Folding-surface automobile seat framework

Abstract

The utility model belongs to the technical field of automobile seat frameworks, and particularly relates to a folding face automobile seat framework. The folding-surface automobile seat framework comprises a pair of side rods, a pair of side rods and a pair of side rods, the upper portions of the side rods are bent forwards to form forward inclining sections, and the forward inclining sections are provided with shoulder supporting spring wires so as to protrude out of the waist supporting spring wire set. The upper portions of the side rods of the folded-face automobile seat framework are bent forwards to form the forward-inclining sections, the shoulder supporting spring wires can be arranged on the forward-inclining sections, and therefore the shoulder supporting spring wires protrude out of the waist supporting spring wire set, and when the waist of a passenger makes contact with the waist supporting spring wire set, the waist of the passenger can be supported by the waist supporting spring wire set. The shoulder supporting spring wires protruding forwards can also make contact with the shoulders of the passenger, then when the passenger transfers more weight to the seat, the shoulder supporting spring wires and the waist supporting spring wire set deform at the same time, the shoulders and the waist of the passenger can be supported at the same time, and the leaning experience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automotive seat skeletons, and particularly relates to a folding surface automotive seat skeleton. Background Art

[0002] An automotive seat skeleton is a support with a certain elasticity that is connected to the frame of an automotive seat and suspended in the frame.

[0003] After it is installed in the frame of an automotive seat, its state is usually as shown in the publication number CN202923437U. That is, during normal use, the automotive seat is usually in a slightly reclined state (excluding the case where passengers other than the driver adjust the reclining angle of the automotive seat very large to a lying position). The automotive seat skeleton is in a plane, which makes it such that when a passenger leans on an automotive seat with an automotive seat skeleton that is entirely in a plane as shown in the publication number CN220615577U, the waist is first supported by the spring wires at the lower part of the automotive seat skeleton, and then after reclining a certain angle, the shoulders are supported by the spring wires at the upper part of the automotive seat skeleton. That is, the support of the waist and the support of the shoulders are not simultaneous. Before the shoulders are supported after the waist is supported, the passenger will involuntarily tighten the back, resulting in a poor leaning experience. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a folding surface automotive seat skeleton to solve the technical problem that when a passenger leans on an automotive seat with a planar automotive seat skeleton, because the support of the waist and the support of the shoulders are not simultaneous, the passenger will involuntarily tighten the back, resulting in a poor leaning experience.

[0005] To solve the above technical problem, the utility model provides a folding surface automotive seat skeleton, including: a pair of side rods, and a waist support spring wire group is provided at the lower part thereof; the upper parts of the side rods are bent forward to form a forward-inclined section, and a shoulder support spring wire is provided on the forward-inclined section to protrude from the waist support spring wire group.

[0006] Further, the waist support spring wire group includes: a middle waist support spring wire, which is connected to the parallel section of the frame of the two side rods; the included angle α between the parallel section of the frame and the forward-inclined section is 18° - 22°; the distance from the connection point of the shoulder support spring wire and the forward-inclined section to the intersection point of the forward-inclined section and the parallel section of the frame is L1, the length of the forward-inclined section is L2, the distance from the connection point of the middle waist support spring wire and the parallel section of the frame to the intersection point of the forward-inclined section and the parallel section of the frame is L3, and the length of the parallel section of the frame is L4; the ratio of L1:L2:L3:L4 is 28 - 32:150 - 155:240 - 245:338 - 342.

[0007] Further, the included angle α between the parallel section of the frame and the forward-inclined section is 19°; the ratio of L1:L2:L3:L4 is 30:153:243:340.

[0008] Further, spring hooks are connected to the upper parts of the parallel sections of the frame; both ends of the middle waist support spring wire are connected with connecting spring wires; the connecting spring wires are all wound in the frame fixing member.

[0009] Further, the frame fixing member includes: a bending plate; a first spring wire clamping groove is provided on the outer side wall of the short plate section of the bending plate; a second spring wire clamping groove is provided on the outer side wall of the long plate section of the bending plate, and a wire passing hole is provided adjacent to the second spring wire clamping groove.

[0010] Further, a frame buckle is provided on the inner side wall of the long plate section.

[0011] Further, the waist support spring wire group further includes: an upper waist support spring wire, which is connected to the parallel sections of the frames of the two side rods and is located above the middle waist support spring wire; a lower waist support spring wire, which is connected to the parallel sections of the frames of the two side rods and is located below the middle waist support spring wire; the upper waist support spring wire and the lower waist support spring wire are both bent to respectively form an upward bending part and a downward bending part.

[0012] Further, a plurality of transition spring wires are provided between the upper waist support spring wire and the shoulder support spring wire.

[0013] The beneficial effect of the present utility model is that the present utility model aims to solve the technical problem that when a passenger leans on an automobile seat with a flat automobile seat frame, since the waist and the shoulder are not supported simultaneously, the back will involuntarily tighten, resulting in a poor leaning experience. The upper parts of the side rods of the present folding surface automobile seat frame are all bent forward to form a forward-inclined section, and a shoulder support spring wire can be arranged on the forward-inclined section, so that the shoulder support spring wire protrudes from the waist support spring wire group. When the present folding surface automobile seat frame is in the frame of an automobile seat in a slightly reclined state, when the waist of the passenger contacts the waist support spring wire group, the forward-protruding shoulder support spring wire can also contact the shoulder of the passenger. When the passenger transfers more weight to the seat later, the shoulder support spring wire and the waist support spring wire group deform simultaneously, and can start to support the shoulder and the waist of the passenger at the same time, improving the leaning experience. Description of the Drawings

[0014] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the specific embodiments or the prior description. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 is the structural schematic diagram of the folding surface automobile seat frame of the present utility model Figure 1 ;

[0016] Figure 2 is the side view of the folding surface automobile seat frame of the present utility model;

[0017] Figure 3 is the structural schematic diagram of the folding surface automobile seat frame of the present utility model Figure 2 ;

[0018] Figure 4 is Figure 3 the enlarged view of part A in

[0019] Figure 5 is Figure 3 the enlarged view of part B in

[0020] In the figure:

[0021] side rod 100, forward tilt section 110, frame parallel section 120,

[0022] waist support spring wire group 200, middle waist support spring wire 210, upper waist support spring wire 220, upward bending part 221, lower waist support spring wire 230, downward bending part 231,

[0023] shoulder support spring wire 300,

[0024] spring hook 400,

[0025] connecting spring wire 500,

[0026] frame fixing part 600, bending plate 610, short plate section 611, long plate section 612, first spring wire clamping groove 620, second spring wire clamping groove 630, wire passing hole 640, frame buckle 650,

[0027] transition spring wire 700. Specific embodiments

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. 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 protection scope of the present utility model.

[0029] Embodiment

[0030] As Figure 1 shown, the present utility model provides a folded-surface automotive seat frame, including: a pair of side rods 100, with a lumbar support spring wire group 200 provided at the lower part thereof; the upper parts of the side rods 100 are bent forward to form a forward-inclined section 110, and a shoulder support spring wire 300 is provided on the forward-inclined section 110 to protrude from the lumbar support spring wire group 200.

[0031] The upper parts of the side rods 100 of the present folded-surface automotive seat frame are bent forward to form a forward-inclined section 110, and a shoulder support spring wire 300 can be provided on the forward-inclined section 110, so that the shoulder support spring wire 300 protrudes from the lumbar support spring wire group 200. When the present folded-surface automotive seat frame is in the frame of an automotive seat in a slightly reclined state, when the waist of a passenger contacts the lumbar support spring wire group 200, the forward-protruding shoulder support spring wire 300 can also contact the shoulder of the passenger. When the passenger transfers more weight to the seat later, the shoulder support spring wire 300 and the lumbar support spring wire group 200 deform simultaneously, and can start to support the shoulder and waist of the passenger at the same time, improving the leaning experience.

[0032] As Figure 1 shown, the lumbar support spring wire group 200 may include: a middle lumbar support spring wire 210, which is connected to the parallel sections 120 of the two side rods 100; reference Figure 2, in at least one embodiment, when the folded surface vehicle seat frame is in the frame of a vehicle seat in a slightly reclined state, when the passenger's waist contacts the waist support spring wire group 200, the forward-projecting shoulder support spring wire 300 can also contact the passenger's shoulder. The angle α between the frame parallel section 120 and the forward-inclined section 110 is 18° to 22°; the distance from the connection point of the shoulder support spring wire 300 and the forward-inclined section 110 to the intersection point of the forward-inclined section 110 and the frame parallel section 120 is L1, the length of the forward-inclined section 110 is L2, the distance from the connection point of the middle waist support spring wire 210 and the frame parallel section 120 to the intersection point of the forward-inclined section 110 and the frame parallel section 120 is L3, and the length of the frame parallel section 120 is L4; the ratio of L1:L2:L3:L4 is 28 - 32:150 - 155:240 - 245:338 - 342.

[0033] In at least one embodiment, the angle α between the frame parallel section 120 and the forward-inclined section 110 is 19°; the ratio of L1:L2:L3:L4 is 30:153:243:340. At this angle and ratio, for the vast majority of passengers with normal body types, it can be ensured that when the passenger's waist contacts the waist support spring wire group 200, the forward-projecting shoulder support spring wire 300 can also almost simultaneously contact the passenger's shoulder, and the passenger will not perceive that the supports are not simultaneous, nor will they involuntarily tighten their backs.

[0034] As Figure 1 shown, spring hooks 400 are connected to the upper parts of the frame parallel section 120; in combination with Figure 3 , connection spring wires 500 are connected to both ends of the middle waist support spring wire 210; the connection spring wires 500 are wound around the frame fixing member 600.

[0035] As Figure 4 and Figure 5 shown, the frame fixing member 600 may include: a bending plate 610; a first spring wire clamping groove 620 is provided on the outer side wall of the short plate section 611 of the bending plate 610; a second spring wire clamping groove 630 is provided on the outer side wall of the long plate section 612 of the bending plate 610, and a wire passing hole 640 is provided adjacent to the second spring wire clamping groove 630. By providing the first spring wire clamping groove 620, the second spring wire clamping groove 630, and the wire passing hole 640, the connection spring wire 500 can be clamped by the first spring wire clamping groove 620, clamped by the second spring wire clamping groove 630, and bent at two places before and after the wire passing hole 640, so as to be firmly wound around the frame fixing member 600. In at least one embodiment, the end of the connection spring wire 500 is thickened, so as to be more firmly wound around the frame fixing member 600.

[0036] As Figure 4As shown, a frame buckle 650 may be provided on the inner sidewall of the long board section 612 for connecting with the frame of an automotive seat.

[0037] As Figure 1 shown, the lumbar support spring wire group 200 may further include: an upper lumbar support spring wire 220, which is connected to the parallel sections 120 of the frames of the two side rods 100 and is located above the middle lumbar support spring wire 210; a lower lumbar support spring wire 230, which is connected to the parallel sections 120 of the frames of the two side rods 100 and is located below the middle lumbar support spring wire 210; both the upper lumbar support spring wire 220 and the lower lumbar support spring wire 230 are bent to respectively form an upwardly bent portion 221 and a downwardly bent portion 231. The upper lumbar support spring wire 220 and the lower lumbar support spring wire 230 can provide a better sense of wrapping for the waist.

[0038] As Figure 1 shown, a number of transition spring wires 700 are provided between the upper lumbar support spring wire 220 and the shoulder support spring wire 300.

[0039] By providing the spring hooks 400, the connecting spring wires 500 and the frame fixing members 600, the two relatively large-elastic spring hooks 400 at the upper part can produce relatively large deformations, while the relatively small-elastic connecting spring wires 500 at the lower part will only produce relatively small deformations. The waist of the passenger can be supported completely first and stop moving backward, while the shoulders can continue to move backward until the spring hooks 400 are deformed to the maximum. The transition spring wires 700 between the shoulder support spring wire 300 and the lumbar support spring wire group 200 can correspondingly fit the part from the shoulder to the waist of the passenger. Thus, when the passenger is fully reclined on the seat, the waist to the shoulder is in an approximate S shape. Compared with the lack of shoulder support feeling of the flat automotive seat frame, this frame can fit well with the body curve of the upper body of the passenger and provide complete support for the upper body of the passenger.

[0040] In summary, the upper parts of the side rods 100 of the present folding surface automotive seat frame are bent forward to form the forward-inclined sections 110, and the shoulder support spring wire 300 can be provided on the forward-inclined sections 110, so that the shoulder support spring wire 300 protrudes from the lumbar support spring wire group 200. When the present folding surface automotive seat frame is in the frame of an automotive seat in a slightly reclined state, when the waist of the passenger contacts the lumbar support spring wire group 200, the forward-protruding shoulder support spring wire 300 can also contact the shoulders of the passenger. Then, when the passenger transfers more weight to the seat, the shoulder support spring wire 300 and the lumbar support spring wire group 200 are deformed simultaneously, and can start to support the shoulders and the waist of the passenger at the same time, improving the reclining experience.

[0041] In the embodiments provided in this application, it should be understood that the disclosed systems and devices can be implemented in other ways. The embodiments described above are only illustrative. For example, the division of the mechanisms is only a logical function division. In actual implementation, there may be other division methods. For another example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0042] In the description of the present invention, 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 drawings. It is only for the convenience of describing the present invention 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 invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] Based on the above inspiration from the ideal embodiments of the present invention, through the above description, those skilled in the art can make various changes and modifications completely within the scope of the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A folding surface automotive seat frame, characterized in that, Comprising: A pair of side rods (100) with a waist support spring wire group (200) provided at the lower part thereof; The upper parts of the side rods (100) are bent forward to form a forward-inclined section (110), and a shoulder support spring wire (300) is provided on the forward-inclined section (110) to protrude from the waist support spring wire group (200).

2. The folded-surface vehicle seat frame according to claim 1, characterized in that The waist support spring wire group (200) comprises: A middle waist support spring wire (210) which is connected to the frame parallel sections (120) of the two side rods (100); The included angle α between the frame parallel section (120) and the forward-inclined section (110) is 18° - 22°; The distance from the connection point of the shoulder support spring wire (300) and the forward-inclined section (110) to the intersection point of the forward-inclined section (110) and the frame parallel section (120) is L1, the length of the forward-inclined section (110) is L2, the distance from the connection point of the middle waist support spring wire (210) and the frame parallel section (120) to the intersection point of the forward-inclined section (110) and the frame parallel section (120) is L3, and the length of the frame parallel section (120) is L4; The ratio of L1:L2:L3:L4 is 28 - 32:150 - 155:240 - 245:338 - 342.

3. The folded-surface vehicle seat frame according to claim 2, characterized in that The included angle α between the frame parallel section (120) and the forward-inclined section (110) is 19°; The ratio of L1:L2:L3:L4 is 30:153:243:

340.

4. The folded-surface vehicle seat frame according to claim 2, characterized in that Spring hooks (400) are connected to the upper parts of the frame parallel sections (120); Both ends of the middle waist support spring wire (210) are connected with connecting spring wires (500); The connecting spring wires (500) are all wound in the frame fixing parts (600).

5. The folded-surface vehicle seat frame according to claim 4, characterized in that The frame fixing part (600) comprises: A bending plate (610); A first spring wire clamping groove (620) is provided on the outer side wall of the short plate section (611) of the bending plate (610); A second spring wire clamping groove (630) is provided on the outer side wall of the long plate section (612) of the bending plate (610), and a wire-passing hole (640) is provided adjacent to the second spring wire clamping groove (630).

6. The folded-surface vehicle seat frame according to claim 5, characterized in that A frame buckle (650) is provided on the inner side wall of the long plate section (612).

7. The folded-surface vehicle seat frame according to claim 4, characterized in that The waist support spring wire group (200) further comprises: An upper waist support spring wire (220) which is connected to the frame parallel sections (120) of the two side rods (100) and is located above the middle waist support spring wire (210); The lower lumbar support spring wire (230) is connected to the parallel sections (120) of the frames of the two side rods (100) and is located below the middle lumbar support spring wire (210); Both the upper lumbar support spring wire (220) and the lower lumbar support spring wire (230) are bent to respectively form an upwardly bent portion (221) and a downwardly bent portion (231).

8. The folded surface vehicle seat frame according to claim 7, characterized in that A plurality of transition spring wires (700) are provided between the upper lumbar support spring wire (220) and the shoulder support spring wire (300).

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