Linkage unlocking mechanism of automobile seat
By designing a linkage unlocking mechanism, the car seat can automatically adjust related components during rotation, solving the problem of manually folding related components in existing technologies and improving user experience and structural efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-03
AI Technical Summary
Existing car seats require manual folding of related components when adjusting the seat, resulting in a poor user experience.
Design a linkage unlocking mechanism that, through the cooperation of the first and second rotating parts, drives the locking mechanism to unlock, so that the rotating object can automatically adjust related components during the rotation process, such as the folding of a headrest.
When rotating objects such as backrests or armrests are reclined, the headrests automatically fold, enabling one-button reclining and improving user convenience while reducing noise and structural interference.
Smart Images
Figure CN223962053U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of car seats, and specifically to a linkage unlocking mechanism for car seats. Background Technology
[0002] Car seats have many rotating components, such as the backrest and armrests (located in the middle of the rear seats). These can be rotated and adjusted relative to a fixed object (such as the seat cushion or base). However, adjusting these components requires the coordinated action of other parts, such as headrests. For example, when the rear seats are folded down, the headrests need to fold to prevent them from colliding with the front seats. Similarly, when the armrests are folded up, the headrests need to fold to support the seat cushion and provide support for the armrests. Currently, car seats lack a mechanism to automatically unlock and release these components during adjustment. Users must manually fold these components, such as the headrests, before adjusting the seats, resulting in a poor user experience. Therefore, there is an urgent need for a mechanism to automatically unlock and release these components to solve this problem. Utility Model Content
[0003] The purpose of this utility model is to overcome the defects of the prior art and provide a linkage unlocking mechanism for car seats, which solves the problem that existing car seats do not have a linkage unlocking mechanism and require manual adjustment of related components before the rotating object can be adjusted, resulting in a poor user experience.
[0004] To achieve the above objectives, a linkage unlocking mechanism for a car seat is provided, which cooperates with a rotating object to drive a locking mechanism to an unlocked state, thereby unlocking a linkage object. The linkage unlocking mechanism includes:
[0005] The first rotating component is rotatably mounted on the car seat; and
[0006] A second rotating member rotatably connected to the first rotating member;
[0007] During the process of the rotating object rotating from the initial position to the adjusted position, the second rotating component is pushed, thereby causing the first rotating component to rotate together in the first direction, and the rotation of the first rotating component causes the locking mechanism to unlock.
[0008] During the process of the rotating object rotating from the adjustment position to the initial position, the second rotating member is pushed and then rotates relative to the first rotating member in a second direction opposite to the first direction, so that the first rotating member remains stationary.
[0009] Furthermore, it also includes a first cable, one end of which is connected to the locking mechanism and the other end of which is connected to the first rotating member; the rotation of the first rotating member in the first direction drives the locking mechanism to unlock via the first cable.
[0010] Furthermore, it also includes a clutch structure, which is configured to restrict the second rotating member from rotating in the first direction relative to the first rotating member, but allow the second rotating member to rotate in the second direction relative to the first rotating member.
[0011] Furthermore, the clutch structure includes a limiting protrusion disposed on one of the first rotating member and the second rotating member; and a limiting groove disposed on the other of the first rotating member and the second rotating member, wherein the limiting protrusion slides within the limiting groove.
[0012] Furthermore, a first noise-absorbing sleeve is fitted onto the limiting protrusion, or a first noise-absorbing pad is provided at the corresponding end of the limiting groove.
[0013] Furthermore, the rotating object can be rotated and adjusted relative to a fixed object;
[0014] The first rotating member is rotatably disposed on the fixed object, and the fixed object is further provided with a first elastic reset element connected to the first rotating member. When the first rotating member rotates in the first direction, the first elastic reset element applies an elastic force to the first rotating member to rotate in the second direction.
[0015] Furthermore, the first rotating member is provided with a second elastic reset element connected to the second rotating member. When the second rotating member rotates relative to the first rotating member in the second direction, the second elastic reset element applies a spring force to the second rotating member to rotate in the first direction.
[0016] Furthermore, the fixed object is provided with a rotation limiting groove corresponding to the position of the first rotating component;
[0017] The first rotating component is provided with a rotation limiting pin, which is movably disposed in the rotation limiting groove. During the process of the rotating object rotating from the adjustment position to the initial position, the rotation limiting pin contacts the end corresponding to the rotation limiting groove to restrict the first rotating component from rotating in the second direction.
[0018] Furthermore, a second noise-reducing sleeve is fitted onto the rotation limiting pin, or a second noise-reducing pad is provided at the corresponding end of the rotation limiting groove.
[0019] Furthermore, the first rotating member and the second rotating member are disposed on opposite sides of the fixed object, and the second rotating member is rotatably connected to the rotation limit pin.
[0020] Furthermore, the rotating object is the upper connecting plate, and the fixed object is the lower connecting plate;
[0021] The upper connecting plate is part of the backrest assembly, and the lower connecting plate is part of the seat cushion assembly. The backrest assembly can rotate relative to the seat cushion assembly.
[0022] Alternatively, the upper connecting plate is part of the backrest assembly, and the lower connecting plate is the base of the backrest assembly, so that the backrest assembly can rotate relative to the base.
[0023] Alternatively, the upper connecting plate is part of the armrest assembly and the lower connecting plate is part of the backrest assembly, such that the armrest assembly can rotate relative to the backrest assembly.
[0024] Furthermore, the rotating object is provided with a pushing part at the position corresponding to the second rotating member. The pushing part contacts the second rotating member during the rotation of the rotating object so that the rotating object pushes the second rotating member to rotate in the first direction or the second direction.
[0025] Furthermore, the second rotating component is also provided with a second cable, the other end of which is connected to the locking mechanism;
[0026] When the second rotating member rotates relative to the first rotating member in the second direction, the locking mechanism is unlocked by pulling the second cable.
[0027] Furthermore, the object to be rotated is the backrest assembly or the armrest assembly, and the object to be linked is the headrest on the backrest assembly or the armrest assembly.
[0028] The beneficial effect of this utility model is that the linkage unlocking mechanism of the car seat is used to cooperate with a rotating object, so as to unlock the locking mechanism on the related parts (such as the headrest) during the rotation of the rotating object (such as the backrest or armrest of the car seat), thereby completing the corresponding adjustment of the related parts. In the limited space of a car, in order to ensure smooth folding without interfering with the front seats during the folding process without unnecessary movements, the linkage unlocking mechanism of this utility model automatically folds the headrest on the backrest or armrest to avoid interference during the folding process, thus realizing a one-button folding function and increasing convenience. Attached Figure Description
[0029] Figure 1This is a schematic diagram of the linkage unlocking mechanism of the car seat of this utility model installed on a fixed object.
[0030] Figure 2 for Figure 1 The diagram shows the exploded decomposition structure of the shown structure.
[0031] Figure 3 This is a cross-sectional view of the linkage unlocking mechanism of the car seat of this utility model installed on a fixed object.
[0032] Figure 4 This is a three-dimensional structural diagram of the assembly of the second rotating component and the rotation limit pin provided on the first rotating component in the linkage unlocking mechanism of the car seat of this utility model.
[0033] Figure 5 for Figure 4 The diagram shows the exploded decomposition structure of the shown structure.
[0034] Figure 6 This is a schematic diagram of a preferred embodiment of the linkage unlocking mechanism for a car seat of this utility model, showing the assembly of a rotation limit pin on the first rotating component with a fixed object.
[0035] Figure 7 for Figure 6 The diagram shows the exploded decomposition structure of the shown structure.
[0036] Figure 8 This is a schematic diagram of another preferred embodiment of the linkage unlocking mechanism for the car seat of this utility model, in which the second rotating component is assembled with the rotation limit pin provided on the first rotating component.
[0037] Figure 9 for Figure 8 The diagram shows the exploded decomposition structure of the shown structure.
[0038] Figure 10 This is a schematic diagram showing the positional relationship between the linkage unlocking mechanism of the car seat and the rotating object in the initial state.
[0039] Figure 11 This is a schematic diagram of the linkage unlocking mechanism of the car seat of this utility model, in which the rotating object rotates in the second direction, pushing the second rotating component and the first rotating component to rotate together in the second direction.
[0040] Figure 12 This is a schematic diagram of the linkage unlocking mechanism of the car seat of this utility model, after the rotating object has rotated in the second direction and passed the second rotating member, and the second rotating member and the first rotating member have been reset.
[0041] Figure 13This is a schematic diagram of the linkage unlocking mechanism of the car seat of this utility model, in which the rotating object rotates in the first direction, pushing the second rotating component to rotate relative to the first rotating component in the first direction.
[0042] Figure 14 This is a schematic diagram of the linkage unlocking mechanism of the car seat of this utility model, which pushes the second rotating component and the first rotating component to rotate together as the rotating object rotates from the initial position to the second direction.
[0043] Figure 15 This is a schematic diagram of the linkage unlocking mechanism of the car seat of this utility model, which pushes the second rotating component to rotate relative to the first rotating component as the rotating object rotates from the adjustment position to the first direction.
[0044] Figure 16 This is a schematic diagram of a preferred embodiment of the linkage unlocking mechanism for the car seat of this utility model, in which a second cable is provided on the second rotating component.
[0045] Figure 17 for Figure 16 A schematic diagram of the structure of the second rotating component.
[0046] Figure 18 This is a schematic diagram of a preferred embodiment of the linkage unlocking mechanism of the present invention for a car seat, which is applied to the backrest of a car seat to achieve linkage unlocking of the headrest when the backrest is rotated.
[0047] Explanation of reference numerals in the attached figures:
[0048] 10 - Rotating object; 11 - Pushing part; 20 - Fixed object; 21 - Rotation limit groove;
[0049] 31-First cable; 32-First rotating component; 321-First limiting part; 322-First silencing sleeve; 323-Rotation limiting pin; 324-Second silencing sleeve; 33-Second rotating component; 331-Second limiting part; 34-First elastic reset element; 35-Second elastic reset element; 36-Second cable; 37-First rotating shaft; 38-Second rotating shaft; 39-Bushing;
[0050] 41-Backrest; 42-Headrest. Detailed Implementation
[0051] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0052] See Figure 1 This utility model provides a linkage unlocking mechanism for a car seat, which cooperates with a rotating object 10 to drive a locking mechanism to move to the unlocked state, thereby unlocking a linkage object.
[0053] In this embodiment, the rotating object can be the backrest assembly or armrest assembly of the car seat, and correspondingly, the linkage object can be the headrest on the backrest assembly or the armrest assembly.
[0054] The linkage unlocking mechanism of the car seat of this utility model will be described below with reference to the accompanying drawings.
[0055] See Figure 1 This diagram shows a schematic representation of the linkage unlocking mechanism of the car seat of this invention installed on a fixed object. (See attached diagram.) Figure 2 , showed Figure 1 The diagram shows the exploded decomposition structure of the illustrated structure. The following is a related explanation. Figure 1 and Figure 2 The linkage unlocking mechanism of the car seat of this utility model will be described.
[0056] like Figure 1 and Figure 2 As shown, the linkage unlocking mechanism of the car seat of this utility model includes a first rotating member 32 and a second rotating member 33.
[0057] Specifically, the first rotating member 32 is rotatably mounted to the backrest assembly or armrest assembly of the car seat. The second rotating member 33 is rotatably connected to the first rotating member 32.
[0058] During the process of rotating the object 10 from the initial position to the adjustment position, the second rotating component 33 is pushed by the rotating object, and thus rotates together with the first rotating component 32 in the first direction. The rotation of the first rotating component 32 drives the locking mechanism to unlock.
[0059] During the process of rotating the object 10 from the adjustment position to the initial position, the second rotating member 33 is pushed by the rotating object, and thus relative to the first rotating member 32, the second rotating member rotates in a second direction opposite to the first direction so that the first rotating member remains stationary.
[0060] When the object of rotation is the center armrest of the rear seats, the initial position is the folded-down position, and the adjustment position is the flat-down position. For the armrest, flat-down can only be forward-facing. When the object of rotation is the backrest, the initial position is the designed position, and the adjustment position is the flat-down position. For the backrest, flat-down can be forward or backward.
[0061] This utility model discloses a linkage unlocking mechanism for a car seat. This mechanism works in conjunction with a rotating object (such as the backrest or armrest of a car seat) to unlock a locking mechanism on a related component (i.e., the linked object, such as the headrest) during rotation, thereby enabling corresponding adjustments to the related component. Within the limited space of a car, to ensure smooth folding without interference with the front seats during the folding motion, this utility model's linkage unlocking mechanism automatically folds the headrest on the backrest or armrest to avoid interference during folding, thus achieving a one-button folding function and increasing convenience.
[0062] The second rotating component can be adjusted to rotate in a second direction relative to the first rotating component, so that when the rotating object returns from the adjusted position to the initial position, it does not drive the first rotating component, but only pushes the second rotating component to rotate. If the rotating object is driven by an angle adjuster for rotation adjustment, this reduces the force on the angle adjuster, resulting in better sound performance of the rotating object during the rotation adjustment process.
[0063] In some specific implementations, combined with Figure 18 As shown, the linkage unlocking mechanism of the car seat of this utility model can be used on the backrest to unlock the headrest on the backrest during the process of reclining the backrest so as to realize the folding of the headrest. At this time, the headrest can be automatically folded after unlocking, so as to avoid the headrest interfering with the front seat and hindering the reclining of the backrest.
[0064] In other specific embodiments, combined with Figure 18 As shown, this linkage unlocking mechanism can also be used on the armrest between three rows of seats. It unlocks the headrest as the armrest is folded outwards and downwards, allowing the headrest to fold down. The headrest folds automatically after unlocking, providing support to the armrest. This linkage unlocking mechanism for car seats solves the problem of poor user experience caused by the need to manually fold related components before rotating the object, resulting in poor user experience.
[0065] See Figure 1 As shown, in a preferred embodiment, the linkage unlocking mechanism of the car seat of this utility model further includes a first cable 31. One end of the first cable 31 is connected to the locking mechanism. The other end of the first cable 31 is connected to a first rotating member. The rotation of the first rotating member 32 in a first direction drives the locking mechanism to unlock via the first cable 31, thereby realizing the corresponding adjustment of the linkage object.
[0066] In this embodiment, the linkage unlocking mechanism for the car seat of this utility model is characterized by further including a clutch structure. The clutch structure is configured to restrict the second rotating member 33 from rotating in a first direction relative to the first rotating member 32, but allow the second rotating member 33 to rotate in a second direction relative to the first rotating member 32.
[0067] The linkage unlocking mechanism of the car seat of this utility model, by setting a clutch structure, realizes that the rotation of the second rotating member relative to the first rotating member in the first direction is limited. At this time, when the second rotating member is pushed by the rotating object, it can drive the first rotating member to rotate together in the first direction. It also realizes that the second rotating member can rotate relative to the first rotating member in the second direction to avoid the return of the rotating object.
[0068] Specifically, in combination Figure 4 and Figure 5 The clutch structure includes a limiting protrusion and a limiting groove. The limiting groove is located on one of the first rotating member 32 and the second rotating member 33; correspondingly, the limiting groove is located on the other of the first rotating member 32 and the second rotating member 33. The limiting protrusion slides within the limiting groove.
[0069] The clutch structure of the linkage unlocking mechanism for the car seat of this utility model has the advantages of simple structure and convenient implementation through the cooperation of the limiting protrusion and the limiting groove.
[0070] See Figure 8 As shown, a first silencing sleeve 322 is fitted on the limiting protrusion, or a first silencing pad is provided at the corresponding end of the limiting groove.
[0071] The linkage unlocking mechanism of the car seat of this utility model can eliminate the sound generated by the collision of metal parts when returning to the original position by setting a first sound-absorbing sleeve or a first sound-absorbing pad on the clutch structure, and can also play a role in shock absorption.
[0072] Specifically, the first sound-absorbing pad can be made of flexible materials including but not limited to rubber, felt, and sponge.
[0073] In a preferred embodiment, the rotating object 10 in the linkage unlocking mechanism of the car seat of this utility model can be rotated and adjusted relative to a fixed object 20.
[0074] Combination Figure 2 , Figure 7 , Figure 10 and Figure 11 As shown, the rotating object 10 is the upper connecting plate, and the fixed object 20 is the lower connecting plate.
[0075] The upper connecting plate is part of the backrest assembly, and the lower connecting plate is part of the seat cushion assembly. The backrest assembly can rotate relative to the seat cushion assembly.
[0076] In some embodiments, the upper connecting plate is part of the backrest assembly, and the lower connecting plate is the base of the backrest assembly, such that the backrest assembly can rotate relative to the base.
[0077] In other embodiments, the upper connecting plate is part of the armrest assembly and the lower connecting plate is part of the backrest assembly 41, such that the armrest assembly can rotate relative to the backrest assembly 41.
[0078] See Figure 2 and Figure 3 As shown, the first rotating member 32 is rotatably mounted on the fixed object 20. The fixed object 20 is provided with a first elastic reset element 34. The first elastic reset element 34 is connected to the first rotating member 32. When the first rotating member 32 rotates in a first direction, the first elastic reset element 34 applies a spring force to the first rotating member 32 to rotate in a second direction.
[0079] The linkage unlocking mechanism for a car seat of this utility model, by setting a first elastic reset element between a fixed object and a first rotating member, can apply an elastic force to the first rotating member to reset it after the rotating object has rotated past the second rotating member. After the first rotating member is reset, the first cable returns to its natural state, and the stroke of the first cable will not continuously increase with the rotation stroke of the rotating object, so that the first cable does not need to be equipped with a compensator.
[0080] Continue reading Figure 2 and Figure 3 As shown, the first rotating member 32 is provided with a second elastic reset element 35. The second elastic reset element 35 is connected to the second rotating member 33. When the second rotating member 33 rotates relative to the first rotating member 32 in a second direction, the second elastic reset element 35 applies a spring force to the second rotating member 33 in a first direction.
[0081] The linkage unlocking mechanism of the car seat of this utility model, by setting a second elastic reset element between the first adapter and the second adapter, can achieve elastic force to reset the second rotating component after the rotating object rotates past the second rotating component, and at this time the clutch structure also returns to the initial state.
[0082] See Figure 1 , Figure 2 and Figure 6 As shown, a rotation limiting groove 21 is provided on the fixed object 20 corresponding to the position of the first rotating component 32. A rotation limiting pin 323 is provided on the first rotating component 32. The rotation limiting pin 323 is movably disposed within the rotation limiting groove 21. (See reference...) Figure 10As shown, during the process of rotating the object 10 from the adjustment position to the initial position, the rotation limit pin 323 contacts the end corresponding to the rotation limit groove 21 to restrict the first rotating member 32 from rotating in the second direction.
[0083] The linkage unlocking mechanism of the car seat of this utility model restricts the first rotating component from rotating in the second direction through the cooperation of the rotating limiting groove and the rotating limiting pin, so that the first rotating component can only rotate in the first direction relative to the fixed object. In addition, the rotating limiting groove also plays a guiding role in the rotation adjustment of the first rotating component.
[0084] See Figure 6 and Figure 7 As shown, a second silencing sleeve 324 is fitted on the rotating limit pin 323, or a second silencing pad is provided at the corresponding end of the rotating limit groove 21.
[0085] The second sound-absorbing pad can be made of flexible materials, including but not limited to rubber, felt, and sponge.
[0086] The linkage unlocking mechanism of the car seat of this utility model can eliminate the sound generated by the collision of metal parts when returning to the original position by setting a second sound-absorbing sleeve or a second sound-absorbing pad, and can also play a role in shock absorption.
[0087] Combination Figure 3 As shown, the first rotating member 32 and the second rotating member 33 are located on opposite sides of the fixed object 20. The second rotating member 33 is rotatably connected to the rotation limit pin 323. The arrangement of the first rotating member 32 and the second rotating member 33 in the linkage unlocking mechanism of the car seat of this utility model is compact and easy to arrange.
[0088] See Figure 2 and Figure 11 As shown, in this embodiment, a pushing part 11 is provided at the position corresponding to the second rotating member 33 of the rotating object 10. The pushing part 11 contacts the second rotating member 33 during the rotation of the rotating object 10 so that the rotating object 10 pushes the second rotating member 33 to rotate in the first direction or the second direction.
[0089] Combination Figures 10 to 13 As shown, Figure 10 The rotating object shown in the figure is in the initial position. The second rotating component can rotate around the rotation limit pin. The second elastic reset element applies a counterclockwise torque to the second rotating component, so that the second rotating component is in close contact with the left side of the first limit part of the rotation limit pin in its natural state. At this time, the second rotating component cannot rotate counterclockwise around the axis. Figure 11As shown, after the rotating object (upper connecting plate) rotates clockwise by a certain angle, it contacts the second rotating component. The upper connecting plate continues to rotate clockwise, causing the second and first rotating components to rotate counterclockwise around the first axis. The first rotating component then drives the first cable-driven locking mechanism to the unlocked state to unlock the headrest. Figure 12 As shown, after the headrest is unlocked, the pushing part of the upper connecting plate passes the second rotating member, and the second rotating member returns to its initial position under the force of the first elastic reset element. Figure 13 As shown, during the resetting process of the upper connecting plate, the pushing part of the upper connecting plate rotates counterclockwise from the rear end by a certain angle and then contacts the second rotating part. The pushing part of the upper connecting plate continues to rotate counterclockwise, driving the second rotating part to rotate clockwise. When the pushing part of the upper connecting plate passes the second rotating part, the second rotating part rotates counterclockwise around the axis and returns to the initial position under the action of the second elastic reset element.
[0090] See Figure 14 and Figure 15 As shown, where, Figure 14 As shown, when a passenger wants to flip the car seat down and flatten it, when the backrest of the car seat is reclined at angle a, the upper connecting plate drives the linkage unlocking mechanism of the car seat of this utility model to rotate by angle b. The linkage unlocking mechanism of the car seat of this utility model drives the first cable to move by a length L, thereby completing the unlocking of the headrest.
[0091] Figure 15 As shown, when the backrest of the car seat returns from the flat position to the designed position (initial position), it touches the second rotating component. At this time, the second rotating component will rotate clockwise under the force of the backrest to ensure that the pushing part of the upper connecting plate can pass smoothly without jamming.
[0092] See Figure 16 The second rotating member 33 of the linkage unlocking mechanism of the car seat of this utility model is also provided with a second cable 36. The other end of the second cable 36 is connected to the locking mechanism. When the second rotating member 33 rotates relative to the first rotating member 32 in the second direction, the locking mechanism is unlocked by pulling the second cable 36.
[0093] The linkage unlocking mechanism of this utility model for a car seat, by setting a second cable on the second adapter, enables the rotating object to rotate from the adjusted position to the initial position, thereby pulling the locking structure to unlock. As the rotating object returns to its original position, its associated components can also be unlocked and returned to their original position, thus improving the user experience.
[0094] The linkage unlocking mechanism of this utility model for car seats has a compact structure, which is beneficial to the overall planning and layout of the vehicle. After the linkage object (such as the headrest) is unlocked, the object is rotated to pass the second adapter again. The second adapter returns to its original position, and the first cable is in a natural state, so that the travel of the first cable does not increase continuously with the travel of the backrest, and no compensator is needed.
[0095] The linkage unlocking mechanism of the car seat of this utility model adopts a ratchet-like mechanism, which is transmitted through rotational motion, linear motion (first cable), and has high transmission efficiency. When returning to the original position, it is not necessary to drive the first cable, but only to overcome a small torsion spring torque, so that the angle adjuster is subjected to less force and the sound performance is better. On the other hand, the structural cost is low.
[0096] The cumulative tolerance of the linkage unlocking mechanism of the car seat of this utility model is small, which makes the unlocking synchronization of the left and right headrests good.
[0097] The present invention has been described in detail above with reference to the accompanying drawings and embodiments. Those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be defined by the appended claims.
Claims
1. A linkage unlocking mechanism for a car seat, which cooperates with a rotating object (10) to drive a locking mechanism to an unlocked state, thereby unlocking a linkage object, characterized in that, The linkage unlocking mechanism comprises: a first rotating member (32) rotatably mounted on the automobile seat; and a second rotating member (33) rotatably connected to the first rotating member (32); wherein, during the rotation adjustment of the rotating object (10) from the initial position to the adjustment position, the second rotating member (33) is pushed to rotate the first rotating member (32) together in the first direction, and the rotation of the first rotating member (32) drives the locking mechanism to be unlocked; during the rotation adjustment of the rotating object (10) from the adjustment position to the initial position, the second rotating member (33) is pushed to rotate relative to the first rotating member (32) in the second direction opposite to the first direction, so that the first rotating member remains stationary.
2. The linkage release mechanism for an automotive seat according to claim 1, wherein Further comprising a first pull cable (31), one end of which is connected with the locking mechanism and the other end of which is connected with the first rotating member; the rotation of the first rotating member (32) in the first direction drives the locking mechanism to be unlocked through the first pull cable (31).
3. The linkage release mechanism for an automotive seat according to claim 1, wherein Further comprising a clutch structure arranged to limit the rotation of the second rotating member (33) relative to the first rotating member (32) in the first direction, but allow the rotation of the second rotating member (33) relative to the first rotating member (32) in the second direction.
4. The linkage release mechanism for an automotive seat according to claim 3, wherein The clutch structure comprises a limiting protrusion arranged on one of the first rotating member (32) and the second rotating member (33); and a limiting groove arranged on the other of the first rotating member (32) and the second rotating member (33), the limiting protrusion being slidably arranged in the limiting groove.
5. The linkage release mechanism for an automotive seat according to claim 4, wherein A first sound-absorbing sleeve (322) is sleeved on the limiting protrusion, or a first sound-absorbing pad is arranged at the corresponding end of the limiting groove.
6. The linkage release mechanism for an automotive seat according to claim 1, wherein The rotating object (10) is rotatably adjusted relative to a fixed object (20); The first rotating member (32) is rotatably arranged on the fixed object (20), and the fixed object (20) further comprises a first elastic return element (34) connected with the first rotating member (32), the first elastic return element (34) applying an elastic force to the first rotating member (32) in the second direction when the first rotating member (32) rotates in the first direction.
7. The linkage release mechanism of claim 1 or 6, wherein The first rotating member (32) is provided with a second elastic return element (35) connected with the second rotating member (33), the second elastic return element (35) applying an elastic force to the second rotating member (33) in the first direction when the second rotating member (33) rotates relative to the first rotating member (32) in the second direction.
8. The linkage release mechanism for an automotive seat according to claim 6, wherein The fixed object (20) is provided with a rotation limiting groove (21) corresponding to the position of the first rotating member (32); The first rotating member (32) is provided with a rotating limiting pin (323) movably arranged in the rotating limiting groove (21), and in the process of rotating adjustment of the rotating object (10) from the adjusting position to the initial position, the rotating limiting pin (323) is in contact with the corresponding end of the rotating limiting groove (21) to limit the rotation of the first rotating member (32) in the second direction.
9. The linkage release mechanism for an automotive seat according to claim 8, wherein A second sound-absorbing sleeve (324) is sleeved on the rotating limiting pin (323), or the corresponding end of the rotating limiting groove (21) is provided with a second sound-absorbing pad.
10. The linkage release mechanism for an automotive seat according to claim 8, wherein The first rotating member (32) and the second rotating member (33) are arranged on opposite sides of the fixed object (20), and the second rotating member (33) is rotatably connected to the rotating limiting pin (323).
11. The linkage release mechanism for an automotive seat according to claim 6, wherein The rotating object (10) is an upper connecting plate, and the fixed object (20) is a lower connecting plate. The upper connecting plate is part of a backrest assembly, and the lower connecting plate is part of a seat cushion assembly, and the backrest assembly can rotate relative to the seat cushion assembly. Alternatively, the upper connecting plate is part of a backrest assembly, and the lower connecting plate is a base of the backrest assembly, so that the backrest assembly can rotate relative to the base. Alternatively, the upper connecting plate is part of an armrest assembly, and the lower connecting plate is part of a backrest (41) assembly, so that the armrest assembly can rotate relative to the backrest (41) assembly.
12. The linkage release mechanism for an automotive seat according to claim 1, wherein The rotating object (10) is provided with a pushing part (11) corresponding to the position of the second rotating member (33), and the pushing part (11) is in contact with the second rotating member (33) during rotation of the rotating object (10) so that the rotating object (10) pushes the second rotating member (33) to rotate in the first direction or the second direction.
13. The linkage release mechanism for an automotive seat according to claim 1, wherein The second rotating member (33) is further provided with a second cable (36), and the other end of the second cable (36) is connected to the locking mechanism. When the second rotating member (33) rotates relative to the first rotating member (32) in the second direction, the locking mechanism is unlocked by pulling the second cable (36).
14. The linkage release mechanism for an automotive seat according to claim 1, wherein The rotating object is a backrest assembly or an armrest assembly, and the linkage object is a headrest on the backrest assembly or the armrest assembly.