Foot support positioning device
Through the design of positioning components and adjustment mechanism, the problem of shaking and offset of the footrest during use of the car seat is solved, and the stable positioning and length adjustment of the footrest is achieved, which improves riding comfort and simplifies the structure, reduces costs and improves the appearance aesthetics.
Patent Information
- Application Number
- CN202422455039.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-11
AI Technical Summary
The existing car seat footrests are easily shaken or offset during use, affecting riding comfort, and have complex structure, high cost, and are not beautiful in appearance, and are easily touched by passengers after installation.
The positioning assembly and adjustment mechanism are adopted, and the first gear and the second gear are meshed and fixed the rotating shaft, combined with the cylinder pushing the rod to be stuck between the gear teeth, and the two-axis motor drives the bevel gear and threaded rod to achieve stable positioning and length adjustment of the foot support.
The stable positioning of the footrest during the car is achieved, which improves passengers' comfort during long-distance travel or long-driving, simplifies the structure, reduces material costs and improves the aesthetics of the appearance.
Smart Images

Figure CN223131891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of footrest brackets, and more specifically, to a footrest positioning device. Background Art
[0002] The footrest board in an automobile is a product installed on an automobile seat, belonging to the modification of automobile interior or the modification of automobile functions. With the increasing pursuit of people for the living standard, in order to improve the riding comfort, people install an automobile footrest board on the automobile seat inside the vehicle. In the case of taking an automobile for a long time, the environment inside the vehicle is always not comfortable enough, and a sense of fatigue will be generated. Moreover, since there is no suitable position for the passengers' feet to be placed, the discomfort is even more increased. At this time, the automobile footrest can provide a place for the passengers to put their feet, improving the riding comfort.
[0003] When the existing footrest is unfolded, the footrest bracket is completely exposed outside, with an unattractive appearance and a complex structure. It is assembled through a multi-link structure, resulting in low assembly efficiency and high material cost. And when it is installed on the rear seat, the passengers beside are likely to touch the footrest bracket and get injured.
[0004] After retrieval, the Chinese patent with the publication number of CN215705862U discloses an automobile seat footrest board, which improves the existing automobile seat footrest board, simplifies the structure of the product, and at the same time collects the bracket inside the footrest board, optimizing the appearance of the product and making the overall structure more beautiful after assembly. When in use, the automobile seat footrest board can be directly rotated upward or adjusted in angle under an external force, while when closing, it needs to unlock the locking state through a triggering mechanism before it can be rotated and closed. The overall use is simple and convenient.
[0005] When the above-mentioned automobile seat footrest board is actually used, the existing automobile seat is not convenient for positioning the footrest, resulting in that the footrest may be prone to shaking or deviation during use, causing the passengers to need to readjust the position of the footrest again, thus affecting the riding comfort of the passengers. Summary of the Utility Model
[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a footrest positioning device to solve the problems put forward in the above background art.
[0007] To achieve the above purpose, the utility model provides the following technical solutions:
[0008] The footrest positioning device includes a base, a seat is installed on the upper surface of the base, two first support blocks are fixedly connected to one side of the base, and a positioning component is installed inside the base;
[0009] The positioning component includes a first stepping motor. A first threaded rod is fixedly connected to the output end of the first stepping motor. One end of the first threaded rod is rotatably connected to a support base. A moving block is threadedly connected to the outer side of the first threaded rod. Two first sliding rods are slidably connected to the lower surface of the moving block. Two push rods are rotatably connected to the outer side of the moving block. One end of each push rod is rotatably connected to a second support block. A first footrest is welded to one side of the second support block. A rotating shaft is fixedly connected to one end of the first footrest. A first gear is inserted on the outer side of the rotating shaft.
[0010] A second gear is rotatably connected inside the base. A cylinder is installed inside the base. A clamping rod is fixedly connected to the output end of the cylinder. The support base is fixedly connected to the inner side of the base. The first sliding rods are fixedly connected to the inner side of the base. Both ends of the rotating shaft are rotatably connected inside the first support block.
[0011] By adopting the above technical solution: The clamping rod is used to clamp between the convex teeth of the second gear, so that the second gear can be fixed, which is convenient for the second gear to fix the rotating rotating shaft through meshing with the first gear, thereby facilitating the positioning of the angle adjusted by the first footrest.
[0012] As a further description of the above technical solution: An adjusting mechanism is installed inside the first footrest. The adjusting mechanism includes a biaxial motor, which is fixedly connected to the inside of the first footrest. First bevel gears are fixedly connected to both output ends of the biaxial motor. A second bevel gear is meshed on one side of each first bevel gear. A second threaded rod is fixedly connected to the inside of the second bevel gear. The top end of the second threaded rod is rotatably connected to the inside of the biaxial motor.
[0013] By adopting the above technical solution: The biaxial motor provides a power source, which is convenient for the two first bevel gears to mesh and drive the second bevel gear to rotate, and is convenient for the second bevel gear to drive the two second threaded rods to rotate, thereby providing power for the movement of the second footrest.
[0014] A second footrest is arranged on the outer side of the second threaded rod. Two threaded grooves are formed inside the second footrest. Two sliding grooves are formed on the outer side of the second footrest. The second threaded rod is threadedly connected to the inside of the threaded grooves. Two second sliding rods are fixedly connected to the inside of the first footrest. The second sliding rods are slidably connected to the inner sides of the sliding grooves.
[0015] By adopting the above technical solution: The second sliding rods slide inside the sliding grooves, which is convenient for providing a guiding function for the movement of the second footrest and is convenient for adjusting the second footrest according to actual needs.
[0016] The technical effects and advantages of the present utility model:
[0017] 1. By setting up the positioning component, compared with the prior art, the rotating shaft is engaged with the second gear through the first gear, and then the cylinder is used to push the clamping rod to be stuck between the convex teeth of the second gear, so that the rotating shaft can be fixed through the second gear, facilitating the positioning of the adjusted first footrest. This enables the first footrest to maintain a certain stability during the driving of the vehicle, helping passengers to maintain a more comfortable sitting posture during long-distance travel or long-time driving.
[0018] 2. By setting up the adjusting mechanism, compared with the prior art, the second bevel gear can drive the second threaded rod to rotate, so that the second threaded rod drives the second footrest to extend and retract inside the first footrest through threaded connection with the thread groove, helping passengers to freely adjust the lengths of the first footrest and the second footrest according to their own height, body type and riding needs, thus improving the riding comfort. Brief Description of the Drawings
[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model.
[0020] Figure 2 It is a schematic diagram of the internal structure of the base of the present utility model.
[0021] Figure 3 It is a partial structural diagram of the connection between the first gear and the second gear of the present utility model.
[0022] Figure 4 It is a schematic diagram of the support seat structure of the present utility model.
[0023] Figure 5 It is a partial structural diagram of the connection between the rotating shaft and the first footrest of the present utility model.
[0024] Figure 6 It is a schematic diagram of the internal structures of the first footrest and the second footrest of the present utility model.
[0025] Reference numerals are: 1. Base; 2. Seat; 3. First support block; 4. First stepping motor; 5. First threaded rod; 6. Support seat; 7. Moving block; 8. First slide bar; 9. Push rod; 10. Second support block; 11. First footrest; 12. Rotating shaft; 13. First gear; 14. Second gear; 15. Cylinder; 16. Clamping rod; 17. Biaxial motor; 18. First bevel gear; 19. Second bevel gear; 20. Second threaded rod; 21. Second footrest; 22. Thread groove; 23. Chute; 24. Second slide bar. Detailed Description of the Preferred Embodiment
[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0027] The embodiment of the present application discloses a footrest positioning device, which includes a base 1. A seat 2 is installed on the upper surface of the base 1. Two first support blocks 3 are fixedly connected to one side of the base 1. A positioning component is installed inside the base 1.
[0028] The positioning component includes a first stepping motor 4. The output end of the first stepping motor 4 is fixedly connected to a first threaded rod 5. One end of the first threaded rod 5 is rotatably connected to a support seat 6. A moving block 7 is threadedly connected to the outer side of the first threaded rod 5. The lower surface of the moving block 7 is slidably connected to two first slide rods 8. Two push rods 9 are rotatably connected to the outer side of the moving block 7. One end of the push rod 9 is rotatably connected to a second support block 10. A first footrest 11 is welded to one side of the second support block 10. One end of the first footrest 11 is fixedly connected to a rotating shaft 12. A first gear 13 is inserted on the outer side of the rotating shaft 12.
[0029] A second gear 14 is rotatably connected inside the base 1. A cylinder 15 is installed inside the base 1. The output end of the cylinder 15 is fixedly connected to a clamping rod 16. The support seat 6 is fixedly connected to the inner side of the base 1. The first slide rod 8 is fixedly connected to the inner side of the base 1. Both ends of the rotating shaft 12 are rotatably connected inside the first support block 3. The first threaded rod 5 is driven to rotate by the first stepping motor 4, so that the first threaded rod 5 can drive the moving block 7 to move through the thread. The two first slide rods 8 provide a guiding function for the movement of the moving block 7, so that the moving block 7 can push the first footrest 11 to rotate through the two push rods 9, so that the first footrest 11 drives the rotating shaft 12 to rotate inside the two first support blocks 3. When the rotating shaft 12 rotates, it drives the first gear 13 to rotate and mesh with the second gear 14. Then, the cylinder 15 is used to push the clamping rod 16 to move, and the clamping rod 16 can be stuck between the convex teeth of the second gear 14, so that the second gear 14 can be fixed, which is convenient for the second gear 14 to mesh and clamp the first gear 13, so as to facilitate the fixed positioning of the adjusted first footrest 11, and enable the first footrest 11 to maintain a certain stability during the driving of the vehicle, which helps passengers maintain a more comfortable sitting posture during long-distance travel or long-time driving.
[0030] Refer to Figure 6As shown, an adjustment mechanism is installed inside the first footrest 11. The adjustment mechanism includes a biaxial motor 17, which is fixedly connected to the inside of the first footrest 11. Both output ends of the biaxial motor 17 are fixedly connected with a first bevel gear 18. One side of the first bevel gear 18 is meshed and connected with a second bevel gear 19. The second bevel gear 19 is fixedly connected with a second threaded rod 20 inside. The top of the second threaded rod 20 is rotationally connected to the inside of the biaxial motor 17. By driving the first bevel gear 18 to rotate with the two output ends of the biaxial motor 17, the first bevel gear 18 meshes with and drives the second bevel gear 19 to rotate, facilitating the second bevel gear 19 to drive the second threaded rod 20 to rotate, thereby providing a power source for the movement of the second footrest 21.
[0031] Refer to Figure 6 As shown, a second footrest 21 is arranged outside the second threaded rod 20. Two threaded grooves 22 are formed inside the second footrest 21, and two sliding grooves 23 are formed outside the second footrest 21. The second threaded rod 20 is in threaded connection with the inside of the threaded grooves 22. Two second sliding rods 24 are fixedly connected to the inside of the first footrest 11. The second sliding rods 24 are slidably connected to the inner sides of the sliding grooves 23. By the threaded connection between the second threaded rod 20 and the inside of the threaded grooves 22, the rotation of the second threaded rod 20 can drive the telescopic movement inside the second footrest 21. By using the second sliding rods 24 to slide inside the sliding grooves 23, the second sliding rods 24 play a guiding role in the movement of the second footrest 21, helping passengers freely adjust the lengths of the first footrest 11 and the second footrest 21 according to their own height, body type and riding needs.
[0032] The working principle of the present utility model: The present utility model designs a footrest positioning device, and the specific structure is as shown in the attached Figures 1-6As shown, in this technical solution, through the mutual cooperation between various structures, when the first footrest 11 needs to be adjusted, first, the first stepper motor 4 is started through the control panel on the armrest of the seat 2. The first stepper motor 4 is used to drive the first threaded rod 5 to rotate, so that the first threaded rod 5 drives the moving block 7 to move through the thread, enabling the moving block 7 to drive the push rod 9 to move to one side, facilitating the push rod 9 to push the first footrest 11 to move to one side. The rotating shaft 12 is rotatably connected inside the two first support blocks 3, and the rotating shaft 12 can drive the first gear 13 to mesh and drive the second gear 14 to rotate. By the meshing of the convex teeth between the first gear 13 and the second gear 14, the rotation angle of the first footrest 11 can be adjusted, facilitating the adjustment of the first footrest 11. When the position adjustment of the first footrest 11 is completed, the cylinder 15 is started, and the cylinder 15 is used to push the latch 16 to move to one side. By clamping the latch 16 between the convex teeth of the second gear 14, the second gear 14 can be fixed, thereby fixing the adjusted position of the first footrest 11. When the length of the first footrest 11 needs to be adjusted, the bi-axial motor 17 is started, and the bi-axial motor 17 is used to drive the two first bevel gears 18 to rotate, so that the first bevel gears 18 rotate and mesh to drive the second bevel gears 19 to rotate. The rotation of the second bevel gears 19 can drive the second threaded rods 20 to rotate. By the threaded connection between the second threaded rods 20 and the inner side of the thread grooves 22, it is convenient to drive the second footrest 21 to move outward from the bi-axial motor 17. When the second footrest 21 moves inside the bi-axial motor 17, it can drive the inner side of the chute 23 to slide with the outer side of the second slide rod 24. The two second slide rods 24 provide a guiding function for the movement of the second footrest 21, facilitating the second footrest 21 to move steadily outward, so as to better meet the needs of passengers.
[0033] Among them, in the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments of the present disclosure are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0034] The content not described in detail in the specification belongs to the well-known prior art to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited. Conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the drawings because they belong to the prior art and will not be described herein again;
[0035] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. Footrest positioning device, comprising a base (1), characterized in that: A seat (2) is mounted on the upper surface of the base (1), and two first support blocks (3) are fixedly connected to one side of the base (1). A positioning component is installed inside the base (1). The positioning component includes a first stepping motor (4). The output end of the first stepping motor (4) is fixedly connected to a first threaded rod (5). One end of the first threaded rod (5) is rotatably connected to a support seat (6). A moving block (7) is threadedly connected to the outer side of the first threaded rod (5). Two first sliding rods (8) are slidably connected to the lower surface of the moving block (7). Two push rods (9) are rotatably connected to the outer side of the moving block (7). One end of the push rod (9) is rotatably connected to a second support block (10). A first footrest (11) is welded to one side of the second support block (10). One end of the first footrest (11) is fixedly connected to a rotating shaft (12). A first gear (13) is inserted on the outer side of the rotating shaft (12). A second gear (14) is rotatably connected inside the base (1), and a cylinder (15) is installed inside the base (1). The output end of the cylinder (15) is fixedly connected to a clamping rod (16).
2. The footrest positioning device according to claim 1, characterized in that: An adjusting mechanism is installed inside the first footrest (11). The adjusting mechanism includes a biaxial motor (17). The biaxial motor (17) is fixedly connected to the inside of the first footrest (11). Both output ends of the biaxial motor (17) are fixedly connected to a first bevel gear (18).
3. The footrest positioning device according to claim 2, wherein: A second bevel gear (19) is meshed with one side of the first bevel gear (18). A second threaded rod (20) is fixedly connected to the inside of the second bevel gear (19). The top end of the second threaded rod (20) is rotatably connected to the inside of the biaxial motor (17).
4. The footrest positioning device according to claim 3, characterized in that: A second footrest (21) is arranged on the outer side of the second threaded rod (20). Two threaded grooves (22) are formed inside the second footrest (21).
5. The footrest positioning device according to claim 4, characterized in that: Two sliding grooves (23) are formed on the outer side of the second footrest (21). The second threaded rod (20) is threadedly connected to the inside of the threaded groove (22).
6. The footrest positioning device according to claim 1, characterized in that: Two second sliding rods (24) are fixedly connected to the inside of the first footrest (11). The second sliding rods (24) are slidably connected to the inner side of the sliding groove (23).
7. The footrest positioning device according to claim 1, wherein: The support seat (6) is fixedly connected to the inner side of the base (1). The first sliding rod (8) is fixedly connected to the inner side of the base (1). Both ends of the rotating shaft (12) are rotatably connected inside the first support block (3).
Citation Information
Patent Citations
Foot supporting plate of automobile seat
CN215705862U