Framework structure of rear-row light-weight automobile seat

Abstract

The utility model discloses a rear-row light-weight automobile seat framework structure, which relates to the technical field of automobile seats and comprises a magnesium-aluminum alloy framework and a plastic back plate framework assembly arranged on the magnesium-aluminum alloy framework. A plurality of transition brackets, a headrest mounting bracket, an upper bracket and a lower bracket are arranged on the alloy framework main body, a rotating shaft is arranged on the upper bracket, the plastic back plate framework assembly comprises a plastic back plate, and an embedded nut, a metal reinforcing bracket, a fixing point and a hole site for multifunctional expansion are arranged on the plastic back plate; the frame is made of magnesium alloy, the overall strength is guaranteed on the premise that the light weight is guaranteed, the plastic back plate framework is integrally formed in an injection molding mode, the weight is reduced, the cost is reduced, meanwhile, the enough strength is achieved, passengers can be fully supported, and the service life of the passenger car is prolonged. And a multifunctional comfortable massage system, a ventilation system and a music rhythm system can be arranged on the plastic back plate, so that the expansibility is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a lightweight rear-row automobile seat frame structure. Background Art

[0002] In the current automobile market, in order to fully ensure the safety performance of seats, metal materials such as steel are usually the preferred materials for seat back frames. Steel not only has high strength, but also has relatively good forming and manufacturing processes. With the continuous development of the automobile industry, in addition to safety, lightweight has also received more and more attention. However, the metal frames used in automobile seats on the market have a large density, resulting in a relatively large weight of the frames. At the same time, the processing process of the metal back frames is complex, taking more man-hours, involving more scattered parts, which is not conducive to parts management and the cost is also relatively high.

[0003] Therefore, designing a lightweight rear-row automobile seat frame structure can improve the above problems. Summary of the Utility Model

[0004] In view of the above problems in the prior art, the utility model provides a lightweight rear-row automobile seat frame structure, which uses aluminum-magnesium alloy as the frame and a plastic backboard to ensure the overall strength while ensuring lightweight.

[0005] To achieve the above object, the technical solution adopted by the utility model is as follows:

[0006] A lightweight rear-row automobile seat frame structure includes a magnesium-aluminum alloy frame connected to a body fixed bracket and a plastic backboard frame assembly arranged on the magnesium-aluminum alloy frame. The magnesium-aluminum alloy frame includes an alloy frame body, and the alloy frame body is provided with a plurality of transition brackets for connecting the plastic backboard frame assembly, a headrest mounting bracket for mounting a headrest, an upper bracket for connecting to the body, and a lower bracket for connecting to a seat cushion frame. A rotating shaft is provided on the upper bracket. The plastic backboard frame assembly includes a plastic backboard, and the plastic backboard is provided with inlaid nuts, a metal reinforcement bracket for connecting an airbag, a fixing point for fixing the magnesium-aluminum alloy frame, and a hole for multi-functional expansion.

[0007] Preferably, the upper brackets are symmetrically arranged on both sides of the magnesium-aluminum alloy frame.

[0008] Preferably, the two rotating shafts are arranged facing each other inward.

[0009] Preferably, the inlaid nuts are inlaid on the plastic backboard during the injection molding process of the plastic backboard.

[0010] As a preference of the present utility model, the metal reinforcement bracket is embedded on the plastic backboard during the injection molding process of the plastic backboard.

[0011] As a preference of the present utility model, the transition bracket is welded to the alloy skeleton body.

[0012] As a preference of the present utility model, the upper part of the magnesium alloy-aluminum alloy skeleton is hooked to the vehicle body fixed bracket, and the lower part is connected to the seat cushion skeleton.

[0013] As a preference of the present utility model, a massage system and / or a ventilation system and / or a music rhythm system are arranged on the plastic backboard skeleton assembly.

[0014] Due to the adoption of the above technical solution, compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. For a rear row lightweight vehicle seat skeleton structure of the present utility model, the seat metal skeleton uses magnesium alloy as the frame, which ensures the overall strength on the premise of ensuring lightweight. The plastic backboard skeleton is integrally injection molded. This skeleton structure reduces the weight by 40% compared with the original metal structure, greatly reducing the weight and cost. At the same time, it also has sufficient strength to fully support passengers.

[0016] 2. For a rear row lightweight vehicle seat skeleton structure of the present utility model, the plastic backboard skeleton is locally provided with metal reinforcement parts, meeting the national standard strength requirements. Moreover, the plastic backboard can be arranged with multifunctional comfort massage systems, ventilation systems, and music rhythm systems, with broader expandability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Through the following description with reference to the accompanying drawings, and with a more comprehensive understanding of the present utility model, other objects and results of the present utility model will become clearer and easier to understand. In the drawings:

[0018] Figure 1 is a perspective view of an embodiment of the present utility model;

[0019] Figure 2 is a rear view of an embodiment of the present utility model;

[0020] Figure 3 is a perspective view of the magnesium alloy-aluminum alloy skeleton of an embodiment of the present utility model;

[0021] Figure 4 is a front view of the magnesium alloy-aluminum alloy skeleton of an embodiment of the present utility model;

[0022] Figure 5 is a perspective view of the plastic backboard skeleton assembly of an embodiment of the present utility model;

[0023] Figure 6This is the front view of the plastic backplane skeleton assembly of the utility model example;

[0024] The reference numerals therein include: magnesium alloy skeleton 1, plastic backplane skeleton assembly 2, alloy skeleton main body 11, transition bracket 12, headrest mounting bracket 13, upper bracket 14, rotating shaft 141, lower bracket 15, plastic backplane 21, inlaid nut 22, metal reinforcement bracket 23, fixing point 24, hole position 25. Detailed implementation manners

[0025] The technical solutions of the embodiments of the present utility model 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 the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope protected by the present utility model.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. It should be pointed out that all the accompanying drawings are exemplary representations. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] The present utility model will be further described in detail below through specific implementation examples in combination with the accompanying drawings.

[0029] Refer to Figures 1 to 6 , Figure 1 This is the perspective view of the utility model example, Figure 2 This is the rear view of the utility model example, Figure 3 This is the perspective view of the magnesium alloy skeleton of the utility model example, Figure 4 This is the front view of the magnesium alloy skeleton of the utility model example,Figure 5 This is a three-dimensional view of the plastic backboard skeleton assembly of the present utility model example. Figure 6 This is the front view of the plastic backboard skeleton assembly of the present utility model example. A lightweight rear-row vehicle seat skeleton structure provided by the present utility model includes a magnesium alloy skeleton 1 and a plastic backboard skeleton assembly 2. The upper part of the magnesium alloy skeleton 1 is hung with a vehicle body fixing bracket (not shown), the lower part of the magnesium alloy skeleton 1 is connected to a seat cushion skeleton (not shown), and the plastic backboard skeleton assembly 2 is arranged on the magnesium alloy skeleton 1. The plastic backboard skeleton assembly 2 is integrally injection-molded and is formed to match the shape of the vehicle seat.

[0030] The magnesium alloy skeleton 1 includes an alloy skeleton main body 11, a transition bracket 12, a headrest mounting bracket 13, an upper bracket 14, and a lower bracket 15. The alloy skeleton main body 11 is a closed frame structure. A plurality of transition brackets 12 are welded to the alloy skeleton main body 11. The transition brackets 12 are used to connect the plastic backboard skeleton assembly 2. Preferably, six transition brackets 12 are provided and are distributed at the upper, middle, and lower positions on both sides of the alloy skeleton main body 11. The headrest mounting bracket 13 is arranged at the upper part of the alloy skeleton main body 11 and is used to mount a headrest. The upper brackets 14 are symmetrically arranged at the middle positions on both sides of the magnesium alloy skeleton 1 and are used to connect to the vehicle body. A rotating shaft 141 is provided on the upper bracket 14, and the two rotating shafts 141 on both sides are arranged facing each other inward. The rotating shaft 141 is hung on a vehicle body fixing bracket (not shown). The lower bracket 15 is arranged at the lower part of the alloy skeleton main body 11 and is connected to a seat cushion skeleton (not shown).

[0031] The plastic backboard skeleton assembly 2 includes a plastic backboard 21, an inlaid nut 22, a metal reinforcement bracket 23, a fixing point 24, and a hole position 25. The inlaid nut 22 and the metal reinforcement bracket 23 are inlaid on the plastic backboard 21 during the injection molding process of the plastic backboard 21. Preferably, six inlaid nuts 22 are provided and are matched with the transition brackets 12. The plastic backboard skeleton assembly 2 and the magnesium alloy skeleton 1 are fixed by bolts, transition brackets 12, and inlaid nuts 22. The metal reinforcement bracket 23 is arranged on one side of the plastic backboard 21. The function of the metal reinforcement bracket 23 is to strengthen the strength and at the same time be able to connect an airbag. The fixing point 24 is arranged at the middle position of the lower part of the plastic backboard 21 and is used to fix the magnesium alloy skeleton 1. As another embodiment of the present utility model, a massage system (not shown) and / or a ventilation system (not shown) and / or a music rhythm system (not shown) are arranged on the plastic backboard skeleton assembly 2. The plastic backboard skeleton assembly 2 reserves positions such as hole positions 25 and grooves for multifunctional expansion during injection molding, providing more convenient installation and layout conditions for the functional expansion of the vehicle seat.

[0032] The following will refer to Figures 1 to 6, the working principle of the present utility model will be described.

[0033] The upper part of the magnesium alloy-aluminum alloy skeleton 1 is hung with a vehicle body fixing bracket (not shown), and the lower part of the magnesium alloy-aluminum alloy skeleton 1 is connected with a seat cushion skeleton (not shown). Bolts are used to fix the plastic backboard skeleton assembly 2 on the magnesium alloy-aluminum alloy skeleton 1 through the transition bracket 12 and the inlaid nut 22. If there are other multifunctional expansion systems such as a massage system, a ventilation system, a music rhythm system, etc., the corresponding systems are installed on the plastic backboard skeleton assembly 2. For a rear lightweight vehicle seat skeleton structure of the present utility model, the seat metal skeleton uses magnesium alloy as the frame, which ensures the overall strength on the premise of ensuring lightweight. The plastic backboard skeleton is integrally injection-molded. The weight of this skeleton structure is reduced by 40% compared with the original metal structure, greatly reducing the weight and cost. At the same time, it also has sufficient strength to fully support passengers. In addition, metal reinforcement parts are locally provided on the plastic backboard skeleton to meet the national standard strength requirements, and the plastic backboard can be arranged with multifunctional comfort massage systems, ventilation systems, and music rhythm systems, with wider expandability.

[0034] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A rear lightweight automobile seat frame structure, characterized in that: It includes a magnesium-aluminum alloy frame connected to a vehicle body fixing bracket, and a plastic back panel frame assembly arranged on the magnesium-aluminum alloy frame. The magnesium-aluminum alloy frame includes an alloy frame body, and the alloy frame body is provided with a plurality of transition brackets for connecting the plastic back panel frame assembly, a headrest mounting bracket for installing a headrest, an upper bracket for connecting to the vehicle body, and a lower bracket for connecting to a seat cushion frame. The upper bracket is provided with a rotating shaft. The plastic back panel frame assembly includes a plastic back panel, and the plastic back panel is provided with an inlaid nut, a metal reinforcing bracket for connecting an airbag, a fixing point for fixing the magnesium-aluminum alloy frame, and a hole position for multi-functional expansion.

2. The rear lightweight automobile seat frame structure according to claim 1, characterized in that: The upper bracket is symmetrically arranged on both sides of the magnesium-aluminum alloy frame.

3. The rear lightweight automobile seat frame structure according to claim 2, characterized in that: The two rotating shafts are arranged inwardly and opposite to each other.

4. The rear lightweight automobile seat frame structure according to claim 1, characterized in that: The embedding nut is embedded in the plastic back plate during the injection molding process of the plastic back plate.

5. The rear lightweight automobile seat frame structure according to claim 1, characterized in that: The metal reinforcement bracket is embedded in the plastic back plate during the injection molding process of the plastic back plate.

6. The rear lightweight automobile seat frame structure according to claim 1, characterized in that: The transition bracket is welded to the alloy skeleton body.

7. The rear lightweight automobile seat frame structure according to claim 1, characterized in that: The upper part of the magnesium-aluminum alloy frame is connected to the vehicle body fixing bracket, and the lower part is connected to the seat cushion frame.

8. The rear lightweight automobile seat frame structure according to claim 1, characterized in that: The plastic backboard frame assembly is provided with a massage system and / or a ventilation system and / or a music rhythm system.

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