a foot support assembly and a vehicle. The foot support assembly comprises a mounting seat, a foot support rotationally arranged on the mounting seat, a driving part arranged on the mounting seat and a speed reducing mechanism arranged between the driving part and the foot support. The mounting seat is used for mounting the foot support assembly on an external carrier, the driving part is used for outputting rotating power, the speed reducing mechanism comprises a first-stage worm and gear assembly and a second-stage worm and gear assembly which are in transmission connection, a worm of the first-stage worm and gear assembly is arranged on a driving shaft of the driving part, a worm of the second-stage worm and gear assembly is rotationally arranged on the mounting seat, and the driving part is used for driving the second-stage worm and gear assembly to rotate. A worm gear of the first-stage worm and gear assembly is arranged on a worm of the second-stage worm and gear assembly, and a worm gear of the second-stage worm and gear assembly is arranged on a rotating shaft of the foot support. According to the foot support assembly, small torque of the driving part can be converted into large torque, so that the requirement for the driving part can be lowered, and the occupied space of the foot support assembly can be reduced; and moreover, the foot support can be self-locked at any angle, so that the use comfort of the foot support can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, in particular to a footrest assembly. Meanwhile, the utility model also relates to a vehicle provided with the footrest assembly. Background Art

[0002] In order not to affect the passengers in the back row, the front passenger seat cannot adjust the seat to a larger position, and the backrest cannot be adjusted to a larger angle, so the footrest on the seat cannot provide comfortable support for the legs. Therefore, in order to allow the front passenger seat to sit comfortably and provide support for the feet, a footrest mechanism can be set at the location where the vehicle's glove box was originally set. However, whether it is a footrest that comes with the seat or a footrest that is set at the original location of the glove box, they usually have the disadvantages of requiring manual operation, lack of convenience, and the inability to self-lock at any angle, which reduces the comfort of use. Utility Model Content

[0003] In view of this, the utility model aims to provide a footrest assembly, which can self-lock the footrest at any angle according to needs, thereby improving the comfort of use.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A footrest assembly comprises a mounting seat, a footrest rotatably mounted on the mounting seat, a driving part mounted on the mounting seat, and a speed reduction mechanism disposed between the driving part and the footrest;

[0006] The mounting seat is used to mount the footrest assembly on an external carrier, the driving part is used to output rotational power, the reduction mechanism includes a primary worm gear assembly and a secondary worm gear assembly which are transmission-connected, and the worm of the primary worm gear assembly is arranged on the driving shaft of the driving part, the worm of the secondary worm gear assembly is rotatingly arranged on the mounting seat, the worm wheel of the primary worm gear assembly is arranged on the worm of the secondary worm gear assembly, and the worm wheel of the secondary worm gear assembly is arranged on the rotating shaft of the footrest.

[0007] Furthermore, the footrest has two connecting arms arranged opposite to each other, the two connecting arms are provided with the rotating shaft, and the worm wheel of the two-stage worm gear assembly is provided on one of the rotating shafts;

[0008] At least one of the connecting arms is provided with limiting arms located on both sides of the rotating shaft, and the limiting arms are used to abut against the mounting seat to limit the rotation angle of the footrest.

[0009] Furthermore, each of the rotating shafts is sleeved with a lubricating sleeve and is mounted on the mounting seat through the lubricating sleeve;

[0010] A limiting unit is provided between the lubricating sleeve and the mounting seat, and the limiting unit is used to limit the rotation of the lubricating sleeve relative to the mounting seat.

[0011] Furthermore, the mounting seat includes a seat body and a cover plate disposed on the seat body;

[0012] The seat body is provided with a mounting cavity as described above, the speed reduction mechanism is arranged in the mounting cavity, and the cover plate shields at least a portion of the speed reduction mechanism.

[0013] Furthermore, the footrest includes a main body arranged on the mounting seat, and an extension body arranged on the main body;

[0014] A limiting portion is provided between the main body and the extension body, and the limiting portion limits the extension body to an initial state of extending forward relative to the main body, and the extension body is driven to overcome the limitation of the limiting portion and slide backward relative to the main body.

[0015] Furthermore, the limiting portion includes a limiting protrusion provided on the main body and a limiting surface provided on the extension body;

[0016] The limiting surface abuts against the limiting protrusion and limits the extension body to an initial state of extending forward relative to the main body.

[0017] Furthermore, a limit block is detachably provided on the extension body, and the limit surface is provided on the limit block;

[0018] The limiting block is provided with a guiding portion, and the guiding portion is used to guide the limiting block to pass over the limiting protrusion.

[0019] Furthermore, the limiting block has an abutting protrusion protruding toward one side of the main body, and the abutting protrusion abuts against the limiting protrusion;

[0020] The guide portion is arranged on the abutting protrusion.

[0021] Furthermore, a guide portion is provided between the main body and the extension body, and the guide portion is used to guide the extension body to slide relative to the main body;

[0022] The guide portion includes a guide groove provided on the main body and a guide post provided on the extension body. The guide post is inserted into the guide groove, and in the initial state, the guide post abuts against the front end of the guide groove.

[0023] Compared with the prior art, the utility model has the following advantages:

[0024] The footrest assembly described in the utility model can convert the small torque of the driving part into a large torque by rotating the footrest on the mounting seat and arranging a reduction mechanism between the driving part and the footrest, thereby eliminating the need for the driving part to directly output a large torque driving force, reducing the restrictions on the driving part and reducing the space occupied by the driving part; and the reduction mechanism includes a primary worm gear assembly and a secondary worm gear assembly that are connected in transmission, which can utilize the advantages of the worm gear mechanism to self-lock the footrest at any angle, so that the passenger can rotate the footrest to any angle as needed, thereby improving the comfort of use of the footrest.

[0025] In addition, by providing two connecting arms on the footrest, it is convenient to install the footrest on the mounting seat, and a limit block is provided on at least one of the connecting arms to limit the rotation angle of the footrest, so as to prevent the footrest from rotating excessively and interfering with other components. A mounting cavity for accommodating the speed reduction mechanism is provided on the seat body, and a cover plate for shielding the speed reduction mechanism is provided, so as to avoid the speed reduction mechanism from being exposed, which not only improves the overall aesthetics, but also prevents external impurities from entering the speed reduction mechanism and affecting the transmission effect of the speed reduction mechanism.

[0026] Secondly, the footrest includes a main body and an extension body, and a limiting portion is provided between the two, which can not only limit the extension body to an initial state of extending forward relative to the main body, but also support the feet of the passenger to improve the passenger's riding comfort; at the same time, when the footrest is impacted by external force, it can drive the extension body to slide backward relative to the main body to collapse and protect the safety of the passenger's legs, thereby reducing damage to the passenger's legs and improving riding safety.

[0027] In addition, the limiting part includes a limiting protrusion provided on the main body and a limiting surface provided on the extension body, and the structure is simple and easy to design and implement. By detachably providing the limiting block on the extension body, it is convenient to repair and replace the limiting block after it is worn, and the replacement cost can be reduced; the provision of the guide part facilitates the limiting block to pass over the limiting protrusion, which is conducive to the sliding and shrinking of the extension body. By providing the abutting protrusion on the limiting block, and the abutting protrusion abuts against the limiting protrusion, the contact area between the limiting block and the limiting protrusion can be reduced, and the resistance of the limiting block passing over the limiting protrusion can be reduced, which is further conducive to the sliding and shrinking of the extension body, thereby better protecting the passengers.

[0028] In addition, by providing a guide groove on the main body and a guide column inserted into the guide groove on the extension body, not only can the extension body be guided to slide relative to the main body and its sliding smoothness be improved; at the same time, in the initial state, the guide column abuts against the front end of the guide groove, which can effectively prevent the extension body from shaking forward relative to the main body, thereby improving the stability of the extension body in the initial state and the support stability for the passenger's feet.

[0029] Another object of the present invention is to provide a vehicle, on which the footrest assembly as described above is provided.

[0030] The vehicle described in the utility model has all the beneficial effects of the above-mentioned footrest assembly, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0032] Figure 1 It is a structural schematic diagram of the footrest assembly according to an embodiment of the utility model;

[0033] Figure 2 It is a structural schematic diagram of the footrest assembly according to an embodiment of the utility model from another viewing angle;

[0034] Figure 3 It is a cross-sectional view of the footrest assembly described in the embodiment of the utility model;

[0035] Figure 4 It is a cross-sectional view of a partial structure of the footrest assembly according to an embodiment of the utility model;

[0036] Figure 5 It is a partial structural schematic diagram of the footrest assembly according to the embodiment of the utility model;

[0037] Figure 6 It is an exploded view of the partial structure of the footrest assembly according to the embodiment of the utility model;

[0038] Figure 7 It is an exploded view of the partial structure of the footrest assembly according to the embodiment of the utility model;

[0039] Figure 8 This is a schematic diagram of the structure of the mounting base according to an embodiment of the utility model;

[0040] Fig. 9 It is a structural schematic diagram of a fixing seat, a motor and a worm of a primary worm gear assembly according to an embodiment of the utility model;

[0041] Fig.10 This is a structural schematic diagram of the footrest according to an embodiment of the utility model;

[0042] Fig.11 This is an exploded view of the footrest according to an embodiment of the utility model;

[0043] Fig.12 It is a cross-sectional view of a partial structure of a footrest according to an embodiment of the utility model;

[0044] Fig.13 It is a structural schematic diagram of the main body described in the embodiment of the utility model;

[0045] Fig.14 It is a schematic structural diagram of the main body described in the embodiment of the utility model from another viewing angle;

[0046] Fig.15 It is a structural schematic diagram of the extension body described in an embodiment of the utility model;

[0047] Fig.16 It is a schematic structural diagram of the extension body described in the embodiment of the utility model at another viewing angle;

[0048] Fig.17 This is a schematic diagram of the structure of the slider according to an embodiment of the utility model;

[0049] Fig.18 It is a schematic structural diagram of the limit block described in an embodiment of the utility model.

[0050] Description of reference numerals:

[0051] 1. Footrest; 2. Seat body; 3. Cover plate; 4. Worm wheel of secondary worm gear assembly; 5. Worm of secondary worm gear assembly; 6. Third lubricating sleeve; 7. Worm wheel of primary worm gear assembly; 8. Worm of primary worm gear assembly; 9. Second lubricating sleeve; 10. Rotating shaft; 11. Fourth lubricating sleeve; 12. Left lubricating sleeve; 13. Circlip; 14. Right lubricating sleeve; 15. Motor; 16. Fixed seat; 17. Plug cover; 18. Fifth lubricating sleeve;

[0052] 1a, main body; 1b, extension body;

[0053] 101, connecting arm; 102, limiting arm; 103, guide groove; 104, guide column; 105, slider; 106, slide groove; 107, limiting block; 108, limiting protrusion; 109, mounting column;

[0054] 1051. Sliding protrusion; 1071. Abutting protrusion; 1072. Guide portion.

[0055] 201, mounting cavity; 202, shaft hole; 203, groove; 204, limiting rib; 205, jack; 206, fixing groove;

[0056] 1201, convex rib; 1401, limiting groove. DETAILED DESCRIPTION

[0057] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0058] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0059] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0060] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0061] The present embodiment relates to a footrest assembly, which overall comprises a mounting seat, a footrest 1 rotatably mounted on the mounting seat, a driving portion mounted on the mounting seat, and a speed reduction mechanism disposed between the driving portion and the footrest 1.

[0062] Among them, the mounting seat is used to install the foot rest assembly on an external carrier, the driving part is used to output rotational power, the reduction mechanism includes a first-stage worm gear assembly and a second-stage worm gear assembly that are transmission-connected, and the worm 8 of the first-stage worm gear assembly is arranged on the driving shaft of the driving part, the worm 5 of the second-stage worm gear assembly is rotatably arranged on the mounting seat, the worm wheel 7 of the first-stage worm gear assembly is arranged on the worm 5 of the second-stage worm gear assembly, and the worm wheel 4 of the second-stage worm gear assembly is arranged on the rotating shaft 10 of the foot rest 1.

[0063] The footrest assembly of this embodiment can convert the small torque of the driving part into a large torque by rotating the footrest 1 on the mounting seat and arranging a speed reduction mechanism between the driving part and the footrest 1, so that the driving part does not need to directly output a large torque driving force, which can reduce the restrictions on the driving part and reduce its occupied space. The speed reduction mechanism includes a primary worm gear assembly and a secondary worm gear assembly that are connected in a transmission manner, and can utilize the advantages of the worm gear mechanism to self-lock the footrest 1 at any angle, so that the passenger can rotate the footrest 1 to any angle according to needs, which can improve the comfort of the footrest 1.

[0064] Based on the above overall description, an exemplary structure of the footrest assembly of this embodiment is referred to as Figures 1 to 5As shown in , in a specific application, the footrest assembly can be installed on the dashboard of the vehicle according to the use requirements. In addition, the footrest 1 can be specifically installed at the position where the glove box is set on the existing dashboard, so that the passenger in the front passenger seat can support the feet on the footrest 1, so that the passenger in the front passenger seat can stretch his legs and improve the riding comfort. It can be understood that in addition to installing the footrest 1 on the dashboard of the vehicle, it can also be installed on other parts of the vehicle as needed, and the footrest 1 can also be installed on other equipment, which is not specifically limited here.

[0065] Among them, an exemplary structure of the mounting seat is referred to as Figure 1 , Figure 7 and Figure 8 As shown in , the overall shape is generally rectangular, and includes a seat body 2, and a cover plate 3 disposed on the seat body 2. In addition, the seat body 2 is provided with a mounting cavity 201, the speed reduction mechanism is disposed in the mounting cavity 201, and the cover plate 3 shields at least part of the speed reduction mechanism. Such a configuration can avoid the speed reduction mechanism from being exposed, which not only improves the overall aesthetics, but also prevents external impurities from entering the speed reduction mechanism and affecting the transmission effect of the speed reduction mechanism.

[0066] Specifically, if Figure 3 and Figure 5 As shown in , the worm wheel 7 of the primary worm gear assembly and the secondary worm gear assembly are arranged in the mounting cavity 201. In addition, as Figure 8 As shown in FIG, a fixing groove 206 is provided in the middle of the seat body 2, and the fixing groove 206 is used for installing Fig. 9 The fixing seat 16 shown in the figure, the driving part of this embodiment is installed on the seat body 2 through the fixing seat 16. In addition, in order to improve the installation efficiency, a positioning part is provided between the seat body 2 and the fixing seat 16, and the positioning part can adopt a conventional structure.

[0067] As a specific embodiment, Figure 8 As shown in , the positioning part of this embodiment includes a positioning column provided on the seat body 2, and a positioning hole corresponding to the positioning column provided on the fixing seat 16. In addition, in order to facilitate maintenance of the driving part, the fixing seat 16 of this embodiment is screwed to the seat body 2 by bolts. Moreover, in order to facilitate design and implementation, the driving part of this embodiment specifically adopts a motor 15.

[0068] like Figure 8 As shown in the figure, the mounting cavity 201 of the present embodiment is arranged adjacent to the fixing groove 206, and a fixing hole for fixing the cover plate 3 is arranged at the groove. In addition, in order to improve the setting stability of the worm 8 of the primary worm gear assembly, as shown in the figure, Figure 7As shown in FIG. 1 , the seat body 2 is provided with a socket 205 for inserting one end of the worm 8. In addition, in order to improve the smoothness of the rotation of the worm 8, the worm 8 is arranged in the socket 205 through a right lubricating sleeve 14 made of a common self-lubricating material. Figure 3 and Figure 5 As shown in FIG. 2 , the mounting cavity 201 has an opening communicating with the fixing groove 206 , and the opening is used for the worm 8 of the primary worm gear assembly to extend out to cooperate with the corresponding worm.

[0069] At this time, in order to improve the rotation smoothness of the worm 5 of the secondary worm gear assembly, Figure 7 and Figure 8 As shown in the figure, mounting grooves are respectively provided at the bottom of the cover plate 3 and the mounting cavity 201, and the two mounting grooves are used to install the second lubricating sleeve 9 and the third lubricating sleeve 6 respectively. The worm 5 of the two-stage worm gear assembly of this embodiment is inserted into the second lubricating sleeve 9 and the third lubricating sleeve 6. Among them, the second lubricating sleeve 9 and the third lubricating sleeve 6 can also be made of self-lubricating materials commonly used in the prior art. The worm wheel 4 of the two-stage worm gear assembly is arranged on the rotating shaft 10 of one connecting arm 101 thereof.

[0070] To facilitate the connection between the footrest 1 and the mounting seat, as Figure 1 and Fig.10 and Fig.11 As shown in , the footrest 1 of this embodiment has two connecting arms 101 arranged opposite to each other, and the two connecting arms 101 are both provided with a rotating shaft 10, and the worm wheel 4 of the two-stage worm gear assembly is provided on one of the rotating shafts 10. In addition, at least one of the connecting arms 101 is provided with a limiting arm 102 located on both sides of the rotating shaft 10, and the limiting arm 102 is used to abut against the mounting seat to limit the rotation angle of the footrest 1.

[0071] Therefore, if Figure 2 As shown in , during use, one of the limit arms 102 (shown by the solid line) can abut against an external carrier (such as a dashboard of a vehicle) when the footrest 1 rotates clockwise, while the other limit arm 102 (shown by the dotted line) can abut against an external carrier (such as a dashboard of a vehicle) when the footrest 1 rotates counterclockwise, thereby limiting the rotation angle of the footrest 1, thereby preventing the footrest 1 from excessively rotating and interfering with other components. In addition, in order to improve the smoothness of the rotation of the footrest 1, each rotating shaft 10 is provided with a lubricating sleeve on the outside, and is provided on the mounting seat through the lubricating sleeve. At the same time, a limit unit is provided between the lubricating sleeve and the mounting seat, and the limit unit is used to limit the rotation of the lubricating sleeve relative to the mounting seat.

[0072] Specifically, combined with Figures 7 to 11 As shown in, and for ease of explanation, based on Fig. 9In the state shown, the connecting arm 101 on the left is called the "left connecting arm 101", and the connecting arm 101 on the right is called the "right connecting arm 101". Correspondingly, the lubricating sleeve on the rotating shaft 10 of the left connecting arm 101 is called the "left lubricating sleeve 12", and the lubricating sleeve on the rotating shaft 10 of the right connecting arm 101 is called the "right lubricating sleeve 14". In addition, in order to improve the use effect of the foot rest 1, as a preferred embodiment, limit blocks 107 are provided on both connecting arms 101. Combined with Fig.10 and Fig.11 As shown in , as a specific embodiment, the rotating shaft 10 of the left connecting arm 101 is detachably arranged on the left connecting arm 101 by bolts. The rotating shaft 10 on the right connecting arm 101 is integrally formed with the right connecting arm 101, and the rotating shaft 10 is convexly arranged on both sides of the right connecting arm 101.

[0073] Correspondingly, if Figure 7 and Figure 8 As shown in FIG, a left notch and a right notch are respectively provided at both ends of the seat body 2, and the notch at each end is used for the connecting arm 101 at the corresponding end to be inserted. Figure 7 As shown in the state, the seat body 2 is also provided with grooves 203 located on both sides of the right notch, and plugging covers 17 for blocking each groove 203. The groove 203 is used to install the right lubricating sleeve 14, and the rotating shaft 10 on the right connecting arm 101 is inserted into the right lubricating sleeve 14 and rotatably arranged on the seat body 2 through the right lubricating sleeve 14.

[0074] The structure of the right lubricating sleeve 14 of this embodiment is as follows Figure 7 As shown in , it is rectangular or square in shape as a whole, and a through-going shaft hole 202 is provided in the middle thereof. At the same time, a limiting groove 1401 is provided on the outer wall of the right lubricating sleeve 14, and correspondingly, a limiting rib 204 matching the limiting groove 1401 is provided on the seat body 2, and the limiting member and the limiting groove 1401 constitute a limiting unit for limiting the rotation of the right lubricating sleeve 14 relative to the mounting seat. Therefore, after the rotating shaft 10 on the right connecting arm 101 is inserted into the right lubricating sleeve 14, the right lubricating sleeve 14 is inserted into the groove 203, and the limiting rib 204 on the seat body 2 is inserted into the limiting groove 1401, and the groove 203 is blocked by a blocking plate, the rotation connection between the right connecting arm 101 and the mounting seat can be realized.

[0075] At this time, in order to realize the rotation connection between the left connecting arm 101 and the mounting seat, the left connecting arm 101 is connected to the mounting seat by the Figure 6 and Figure 7 As shown in the figure, the shaft hole 202 and the embedding groove are respectively provided on both sides of the left notch, and the notch direction of the embedding groove is arranged along the axial direction of the shaft hole 202, and is used to embed the left lubricating sleeve 12. Among them, the rotating shaft 10 on the left connecting arm 101 is inserted into the left lubricating sleeve 12, and is rotatably arranged on the seat body 2 through the left lubricating sleeve 12.

[0076] The structure of the left lubricating sleeve 12 of this embodiment is as follows Figure 7 As shown in , it is rectangular or square in shape as a whole, and a through-going shaft hole 202 is provided in the middle thereof. At the same time, a convex rib 1201 is provided on the outer wall of the left lubricating sleeve 12, and correspondingly, a rib groove matching the convex rib 1201 is provided on the seat body 2, and the convex rib 1201 and the rib groove constitute a limiting unit for limiting the rotation of the left lubricating sleeve 12 relative to the mounting seat.

[0077] Thus, after the left lubricating sleeve 12 is inserted into the embedding groove and the convex rib 1201 is inserted into the rib groove, the rotating shaft 10 is inserted into the left lubricating sleeve 12, and the rotating shaft 10 is connected to the left connecting arm 101. Finally, the two ends of the rotating shaft 10 are restricted from axial movement by the retaining spring 13, so that the connection between the left connecting arm 101 and the speed reduction mechanism and the mounting seat can be realized. At this time, in order to further improve the rotation smoothness of the left connecting arm 101, the fourth lubricating sleeve 11 and the fifth lubricating sleeve 18 located at the two ends of the rotating shaft 10 are also provided in the seat body 2. In specific implementation, each lubricating sleeve can be made of conventional self-lubricating materials.

[0078] In addition, as a further embodiment, in combination with 10 to Fig.12 As shown in , the footrest 1 includes a main body 1a disposed on a mounting seat, and an extension body 1b disposed on the main body 1a. In addition, a limiting portion is disposed between the main body 1a and the extension body 1b, and the limiting portion limits the extension body 1b to an initial state of extending forward relative to the main body 1a, and the extension body 1b is driven to overcome the limitation of the limiting portion and slide backward relative to the main body 1a.

[0079] The footrest 1 of this embodiment includes a main body 1a and an extension body 1b, and a limiter is provided between the two. This not only limits the extension body 1b to an initial state of being extended forward relative to the main body 1a, but also supports the passenger's feet to improve the passenger's riding comfort. At the same time, when the footrest 1 is impacted by external force, the extension body 1b can be driven to slide backward relative to the main body 1a to collapse and protect the safety of the passenger's legs, thereby reducing damage to the passenger's legs and improving riding safety. The structure of the main body 1a of this embodiment is similar to that of the main body 1a. Fig.13 and Fig.14 As shown in , the above-mentioned connecting arms 101 are specifically arranged at both ends of the width direction of the main body 1a.

[0080] The structure of the extension body 1b of this embodiment is as follows Fig.15 and Fig.16As shown in , the whole structure is a rectangular plate. In addition, in order to facilitate the sliding of the extension body 1b relative to the main body 1a, a slide groove 106 is provided on the main body 1a, and a slider 105 is provided on the extension body 1b, and the slider 105 is slidably arranged in the slide groove 106. At the same time, sliding protrusions 1051 are provided on the upper and lower sides of the slider 105, and the sliding protrusions 1051 abut against the side walls of the slide groove 106, and along the protruding direction of the sliding protrusions 1051, the top surface of the sliding protrusions 1051 is an arc surface. In this way, the displacement of the extension body 1b in the up and down directions can be limited by the abutment of the sliding protrusions 1051 against the side walls of the slide groove 106. At the same time, the sliding friction between the extension body 1b and the main body 1a is also reduced, which is conducive to the sliding collapse of the extension body 1b relative to the main body 1a, and the collapse efficiency can be improved, and the passengers can be better protected.

[0081] As a preferred embodiment, Fig.13 and Fig.14 As shown in FIG. 1 , the slide groove 106 is provided at one end of the main body 1a away from the connecting arm 101, and two slide grooves 106 are arranged opposite to each other. Fig.16 and Fig.17 As shown in , as a preferred embodiment, the slider 105 is arranged along the length direction of the extension body 1b, and its cross section is "C" shaped, and a sliding protrusion 1051 is provided on the upper side and the lower side of each slider 105. Therefore, the displacement of the extension body 1b in the up and down directions can be limited by the abutment between the sliding protrusion 1051 and the side wall of the slide groove 106. At the same time, the sliding friction between the extension body 1b and the main body 1a can also be reduced, which is conducive to the sliding collapse of the extension body 1b relative to the main body 1a.

[0082] In addition, as a further implementation, the slider 105 of this embodiment can be made of existing commonly used self-lubricating materials to further reduce the friction between the extension body 1b and the main body 1a, so as to facilitate the extension body 1b to collapse quickly under force, thereby ensuring the protection of passengers. In addition, as a preferred implementation, the slider 105 is detachably arranged on the extension body 1b, and can be specifically connected to the extension body 1b in the form of screw connection. This design makes it easy to repair and replace the slider 105 when it is worn, without replacing the entire extension body 1b, which helps to reduce maintenance costs.

[0083] In this embodiment, in order to further improve the sliding smoothness of the extension body 1b, as a preferred embodiment, a guide portion is provided between the main body 1a and the extension body 1b, and the guide portion is used to guide the extension body 1b to slide relative to the main body 1a. The guide portion includes a guide groove 103 provided on one of the main body 1a and the extension body 1b, and a guide column 104 provided on the other of the main body 1a and the extension body 1b. The guide column 104 is inserted into the guide groove 103, and in the initial state, the guide column 104 abuts against the front end of the guide groove 103.

[0084] By providing the guide groove 103 on the main body 1a and the guide post 104 inserted into the guide groove 103 on the extension body 1b, not only the displacement of the extension body 1b in the width direction can be limited, but also the extension body 1b can be guided to slide relative to the main body 1a, thereby improving its sliding smoothness. At the same time, in the initial state, the guide post 104 abuts against the front end of the guide groove 103, which can effectively prevent the extension body 1b from shaking forward relative to the main body 1a, maintain the stability of the extension body 1b in the initial state, and improve the support stability for the passenger's feet.

[0085] It should be noted that, in addition to the method of using the guide column 104 to abut against the front end of the guide groove 103 to prevent the extension body 1b from shaking forward relative to the main body 1a, other methods can also be used. For example, a stopper that abuts against the main body 1a can be provided at the rear end of the extension body 1b to prevent the extension body 1b from shaking toward the front end of the main body 1a. This structure can also maintain the stability of the extension body 1b in the initial state. In addition, in order to improve the connection firmness between the extension body 1b and the main body 1a, the guide column 104 of this embodiment is in a "T" shape as a whole, which can limit the extension body 1b from separating from the main body 1a.

[0086] In addition, as a preferred embodiment, the guide post 104 is detachably arranged on the extension body 1b. Fig.16 As shown in the figure, the extension body 1b is provided with mounting posts 109 corresponding to the guide posts 104, and a threaded hole is provided in each mounting post 109, and each guide post 104 is screwed into the corresponding mounting post 109. Of course, in addition to screwing each guide post 104 into the mounting post 109, it can also be installed on the extension body 1b by welding or other conventional methods.

[0087] Based on the above description, as a preferred embodiment, the limiting portion of this embodiment includes a limiting protrusion 108 provided on the main body 1a, and a limiting surface provided on the extension body 1b. Moreover, the limiting surface abuts against the limiting protrusion 108 and limits the extension body 1b to an initial state of extending forward relative to the main body 1a. Figures 13 to 16 As shown in , as a specific embodiment, the limiting protrusion 108 is provided at the bottom of the main body 1a, and the extension body 1b is detachably provided with a limiting block 107, and the limiting surface is provided on the limiting block 107. In addition, a guide portion 1072 is provided on the limiting block 107, and the guide portion 1072 is used to guide the limiting block 107 to pass over the limiting protrusion 108. The provision of the guide portion 1072 facilitates the limiting block 107 to pass over the limiting protrusion 108, which is conducive to the sliding collapse of the extension body 1b.

[0088] As a further embodiment, in combination Fig.12 and Fig.14As shown in , along the protruding direction of the limiting protrusion 108, the top of the limiting protrusion 108 is in an arc shape. In this embodiment, the top surface of the limiting protrusion 108 is set as an arc surface, which is relatively smooth, which can facilitate the extension body 1b to pass over the limiting protrusion 108 and facilitate the sliding and shrinking of the extension body 1b. In addition, in order to further maintain the stability of the extension body 1b in the initial state, the limiting protrusion 108 of this embodiment is preferably set as a plurality of spaced apart along the width direction of the main body 1a, for example, Fig.14 In addition, as a preferred embodiment, the limiting protrusion 108 is arranged corresponding to the guide groove 103 and is arranged adjacent to the guide groove 103 to prevent the extension body 1b from deflecting and not passing over the limiting protrusion 108.

[0089] Combination Fig.12 , Fig.15 and Fig.18 As shown in , as a further embodiment, the limit block 107 has a contact protrusion 1071 protruding toward one side of the main body 1a, the contact protrusion 1071 contacts the limit protrusion 108, and the guide portion 1072 is specifically provided on the contact protrusion 1071. Moreover, the guide portion 1072 is specifically an inclined surface or an arc surface provided on the contact block. In this way, the contact area between the limit block 107 and the limit protrusion 108 can be reduced, and the resistance of the limit block 107 crossing the limit protrusion 108 can be reduced, which is further conducive to the sliding collapse of the extension body 1b, so as to better protect the passengers.

[0090] In addition, the stop block 107 is made of plastic, which has shrinkage when impacted, so that it can easily pass over the stop protrusion 108, and can also reduce the abnormal sound caused by the impact with the stop protrusion 108. By detachably arranging the stop block 107 on the extension body 1b, it can be convenient to repair and replace the stop block 107 after it is worn, which can reduce the replacement cost.

[0091] Finally, it is worth noting that the limiting portion of this embodiment includes not only the limiting protrusion 108 and the upper limit surface of the limiting block 107, but also the limiting protrusion 108 provided on one of the main body 1a and the extension body 1b, and the limiting groove 1401 provided on the other of the main body 1a and the extension body 1b.

[0092] When the footrest assembly of this embodiment is specifically installed, the lower end of the worm 5 of the secondary worm gear assembly can be installed in the center hole of the worm wheel 7 of the primary worm gear assembly, and then the worm wheel 7 of the primary worm gear assembly and the worm wheel 4 of the secondary worm gear assembly are placed in the installation cavity 201. Then, the right connecting arm 101 with the right lubricating sleeve 14 installed is placed in the grooves 203 on both sides of the right notch. During installation, the limiting groove 1401 on the right lubricating sleeve 14 needs to be inserted into the limiting rib 204 of the seat body 2, and then the rotating shaft 10 of the left connecting arm 101 is passed through the worm wheel 4 of the secondary worm gear assembly from the shaft hole 202 in sequence, and then the retaining springs 13 on both sides are clamped into the rotating shaft 10 to limit its axial movement.

[0093] Then, install the second lubricating sleeve 9 in the hole at the bottom of the installation cavity 201, and at the same time, match the middle hole of the second lubricating sleeve 9 with the worm 5 of the secondary worm gear assembly. Then match the cover plate 3 with the third lubricating sleeve 6 installed with the worm 5 of the secondary worm gear assembly, and then put the two plugging covers 17 on the groove 203 and fix them with bolts. Finally, place the motor 15 in the fixing groove 206, and at the same time connect the worm wheel 7 of the primary worm gear assembly with the teeth of the worm 5 of the secondary worm gear assembly, and finally fix the motor 15 with bolts.

[0094] The footrest assembly of this embodiment, by adopting the above structure, can output a high torque driving force through a low torque motor 15, which can reduce the requirements for the motor 15, thereby reducing the occupied space. In addition, since the reduction mechanism adopts a worm gear structure, the footrest 1 can stop at any position when rotating, and can achieve a self-locking function, so that the passenger can rotate the footrest 1 to any angle according to needs, which can improve the comfort of use. At the same time, due to the setting of the limit block 107, the footrest 1 can be better maintained in the position through its contact with the mounting seat. Figure 2 The solid line shows the usage state, and the dotted line shows the storage state.

[0095] In addition, during use, when the footrest 1 is impacted by external force, the extension body 1b can be driven to slide backward relative to the main body 1a to collapse and protect the safety of the passenger's legs, thereby reducing damage to the passenger's legs and improving riding safety.

[0096] In addition, the present embodiment also relates to a vehicle, on which the above footrest assembly is provided.

[0097] In the specific implementation, the footrest assembly can be arranged at the position where the glove box is arranged on the existing instrument panel according to the design requirements. Of course, other positions can also be arranged.

[0098] The vehicle of this embodiment has all the beneficial effects of the above-mentioned footrest assembly, which will not be described in detail here. The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A footrest assembly, characterized in that: It comprises a mounting seat, a footrest (1) rotatably mounted on the mounting seat, a driving unit mounted on the mounting seat, and a speed reduction mechanism mounted between the driving unit and the footrest (1); The mounting seat is used to mount the footrest assembly on an external carrier, the driving part is used to output rotational power, the reduction mechanism includes a primary worm gear assembly and a secondary worm gear assembly which are connected in transmission, and the worm (8) of the primary worm gear assembly is arranged on the driving shaft of the driving part, the worm (5) of the secondary worm gear assembly is rotatably arranged on the mounting seat, the worm wheel (7) of the primary worm gear assembly is arranged on the worm (5) of the secondary worm gear assembly, and the worm wheel (4) of the secondary worm gear assembly is arranged on the rotating shaft (10) of the footrest (1).

2. The footrest assembly according to claim 1, characterized in that: The footrest (1) has two connecting arms (101) arranged opposite to each other, the two connecting arms (101) are both provided with the rotating shaft (10), and the worm wheel (4) of the two-stage worm gear assembly is provided on one of the rotating shafts (10); At least one of the connecting arms (101) is provided with limiting arms (102) located on both sides of the rotating shaft (10), and the limiting arms (102) are used to abut against the mounting seat to limit the rotation angle of the footrest (1).

3. The footrest assembly according to claim 2, characterized in that: Each of the rotating shafts (10) is provided with a lubricating sleeve on the outside and is arranged on the mounting seat through the lubricating sleeve; A limiting unit is provided between the lubricating sleeve and the mounting seat, and the limiting unit is used to limit the rotation of the lubricating sleeve relative to the mounting seat.

4. The footrest assembly according to claim 1, characterized in that: The mounting seat comprises a seat body (2) and a cover plate (3) arranged on the seat body (2); The seat body (2) is provided with a mounting cavity (201), the speed reduction mechanism is arranged in the mounting cavity (201), and the cover plate (3) shields at least a portion of the speed reduction mechanism.

5. The footrest assembly according to any one of claims 1 to 4, characterized in that: The footrest (1) comprises a main body (1a) arranged on a mounting seat, and an extension body (1b) arranged on the main body (1a); A limiting portion is provided between the main body (1a) and the extension body (1b), and the limiting portion limits the extension body (1b) to an initial state of extending forward relative to the main body (1a), and the extension body (1b) is driven to overcome the limitation of the limiting portion and slide backward relative to the main body (1a).

6. The footrest assembly according to claim 5, characterized in that: The limiting portion comprises a limiting protrusion (108) provided on the main body (1a), and a limiting surface provided on the extension body (1b); The limiting surface abuts against the limiting protrusion (108) and limits the extension body (1b) to an initial state of extending forward relative to the main body (1a).

7. The footrest assembly according to claim 6, characterized in that: The extension body (1b) is detachably provided with a limit block (107), and the limit surface is provided on the limit block (107); The limiting block (107) is provided with a guiding portion (1072), and the guiding portion (1072) is used to guide the limiting block (107) to pass over the limiting protrusion (108).

8. The footrest assembly according to claim 7, characterized in that: The limiting block (107) has an abutting protrusion (1071) protruding toward one side of the main body (1a), and the abutting protrusion (1071) abuts against the limiting protrusion (108); The guide portion (1072) is disposed on the abutting protrusion (1071).

9. The footrest assembly according to claim 5, characterized in that: A guide portion is provided between the main body (1a) and the extension body (1b), and the guide portion is used to guide the extension body (1b) to slide relative to the main body (1a); The guide portion comprises a guide groove (103) provided on the main body (1a), and a guide column (104) provided on the extension body (1b); the guide column (104) is inserted into the guide groove (103), and in the initial state, the guide column (104) abuts against the front end of the guide groove (103).

10. A vehicle, characterized in that: The vehicle is provided with a footrest assembly according to any one of claims 1 to 9.

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