Seat with folding table plate and automobile
By installing anti-pinch sensors on the seat tabletop, combined with an electronic control unit and drive mechanism, the problem of inaccurate anti-pinch function of existing seat tabletops has been solved, achieving accurate anti-pinch control and intelligence of the tabletop, thus improving the user experience.
Patent Information
- Application Number
- CN202520721619.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-16
AI Technical Summary
Existing anti-pinch functions for chairs and tables are often structurally complex or have inaccurate detection, resulting in insufficient safety and a poor user experience.
Anti-pinch sensors are installed on the tabletop or linkage mechanism to identify object contact during folding. Anti-pinch control is achieved by controlling the drive mechanism through the electronic control unit (ECU), thereby improving the sensitivity and accuracy of detection and identification.
It achieves accurate anti-pinch control of the tabletop, has a simple structure, is suitable for large-scale industrial production, improves the intelligence level of seats and automobiles, and provides a good user experience.
Smart Images

Figure CN223904934U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to intelligent seat technical field, more specifically, especially, a kind of seat with folding table board, and the car of application this seat. BACKGROUND
[0002] With the rapid development of era, intelligent, electric concept product has gradually penetrated into all aspects of people's life, and everywhere can be seen. Among them, the intelligent development of traffic tool is rapid, in car, high-speed rail, airplane, the intelligent demand of seat is more and more valued by people.
[0003] Common seat back is equipped with the table board, and passenger places water cup, mobile phone or other articles. At present, there are a small amount of electrically driven seat table board products, which can automatically control the opening and retraction of the table board, and some folding table boards also provide anti-pinch function, but the existing anti-pinch function has the problems of complex implementation structure or inaccurate detection trigger, the safety cannot be guaranteed, the user experience is not high, it is necessary to provide improved technical scheme. UTILITY MODEL CONTENT
[0004] In view of the above, the utility model aims to solve one of the technical problems existing in the prior art. To this end, the utility model provides a seat with a folding table board and a car applying the seat. By setting an anti-pinch sensor on the folding movement path of the table board or the connecting rod mechanism, the anti-pinch sensor is used to contact and identify the touching object in the folding process, to realize anti-pinch, improve the sensitivity of detection and identification, and the structure is simple, suitable for large-scale industrial production.
[0005] Therefore, in a first aspect, the utility model embodiment provides a seat with a folding table board, comprising:
[0006] seat backrest;
[0007] table board;
[0008] connecting rod mechanism, both ends are rotatably connected to the seat backrest and the table board;
[0009] drive mechanism, arranged in the table board or the seat backrest, the drive mechanism includes electronic control unit (ECU), the drive mechanism is drivingly connected to the end part corresponding to the connecting rod mechanism and the table board or the seat backrest, the ECU can control the drive mechanism to drive the connecting rod mechanism to drive the table board to rotate and fold or rotate and open relative to the seat backrest; and,
[0010] anti-pinch sensor, arranged in at least one of the connecting rod mechanism or the table board, the anti-pinch sensor is located on the movement path of the relative rotation and folding of the table board and the seat backrest, and the anti-pinch sensor is electrically connected to the ECU.
[0011] Preferably, the driving mechanism further comprises a driving motor controlled by the ECU to drive the connecting rod mechanism.
[0012] Preferably, the anti-pinch sensor comprises a first sensor arranged at an edge portion of the upper side of the table board, and the first sensor is electrically connected to the driving mechanism through a connecting line via the housing of the table board.
[0013] Preferably, the upper side of the table board is provided with a bearing portion, and the edge portion surrounds the bearing portion and is relatively protruding from the bearing portion.
[0014] Preferably, the first sensor is arranged at a distal edge portion of the table board relatively far away from the seat back and two side edge portions adjacent to the front edge portion.
[0015] Preferably, the connecting rod mechanism comprises a first connecting rod and a second connecting rod, two ends of the first connecting rod are connected to a first position of the seat back and a proximal edge portion of the table board adjacent to the seat back respectively, two ends of the second connecting rod are connected to a second position of the seat back and a middle region of the table board respectively, the first position is located relatively below the second position, and the anti-pinch sensor comprises a second sensor arranged at a side of the second connecting rod adjacent to the first connecting rod.
[0016] Preferably, the second sensor is clamped or back-stuck to the second connecting rod, a wire passing groove is arranged in the second connecting rod, and the second sensor is electrically connected to the driving mechanism through a connecting line via the wire passing groove.
[0017] Preferably, the number of the first connecting rod and the second connecting rod is two groups, and the two groups are arranged at opposite sides of the table board respectively, the table board is provided with two accommodation grooves extending inward from the proximal edge portion, and the first connecting rod and the second connecting rod are respectively accommodated in the accommodation grooves in a rotating manner.
[0018] Preferably, the anti-pinch sensor comprises a contact type conductive composite material sensor or a capacitive sensor; and / or, the anti-pinch sensor is arranged in a strip structure.
[0019] In a second aspect, the utility model embodiment further provides a car, including power supply platform, central control platform and the seat with folding table board according to the first aspect, the driving mechanism is electrically connected with the power supply platform and the central control platform respectively.
[0020] The utility model provides a seat and car with folding table board, through setting up anti -pinch sensor on the table board or transmission connecting rod, specific setting is in the side part of table board or connecting rod mechanism in the folding movement direction, so that the table board or transmission connecting rod in the folding movement process, can identify detection object contact in time, and feedback detection signal to drive mechanism, drive mechanism can control drive connecting rod and the folding action of table board according to feedback detection signal, to realize accurate anti -pinch control, the seat structure of this folding table board is simple, and realizes the rotation of stable control table board skeleton and anti -pinch control, further realizes the intelligentization of seat and the intelligentization of car, provides good use experience for the user. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 The utility model provides a seat with folding table board in the side view structure schematic drawing of table board open state;
[0022] Figure 2 For Figure 1 The utility model provides a seat with folding table board in the side view structure schematic drawing of table board open state;
[0023] Figure 3 For Figure 2 The utility model provides a seat with folding table board in the side view structure schematic drawing of table board open state;
[0024] Figure 4 For Figure 2 The utility model provides a seat with folding table board in the side view structure schematic drawing of table board open state;
[0025] Figure 5 For Figure 1 The utility model provides a seat with folding table board in the side view structure schematic drawing of table board open state;
[0026] Figure 6 For Figure 1 The utility model provides a seat with folding table board in the side view structure schematic drawing of table board open state;
[0027] Figure 7 The utility model provides a seat with folding table board in the side view structure schematic drawing of table board open state; DETAILED DESCRIPTION
[0028] The embodiments of the utility model will be described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.
[0029] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For the sake of simplicity, the description below of a particular embodiment or example does not cite every feature of the present application. This omission, however, does not result in a disclaimer of those features of the present application. Indeed, all features of the present application described below can be combined with either this or other embodiments of the present application. Furthermore, the disclosure below provides various examples of processes, materials, and the like that can be used with the present application. One skilled in the art will recognize that other processes, materials, and the like can be used with the present application.
[0030] Reference is made to Figures 1 to 4 and Figure 7 The present application provides a seat with folding table board 100, which is applied to a car, a high-speed train or an airplane, can be automatically folded and opened, and can accurately realize anti-pinch control during folding.
[0031] The seat with folding table board 100 comprises:
[0032] A seat backrest 10;
[0033] A table board 20;
[0034] A connecting rod mechanism 30, both ends of which are respectively rotatably connected to the seat backrest 10 and the table board 20;
[0035] A driving mechanism 40 arranged in the table board 20 or the seat backrest 10, the driving mechanism 40 being drivingly connected to the connecting rod mechanism 30 and the end of the table board 20 or the seat backrest 10 corresponding to the connecting rod mechanism 30, the ECU being capable of controlling the driving mechanism to drive the connecting rod mechanism 30 to drive the table board 20 to rotate and fold or rotate and open relative to the seat backrest 10; and
[0036] An anti-pinch sensor 50 arranged in at least one of the connecting rod mechanism 30 or the table board 20, the anti-pinch sensor 50 being located on a movement path of the table board 20 relative to the seat backrest 10 during rotation and folding, the anti-pinch sensor 50 being electrically connected to the ECU.
[0037] In the embodiment, the driving mechanism 40 is arranged in the table board 20, and the driving mechanism 40 is controlled by the ECU to drive the connecting rod mechanism 30 to rotate and fold or rotate and open the table board 20 relative to the seat back 10. In the folding process of the table board 20 relative to the seat back 10, the anti-pinch sensor 50 can contact and identify an abnormal object in the folding path, and transmit an identification signal to the driving mechanism 40. The driving mechanism 40 can further control the table board 20 to stop folding or reverse movement according to the identification signal, so as to realize automatic anti-pinch control.
[0038] Further, the driving mechanism 40 comprises a driving motor 41 controlled by the ECU to drive the connecting rod mechanism 30.
[0039] Further, the anti-pinch sensor 50 comprises a first sensor 51 arranged on the edge portion 21 of the upper side of the table board 20. The first sensor 51 is electrically connected to the driving mechanism 40 through a connecting line (not shown in the figure) of the housing of the table board 20. In the embodiment, the first sensor 51 is arranged on the edge portion 21 of the upper side of the table board 20, which can further improve the timeliness of foreign object identification.
[0040] Further, the upper side of the table board 20 is provided with a bearing portion 22, and the edge portion 21 surrounds the bearing portion 22 and protrudes relative to the bearing portion. In the embodiment, the edge portion 21 protrudes from the bearing portion 22, i.e. the first sensor 51 protrudes from the bearing portion 22, so that the first sensor 51 can contact the abnormal object more preferentially than other parts of the table board 50, thereby further improving the accuracy and sensitivity of the anti-pinch control.
[0041] Further, the first sensor 51 is arranged on the distal edge portion of the table board 20 away from the seat back 10 and the two side edge portions adjacent to the front edge portion. In the embodiment, the first sensor 51 is arranged on the distal edge portion and the two side edge portions, but not on the proximal edge portion, which can further simplify the structure and save resources while ensuring the accuracy of anti-pinch identification.
[0042] Further, the linkage mechanism 30 comprises a first linkage 31 and a second linkage 32, two ends of the first linkage 31 are connected with a first position 11 of the seat back 10 and a proximal edge portion of the table plate 20 adjacent to the seat back 10 respectively, two ends of the second linkage 32 are connected with a second position 12 of the seat back 10 and a middle region of the table plate 20 respectively, the first position 11 is located below the second position 12 oppositely, the anti-pinch sensor 50 comprises a second sensor 52, the second sensor 52 is arranged on a side of the second linkage 32 adjacent to the first linkage 31. In the embodiment, the second sensor 52 is mainly used for detecting and identifying an abnormal article between the first linkage 31 and the second linkage 32, so as to avoid causing injury to a hand or an article in the middle of the linkage mechanism 30 in the closing process. It can be understood that the second sensor 52 can also be arranged on a side of the first linkage 31 adjacent to the second linkage 32.
[0043] Further, the second sensor 52 is connected or bonded with the second linkage 32, a wire passing groove (not shown in the figure) is arranged in the second linkage 32, and the second sensor 52 is electrically connected with the driving mechanism 40 through a connecting line passing through the wire passing groove. In the embodiment, the connecting line of the second sensor 52 is arranged in the second linkage 32, so that the wiring structure is optimized.
[0044] Further, the first linkage 31 and the second linkage 32 are two groups, which are arranged on opposite sides of the table plate 20 respectively, the table plate 20 is provided with two accommodation grooves 23 extending inward from the proximal edge portion, and the first linkage 31 and the second linkage 32 are respectively rotatably accommodated in the accommodation grooves 23. In the embodiment, two groups of driving linkages 30 are arranged, so that the table plate 20 is symmetrically supported, and the structure is stable and reliable.
[0045] Further, the anti-pinch sensor 50 comprises a contact type conductive composite material sensor or a capacitive sensor, and the recognition sensitivity is high. In addition, the anti-pinch sensor 50 is arranged in a strip structure, the first sensor 51 is arranged along the length direction of the second linkage 32, and the second sensor 52 is arranged along the edge portion of the table plate 20, so that the detection and recognition area is increased, and the anti-pinch recognition sensitivity is further improved.
[0046] In a second aspect, the utility model also provides a kind of car, including power supply platform, central control platform and the seat 100 of folding table plate according to the first aspect, and the driving mechanism 40 is electrically connected with the power supply platform and the central control platform respectively.
[0047] Please refer to Figure 5When the object 200 enters the movement area of the driving link 30, the object 200 extrudes the anti-pinch sensor 50, when the anti-pinch reaches the trigger deformation amount, the anti-pinch sensor outputs an electric signal to the controller (ECU), the ECU controls the pause operation or reverse action of the electric table plate, to avoid the occurrence of pinching accidents.
[0048] Please refer to Figure 6 In the folding process of the table plate 20, when the object 200 enters between the table plate 20 and the seat back 10, the object 200 extrudes the anti-pinch strip, and then triggers the anti-pinch function.
[0049] Please refer to Figure 7 When the table plate 20 reaches a specific anti-pinch sensor 50 trigger position in the movement process, when any anti-pinch sensor triggers a signal to the ECU, the ECU controls the table plate 20 to pause and reverse through the PWM driving signal. In particular, the number and arrangement position of the anti-pinch sensor can be selected according to different scenes.
[0050] The utility model provides a seat with folding table plate and car, through setting up anti -pinch sensor on table plate or transmission connecting rod, specific setting in the side part of table plate or connecting rod mechanism in folding movement direction, make table plate or transmission connecting rod in folding movement process, can identify detection object contact in time to feedback detection signal to drive mechanism, drive mechanism can control folding action of driving link and table plate according to feedback detection signal, to realize accurate anti -pinch control, this seat with folding table plate structure is simple, and realized stable control table plate skeleton's rotation and anti -pinch control, further realize the intelligentization of seat and the intelligentization of car, provide good use experience for the user.
[0051] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or features of the embodiments or examples described in the present specification without contradiction.
[0052] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.
Claims
1. A seat with a folding table board, characterized by, The table board is provided with a bearing portion, and the edge portion is protruded relative to the bearing portion. The first sensor is arranged on the distal edge portion of the table board away from the seat back and two side edge portions adjacent to the distal edge portion. The linkage mechanism comprises a first linkage and a second linkage, two ends of the first linkage are connected to a first position of the seat back and a proximal edge portion of the table board adjacent to the seat back respectively, two ends of the second linkage are connected to a second position of the seat back and a middle region of the table board respectively, the first position is located below the second position, the anti-pinch sensor comprises a second sensor, and the second sensor is arranged on a side of the second linkage adjacent to the first linkage. The second sensor is connected to the second linkage through clamping or back-sticking bonding, a wire passing groove is arranged in the second linkage, and the second sensor is electrically connected to the driving mechanism through a connecting line passing through the wire passing groove. The number of the first linkage and the second linkage is two groups, which are arranged on opposite sides of the table board respectively, the table board is provided with two accommodation grooves extending inward from the proximal edge portion, and the first linkage and the second linkage are rotatably accommodated in the accommodation grooves. The anti-pinch sensor comprises a contact type conductive composite material sensor or a capacitive sensor; and / or the anti-pinch sensor is arranged in a strip structure. The table board is provided with a bearing portion, and the edge portion is protruded relative to the bearing portion.
2. The seat with a folding table board according to claim 1, characterized in that, The first sensor is arranged on the distal edge portion of the table board away from the seat back and two side edge portions adjacent to the distal edge portion.
3. The seat with a folding table board according to claim 1, characterized in that, The linkage mechanism comprises a first linkage and a second linkage, two ends of the first linkage are connected to a first position of the seat back and a proximal edge portion of the table board adjacent to the seat back respectively, two ends of the second linkage are connected to a second position of the seat back and a middle region of the table board respectively, the first position is located below the second position, the anti-pinch sensor comprises a second sensor, and the second sensor is arranged on a side of the second linkage adjacent to the first linkage.
4. The seat with a folding table board according to claim 3, characterized in that, The second sensor is connected to the second linkage through clamping or back-sticking bonding, a wire passing groove is arranged in the second linkage, and the second sensor is electrically connected to the driving mechanism through a connecting line passing through the wire passing groove.
5. The seat with a folding table board according to claim 3, characterized in that, The number of the first linkage and the second linkage is two groups, which are arranged on opposite sides of the table board respectively, the table board is provided with two accommodation grooves extending inward from the proximal edge portion, and the first linkage and the second linkage are rotatably accommodated in the accommodation grooves.
6. The seat with a folding table board according to claim 1, characterized in that, The anti-pinch sensor comprises a contact type conductive composite material sensor or a capacitive sensor; and / or the anti-pinch sensor is arranged in a strip structure.
7. The seat with a folding table board according to claim 6, characterized in that, The table board is provided with a bearing portion, and the edge portion is protruded relative to the bearing portion.
8. The seat with a folding table board according to claim 6, characterized in that, The first sensor is arranged on the distal edge portion of the table board away from the seat back and two side edge portions adjacent to the distal edge portion.
9. The seat with a folding table board according to claim 1, characterized in that, The linkage mechanism comprises a first linkage and a second linkage, two ends of the first linkage are connected to a first position of the seat back and a proximal edge portion of the table board adjacent to the seat back respectively, two ends of the second linkage are connected to a second position of the seat back and a middle region of the table board respectively, the first position is located below the second position, the anti-pinch sensor comprises a second sensor, and the second sensor is arranged on a side of the second linkage adjacent to the first linkage.
10. An automobile characterized by comprising: The second sensor is connected to the second linkage through clamping or back-sticking bonding, a wire passing groove is arranged in the second linkage, and the second sensor is electrically connected to the driving mechanism through a connecting line passing through the wire passing groove. The number of the first linkage and the second linkage is two groups, which are arranged on opposite sides of the table board respectively, the table board is provided with two accommodation grooves extending inward from the proximal edge portion, and the first linkage and the second linkage are rotatably accommodated in the accommodation grooves. The anti-pinch sensor comprises a contact type conductive composite material sensor or a capacitive sensor; and / or the anti-pinch sensor is arranged in a strip structure.