Automobile seat with self-adaptive armrest
By designing an adaptive armrest structure on the car seat, and using linkages and damping devices to keep the armrest horizontal when the backrest is flipped, the problem of poor riding experience caused by the armrest flipping with the backrest is solved, and a better user experience and space utilization are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-31
AI Technical Summary
The backrests and armrests of existing car rear seats are set at a fixed angle. When the backrests are flipped, the armrests also flip, resulting in a poor passenger experience.
Design an adaptive armrest structure that connects the seat frame, backrest, and armrest body via linkages to ensure that the armrest remains horizontal during backrest rotation. A four-bar linkage and damping device are used to limit the armrest position.
It improves the passenger experience, reduces the swing range and space occupation of the armrests, has a more spacious design, and has low production costs, making it suitable for market promotion.
Smart Images
Figure CN224060877U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive technology, specifically to a car seat with adaptive armrests. Background Technology
[0002] With the increasing prevalence of in-car screens and the growing demand for comfort, there is a growing need for rear seats to recline. However, because the armrests on the rear seats are set at a fixed angle to the seatbacks when opened, they also tilt (or tilt upwards) when the seatbacks are folded back (i.e., reclined). This armrest design results in a less than ideal passenger experience. Utility Model Content
[0003] To overcome the shortcomings of existing technologies, a car seat with adaptive armrests is provided to solve the problem that the backrest and armrest of existing car rear seats are set at a fixed angle, and the armrests flip when the backrest is flipped, resulting in a poor experience for passengers.
[0004] To achieve the above objectives, a car seat with adaptive armrests is provided, comprising:
[0005] The invention includes a seat frame, a backrest that can be flipped relative to the seat frame, and an armrest body that can be flipped relative to the backrest between a stowed position and a used position, characterized in that the seat frame is provided with a first connecting arm, and the backrest is flipped to the first connecting arm via a lower pivot.
[0006] The backrest is equipped with a second connecting arm, and the armrest body is rotatably mounted on the second connecting arm via an upper pivot.
[0007] The first connecting arm is connected to the handrail body by a connecting rod. One end of the connecting rod is hinged to the handrail body, and the other end of the connecting rod is slidably connected to the first connecting arm.
[0008] During the backrest flipping process, the linkage pulls the armrest body to keep the armrest body always set in a horizontal direction.
[0009] Furthermore, the upper end of the connecting rod is hinged to the handrail body via a hinge shaft, and the lower end of the connecting rod has a strip-shaped hole in which a pin slides, and the pin is connected to the first connecting arm.
[0010] Furthermore, the upper end of the connecting rod is hinged to the handrail body via a hinge shaft, and a strip-shaped hole is provided on the first connecting arm, in which a shaft pin slides, and the shaft pin is connected to the lower end of the connecting rod.
[0011] Furthermore, it also includes damping provided on the handrail body, and a pressing pin is provided on the second connecting arm, which presses against the circumferential side of the damping.
[0012] Furthermore, the damping is fixedly sleeved on the upper rotating shaft.
[0013] Furthermore, the circumferential side of the damper has a first limiting part and a second limiting part that are arranged opposite to each other.
[0014] Furthermore, the first and second limiting portions are recessed so that when the abutment falls into the first or second limiting portion, the armrest body can be restricted to the folded or used position.
[0015] Furthermore, the angle between the connecting rod of the handrail body in the retracted position and the connecting rod of the handrail body in the use position is set to 36° to 38°.
[0016] The beneficial effects of this utility model are as follows: The car seat with adaptive armrests of this utility model has a four-bar linkage structure, which is formed by a first connecting arm on the seat frame hinged to the backrest, a second connecting arm on the backrest hinged to the armrest body, and a connecting rod with one end hinged to the armrest body and the other end slidably hinged to the first connecting arm. This allows the armrest body to remain in a flat state during the backrest rotation, improving the passenger experience. Furthermore, the linkage swing amplitude is small, the space occupation is small, and it is easier to conceal, allowing for more flexible requirements on the armrest body's shape. On the other hand, the production cost of the car seat with adaptive armrests of this utility model is low, making it suitable for market promotion. Attached Figure Description
[0017] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0018] Figure 1 This is a structural schematic diagram of a car seat with adaptive armrests according to an embodiment of the present invention.
[0019] Figure 2 This is a partially enlarged schematic diagram of a car seat with adaptive armrests according to an embodiment of the present invention.
[0020] Figures 3 to 7 This diagram illustrates the movement of a car seat with adaptive armrests during the armrest opening and backrest flipping processes, as described in an embodiment of this utility model.
[0021] Figures 8 to 12 This is a schematic diagram illustrating the relative states of damping and counteracting during the armrest opening and backrest flipping processes according to an embodiment of the present invention.
[0022] Figure 13 This is a schematic diagram of the linkage's movement trajectory during the handrail opening process, according to an embodiment of the present invention.
[0023] Figure 14This is a schematic diagram of the linkage's motion trajectory during the backrest flipping process, according to an embodiment of the present invention.
[0024] Figure 15 This is a schematic diagram of the structure of the handrail body according to an embodiment of the present utility model.
[0025] Figure 16 This is an exploded structural diagram of the handrail body according to an embodiment of the present utility model.
[0026] Figure label:
[0027] Handrail body 1, upper pivot 11;
[0028] Connecting rod 2, strip hole 20, hinge shaft 21, pin 22;
[0029] Damping 3, first limiting part 31, second limiting part 32;
[0030] Rear seat 44, seat frame 41, first connecting arm 411, backrest 42, lower pivot 421, second connecting arm 422, pressure abutment 423, ear plate 424. Detailed Implementation
[0031] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.
[0032] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0033] Reference Figures 1 to 16 As shown, this utility model provides a car seat with adaptive armrests, including a seat frame 41, a backrest 42, and an armrest body 1.
[0034] The backrest 42 can be flipped relative to the seat frame 41, meaning the backrest 42 is rotatably mounted on the rear end of the seat frame 41. A seat basin and cushion are mounted on the seat frame 41 to support the occupants. The armrest body 1 can be flipped relative to the backrest 42 between a stowed position and a usable position. In this embodiment, the armrest body 1 is rotatably mounted on the backrest 42, and the armrest body 1 and the backrest 42 can be flipped in the same direction, both towards the front and back. The armrest body 1 is the armrest of the rear seat 44 of a car; its stowed position is when the armrest body 1 is completely fitted into the backrest 42; its usable position is the flipped-flat state as shown in the figure.
[0035] The seat frame 41 is provided with a first connecting arm 411. The backrest 42 is rotatably mounted to the first connecting arm 411 via a lower pivot 421.
[0036] The backrest 42 is provided with a second connecting arm 422. The armrest body 1 is rotatably mounted on the second connecting arm 422 via an upper pivot 11.
[0037] The first connecting arm 411 is connected to the handrail body 1 via a connecting rod 2. One end of the connecting rod 2 is hinged to the handrail body 1. The other end of the connecting rod 2 is slidably connected to the first connecting arm 411.
[0038] During the flipping process of the backrest 42, the connecting rod 2 pulls the armrest body 1 so that the armrest body 1 is always set in a horizontal direction.
[0039] like Figure 2 As shown, the backrest 42 is rotatably mounted to the first connecting arm 411 via a lower pivot 421. Preferably, the seat frame 41 has first connecting arms 411 at opposite ends in the width direction of the vehicle body. The upper end of each first connecting arm 411 has a shaft hole. A lug plate 424 is mounted on the lower part of the frame of the backrest 42. The lug plate 424 is connected to the lower pivot 421. The lower pivot 421 is rotatably inserted into the shaft hole at the upper end of the first connecting arm 411 to achieve a pivotal connection between the lug plate 424 and the first connecting arm 411.
[0040] The backrest 42 is provided with a second connecting arm 422. The second connecting arm 422 is formed in the middle of the frame of the backrest 42. The second connecting arm 422 is disposed above the ear plate 424. The armrest body 1 is rotatably mounted to the second connecting arm 422 via an upper pivot 11. Preferably, in this embodiment, the upper pivot 11 is mounted on the armrest body 1 in its width direction, that is, the upper pivot 11 is disposed along the width direction of the armrest body 1, and the opposite ends of the upper pivot 11 extend to the outside of the armrest body 1. When the armrest body 1 is laid flat outward and downward from the backrest 42, the armrest body 1 has one end close to the backrest 42 and another end away from the backrest 42. The upper pivot 11 is disposed at the end of the armrest body 1 close to the backrest 42.
[0041] Continue reading Figure 2 As shown, the lower pivot 421 is located in the middle of the first connecting arm 411, and the upper part of the first connecting arm 411 extends toward the rear side of the rear seat 44 and is slidably connected to the lower end of the connecting rod 2. In this embodiment, "front," "front side," or "front end" in the front-rear direction refers to the direction toward the front of the car, and conversely, "rear," "rear side," or "rear end" in the front-rear direction refers to the direction toward the rear of the car. The two ends of the connecting rod 2 are respectively hinged to one end of the armrest body 1 and the rear end of the first connecting arm 411 via the hinge shaft 21 and the pin 22.
[0042] During the flipping process of the backrest 42, the connecting rod 2 pulls the armrest body 1 so that the armrest body 1 is always set in a horizontal direction, that is, the armrest body 1 is set in a flat state.
[0043] See Figures 5 to 7 As shown, Figure 5 The diagram shows the states of various components of the car seat with adaptive armrests according to this invention, with the armrest body 1 flipped forward and laid flat. Figure 6 The diagram shows the various components of the car seat with adaptive armrests according to this invention, with the armrest body 1 flat and the backrest 42 flipped backward. Figure 7 The diagram shows the various components of the car seat with adaptive armrests of this invention when the armrest body 1 is flat and the backrest 42 is flipped forward.
[0044] In this embodiment, the connecting rod 2 is located on the rear side of the upper rotating shaft 11 and the lower rotating shaft 421. Specifically, as shown... Figure 5 As shown, with the armrest body 1 in a flat position, the upper pivot 11 serves as the fulcrum, and the connecting rod 2 is connected between the rear end of the first connecting arm 411 of the seat frame 41 and one end of the armrest body 1, so that the armrest body 1 is positioned horizontally. When the armrest is tilted forward (e.g....), Figure 6 (as shown) or flipped back (as shown) Figure 7 During the process (as shown), the connecting rod 2 is always connected between the rear end of the first connecting arm 411 and one end of the armrest body 1, so that the armrest body 1 can always be set in a horizontal position regardless of the posture of the backrest 42. The upper pivot 11, lower pivot 421, hinge shaft 21, and axle pin 22 are arranged in the same direction. At the same time, the connecting rod 2 is installed at the rear end of the first connecting arm 411, and the backrest 42 is installed on the first connecting arm 411 through the lower pivot 421. The armrest body 1 and the seat frame 41 are connected by the connecting rod 2 to form an adaptive armrest that can keep the armrest body 1 in a horizontal state when it is flat.
[0045] This invention relates to a car seat with adaptive armrests (such as the side armrests of second-row seats or the armrests of rear seats). The armrests are hinged to the backrest via a first connecting arm on the seat frame, and to the armrest body via a second connecting arm on the backrest. A four-bar linkage is formed by a connecting rod with one end hinged to the armrest body and the other end slidably hinged to the first connecting arm. This allows the armrest body to remain flat during backrest rotation, improving the passenger experience. Furthermore, the linkage has a small swing amplitude, occupies little space, is easier to conceal, and allows for more flexible design requirements for the armrest body. On the other hand, this car seat with adaptive armrests has low production costs, making it suitable for market promotion.
[0046] In a preferred embodiment, the upper end of the connecting rod 2 is hinged to the handrail body 1 via a hinge shaft 21. A slotted hole 20 is provided at the lower end of the connecting rod 2. A pin 22 slides through the slotted hole 20. The pin 22 is connected to the first connecting arm 411. Alternatively, the first connecting arm 411 may also have a slotted hole 20, with the pin 22 sliding through it, and the pin 22 connected to the lower end of the connecting rod 2. Again, the first connecting arm 411 may have a slotted hole, with the pin 22 sliding through it, and the pin 22 connected to the lower end of the connecting rod 2.
[0047] See Figure 15 and Figure 16 As shown, the handrail body 1 has connecting rods 2 on opposite sides in its width direction. The upper end of the connecting rod 2 is hinged to one end of the handrail body 1 via a hinge shaft 21. The lower end of the connecting rod 2 has a slotted hole 20. The slotted hole 20 is arranged along the length direction of the connecting rod 2. A pin 22 is slidably disposed in the slotted hole 20. The pin 22 is connected to the rear end of the first connecting arm 411.
[0048] To facilitate the storage of the handrail body 1, a strip hole 20 is provided at the lower end of the connecting rod 2. The lower pivot 421 slides and rotates within the lower end of the connecting rod 2 to achieve the free storage and outward flipping of the handrail body 1. The arrangement of the grooves on the connecting rod 2, in addition to fulfilling basic functions and having a simple structure, also offers advantages such as a smaller swing amplitude, less space occupation, easier concealment, and more lenient requirements on the shape of the handrail body 1.
[0049] For details, please refer to Figures 3 to 5 ,in, Figure 3 The diagram shows the state of each component of the car seat with adaptive armrests of this invention, where the armrest body 1 is housed within the backrest 42. Figure 4 The diagram shows the various components of the car seat with adaptive armrests according to this invention, with the armrest body 1 facing forward and flipped downwards. Figure 5 The diagram shows the various components of the car seat with adaptive armrests according to this invention, with the armrest body 1 flipped forward and laid flat.
[0050] When the armrest body 1 is stored in the receiving compartment of the backrest 42, the lower pivot 421 slides to the upper end of the slot 20 of the connecting rod 2. As the armrest body 1 flips outward and forward, the lower pivot 421 slides downward along the length of the slot 20 of the connecting rod 2. When the armrest body 1 is laid flat, the lower pivot 421 slides to the lower end of the slot 20. At this time, the connecting rod 2 is connected between one end of the armrest body 1 and the extension, ensuring that the armrest body 1 is set in a horizontal position.
[0051] In a preferred embodiment, the width of the opening of the slot 20 is adapted to the outer diameter of the pin 22. The pin 22 can slide stably along the length of the slot 20 and rotate within the slot 20.
[0052] See Figure 13 As shown, when the armrest body 1 of the car seat with adaptive armrest of this utility model is stored in the accommodating compartment of the backrest 42, the connecting rod 2 is in position A; when the armrest body 1 is opened and flipped outward, the connecting rod 2 is in position B; when the armrest body 1 is flat, the connecting rod 2 is in position C.
[0053] See Figure 14 As shown, in the flat state of the armrest body 1 of the car seat with adaptive armrest of this utility model, the connecting rod 2 is in position C. When the backrest 42 is flipped backward to the rear limit position, the connecting rod 2 is in position D; when the backrest 42 is flipped forward to the front limit position, the connecting rod 2 is in position E.
[0054] Combination Figure 13 and Figure 14 As shown, the area swept by the motion trajectory of link 2 is relatively small, which makes the car seat with adaptive armrest of this invention occupy less space, which is beneficial for space arrangement and makes the product look better.
[0055] The car seat with adaptive armrests of this utility model also includes a damper 3 disposed on the armrest body 1. Specifically, the damper 3 is fixedly sleeved on the upper rotating shaft 11. A pressing pin 423 is provided on the second connecting arm 422. The pressing pin 423 is arranged in the same direction as the upper rotating shaft 11. The pressing pin 423 presses against the circumferential side of the damper 3.
[0056] In a preferred embodiment, the circumferential side of the damper 3 is provided with a first limiting portion 31 and a second limiting portion 32 disposed opposite to each other.
[0057] In this embodiment, the first limiting part 31 and the second limiting part 32 are recessed so that when the pressing pin 423 falls into the first limiting part 31 or the second limiting part 32, the armrest body 1 can be restricted to the folded position or the use position.
[0058] In this embodiment, the damper 3 has a generally mountain-shaped cross-section. The pressure pin 423 slides along the circumferential surface of the damper 3, and the two extreme positions of the pressure pin 423 correspond to the positions of the first limiting part 31 or the second limiting part 32 on the damper 3. The first limiting part 31 or the second limiting part 32 further cooperate to ensure that the handrail body 1 remains horizontal when the handrail body 1 is laid flat. (See reference...) Figure 8 As shown, when the armrest body 1 is in the retracted position, the pressure pin 423 is embedded in the recess of the first limiting part 31; see reference Figure 12As shown, when the handrail body 1 is in the use position, the pressure pin 423 is embedded in the recess of the second limiting part 32.
[0059] In a preferred embodiment, the angle between the connecting rod of the armrest body 1 in the folded position and the connecting rod 2 of the armrest body 1 in the use position is set to 36° to 38°. The connecting rod 2 of the adaptive armrest car seat of this invention has a smaller swing amplitude, occupies less space, is easier to conceal, and allows for more flexible design requirements for the armrest body 1.
[0060] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.
Claims
1. A car seat with an adaptive armrest, comprising a seat frame (41), a backrest (42) that can be pivoted relative to the seat frame, and an armrest body (1) that can be pivoted relative to the backrest (42) between a stowed position and a use position, characterized in that, The seat frame (41) is provided with a first connecting arm (411), and the backrest (42) is pivotally installed on the first connecting arm (411) through a lower pivot (421). The backrest (42) is provided with a second connecting arm (422), and the armrest body (1) is pivotally installed on the second connecting arm (422) through an upper pivot (11). The first connecting arm (411) and the armrest body (1) are connected through a connecting rod (2), one end of the connecting rod (2) is hinged to the armrest body (1), and the other end of the connecting rod (2) is slidingly hinged to the first connecting arm (411). During the pivoting of the backrest (42), the connecting rod (2) pulls the armrest body (1) so that the armrest body (1) is always arranged in a horizontal direction.
2. The automotive seat with an adaptive armrest according to claim 1, characterized in that, The upper end of the connecting rod (2) is hinged to the armrest body (1) through a hinge shaft, the lower end of the connecting rod (2) is provided with a strip-shaped hole (20), a shaft pin is slidingly arranged in the strip-shaped hole (20), and the shaft pin is connected to the first connecting arm (411).
3. The automotive seat with an adaptive armrest according to claim 1, wherein, The upper end of the connecting rod (2) is hinged to the armrest body (1) through a hinge shaft, a strip-shaped hole is formed in the first connecting arm (411), a shaft pin (22) is slidingly arranged in the strip-shaped hole, and the shaft pin (22) is connected to the lower end of the connecting rod (2).
4. The automotive seat with an adaptive armrest according to claim 1, wherein, A damping (3) arranged on the armrest body (1) is further included, a pressing pin (423) is arranged on the second connecting arm (422), and the pressing pin (423) is pressed against the circumferential side of the damping (3).
5. The automotive seat with an adaptive armrest according to claim 4, characterized in that, The damping (3) is fixedly sleeved on the upper pivot (11).
6. The automotive seat with an adaptive armrest according to claim 4, wherein, The circumferential side of the damping (3) is formed with oppositely arranged first and second limiting portions (31) and (32).
7. The automotive seat with an adaptive armrest according to claim 6, characterized in that, The first and second limiting portions (31) and (32) are recessed, so that when the pressing pin (423) falls into the first or second limiting portion (31) or (32), the armrest body (1) can be limited in the storage position or the use position.
8. The automotive seat with an adaptive armrest according to claim 1, wherein, The included angle between the connecting rod when the armrest body is in the storage position and the connecting rod when the armrest body is in the use position is 36°-38°.