Collapse structure, automotive seat, and vehicle

Abstract

The application relates to a collapsing structure, an automobile seat and a vehicle, and relates to the technical field of automobile seats. The collapsing structure comprises a first supporting piece, a second supporting piece and a locking mechanism, wherein the first supporting piece is movably connected with a base of the automobile seat, the second supporting piece is movably connected with a seat frame and movably connected with the first supporting piece, the base is hingedly connected with the seat frame; the locking mechanism is arranged on the seat frame or the first supporting piece and is used for locking the positions of the first supporting piece and the second supporting piece in a normal state, the position locking is released when an unlocking signal is received, the seat can be stably maintained in a zero-gravity state through the locking mechanism; in an extreme case such as a collision, the locking is actively released through the locking mechanism, the first supporting piece and the second supporting piece are freely rotated, and the seat is rapidly reset, so that the collapsing structure has good posture stability and safety response capability, and the safety performance of the seat is improved.

Description

Technical Field

[0001] This application relates to the field of automotive seat technology, and more particularly to a collapsible structure, an automotive seat, and a vehicle. Background Technology

[0002] Currently, with the increasing pursuit of ride comfort in high-end vehicles, zero-gravity seats, which mimic the natural posture of the human body in a weightless state, significantly enhance the driving and riding experience and are gradually becoming a mainstream feature in automobiles. However, in "reclining" mode, these seats weaken the restraining effect of seat belts, posing a safety hazard when the vehicle is under a safety threat, such as when occupants slide on the seat during a collision. Utility Model Content

[0003] This application provides a collapsible structure, a car seat, and a vehicle, which can improve passenger safety and at least partially solve the above-mentioned technical problems.

[0004] To achieve the above objectives, according to a first aspect of this application, a collapsible structure is provided, comprising:

[0005] A first support member, configured to be movably connected to the base of a car seat;

[0006] The second support member is configured to be movably connected to the seat frame of the car seat, and the second support member is also movably connected to the first support member, and the base is hinged to the seat frame;

[0007] A locking mechanism is configured to be disposed on the seat frame or the first support member, and the locking mechanism is further configured to lock the positions of the first support member and the second support member when the vehicle is in a normal state, and to release the position lock of the first support member and the second support member upon receiving an unlocking signal.

[0008] Optionally, the locking mechanism is disposed on the first support member.

[0009] Optionally, the first end of the first support member is configured to be hinged to the base of the car seat, the first end of the second support member is configured to be hinged to the seat frame of the car seat, and the second end of the first support member is slidably connected to the second end of the second support member.

[0010] Optionally, it further includes a guide member, which is disposed on the first support member and slidably connected to the second support member.

[0011] Optionally, the second support member is provided with a sliding hole along the first direction, and the guide member is slidably connected to the sliding hole.

[0012] Optionally, the locking mechanism is configured to be located on the seat frame of the vehicle seat.

[0013] Optionally, the first end of the first support member is configured to be hinged to the base of the car seat, the first end of the second support member is slidably connected to the seat frame, and the second end of the first support member is hinged to the second end of the second support member.

[0014] Optionally, the guide member is disposed on the seat frame, and the second support member is provided with a sliding hole along the second direction, and the guide member is slidably connected in the sliding hole.

[0015] Optionally, the guide member has a guide portion, the outer wall of which slides in conjunction with the inner wall of the sliding hole.

[0016] Optionally, the guide member further has a threaded portion, the threaded portion being disposed on a first side of the guide portion, wherein,

[0017] When the locking mechanism is provided on the first support member, the first support member has a first threaded hole, and the threaded part is threadedly inserted into the first threaded hole.

[0018] When the locking mechanism is provided on the seat frame, the seat frame has a second threaded hole, and the threaded part is threadedly inserted into the second threaded hole.

[0019] Optionally, the guide member further has a locking part, which is disposed on the second side of the guide member and is configured to engage with the side wall of the second support member.

[0020] Optionally, it also includes a limiting member disposed on the second support member, the limiting member being configured to lock into the guide member under the action of the locking mechanism.

[0021] Optionally, the locking mechanism includes a driving member and a locking member. The locking member is disposed on the driving member and configured to cooperate with the guide member and the limiting member in a limiting manner. The driving member is configured to drive the locking member to move so as to lock or unlock the guide member and the limiting member relative to each other.

[0022] Optionally, the guide member has a first through hole, the limiting member has a second through hole, and the locking member is configured to pass through the first through hole and the sliding hole in sequence and then extend into the second through hole under the pushing action of the driving member.

[0023] Optionally, the driving component is an electric push-pull mechanism, a pneumatic push-pull mechanism, or an electromagnetic mechanism.

[0024] According to a second aspect of this application, an automobile seat is provided, including the collapsible structure described in the first aspect.

[0025] Optionally, it also includes a frame and a base.

[0026] According to a third aspect of this application, a vehicle is also provided, including the automobile seat described in the second aspect.

[0027] In the collapsible structure of this application embodiment, by setting movable connections between the first support member and the base, between the second support member and the seat frame, and between the first and second support members, and further cooperating with a locking mechanism, a stable support structure can be formed between the first and second support members under normal use, which helps maintain the stability of the seat in a zero-gravity posture, thereby improving riding comfort. Simultaneously, the locking mechanism enables the collapsible structure to respond to the trigger condition of a safety threshold signal and actively unlock. When the vehicle is subjected to abnormal external forces (such as a collision), it can quickly release without damaging the external structure, causing the support structure to become unstable and automatically rotating the seat posture back to a state close to a normal sitting posture. This facilitates the subsequent safety restraint system to exert its restraining effect, helping to improve the occupant restraint effect during a collision and enhancing the safety performance of the seat. Furthermore, the overall collapsible structure is a highly controllable, simple, and flexible mechanism that does not rely on high-energy impacts to trigger deformation. It possesses a certain degree of responsiveness and expandability to adapt to various vehicle platforms, making a positive technical contribution to vehicle safety while improving seat functionality.

[0028] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0031] Figure 1 This is a schematic diagram of the overall structure of the car seat provided in the embodiments of this application;

[0032] Figure 2 This is a partial structural schematic diagram of the car seat provided in the embodiments of this application;

[0033] Figure 3 This is a partial schematic diagram of the collapsible structure provided in the embodiments of this application on the frame and base. Figure 1 ;

[0034] Figure 4 This is an exploded view of the collapsible structure provided in the embodiments of this application on the frame and base. Figure 1 ;

[0035] Figure 5 The connection diagram of the collapsible structure provided in the embodiments of this application is shown in the figure. Figure 1 ;

[0036] Figure 6 The connection diagram of the collapsible structure provided in the embodiments of this application is shown in the figure. Figure 2 ;

[0037] Figure 7 This is a partial schematic diagram of the collapsible structure provided in the embodiments of this application on the frame and base. Figure 2 ;

[0038] Figure 8 This is an exploded view of the collapsible structure provided in the embodiments of this application on the frame and base. Figure 2 .

[0039] Explanation of reference numerals in the attached figures:

[0040] 1. First support component;

[0041] 2. Second support member; 21. Sliding hole;

[0042] 3. Locking mechanism; 31. Driving component; 32. Locking component;

[0043] 4. Guide component; 41. Guide section; 411. Limiting flange; 42. Threaded section; 43. Anti-detachment section; 44. First through hole;

[0044] 5. Limiting component; 51. Second through hole;

[0045] 6. Seat frame;

[0046] 7. Base. Detailed Implementation

[0047] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0048] This application provides a collapse structure; please refer to [link / reference]. Figure 1and Figure 2 The collapsible structure includes a first support member 1, a second support member 2, and a locking mechanism 3. The first support member 1 is configured to be movably connected to the base 7 of the car seat, the second support member 2 is configured to be movably connected to the seat frame 6 of the car seat, and the second support member 2 is also movably connected to the first support member 1. The base 7 and the seat frame 6 are connected by a hinge structure.

[0049] Furthermore, under normal use, the locking mechanism 3 is installed on the seat frame 6 or the first support member 1 and is used to lock the positional relationship between the first support member 1 and the second support member 2. When the first support member 1 and the second support member 2 are locked by the locking mechanism 3, their movement connection is restricted, thereby forming a relatively stable triangular support structure. This helps the seat frame 6 maintain a fixed posture in a relatively tilted zero-gravity state, preventing support instability or structural loosening due to vehicle dynamics. This, in turn, helps the occupant lie on the seat in a near-zero-gravity state, thereby improving riding comfort.

[0050] Based on this, when the locking mechanism 3 receives the unlocking signal, it automatically releases the position lock on the first support member 1 and the second support member 2.

[0051] It is understood that in this application, the unlocking signal is a control signal used to trigger the locking mechanism 3 to release the position lock on the first support member 1 and the second support member 2. The generation of this signal is based on the real-time judgment of the current operating state by the vehicle control system. In specific implementations, the vehicle control system can comprehensively assess whether the vehicle is in a safe or acceptable collapsible trigger state by collecting multiple parameters such as vehicle speed, driving mode, collision warning system output, and sensor monitoring data (such as accelerometer, gyroscope, or collision sensor).

[0052] For example, the signal can be a DC signal, a switching signal, a pulse control signal, a standard or custom control command from the CAN bus, or a cross-domain trigger command generated by the gateway control module via controller area network communication. The control system can set the triggering conditions and priorities of the unlock signal according to the established safety strategy, making the triggering strategy flexible and compatible under different operating conditions. It is worth noting that the specific form and carrier of the unlock signal are not limited to a certain type and can be adjusted according to the vehicle's electronic architecture, adaptive control logic, and requirements, providing strong engineering implementation freedom and platform adaptability.

[0053] Meanwhile, the locking mechanism 3 can also be driven by control signals output from the vehicle's control system. These control signals do not directly depend on threshold exceedances of physical collisions or external impact forces, but are triggered by the control system after a comprehensive assessment of the vehicle's current state. Specifically, the vehicle's control system may include modules such as a vehicle stability control system, airbag control unit, seat controller, inertial measurement unit (IMU), acceleration sensor, collision sensor, or onboard central controller. These modules monitor in real time multiple dimensions of state data during vehicle operation, including but not limited to vehicle speed change rate, longitudinal / lateral acceleration, collision prediction information, braking status, and driver behavior.

[0054] When the control system detects that the vehicle's current state is "below a safety threshold" during operation, such as when the vehicle is stationary, coasting slowly, traveling at low speed, or in a non-hazardous operating environment, and when, combined with other safety restraint systems (such as seatbelt tightening, driver presence confirmation, and no warning from the collision prediction system), the system determines that the vehicle is safe and controllable, it can send a "release" control signal to the locking mechanism 3 through the seat control unit or a dedicated execution module. This signal can be an electrical signal, a pulse signal, or a digital signal, driving the action in the locking mechanism 3 to unlock it, thereby releasing the positional locking relationship between the first support member 1 and the second support member 2.

[0055] It should be noted that "below the safety threshold" mentioned here does not refer to the value of the external force exerted on the vehicle, but rather to a state where the control system determines, based on its internal calculations, that the current environmental risk is high and a change in seat posture is necessary. Triggering the release mechanism in this state improves the responsiveness of the crumple zone and the intelligence of the seat posture adjustment, avoiding safety hazards caused by false or delayed triggering.

[0056] Meanwhile, after the locking mechanism 3 receives the collision trigger signal and releases the lock, since the first support member 1 and the second support member 2 are still movably connected, they can rotate relative to each other under structural limiting conditions. At this time, if the car is in a typical situation such as a forward collision or an offset collision, the occupant's forward inertia will pull the seat belt anchor point fixed to the seat, causing the seat to be subjected to a significant pulling force generated by the occupant's inertial force through the reaction of the seat belt. This pulling force, together with the seat's own weight, can act on the crumple zone, thereby driving the seat frame 6 to rotate from a reclining posture to a direction closer to a normal sitting posture. This rotation angle is usually within a limited range (such as about 10°), which is not enough to completely restore the occupant to an upright state, but it can change the occupant's posture to a certain extent, allowing the shoulder seat belt to regain an effective restraint path, which is beneficial for controlling the force distribution on the chest and neck. The entire collapse process does not rely on structural impact deformation. Instead, it drives structural changes through dynamic response after being triggered by the active control system. It is a collision-independent collapse mechanism based on control signal triggering, which has a certain degree of timely response and smooth posture transition, which helps to reduce the risk of secondary injury.

[0057] It is worth noting that the locking mechanism 3 can adopt a mechanical structure, a magnetic attraction structure, or a composite response mechanism combined with electronic control components to further adapt to different types of vehicle control systems or safety systems, and has a certain degree of scalability and compatibility. In this structure, "active connection" refers to a connection method in which two components have relative rotation or relative sliding capabilities, and is not limited to a specific connecting part form. For example, it can be a pin connection, a sleeve structure, or a flexible rotating shaft. The specific form can be flexibly adjusted according to the overall vehicle seat layout and usage strength requirements. The collapsible structure provided in this embodiment, through the above design, while meeting the functional requirements of zero-gravity seating, helps to drive the seat to generate a limited range of rotation under conditions such as forward collisions, so that the seat posture changes towards a direction that is more conducive to the seat belt's protective effect, thereby improving the occupant restraint efficiency and reducing the risk of collision injury to a certain extent, which has a positive effect on improving the safety performance of vehicle seats.

[0058] In some implementations, combined Figure 2 , Figure 3 and Figure 4A locking mechanism 3 is mounted on the first support member 1 and is used to lock the positional relationship between the first support member 1 and the second support member 2 when the car is in normal driving condition, so as to maintain the stable support state of the seat in zero-gravity mode. When the locking mechanism 3 receives an unlocking signal, the locking mechanism 3 releases the positional lock between the first support member 1 and the second support member 2, allowing relative movement between them. One end of the first support member 1 is hinged to the base 7 of the car seat, and one end of the second support member 2 is hinged to the seat frame 6. The other ends of the first support member 1 and the second support member 2 are set to slide relative to each other, so that the entire structure has a smooth rotation or sliding channel after the lock is released, thereby guiding the seat frame 6 to rotate back to its original position.

[0059] Furthermore, in order to achieve a stable guiding function in this sliding connection, a guide 4 is provided on the first support member 1. The guide 4 is slidably connected to the second support member 2 and slides within the sliding hole 21 provided in the first direction of the second support member 2. The guide 4 can be selected as a sliding column, a ball block, a nested tongue, or other structural types. The specific structural form can be set according to the cross-sectional shape of the sliding hole 21 and the sliding stroke requirements.

[0060] It is worth noting that the first direction is the extension direction of the sliding hole 21, and this direction is consistent with the sliding path of the guide member 4. In actual design, the first direction can be approximately parallel to the length direction of the second support member 2, or it can be spatially offset from the length direction of the second support member 2 at a certain angle, depending on the constraints of the seat structure arrangement, spatial adaptability, and the movement trajectory required for collapse. Therefore, the first direction is not strictly limited to the length direction that is completely consistent with the second support member 2, but is defined with the movement trajectory of the guide member 4 in the sliding hole 21 as the reference direction.

[0061] For example, combined Figure 5 , Figure 5 The diagram shows that the extension direction of the sliding hole 21 is offset upwards from the length direction of the second support member 2.

[0062] For example, combined Figure 6 , Figure 6 The diagram shows that the extension direction of the sliding hole 21 is offset downwards from the length direction of the second support member 2.

[0063] It can be understood that the sliding hole 21 is a narrow slot extending along the second support member 2, which functionally limits the movement trajectory of the guide member 4, preventing unstable states such as separation, jamming, or rotational deviation between the two supports. This structural design, to a certain extent, helps to improve the relative motion stability between the first support member 1 and the second support member 2, and also helps to make the force transmission path clearer and the structural transformation process smoother during seat reset. Through the combined action of hinged connection, sliding guide, and locking mechanism, the process of the seat changing from a zero-gravity state to a regular sitting posture has a clear motion path and good structural control characteristics, without relying on the direct driving force of collision impact to drive deformation, which helps to reduce the discomfort or potential injury to the occupant caused by the reset impact.

[0064] In this embodiment, "relative sliding connection" describes the restricted directional sliding between the first support member 1 and the second support member 2 in the unlocked state via the guide member 4 through the sliding hole 21. This not only limits the degree of freedom of movement between the supports but also indirectly controls the rate and direction of angle change during seat rotation. The combined structure of the "guide member 4" and the "sliding hole 21" essentially constitutes a guide rail system, which not only transmits the movement path of the support structure but also provides a certain degree of force guidance and structural anti-deviation function. The structure of this embodiment has a certain degree of structural compactness, smooth operation, and installation compatibility, which is beneficial for integration in limited seat installation space. It is also applicable to various types of vehicle seat platforms, providing a collapsible structure design scheme that helps improve safety performance while meeting the comfort experience of zero-gravity mode.

[0065] In other alternative implementations, such as Figure 1 , Figure 7 As shown, the locking mechanism 3 is mounted on the seat frame 6 and is used to lock the positions of the first support member 1 and the second support member 2 under normal vehicle operating conditions, limiting their relative movement and thus maintaining the structural stability of the seat in zero-gravity mode. The first end of the first support member 1 is hinged to the base 7, and the first end of the second support member 2 is slidably connected to the seat frame 6. The second ends of both are connected by a hinge, forming a composite connection structure that can slide relative to each other after unlocking and guide structural rotation.

[0066] To further control the sliding path of the second support member 2, a guide member 4 is provided on the seat frame 6. The second support member 2 has a sliding hole 21 along the second direction. The guide member 4 is slidably disposed in the sliding hole 21. The guide member 4 and the sliding hole 21 form a sliding guiding relationship, which is used to limit the movement direction of the second support member 2 when sliding relative to each other.

[0067] It is worth noting that the second direction is the extension direction of the sliding hole 21 in space, that is, the sliding path direction of the guide 4 within the sliding hole 21. This direction is not strictly limited to the length direction of the second support 2, nor is it limited to being strictly consistent with the length direction of the seat frame 6. Rather, it allows for a certain angular offset in space, which can be adjusted according to factors such as seat layout, seat frame 6 structure, and seating posture design.

[0068] For example, in some seat structures, to make the movement trajectory of the guide member 4 more closely match the seat collapse path, the sliding hole 21 can be set to a downward tilt angle relative to the axis of the second support member 2, or it can be slightly tilted upward, or it can be basically consistent with the length direction of the seat frame 6. In this context, using "second direction" to describe the extension direction of the sliding hole 21 can provide greater freedom in structural design, which is beneficial to achieving a stable and controllable sliding fit between the guide member 4 and the sliding hole 21, and also helps to match the actual trajectory of collapse movement in different vehicle structures.

[0069] Through the above design, the sliding of the guide member 4 in the second direction causes the second support member 2 to rotate relative to the seat frame 6, so that the seat can gradually return from a zero-gravity posture to a normal sitting posture under gravity or abuse conditions, thereby improving the response sensitivity and structural compatibility of the collapsible structure.

[0070] It is understood that the guide component 4 can take the form of a pin, roller, guide rail, etc., and its specific structure can be flexibly selected according to the seat space, strength requirements, and manufacturing process. The sliding hole 21 is an elongated structure used to provide a moving channel for the guide component 4, ensuring a stable and smooth sliding process. After the lock is released, because the guide component 4 slides restricted in the sliding hole 21, it drives the second support component 2 to move along a specific trajectory, and links the first support component 1 to rotate relative to it, thereby causing the seat to rotate a limited angle from its original reclining state to the normal sitting direction.

[0071] In some implementations, combined Figure 4 , Figure 8 The guide member 4 includes a guide portion 41, a threaded portion 42, and a non-detachment portion 43. The guide portion 41 is the main structure of the guide member 4. Its outer wall forms a sliding fit with the inner wall of the sliding hole 21 provided on the second support member 2. The guide portion 41 slides along the length direction of the sliding hole 21, providing a restricted relative movement path between the first support member 1 and the second support member 2.

[0072] Furthermore, one end of the guide member 4 is provided with a threaded portion 42, which can be threaded into the first threaded hole or the second threaded hole to adapt to the installation position requirements of the locking mechanism 3 in different embodiments.

[0073] Specifically, when the locking mechanism 3 is mounted on the first support member 1, a first threaded hole is opened at the corresponding position on the first support member 1, and the threaded portion 42 is threadedly connected therein, forming a fixed connection between the guide member 4 and the first support member 1; when the locking mechanism 3 is mounted on the seat frame 6, the guide member 4 is threadedly connected to the second threaded hole provided on the seat frame 6 through the threaded portion 42. The threaded portion 42 enables the guide member 4 to have a detachable connection in the structure, which is beneficial for later maintenance, assembly and size adjustment. It can also adjust the axial preload position of the guide member 4 in the initial state through the threaded engagement, thereby improving the connection stability.

[0074] For example, an anti-detachment part 43 is also provided on the other side of the guide part 41. The outer diameter of the anti-detachment part 43 is larger than the diameter of the sliding hole 21. When the guide member 4 moves to its extreme position, the anti-detachment part 43 forms a stop-fit ​​with the side wall of the second support member 2, thereby preventing the guide member 4 from being dislodged from the sliding hole 21. The anti-detachment part 43 and the limiting flange 411 form a double limiting protection. Combined with the structural form of the sliding hole 21, they constitute a closed guide system. During the sliding process, the guide accuracy is guaranteed, and to a certain extent, it is also beneficial to prevent structural failure caused by the accidental dislodging of the guide member 4.

[0075] It is understood that the guide member 4 provided in the above embodiment, through the sliding fit between the guide part 41 and the sliding hole 21, the double-sided constraint of the limiting flange 411, the detachable connection of the threaded part 42, and the terminal limiting protection of the anti-detachment part 43, constructs a stable, reliable sliding guide mechanism with structural adjustment capability. It establishes a controlled movable connection relationship between the first support member 1 and the second support member 2, which helps to improve the guiding efficiency and structural safety of the collapsible structure during the seat posture change process, and also provides operable space for the adaptation of the collapsible structure in different vehicle models and posture parameters.

[0076] In some implementations, combined with Figure 4 , Figure 8 The collapse structure also includes a limiting member 5, which is disposed on the second support member 2 and is configured to lock with the guide member 4 under the action of the locking mechanism 3.

[0077] For example, the locking mechanism 3 includes a driving member 31 and a locking member 32, wherein the locking mechanism 3 is disposed on the first support member 1 and the driving member 31 is disposed on the first support member 1; when the locking mechanism 3 is configured to be disposed on the seat frame 6 of the car seat, the driving member 31 is disposed on the seat frame 6.

[0078] For example, the locking member 32 is disposed on the driving member 31. The locking member 32 is configured to cooperate with the guide member 4 and the limiting member 5. The driving member 31 is configured to move the locking member 32 when it receives an unlocking signal, so as to lock or unlock the guide member 4 and the limiting member 5 relative to each other.

[0079] For example, the guide member 4 is provided with a first through hole 44, and the limiting member 5 is disposed on the second support member 2 and has a second through hole 51 extending through it. The outer wall of the guide member 4 is slidably engaged with the inner wall of the sliding hole 21 on the second support member 2. When the guide member 4 slides to a specific position in the sliding hole 21, the first through hole 44 and the second through hole 51 can be aligned in the axial direction. The locking member 32 is a movable structural member used to insert into the first through hole 44 and the second through hole 51 in the aligned state to form a locking engagement relationship between the guide member 4 and the limiting member 5.

[0080] Furthermore, the driving member 31 is used to drive the locking member 32 to move in the axial direction, thereby controlling the insertion or withdrawal process of the locking member 32 and thus locking or unlocking the relative motion state between the first support member 1 and the second support member 2. Specifically, the driving member 31 can be an electric push-pull mechanism, a pneumatic push-pull mechanism, or an electromagnetic mechanism, and its output structure is a piston rod or an electromagnetic rod. The piston rod is coaxially connected to the locking member 32, so that the driving member 31 can push the locking member 32 to make precise axial movement when it receives a trigger signal.

[0081] Under normal driving conditions, the guide member 4 is positioned at its lowest point within the sliding hole 21 through a sliding fit. At this point, its first through hole 44 and the second through hole 51 on the limiting member 5 are axially aligned in space. The drive member 31 pushes the locking member 32 through the piston rod to insert it into the first through hole 44 of the guide member 4, and then sequentially passes through the sliding hole 21 of the second support member 2, finally extending into the second through hole 51 of the limiting member 5. This structurally locks the relative sliding between the guide member 4 and the limiting member 5, maintaining a fixed geometric relationship between the first support member 1 and the second support member 2, thereby supporting the seat in a reclining posture in zero-gravity mode. In this state, the occupant can sit comfortably, and the locking structure can enhance the support rigidity to a certain extent, suppressing unnecessary relative slippage between the support members caused by road bumps, which is beneficial to maintaining the stability of the riding experience.

[0082] When an unlocking signal is received, the drive member 31 drives the locking member 32 to move in the reverse exit direction, sequentially exiting the second through hole 51, the sliding hole 21, and the first through hole 44 of the guide member 4, causing the guide member 4 to disengage from the locking state of the limiting member 5. Since the first support member 1 and the second support member 2 still maintain a movable connection, after the locking mechanism 3 is released, the second support member 2 moves in the sliding direction, causing the first support member 1 to rotate relative to it, resulting in a limited angle of rotation from the original reclining state to the normal sitting direction. This rotation angle is typically within the range of about 10°, which is insufficient to restore the seat to an upright state, but helps adjust the occupant's posture, thereby improving the seat belt restraint path and increasing occupant protection efficiency. This crumple zone structure does not rely on direct collision impact to drive structural deformation during its functional implementation; instead, it actively responds to the trigger signal received by the control system, thereby achieving timing control of the crumple zone process. Compared to traditional passive crumple zones, this structure offers greater controllability. Not only is the triggering timing easier to control precisely, but it is also less susceptible to the influence of component manufacturing and assembly tolerances when triggering conditions are consistent. It exhibits a certain degree of triggering consistency and response reliability, which is beneficial for improving the overall safety performance of the seat in dangerous situations such as collisions.

[0083] In this embodiment, the "limiting member 5" is a structural element installed on the second support member 2, which works in conjunction with the locking member 32 to limit the sliding position of the guide member 4; the "locking member 32" is an axially moving component, which can be in the form of a pin, locking rod, or magnetic chuck, and its size must be sufficient to pass through multiple layers of structural components without interference or wobbling; the "driving member 31" is a triggering element, and its action can be based on a collision sensor, acceleration sensor, or other form of abuse detection signal generator integrated in the vehicle control system. Through the above structural collaborative design, the collapsible structure can provide stable support and rapid reset capability under both static and dynamic vehicle conditions, possessing strong safety adaptability and structural versatility, providing technical support for the reliable application of zero-gravity seats.

[0084] Secondly, a car seat is provided, including the collapsible structure of the first aspect.

[0085] In some embodiments, combined with Figure 1 , Figure 2 The car seat also includes a seat frame 6 and a base 7.

[0086] Thirdly, a vehicle is provided, including the car seat of the second aspect.

[0087] The vehicle may be a gasoline-powered vehicle, a plug-in hybrid electric vehicle, or a new energy vehicle, etc., and this disclosure does not make any specific restrictions.

[0088] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0089] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0090] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0091] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A collapsible structure, characterized in that, include: A first support member is configured to be movably connected to the base of a car seat; The second support member is configured to be movably connected to the seat frame of the car seat, and the second support member is also movably connected to the first support member, and the base is hinged to the seat frame; A locking mechanism is configured to be disposed on the seat frame or the first support member, and the locking mechanism is further configured to lock the positions of the first support member and the second support member when the vehicle is in a normal state, and to release the position lock of the first support member and the second support member upon receiving an unlocking signal.

2. The collapse structure according to claim 1, characterized in that, The locking mechanism is located on the first support member.

3. The collapse structure according to claim 2, characterized in that, The first end of the first support member is configured to be hinged to the base of the car seat, the first end of the second support member is configured to be hinged to the seat frame of the car seat, and the second end of the first support member and the second end of the second support member are slidably connected relative to each other.

4. The collapse structure according to claim 3, characterized in that, It also includes a guide member, which is disposed on the first support member and slidably connected to the second support member.

5. The collapse structure according to claim 4, characterized in that, The second support member has a sliding hole along the first direction, and the guide member is slidably connected to the sliding hole.

6. The collapse structure according to claim 1, characterized in that, The locking mechanism is configured to be located on the seat frame of the car seat.

7. The collapse structure according to claim 6, characterized in that, The first end of the first support member is configured to be hinged to the base of the car seat, the first end of the second support member is slidably connected to the seat frame, and the second end of the first support member is hinged to the second end of the second support member.

8. The collapse structure according to claim 7, characterized in that, It also includes a guide member, which is disposed on the seat frame. The second support member has a sliding hole along the second direction, and the guide member is slidably connected to the sliding hole.

9. The collapse structure according to any one of claims 5 or 8, characterized in that, The guide member has a guide portion, the outer wall of which slides in conjunction with the inner wall of the sliding hole.

10. The collapse structure according to claim 9, characterized in that, The guide member also has a threaded portion, which is located on a first side of the guide portion, wherein... When the locking mechanism is provided on the first support member, the first support member has a first threaded hole, and the threaded part is threadedly inserted into the first threaded hole. When the locking mechanism is provided on the seat frame, the seat frame has a second threaded hole, and the threaded part is threadedly inserted into the second threaded hole.

11. The collapse structure according to claim 10, characterized in that, The guide member also has a locking part, which is located on the second side of the guide member and is configured to engage with the side wall of the second support member.

12. The collapse structure according to claim 11, characterized in that, It also includes a limiting member, which is disposed on the second support member and is configured to lock into the guide member under the action of the locking mechanism.

13. The collapse structure according to claim 12, characterized in that, The locking mechanism includes a driving member and a locking member. The locking member is disposed on the driving member and is configured to cooperate with the guide member and the limiting member in a limiting manner. The driving member is configured to drive the locking member to move so as to lock or unlock the guide member and the limiting member relative to each other.

14. The collapse structure according to claim 13, characterized in that, The guide member has a first through hole, the limiting member has a second through hole, and the locking member is configured to pass through the first through hole and the sliding hole in sequence and then extend into the second through hole under the pushing action of the driving member.

15. The collapsible structure according to claim 14, characterized in that, The driving component is an electric push-pull mechanism, a pneumatic push-pull mechanism, or an electromagnetic mechanism.

16. A car seat, characterized in that, Includes the collapse structure as described in any one of claims 1 to 15.

17. The automobile seat according to claim 16, characterized in that, It also includes the frame and base.

18. A vehicle, characterized in that, Including the car seat as described in any one of claims 16 or 17.

Images