Thin light-weight seat table board

By adopting a support frame and connecting rod design using steel stamping parts and high-carbon steel precision stamping process, the problem of large tabletop thickness taking up space has been solved, achieving lightweight and improved comfort, making it the thinnest tabletop on the market.

CN223520698UActive Publication Date: 2025-11-07CHANGCHUN FAWSN RES & DEV CO LTD
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Patent Information

Application Number
CN202423247026.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-07
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The existing table structure is thick and takes up a lot of space. In particular, when a table is added to the front seats, it encroaches on the legroom of rear passengers, affecting the comfort of the ride.

Method used

The support frame is made of six steel stamping parts and welded, reducing the thickness to 2mm; the upper and lower connecting rods are made of high carbon steel and are processed by fine stamping, reducing the thickness to 7.7mm. Combined with a four-bar linkage and a damping mechanism, the tabletop is made lightweight and space-saving.

Benefits of technology

The tabletop has an overall thickness of 23.5mm, making it the thinnest tabletop on the market. This reduces encroachment on the legroom of rear passengers, lowers the weight, and improves ease of use and comfort.

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Abstract

The utility model relates to a thin light-weight seat table plate which comprises an upper cover plate, a supporting framework, a lower cover plate, an upper connecting rod, a lower connecting rod, a table plate support and a fixing support. The supporting framework is formed by welding six steel stamping parts and comprises a front cross beam, a rear cross beam, a first longitudinal cross beam, a second longitudinal cross beam, a left side supporting plate and a right side supporting plate. The first longitudinal cross beam and the second longitudinal cross beam are fixed between the front cross beam and the rear cross beam in a welded mode, and the first longitudinal cross beam and the second longitudinal cross beam are arranged in a spaced mode and face the lower cover plate. The left supporting plate and the right supporting plate are fixed to the left side and the right side of the front cross beam and the left side and the right side of the rear cross beam in a welded mode, the left supporting plate and the right supporting plate are of a symmetrical structure, avoiding areas are arranged at the positions where the upper connecting rod and the lower connecting rod are installed, and the upper connecting rod and the lower connecting rod are made of high-carbon steel and machined through the fine blanking technology. The overall thickness of the table board of the structure can be 23.5 mm, and the table board is the thinnest table board in the current market.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile seat, and relates to a table board, in particular to a thin and light seat table board. BACKGROUND

[0002] The existing table board structure comprises an upper cover plate, a support framework, a lower cover plate, an upper connecting rod, a lower connecting rod and a support, wherein the support framework is made of cast aluminum process and needs to increase a reinforcing rib structure for structural reinforcement (as shown in the drawings), the thickness of the support plate needs to be 3mm due to the influence of the process and strength; in addition, the upper connecting rod and the lower connecting rod are also made of cast aluminum process, and the connecting rod needs to be 12mm thick (the upper and lower connecting rods occupy 24mm space after the table board is opened) due to the influence of the process and strength, resulting in that the overall thickness of most table boards is greater than 40mm, which occupies a lot of space. Figure 1 SUMMARY

[0003] In order to expand the space in the vehicle and solve the problem that the front seat occupies the leg space of the rear passenger after adding the table board, the utility model provides a thin and light seat table board, the support plate of the table board adopts the form of 6 stamping parts and welding, the thickness is reduced to 2mm, the space of the table board is effectively compressed, the upper connecting rod and the lower connecting rod are made of high carbon steel and use fine punching process, the thickness of the connecting rod can be reduced to 7.7mm under the premise of meeting the bearing, the space occupied by the upper and lower connecting rods is only 15.4mm after the table board is opened, and finally the overall thickness of the table board can be 23.5mm, which is the thinnest table board on the current market.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] ​The thin and light seat table plate comprises an upper cover plate, a support framework, a lower cover plate, an upper connecting rod, a lower connecting rod, a table plate support, and a fixed support, wherein one end of the upper connecting rod and the lower connecting rod is rotationally connected with the support framework, and the other end is rotationally connected with the table plate support; the table plate support is fixed on both sides of the fixed support, and the fixed support is fixed on the seat backrest framework; the improvement is that the support framework adopts a form of six steel stamping pieces and welding, comprising a front cross beam, a rear cross beam, a first longitudinal cross beam, a second longitudinal cross beam, a left side support plate, and a right side support plate; the first longitudinal cross beam and the second longitudinal cross beam are fixed between the front cross beam and the rear cross beam by welding, and are arranged at intervals and face the lower cover plate; the left side support plate and the right side support plate are fixed on the left and right sides of the front cross beam and the rear cross beam by welding, and are symmetrical structures, and the positions where the upper connecting rod and the lower connecting rod are installed are provided with avoiding areas; the upper connecting rod and the lower connecting rod are made of high-carbon steel and are processed by fine punching process, the rear end of the upper connecting rod and the lower connecting rod on the left side is rotationally connected with the left side support plate, the rear end of the upper connecting rod and the lower connecting rod on the right side is rotationally connected with the right side support plate, and the front end of the upper connecting rod close to the table plate is arranged, and the rear end of the lower connecting rod close to the table plate is arranged.

[0006] As a preferred embodiment of the utility model, the table plate further comprises a decorative strip, the upper cover plate is provided with a square opening at a position opposite to the upper connecting rod and the lower connecting rod, the decorative strip is fixedly connected with the upper cover plate by vibration friction welding and arranged at the square opening, and used for decoration; the decorative strip is provided with an avoiding opening at a position close to the connection between the lower connecting rod and the left side support plate and the right side support plate.

[0007] As a preferred embodiment of the utility model, the rear end of the upper cover plate is provided with an unlocking button, the rear cross beam is provided with an avoiding groove at a position where the unlocking button is installed, the unlocking button is arranged at the avoiding groove of the rear cross beam, and the unlocking button is matched with a lock catch on the fixed support and used for fixing the table plate on the back of the fixed support.

[0008] As a preferred embodiment of the utility model, the fixed support is provided with a pop-up mechanism at a position close to the upper connecting rod, and the pop-up mechanism is used for popping up the upper connecting rod of the table plate to open the table plate when the table plate is in an unlocked state.

[0009] As a preferred embodiment of the utility model, the upper cover plate and the support framework are fixedly connected by screws, and the lower cover plate is assembled with the upper cover plate.

[0010] As a preferred embodiment of the utility model, both ends of the upper connecting rod and the lower connecting rod are provided with shaft sleeves and connected with the table plate support and the support framework by riveting.

[0011] As a preferred embodiment of the utility model, the thickness of the support framework is controlled to be 2mm, and the thickness of the upper connecting rod and the lower connecting rod is controlled to be 7.7mm.

[0012] As the preferred of the utility model, the table board is further provided with a damping mechanism, and the damping mechanism is used for providing damping force when the table board is opened or closed.

[0013] As the further preferred of the utility model, the elastic opening mechanism is an elastic sheet.

[0014] The utility model has the advantages and beneficial effects that:

[0015] (1) the support framework of the utility model adopts a form of 6 steel stamping parts and welding, and the thickness is reduced to 2mm, effectively compressing the space of the table board; the upper connecting rod and the lower connecting rod adopt high-strength steel and use fine stamping process, and under the premise of meeting the bearing, the thickness of the connecting rod can be reduced to 7.7mm, and the space occupied by the upper and lower connecting rods is only 15.4mm after the table board is opened, finally making the overall thickness of the table board be 23.5mm, which is the thinnest table board in the current market, effectively optimizing the leg space of the rear passenger.

[0016] (2) the table board provided by the utility model reduces the weight of the table board while reducing the thickness of the table board (the existing support framework using cast aluminum process is cast aluminum in a large area, and the stamping part does not need to be arranged in a large area, so the effect of weight reduction can be achieved).

[0017] (3) the table board provided by the utility model adopts a four-connecting-rod mechanism, and an unlocking button mechanism is arranged at the upper end of the table board, the table board is unlocked through the unlocking button, and the user is convenient to operate.

[0018] (4) the table board provided by the utility model is provided with an elastic opening mechanism (elastic sheet) near the connecting rod, the connecting rod is elastically raised through the elastic force of the elastic sheet to achieve the opening of the table board, and the opening angle and the elastic opening distance of the table board are controlled, effectively protecting the passenger and not easily hitting the passenger when the table board is opened.

[0019] (5) the table board provided by the utility model can be additionally provided with a damping mechanism, so that the table board has good smoothness when being opened and closed, and the user experience can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0021] Figure 1 It is a schematic view of the existing support framework installed on the upper cover plate.

[0022] Figure 2It is overall structure schematic view of the thin and light seat table plate of the utility model;

[0023] Figure 3 It is exploded schematic view of the thin and light seat table plate of the utility model;

[0024] Figure 4 It is schematic view of the opened state of the connecting rod after thinning of the utility model;

[0025] Figure 5 It is schematic view of the support framework of the utility model;

[0026] Figure 6 It is schematic view of the upper cover plate, support framework, upper connecting rod and lower connecting rod after assembly of the utility model.

[0027] Figure 7 It is schematic view of the installation position of the pop-up mechanism (elastic sheet) of the utility model;

[0028] Figure 8 It is schematic view of the assembly of the decorative strip and upper cover plate of the utility model.

[0029] The drawing mark: upper cover plate 1, lower cover plate 2, support framework 3, decorative strip 4, upper connecting rod 5, lower connecting rod 6, table plate support 7, pop-up mechanism 8, fixed support 9, square mouth 11, front crossbeam 31, rear crossbeam 32, first longitudinal crossbeam 33, second longitudinal crossbeam 34, left side support plate 35, right side support plate 36, avoiding aperture 41. Specific implementation

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] In the description of the present application, it should be noted that the terms "front", "back", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] In the description of the present application, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "connected" should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] As Figures 2 to 8 The embodiment provides a thin and light seat table plate, which comprises an upper cover plate 1, a support framework 3, a lower cover plate 2, an upper connecting rod 5, a lower connecting rod 6, a table plate support 7, a pop-up mechanism 8, a fixed support 9 and an unlocking button 10. One end of the upper connecting rod 5 and the lower connecting rod 6 is rotationally connected with the support framework 3, and the other end is rotationally connected with the table plate support 7. The table plate support 7 is fixed on the two sides of the fixed support 9, and the fixed support 9 is fixed on the seat backrest framework.

[0034] The improvement is that the support framework 3 adopts the form of six steel stamping parts and welding, the thickness of the support framework 3 is controlled to be 2mm, and the support framework 3 comprises a front cross beam 31, a rear cross beam 32, a first longitudinal cross beam 33, a second longitudinal cross beam 34, a left side support plate 35 and a right side support plate 36. The first longitudinal cross beam 33 and the second longitudinal cross beam 34 are fixed between the front cross beam 31 and the rear cross beam 32 in a welding mode, and the first longitudinal cross beam 33 and the second longitudinal cross beam 34 are arranged at intervals and face the lower cover plate 2. The left side support plate 32 and the right side support plate 36 are fixed on the left and right sides of the front cross beam 31 and the rear cross beam 32 in a welding mode, the left side support plate 35 and the right side support plate 36 are symmetrical structures, and the positions, at which the upper connecting rod 5 and the lower connecting rod 6 are installed, are provided with avoiding areas. The upper connecting rod and the lower connecting rod are made of high-carbon steel (also called tool steel, containing 0.60%-1.70% of carbon) and are processed by using fine punching process (precision blanking), and the thickness is controlled to be 7.7mm. The rear end of the upper connecting rod 5 and the lower connecting rod 6 located on the left is rotationally connected with the left side support plate 35, and the rear end of the upper connecting rod 5 and the lower connecting rod 6 located on the right is rotationally connected with the right side support plate 36. The front end of the upper connecting rod 5 is arranged close to the table plate, and the rear end of the lower connecting rod 6 is arranged close to the table plate.

[0035] The rear end of the upper cover plate 1 is provided with the unlocking button 10, the rear cross beam 32 is provided with an avoiding groove (not marked) at the position, at which the unlocking button 10 is installed, the unlocking button 10 is arranged at the avoiding groove of the rear cross beam 32, the unlocking button 10 is matched with a lock catch on the fixed support 9 and is used for fixing the table plate on the back of the fixed support 9.

[0036] The fixed support 9 is provided with the pop-up mechanism 8 close to the upper connecting rod 5, and the pop-up mechanism 8 is used for popping up the upper connecting rod of the table plate when the table plate is in an unlocking state, so that the table plate is opened.

[0037] In the embodiment, the table board further comprises a decorative strip 4, the upper cover plate 1 is provided with a square hole 11 at a position opposite to the upper connecting rod 5 and the lower connecting rod 6, the decorative strip 4 is fixedly connected with the upper cover plate 1 by vibration friction welding and is arranged at the square hole 11, and the decorative strip 4 is used for decoration; the decorative strip 4 is provided with an avoiding gap 41 at a position close to the connection between the lower connecting rod 6 and the left and right support plates.

[0038] In the embodiment, the upper cover plate 1 is fixedly connected with the support framework 3 by screws, and the lower cover plate 2 is assembled with the upper cover plate 1; specifically, the lower cover plate 2 and the upper cover plate 1 can be assembled by clamping; of course, the two can also be assembled by referring to the connection mode of the existing table board.

[0039] In the embodiment, the two ends of the upper connecting rod 5 and the lower connecting rod 6 are provided with shaft sleeves (not shown) and are connected with the table board support 7 and the support framework 3 by riveting, so that the upper connecting rod 5 and the lower connecting rod 6 form a four-connecting-rod mechanism.

[0040] Further, in the embodiment, the pop-up mechanism 8 is a spring; of course, any form of pop-up mechanism for popping up the connecting rod can also be used by those skilled in the art; the specific structure of the pop-up mechanism is not limited in the application.

[0041] Further, in the embodiment, the table board further comprises a damping mechanism, the damping mechanism is used for providing damping force when the table board is opened or closed, so that the table board has good smoothness and further improves the user experience.

[0042] The above is the specific implementation manner of the application, but the protection scope of the application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the application, which should be covered in the protection scope of the application. Therefore, the protection scope of the application should be subject to the protection scope of the claims.

Claims

1. A thin and light seat table plate, comprising an upper cover plate, a support framework, a lower cover plate, an upper connecting rod, a lower connecting rod, a table plate support, and a fixed support; wherein, The upper connecting rod and the lower connecting rod are rotatably connected to the support framework at one end and rotatably connected to the table plate support at the other end; the table plate support is fixed on both sides of the fixed support, and the fixed support is fixed on the seat backrest framework; characterized in that the support framework is in the form of six steel stamping parts and welding, including a front cross beam, a rear cross beam, a first longitudinal cross beam, a second longitudinal cross beam, a left side support plate and a right side support plate; the first longitudinal cross beam and the second longitudinal cross beam are fixed between the front cross beam and the rear cross beam by welding, and are arranged at intervals and face the lower cover plate; the left side support plate and the right side support plate are fixed on the left and right sides of the front cross beam and the rear cross beam by welding, and the left side support plate and the right side support plate are symmetrical structures, and have a clearance at the positions where the upper connecting rod and the lower connecting rod are installed; the upper connecting rod and the lower connecting rod are made of high-carbon steel and processed by fine punching process, the rear end of the upper connecting rod and the lower connecting rod on the left side is rotatably connected to the left side support plate, and the rear end of the upper connecting rod and the lower connecting rod on the right side is rotatably connected to the right side support plate; the front end of the upper connecting rod is arranged close to the table plate, and the rear end of the lower connecting rod is arranged close to the table plate.

2. The thin and light seat table board according to claim 1, wherein The table plate further comprises a decorative strip, the upper cover plate is provided with a square opening at a position opposite to the upper connecting rod and the lower connecting rod, the decorative strip is fixed to the upper cover plate by vibration friction welding and arranged at the square opening, and used for decoration; the decorative strip is provided with a clearance at a position close to the connection between the lower connecting rod and the left side support plate and the right side support plate.

3. The thin and light seat table board according to claim 1, wherein The rear end of the upper cover plate is provided with an unlocking button, the rear cross beam is provided with a clearance at a position where the unlocking button is installed, the unlocking button is arranged at the clearance of the rear cross beam, and the unlocking button cooperates with a lock catch on the fixed support to fix the table plate on the back of the fixed support.

4. The thin and light seat table board according to claim 1, wherein The fixed support is provided with a pop-up mechanism close to the upper connecting rod, and the pop-up mechanism is used to pop up the upper connecting rod of the table plate when the table plate is in an unlocked state.

5. The thin and light seat table board according to claim 1, wherein The upper cover plate and the support framework are fixed by screw connection, and the lower cover plate and the upper cover plate are assembled together.

6. The thin and light seat table board according to claim 1, wherein Both ends of the upper connecting rod and the lower connecting rod are provided with shaft sleeves and connected to the table plate support and the support framework by riveting.

7. The thin and light seat table board according to claim 1, wherein The thickness of the support framework is controlled to be 2 mm, and the thickness of the upper connecting rod and the lower connecting rod is controlled to be 7.7 mm.

8. The thin and light seat table board according to claim 1, wherein The table plate is further provided with a damping mechanism, and the damping mechanism is used to provide damping force when the table plate is opened or closed.

9. The thin and light seat table board according to claim 4, wherein The pop-up mechanism is a spring.