Automobile seat framework and automobile seat
By simplifying the car seat frame structure, removing the anti-submersion tube, setting a rectangular seat leg bracket and opening, and optimizing the connection method, the problems of excessive weight, complex structure and unbalanced strength were solved, achieving lightweighting and convenient processing.
Patent Information
- Application Number
- CN202520715468.2
- 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 car seat frames suffer from problems such as excessive weight, complex structure, unbalanced strength, and difficulty in processing.
A simplified structural design is adopted, including removing the anti-submersion tube, setting up rectangular seat leg supports and openings, using U-shaped rods to connect with vertical rods to increase connection strength, and optimizing the distance relationship between support beams and crossbeams to ensure consistent overall frame strength.
The weight of the frame was reduced by 5kg, the processing procedures were simplified, the connection strength and processing convenience were improved, and the overall strength consistency of the frame was guaranteed.
Smart Images

Figure CN223904927U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive seat technology, specifically to an automotive seat frame and an automotive seat. Background Technology
[0002] With the continuous development of automotive technology, competition in the automotive industry is becoming increasingly fierce. In the process of designing and manufacturing automobiles, it is crucial to reduce costs and increase efficiency while ensuring the performance requirements of automobiles. Under such circumstances, the lightweight modification of automobile seat frames has emerged.
[0003] The structural diagram of an existing car seat frame is as follows Figure 1 As shown, for Figure 1 The structure shown has the following problems in practical applications:
[0004] One: Regarding Figure 1 The anti-diving tube 100 in the structure has an over-functionality in actual use, and the presence of the anti-diving tube 100 increases the overall weight of the frame, which currently weighs 27kg.
[0005] Second: Regarding Figure 1 The structural support connecting plate 101 is relatively complex.
[0006] Three: Regarding Figure 1 The backrest support tube 102 is not centered, which will cause an imbalance in the strength of the frame.
[0007] Four: Regarding Figure 1 The structural leg support 103 is complex and has an irregular surface, which makes the parts difficult to process. In addition, the connecting plate connecting two leg supports 103 on the same side has a curved welding position, which will increase the processing cost and time. Utility Model Content
[0008] In view of the shortcomings of the prior art, the present invention provides a car seat frame and car seat that are lightweight, high-strength and easier to manufacture.
[0009] To solve the above technical problems, in the first aspect, this utility model provides the following technical solution: a car seat frame, including a seat frame body, a backrest frame body and two headrest frame bodies;
[0010] The seat frame body includes two longitudinal beams and two transverse beams connected to form a rectangular structure, and a support beam is also provided between the two longitudinal beams;
[0011] The backrest framework body comprises a U-shaped rod, a horizontal rod and a vertical rod, one end of the vertical rod is connected with the middle position of the horizontal part of the U-shaped rod, the other end of the vertical rod and the two ends of the U-shaped rod are respectively connected with a horizontal rod, and the horizontal rod is connected with the two vertical parts of the U-shaped rod and the vertical rod respectively.
[0012] Two headrest framework bodies are arranged on the horizontal part of the U-shaped rod, and a first mounting seat is arranged on the horizontal part of the U-shaped rod between the two headrest framework bodies.
[0013] The opposite sides of the bottom surface of the seat framework body are respectively provided with two seat leg supports in the horizontal rod direction, the two seat leg supports are connected through a connecting plate, and the outer side surface of the seat leg support is in the shape of a rectangle.
[0014] In some embodiments of the first aspect, the distance between the support beam and the horizontal rod close to the backrest framework body is greater than the distance between the support beam and the horizontal rod away from the backrest framework body.
[0015] In some embodiments of the first aspect, a plurality of springs are arranged on the horizontal rod close to the backrest framework body; and a plurality of support frames are arranged on the horizontal rod away from the backrest framework body.
[0016] In some embodiments of the first aspect, a second mounting seat is arranged at the middle position of the horizontal rod close to the backrest framework body, and the second mounting seat and the first mounting seat are arranged correspondingly.
[0017] In some embodiments of the first aspect, the other end of the vertical rod and the two ends of the U-shaped rod are respectively connected with a horizontal rod through a seat back connecting plate.
[0018] In some embodiments of the first aspect, the horizontal rod is in the shape of a cuboid, and a second U-shaped rod is arranged on the side surface of the horizontal rod towards the seat framework body and on the two sides of the vertical rod.
[0019] In some embodiments of the first aspect, at least one third U-shaped rod is arranged between the two vertical parts of the U-shaped rod and the vertical rod.
[0020] In some embodiments of the first aspect, an opening is arranged on the seat leg support.
[0021] In some embodiments of the first aspect, the connecting plate is in the shape of a cuboid.
[0022] In the second aspect, the utility model also provides an automobile seat which comprises the automobile seat framework.
[0023] Compared with the prior art, the utility model has the beneficial effects that:
[0024] Firstly, by removing the anti-submersion tube and setting openings on the seat leg bracket, the processing steps are reduced and the overall weight of the car seat frame is lowered. In actual weight measurement, the total weight of this utility model is 22kg, a reduction of 5kg.
[0025] Secondly, the two ends of the U-shaped rod and the other end of the vertical rod are connected to the seat frame body, which increases the connection strength. Moreover, one end of the vertical rod is connected to the middle of the horizontal part of the U-shaped rod, which ensures that the overall left and right strength of the frame is consistent.
[0026] Finally, the outer side of the entire seat leg support is rectangular, without any irregular surfaces, which facilitates processing and welding with the connecting plate, making it easier to manufacture. Attached Figure Description
[0027] Figure 1 This is a structural diagram of an existing car seat frame;
[0028] Figure 2 This is a schematic diagram of the car seat frame in Example 1;
[0029] Figure 3 This is a schematic diagram of the structure of the car seat in Example 2. Detailed Implementation
[0030] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.
[0031] Example 1
[0032] To reduce the weight of car seat frames and increase their strength, such as... Figure 2 As shown, this embodiment provides a car seat frame, including a seat frame body 1, a backrest frame body 2, and two headrest frame bodies 3.
[0033] Specifically, in this embodiment, the seat frame body 1 includes two longitudinal beams 11 and two transverse beams 10 connected to form a rectangular structure, and a support beam 12 is also provided between the two longitudinal beams 11.
[0034] Specifically, in this embodiment, the backrest frame body 2 includes a U-shaped rod 20, a horizontal rod 22 and a vertical rod 21. One end of the vertical rod 21 is connected to the middle position of the horizontal part of the U-shaped rod 20, and the other end of the vertical rod 21 and both ends of the U-shaped rod 20 are respectively connected to a crossbeam 10. The horizontal rod 22 is connected to the two vertical parts of the U-shaped rod 20 and the vertical rod 21 respectively.
[0035] Specifically, in the embodiment, the two headrest framework bodies 3 are arranged on the horizontal part of the U-shaped rod 20, and the first mounting seat 5 is arranged on the horizontal part of the U-shaped rod 20 between the two headrest framework bodies 3; wherein the first mounting seat 5 is used for mounting a safety belt guide support.
[0036] Specifically, in the embodiment, the opposite sides of the bottom surface of the seat framework body 1 are respectively provided with two seat leg supports 13 along the longitudinal beam 11, and the two seat leg supports 13 are connected by a connecting plate 14, and the outer side surface of the seat leg support 13 is in the shape of a rectangle; in addition, the seat leg support 13 is provided with an opening 130, and the connecting plate 14 is in the shape of a cuboid.
[0037] In the embodiment, the distance relationship between the support beam 12 and the two cross beams 10 is as follows:
[0038] The distance between the support beam 12 and the cross beam 10 close to the backrest framework body 2 of the two cross beams 10 is greater than the distance between the support beam 12 and the cross beam 10 away from the backrest framework body 2 of the two cross beams 10; that is, the support beam 12 is arranged in front of the seat framework body 1.
[0039] In addition, in the embodiment, as shown in Figure 2 , the support beam 12 is provided with a plurality of springs 15 on the cross beam 10 close to the backrest framework body 2 of the two cross beams 10, and the cross beam 15 is provided with a hook, and the two ends of the spring 15 are hung on the hook and the support beam 12, respectively;
[0040] In Figure 1 , the support beam 12 is provided with a plurality of support frames 16 on the cross beam 10 away from the backrest framework body 2 of the two cross beams 10, and the support frame 16 is clamped on the cross beam 10 and the support beam 12.
[0041] In Figure 1 , the second mounting seat 4 is arranged at the middle position of the cross beam 10 close to the backrest framework body 2 of the two cross beams 10, and the second mounting seat 4 and the first mounting seat 5 are arranged correspondingly, wherein the second mounting seat 4 is used for mounting a safety belt insertion port device.
[0042] In the embodiment, in order to further improve the support strength of the backrest framework body 2 and ensure the strength of the backrest framework body 2 itself, the other end of the vertical rod 21 and the two ends of the U-shaped rod 20 are respectively connected with a cross beam 10 through a seat back connecting plate 23;
[0043] In addition, the horizontal rod 22 is in the shape of a cuboid, and the side surface of the horizontal rod 22 facing the seat framework body 1 is respectively provided with a second U-shaped rod 24 on both sides of the vertical rod 21;
[0044] In addition, at least one third U-shaped rod 25 is arranged between each of the two vertical parts of the U-shaped rod 20 and the vertical rod 21, and the third U-shaped rod 25 is arranged at a position higher than that of the second U-shaped rod 24. Figure 2 In the embodiment, two third U-shaped rods 25 are arranged between each of the two vertical parts of the U-shaped rod 20 and the vertical rod 21.
[0045] In combination with the above, the opening 130 is arranged on the seat leg support 13 to remove the anti-diving pipe, thereby reducing the machining process and the overall weight of the automobile seat framework, and the total weight of the automobile seat framework is 22 kg, which is reduced by 5 kg.
[0046] In addition, the two ends of the U-shaped rod 20 and the other end of the vertical rod 21 are connected to the seat framework body 1 through three seat back connecting plates 23, thereby increasing the connection strength, and the one end of the vertical rod is connected to the middle position of the horizontal part of the U-shaped rod, thereby ensuring the consistency of the left and right strengths of the framework.
[0047] Finally, the outer side of the seat leg support 13 is in the shape of a rectangle, without a special-shaped surface, thereby facilitating the machining and welding with the connecting plate 14, and being beneficial to the actual manufacturing.
[0048] Embodiment Two
[0049] As shown in Figure 3 the embodiment, the automobile seat comprises the automobile seat framework in the embodiment one.
[0050] According to the above description, the related personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims
1. An automobile seat framework characterized by comprising: The seat framework body (1), the backrest framework body (2) and two headrest framework bodies (3) are connected to form a seat framework. The seat framework body (1) comprises two longitudinal beams (11) and two horizontal beams (10) connected to form a rectangular structure, and a support beam (12) is arranged between the two longitudinal beams (11). The backrest framework body (2) comprises a U-shaped rod (20), a horizontal rod (22) and a vertical rod (21), one end of the vertical rod (21) is connected to the middle position of the horizontal part of the U-shaped rod (20), the other end of the vertical rod (21) and the two ends of the U-shaped rod (20) are respectively connected to one horizontal beam (10), and the horizontal rod (22) is connected to the two vertical parts of the U-shaped rod (20) and the vertical rod (21). Two headrest framework bodies (3) are arranged on the horizontal part of the U-shaped rod (20), and a first mounting seat (5) is arranged between the two headrest framework bodies (3) on the horizontal part of the U-shaped rod (120). The opposite sides of the bottom surface of the seat framework body (1) are respectively provided with two seat leg supports (13) along the longitudinal beam (11) direction, the two seat leg supports (13) are connected by a connecting plate (14), and the outer side surface of the seat leg support (13) is in the shape of a rectangle.
2. The automobile seat framework according to claim 1, wherein The distance between the support beam (12) and the horizontal beam (10) close to the backrest framework body (2) is greater than the distance between the support beam (12) and the horizontal beam (10) away from the backrest framework body (2).
3. The automobile seat framework according to claim 2, wherein A plurality of springs (15) are arranged on the horizontal beam (10) close to the backrest framework body (2), and a plurality of support frames (16) are arranged on the horizontal beam (10) away from the backrest framework body (2).
4. The automobile seat framework according to claim 1, wherein A second mounting seat (4) is arranged at the middle position of the horizontal beam (10) close to the backrest framework body (2), and the second mounting seat (4) and the first mounting seat (5) are arranged correspondingly.
5. The automobile seat framework according to any one of claims 1 to 4, characterized in that, The other end of the vertical rod (21) and the two ends of the U-shaped rod (20) are respectively connected to one horizontal beam (10) through a seat back connecting plate (23).
6. The automobile seat framework according to claim 5, wherein The horizontal rod (22) is in the shape of a rectangular solid, and a second U-shaped rod (24) is arranged on the side surface of the horizontal rod (22) facing the seat framework body (1) and on the two sides of the vertical rod (21).
7. The automobile seat framework according to claim 6, wherein At least one third U-shaped rod (25) is arranged between the two vertical parts of the U-shaped rod (20) and the vertical rod (21), and the third U-shaped rod (25) is higher than the second U-shaped rod (24).
8. The automobile seat framework according to claim 1, wherein An opening (130) is arranged on the seat leg support (13).
9. The automobile seat framework according to claim 1, wherein The connecting plate (14) is in the shape of a rectangular solid.
10. An automobile seat characterized by comprising: The automobile seat framework of any one of claims 1-9.