Seat height adjusting and self-resetting adjusting mechanism
By designing the coaxial setting and reset components of the height adjustment shaft and the handle adjustment shaft in the car seat height adjustment mechanism, the problem of unstable handle shaking during the seat height adjustment process is solved, and the seat height adjustment and user experience are improved.
Patent Information
- Application Number
- CN202420840549.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The existing car seat height adjustment mechanism is prone to shaking or unstable during use, affecting the user's experience.
An adjustment mechanism for self-resetting of seat height adjustment is designed. By coaxially setting the height adjustment shaft and the handle adjustment shaft, the push rod and the height adjustment assembly are synchronized to achieve smooth adjustment of the seat height, and the push rod is returned to the initial position through the reset assembly.
Through the design of coaxial setting and reset components, the stability and efficiency of seat height adjustment are improved, and the user experience is significantly improved.
Smart Images
Figure CN222682265U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of automobile seat adjustment, and in particular to a seat height adjustment and self-resetting adjustment mechanism. Background Art
[0002] In the automotive industry, seat design is crucial to driving and riding comfort. Among them, the height adjustment function of the car seat is a key innovation to improve comfort and safety. It allows users to adjust the seat height according to personal needs, significantly optimizing the driving field of view and riding experience.
[0003] The prior art discloses a transmission mechanism for operating a seat height adjuster, comprising a fixed bracket, a handle mounting bracket, a connecting rod and a height adjustment bracket, wherein the fixed bracket is used to be fixedly connected to the seat frame, the head end of the handle mounting bracket is rotatably connected to the fixed bracket, the tail end of the handle mounting bracket is rotatably connected to the head end of the connecting rod, the tail end of the connecting rod is connected to the head end of the height adjustment bracket, the tail end of the height adjustment bracket is fixedly connected to the seat height adjuster, and the rotation of the handle mounting bracket can drive the height adjustment bracket to rotate through the connecting rod; the operating handle is fixedly connected to the handle mounting bracket, and when the user rotates the operating handle, the handle drives the handle mounting bracket to rotate, the handle mounting bracket drives the connecting rod to move synchronously, and the connecting rod drives the height adjustment bracket to rotate synchronously, so that the power of the operating handle is transmitted to the height adjuster, thereby realizing the height adjustment of the car seat.
[0004] With respect to the above-mentioned related technologies, the height adjustment shaft and the handle adjustment shaft are independently arranged. During the seat height adjustment process, the handle is prone to shaking or instability when transmitting power, which affects the user experience. Utility Model Content
[0005] In order to improve the user experience, the present application provides a seat height adjustment self-resetting adjustment mechanism.
[0006] The present application provides a seat height adjustment self-reset adjustment mechanism adopts the following technical solution:
[0007] A seat height adjustment and self-resetting adjustment mechanism comprises a fixed base, a push rod, a height adjustment assembly, a transmission assembly and a reset assembly; a height adjustment shaft is installed on the side where the two opposite side walls of the fixed base are close to each other, and the push rod is coaxially fixedly installed on the height adjustment shaft, and a handle adjustment shaft is installed on the side where the two opposite side walls of the fixed base are far away from each other, and the height adjustment shaft is coaxially arranged with the handle adjustment shaft; the height adjustment assembly is installed on the height adjustment shaft, and the height adjustment assembly is used to adjust the height of the seat; the transmission assembly is installed on the handle adjustment shaft, and is used to drive the height adjustment assembly to adjust the height of the seat; the reset assembly is installed on the handle adjustment shaft, and is used to reset the transmission assembly after the height adjustment.
[0008] By adopting the above technical solution, force is applied to the push rod, and the push rod drives the transmission component, the height adjustment component and the height adjustment shaft to rotate synchronously, so as to adjust and fix the seat height. When the force applied to the push rod is stopped, the reset component drives the push rod back to the initial state, so as to reset the push rod. The seat height adjustment self-resetting adjustment mechanism is set coaxially with the height adjustment shaft and the handle adjustment shaft. During the seat height adjustment process, the push rod and the height adjustment component move synchronously, which facilitates the smooth adjustment of the seat height and improves the user experience.
[0009] In a specific feasible implementation scheme, the transmission assembly includes a baffle and two groups of transmission parts; the baffle is coaxially fixedly mounted on one of the handle adjustment shafts, and two mounting cavities for mounting two groups of transmission parts are formed between the baffle and the push rod, and the two mounting cavities are distributed circumferentially along the baffle; one group of transmission parts is installed in one mounting cavity, and the transmission parts are used for the synchronous movement of the push rod and the height adjustment assembly.
[0010] By adopting the above technical solution, force is applied to the push rod, which makes the transmission part contact with the height adjustment component, and then the transmission part drives the height adjustment component and the height adjustment shaft to rotate synchronously, so as to achieve the height adjustment of the seat; the transmission component is arranged, through the baffle and the two sets of transmission parts, so that the push rod drives the height adjustment component to move synchronously, thereby improving the height adjustment efficiency of the seat.
[0011] In a specific feasible implementation scheme, the transmission member includes a push tooth, a fixed shaft and a return spring; the push tooth is installed in the installation cavity, the fixed shaft passes through the push tooth, and one end of the fixed shaft is connected to the push rod, and the other end is connected to the baffle, and the fixed shaft is rotatably connected to the push tooth; one end of the return spring is connected to the push tooth, and the other end is connected to the push rod.
[0012] By adopting the above technical solution, force is applied to the push rod, the return spring is compressed, the push rod drives the push tooth to rotate around the fixed axis, the push tooth contacts the height adjustment component, the push tooth drives the height adjustment component and the height adjustment shaft to rotate synchronously, when the seat height adjustment is completed and the force applied to the push rod stops, the return spring returns to its original length, the push tooth is separated from the height adjustment component, and the seat height adjustment is completed; the transmission member is arranged, through the push tooth, it is convenient to drive the height adjustment component and the push rod to move synchronously, and through the return spring, a reserved return space for the push tooth is formed, which is convenient for realizing the height adjustment of different gears of the seat.
[0013] In a specific possible implementation scheme, the reset assembly includes two groups of handle reset springs; one group of the handle reset springs is wound around a handle adjustment shaft, both ends of the handle reset springs extend to the push rod, and both ends of the handle reset springs are arranged close to each other.
[0014] By adopting the above technical solution, force is applied to the push rod, and the push rod and the push tooth move synchronously around the circumference of the height adjustment component. At this time, the torsion arm of the handle reset spring twists. When the seat height adjustment is completed and the force applied to the push rod stops, the torsion arm of the handle reset spring rotates in the opposite direction, and the torsion arms of the handle reset spring tend from a state of being close to each other to a state of being parallel to each other, thereby driving the push rod to return to its initial position; the reset component set up, through the handle reset spring, makes it easy to realize that the push rod returns to its initial position after the seat height adjustment is completed, so that the position of the push rod is consistent with the initial design position, further improving the user experience.
[0015] In a specific possible implementation scheme, the height adjustment assembly includes an adjusting member and a locking member, the adjusting member includes a height pull wire fixing wheel, a first adjusting wheel and a second adjusting wheel; the height pull wire fixing wheel is coaxially fixed on the height adjustment shaft; the first adjusting wheel and the second adjusting wheel are both coaxially fixed on the height adjustment shaft, and the second adjusting wheel is located on the side of the height pull wire fixing wheel close to the push tooth, and the first adjusting wheel is located on the side of the height pull wire fixing wheel away from the push tooth; the locking member is installed on the fixed base for seat gear adjustment and fixation.
[0016] By adopting the above technical solution, force is applied to the push rod, the push tooth contacts the second adjusting wheel and drives the second adjusting wheel to rotate, and at the same time, the height pull wire fixing wheel and the first adjusting wheel rotate synchronously with the second adjusting wheel. When they rotate to a suitable position, the locking member fixes the position of the first adjusting wheel and the second adjusting wheel to achieve seat height adjustment. The height adjustment component is set up to facilitate seat height adjustment through the height pull wire fixing wheel, the first adjusting wheel and the second adjusting wheel, and the position fixation of the seat height adjustment is facilitated by the locking member.
[0017] In a specific possible implementation scheme, a mounting hole is provided on the height cable fixing wheel, the mounting hole is parallel to the axis of the height cable fixing wheel, and the mounting hole is used to fix the seat.
[0018] By adopting the above technical solution, the height pull wire fixing wheel is arranged, and the height pull wire fixing wheel is conveniently connected to the seat through the mounting hole.
[0019] In a specific implementation manner, the first adjusting wheel is provided with first tooth grooves, and the first tooth grooves are distributed along the circumference of the first adjusting wheel; the second adjusting wheel is provided with second tooth grooves, and the second tooth grooves are distributed along the circumference of the second adjusting wheel.
[0020] By adopting the above technical solution, the first adjusting wheel and the second adjusting wheel are provided, and cooperate with each other through the first tooth groove and the second tooth groove, so that the locking member can synchronously lock the first adjusting wheel and the second adjusting wheel, thereby realizing the gear adjustment of the seat height.
[0021] In a specific feasible implementation scheme, the locking member includes a locking shaft and two locking springs; a mounting groove is provided on the side wall of the fixed base, and the length direction of the mounting groove is arranged parallel to the axial direction of the height adjustment shaft; the locking shaft is installed in the mounting groove, and the locking shaft is axially parallel to the height adjustment shaft; the two locking springs are distributed along the length direction of the locking shaft, one end of the locking spring is connected to the locking shaft, and the other end is connected to the fixed base.
[0022] By adopting the above technical solution, the second adjusting wheel rotates synchronously with the height adjusting shaft, and the locking shaft moves along the length direction of the installation groove. At this time, the locking spring is stretched, so that the locking shaft disengages from the first tooth groove and the second tooth groove on the same horizontal line, and then the locking shaft enters an adjacent group of first tooth grooves and second tooth grooves along the rotation direction of the second adjusting wheel. At this time, the locking spring restores its original length to lock the position of the locking shaft; the locking piece is set, through the locking shaft and the locking spring, to facilitate the adjustment of different gears of seat height.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. The designed seat height adjustment self-reset adjustment mechanism is coaxially arranged with the height adjustment shaft and the handle adjustment shaft. During the seat height adjustment process, the push rod and the height adjustment component move synchronously, which facilitates the smooth adjustment of the seat height and improves the user experience.
[0025] 2. The designed seat height adjustment self-reset adjustment mechanism uses the push teeth to drive the height adjustment component and the push rod to move synchronously. The reset spring forms a reserved return space for the push teeth, which facilitates the height adjustment of the seat to different gears.
[0026] 3. The designed seat height adjustment self-reset adjustment mechanism uses the handle reset spring to facilitate the return of the push rod to the initial position after the seat height adjustment is completed, so that the position of the push rod is consistent with the initial design position, further improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a structural schematic diagram of the seat height adjustment self-resetting adjustment mechanism of the embodiment of the present application.
[0028] Figure 2 It is a partial structural schematic diagram of the seat height adjustment self-resetting adjustment mechanism of the embodiment of the present application.
[0029] Figure 3 It is a partial structural schematic diagram of the seat height adjustment self-reset adjustment mechanism of the embodiment of the present application, which is intended to illustrate the push rod and the baffle.
[0030] Figure 4 It is a partial structural schematic diagram of the seat height adjustment self-resetting adjustment mechanism of the embodiment of the present application, which is intended to illustrate the height adjustment component.
[0031] Figure 5 It is a partial structural schematic diagram of the seat height adjustment self-reset adjustment mechanism of the embodiment of the present application, which is intended to illustrate the first adjustment wheel and the height pull wire fixing wheel.
[0032] Explanation of the accompanying drawings: 1. Fixed base; 11. Height adjustment shaft; 12. Mounting slot; 13. Handle adjustment shaft; 2. Push rod; 3. Transmission assembly; 31. Baffle; 32. Transmission member; 321. Push tooth; 322. Fixed shaft; 323. Reset spring; 33. Mounting cavity; 4. Height adjustment assembly; 41. Adjustment member; 411. Height pull wire fixing wheel; 4111. Mounting hole; 412. First adjustment wheel; 4121. First tooth groove; 413. Second adjustment wheel; 4131. Second tooth groove; 42. Locking member; 421. Locking shaft; 422. Locking spring; 5. Reset assembly; 51. Handle reset spring. DETAILED DESCRIPTION
[0033] The following is combined with Figure 1-5 This application is described in further detail.
[0034] The embodiment of the present application discloses a seat height adjustment self-resetting adjustment mechanism.
[0035] Reference Figure 1A seat height adjustment self-resetting adjustment mechanism comprises a fixed base 1, a push rod 2, a height adjustment component 4, a transmission component 3 and a reset component 5; a height adjustment shaft 11 is installed on the side where the two opposite side walls of the fixed base 1 are close to each other, and the push rod 2 is coaxially fixedly installed on the height adjustment shaft 11, and a handle adjustment shaft 21 is installed on the side where the two opposite side walls of the fixed base 1 are far away from each other, and the height adjustment shaft 11 is coaxially arranged with the handle adjustment shaft 21; by applying force to the push rod 2, the height adjustment component 4 and the transmission component 3 move synchronously to achieve the height adjustment of the seat.
[0036] Reference Figure 1 and Figure 2 In order to facilitate the synchronous movement of the push rod 2 and the height adjustment component 4, the transmission component 3 includes a baffle 31 and two groups of transmission members 32. The baffle 31 is coaxially fixedly installed on the handle adjustment shaft 21, and two installation cavities 33 for installing the two groups of transmission members 32 are formed between the baffle 31 and the push rod 2. The two installation cavities 33 are distributed circumferentially along the baffle 31, and one group of transmission members 32 is installed in one installation cavity 33. The transmission member 32 includes a pushing tooth 321, a fixed shaft 322 and a return spring 323. The pushing tooth 321 is installed in the installation cavity 33, and the fixed shaft 322 passes through the pushing tooth 321. One end of the fixed shaft 322 is connected to the push rod 2, and the other end is connected to the baffle 31. The fixed shaft 322 is rotatably connected to the pushing tooth 321, and one end of the return spring 323 is connected to the pushing tooth 321, and the other end is connected to the push rod 2.
[0037] Reference Figure 3 and Figure 4 The height adjustment assembly 4 includes an adjustment member 41 and a locking member 42. The adjustment member 41 includes a height wire fixing wheel 411, a first adjustment wheel 412 and a second adjustment wheel 413. The height wire fixing wheel 411 is coaxially fixedly installed on the height adjustment shaft 11. The first adjustment wheel 412 and the second adjustment wheel 413 are coaxially fixed on the height adjustment shaft 11, and the second adjustment wheel 413 is located on the side of the height wire fixing wheel 411 close to the push tooth 321, and the first adjustment wheel 412 is located on the side of the height wire fixing wheel 411 away from the push tooth 321. The second adjusting wheel 413 is provided with a second tooth groove 4131, and the second tooth groove 4131 is distributed circumferentially along the second adjusting wheel 413. The first adjusting wheel 412 is provided with a first tooth groove 4121, and the first tooth groove 4121 is distributed circumferentially along the first adjusting wheel 412.
[0038] The locking piece 42 includes a locking shaft 421 and two locking springs 422. A mounting groove 12 is opened on the side wall of the fixed base 1, and the length direction of the mounting groove 12 is arranged parallel to the axial direction of the height adjustment shaft 11. The locking shaft 421 is installed in the mounting groove 12, and the locking shaft 421 is axially parallel to the height adjustment shaft 11. The two locking springs 422 are distributed along the length direction of the locking shaft 421. One end of the locking spring 422 is connected to the locking shaft 421, and the other end is connected to the fixed base 1.
[0039] Reference Figure 2 In order to facilitate the adjustment of the seat height so that the position of the push rod 2 is consistent with the initial design position, the reset assembly 5 also includes two groups of handle reset springs 51. One group of handle reset springs 51 is wound around a handle adjustment shaft 21. Both ends of the handle reset spring 51 extend to the push rod 2, and the two ends of the handle reset spring 51 are arranged close to each other. A group of card slots are respectively arranged on both sides of the push rod 2. One group of card slots includes an upper card slot and a lower card slot. One end of the handle reset spring 51 is fixedly installed in the upper card slot, and the other end is fixedly installed in the lower card slot.
[0040] Reference Figure 5 In order to facilitate the connection between the height pull wire fixing wheel 411 and the seat, a mounting hole 4111 is opened on the height pull wire fixing wheel 411. The mounting hole 4111 is parallel to the axial direction of the height pull wire fixing wheel 411, and the mounting hole 4111 is used to fix the seat.
[0041] A feasible implementation principle of a seat height adjustment self-reset adjustment mechanism according to an embodiment of the present application is as follows: force is applied to the push rod 2, the reset spring 323 is compressed, so that the push tooth 321 contacts the second adjustment wheel 413, the push tooth 321 drives the second adjustment wheel 413, the height pull wire fixing wheel 411 and the first adjustment wheel 412 to rotate synchronously, the torsion arm of the handle reset spring 51 rotates, and at the same time the locking shaft 421 moves along the width direction of the installation groove 12, the locking spring 422 is stretched, and the locking shaft 421 is disengaged from the first tooth groove 4121 and the second tooth groove 4131 which are on the same horizontal line. , then the locking shaft 421 enters an adjacent set of first tooth grooves 4121 and second tooth grooves 4131 along the rotation direction of the second adjusting wheel 413, and stops applying force to the push rod 2. At this time, the locking spring 422 restores its original length, so that the position of the locking shaft 421 is locked. At the same time, the return spring 323 restores its original length, and the push tooth 321 separates from the second adjusting wheel 413, completing the adjustment of the seat height by one gear. At the same time, the torsion arm of the handle return spring 51 rotates in the opposite direction, and the torsion arms of the handle return spring 51 tend to be parallel to each other from a state of being close to each other, driving the push rod 2 to return to its initial position.
[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A seat height adjustment self-reset adjustment mechanism, characterized in that: It comprises a fixed base (1), a push rod (2), a transmission component (3), a height adjustment component (4) and a reset component (5); A height adjustment shaft (11) is installed on the side where the two opposite walls of the fixed base (1) are close to each other, and the push rod (2) is coaxially fixedly installed on the height adjustment shaft (11). A handle adjustment shaft (21) is installed on the side where the two opposite walls of the fixed base (1) are far away from each other, and the height adjustment shaft (11) and the handle adjustment shaft (21) are coaxially arranged. The height adjustment component (4) is mounted on the height adjustment shaft (11), and the height adjustment component (4) is used to adjust the height of the seat; The transmission assembly (3) is mounted on the handle adjustment shaft (21) and is used to drive the height adjustment assembly (4) to adjust the height of the seat; The reset assembly (5) is mounted on the handle adjustment shaft (21) and is used to reset the transmission assembly (3) after height adjustment.
2. The seat height adjustment self-reset adjustment mechanism according to claim 1, characterized in that: The transmission assembly (3) comprises a baffle (31) and two groups of transmission parts (32); The baffle plate (31) is coaxially fixedly mounted on one of the handle adjustment shafts (21), and two mounting cavities (33) for mounting two groups of transmission members (32) are formed between the baffle plate (31) and the push rod (2), and the two mounting cavities (33) are distributed along the circumference of the baffle plate (31); A group of transmission members (32) are installed in one of the installation chambers (33), and the transmission members (32) are used for synchronous movement of the push rod (2) and the height adjustment assembly (4).
3. The seat height adjustment self-reset adjustment mechanism according to claim 2, characterized in that: The transmission member (32) comprises a push tooth (321), a fixed shaft (322) and a return spring (323); The pushing tooth (321) is installed in the installation cavity (33), the fixed shaft (322) passes through the pushing tooth (321), one end of the fixed shaft (322) is connected to the push rod (2), and the other end is connected to the baffle (31), and the fixed shaft (322) is rotatably connected to the pushing tooth (321); One end of the return spring (323) is connected to the push tooth (321), and the other end is connected to the push rod (2).
4. The seat height adjustment self-reset adjustment mechanism according to claim 3, characterized in that: The reset assembly (5) comprises two sets of handle reset springs (51); A group of handle reset springs (51) are wound around a handle adjustment shaft (21), both ends of the handle reset spring (51) extend to the push rod (2), and the two ends of the handle reset spring (51) are arranged close to each other.
5. The seat height adjustment self-reset adjustment mechanism according to claim 3, characterized in that: The height adjustment assembly (4) comprises an adjustment member (41) and a locking member (42); the adjustment member (41) comprises a height wire fixing wheel (411), a first adjustment wheel (412) and a second adjustment wheel (413); The height wire fixing wheel (411) is coaxially fixedly mounted on the height adjustment rotating shaft (11); The first adjusting wheel (412) and the second adjusting wheel (413) are both coaxially fixed on the height adjustment shaft (11), and the second adjusting wheel (413) is located on a side of the height wire fixing wheel (411) close to the pushing tooth (321), and the first adjusting wheel (412) is located on a side of the height wire fixing wheel (411) away from the pushing tooth (321); The locking member (42) is mounted on the fixed base (1) and is used for adjusting and fixing the seat position.
6. The seat height adjustment self-reset adjustment mechanism according to claim 5, characterized in that: The height cable fixing wheel (411) is provided with a mounting hole (4111), the mounting hole (4111) is axially parallel to the height cable fixing wheel (411), and the mounting hole (4111) is used to fix the seat.
7. The seat height adjustment self-reset adjustment mechanism according to claim 5, characterized in that: The first adjusting wheel (412) is provided with first tooth grooves (4121), and the first tooth grooves (4121) are distributed along the circumference of the first adjusting wheel (412); The second adjusting wheel (413) is provided with second tooth grooves (4131), and the second tooth grooves (4131) are distributed along the circumference of the second adjusting wheel (413).
8. The seat height adjustment self-reset adjustment mechanism according to claim 5, characterized in that: The locking member (42) comprises a locking shaft (421) and two locking springs (422); A mounting groove (12) is provided on the side wall of the fixed base (1), and the length direction of the mounting groove (12) is arranged parallel to the axial direction of the height adjustment shaft (11); The locking shaft (421) is installed in the installation groove (12), and the locking shaft (421) is axially parallel to the height adjustment shaft (11); The two locking springs (422) are distributed along the length direction of the locking shaft (421); one end of the locking spring (422) is connected to the locking shaft (421), and the other end is connected to the fixed base (1).