Foldable vehicle seat structure

Abstract

The utility model relates to a foldable vehicle seat structure. The foldable vehicle seat structure comprises a cushion frame, a backrest frame arranged on the cushion frame, a connecting plate arranged on the backrest frame, a rotating shaft device arranged between the connecting plate and the cushion frame and a limiting piece for limiting the position of the backrest frame. The limiting piece is arranged on the cushion frame; the rotating shaft device is arranged at one end of the connecting plate; and the backrest frame and the connecting plate rotate by taking the rotating shaft device as a circle center. The problems that a seat backrest angle adjuster is difficult to fold within 90 degrees, or a more complex structure is needed, and the function requirement is difficult to achieve on some economical seats are solved. Meanwhile, the foldable seat has greater advantages in the packaging and transporting processes.

Description

Technical Field

[0001] The utility model relates to the field of vehicle seats, in particular to a foldable vehicle seat structure. Background Art

[0002] In the prior art, with the development of automobiles and other special vehicles, people's demand for in-car space is increasing day by day. The seat backs often need to be folded up to provide more space or to operate the functional components behind the seat. If the seat back recliner is used, it is difficult to achieve folding within 90 degrees, or a more complex structure is required. It is often difficult to achieve this function on some economical seats. At the same time, foldable seats have greater advantages in packaging and transportation. Utility Model Content

[0003] The embodiment of the present application provides a foldable vehicle seat structure, which solves the problem that the seat back recliner in the prior art is difficult to fold within 90 degrees, or requires a more complex structure, which is often difficult to achieve on some economical seats. At the same time, the foldable seat has greater advantages in packaging and transportation.

[0004] The technical solution adopted in the embodiments of the present application is as follows.

[0005] A foldable vehicle seat structure comprises a cushion frame, a backrest frame arranged on the cushion frame, a connecting plate arranged on the backrest frame, a rotating shaft device arranged between the connecting plate and the cushion frame, and a limiting member limiting the position of the backrest frame; the limiting member is arranged on the cushion frame; the rotating shaft device is arranged at one end of the connecting plate; the backrest frame and the connecting plate rotate with the rotating shaft device as the center of a circle; the limiting member comprises a bottom plate and a fixing member threadedly connected to the bottom plate; the bottom plate is arranged at the bottom of the cushion frame; both ends of the bottom plate are provided with extension long board; the fixing piece is threadedly connected to the extension board; the end face of the fixing piece faces the connecting plate; the rotating shaft device includes a sleeve, a side plate arranged on the cushion frame, a rotating shaft rotating in the sleeve, a bearing arranged on the rotating shaft and a retaining ring to prevent the rotating shaft from escaping; the sleeves are arranged in two groups relatively to each other; the two groups of the sleeves rotate independently and the bearings are arranged in the two groups of the sleeves; the sleeve on one side is arranged on the side plate; the sleeve on the other side is arranged on the connecting plate; the bearing is connected to the rotating shaft; the retaining rings are arranged at both ends of the rotating shaft.

[0006] A further technical solution is: a connection hole corresponding to the fixing piece is opened on the connection plate; the connection holes are arranged in a circular array in a plurality of groups; when the fixing piece is inserted into the connection hole, the angle of the connection plate is fixed.

[0007] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0008] 1. As the seat cushion frame is arranged on the vehicle, the bottom of the seat cushion frame is fixedly connected with a bottom plate, and extension plates are arranged at both ends of the bottom plate, which are inclined at a certain angle, and a fixing piece is threadedly connected to the extension plate, and the fixing piece is a bolt. A side plate is arranged on the seat cushion frame, and two groups of side plates are arranged relatively. A sleeve is arranged on the side plate, and the sleeve is cylindrical. A bearing is arranged in the sleeve, and a rotating shaft is arranged on the inner ring of the bearing. The rotating shaft rotates in the sleeve, and two groups of sleeves are arranged on the rotating shaft. The sleeve on the other side is connected to the connecting plate, and the connecting plate is connected to the backrest frame. The backrest frame and the connecting plate rotate with the sleeve shaft as the center of the circle, and retaining rings are arranged on both sides of the rotating shaft. The retaining ring prevents the rotating shaft from escaping from the sleeve shaft. A connecting hole is opened on the connecting plate, and the connecting hole corresponds to the fixing piece. A plurality of connecting holes are arranged in an array with the sleeve shaft as the center of the circle. When the fixing piece is inserted into the connecting hole, the angle of the backrest frame is fixed, thereby realizing a simple structure to adjust the angle of the backrest and to fold the backrest completely at 90 degrees. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the foldable vehicle seat structure in the utility model.

[0010] Figure 2 It is a partial cross-sectional view of the foldable vehicle seat structure of the present invention.

[0011] In the figure: 1. seat cushion frame; 2. backrest frame; 3. connecting plate; 31. connecting hole; 4. rotating shaft device; 41. sleeve; 42. side plate; 43. rotating shaft; 44. bearing; 45. retaining ring; 5. limiter; 51. bottom plate; 511. extension plate; 52. fixing part. DETAILED DESCRIPTION

[0012] The embodiment of the present application provides a foldable vehicle seat structure, which solves the problem that the seat back recliner in the prior art is difficult to fold within 90 degrees, or requires a more complex structure, which is often difficult to achieve on some economical seats. At the same time, the foldable seat has greater advantages in packaging and transportation.

[0013] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows

[0014] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] A foldable vehicle seat structure comprises a cushion frame 1, a backrest frame 2 arranged on the cushion frame 1, a connecting plate 3 arranged on the backrest frame 2, a rotating shaft device 4 arranged between the connecting plate 3 and the cushion frame 1, and a limiting member 5 for limiting the position of the backrest frame 2; the limiting member 5 is arranged on the cushion frame 1; the rotating shaft device 4 is arranged at one end of the connecting plate 3; the backrest frame 2 and the connecting plate 3 rotate with the rotating shaft device 4 as the center of the circle; the limiting member 5 comprises a bottom plate 51 and a fixing member 52 threadedly connected to the bottom plate 51; the bottom plate 51 is arranged at the bottom of the cushion frame 1; both ends of the bottom plate 51 are provided with extension plates 511; the fixing member The fixing member 52 is threadedly connected to the extension plate 511; the end face of the fixing member 52 faces the connecting plate 3; the rotating shaft device 4 includes a sleeve 41, a side plate 42 arranged on the cushion frame 1, a rotating shaft 43 rotating in the sleeve 41, a bearing 44 arranged on the rotating shaft 43 and a retaining ring 45 for preventing the rotating shaft 43 from escaping; the sleeve 41 is arranged in two groups relatively to each other; the two groups of sleeves 41 rotate independently and the two groups of sleeves 41 are both provided with bearings 44; the sleeve 41 on one side is arranged on the side plate 42; the sleeve 41 on the other side is arranged on the connecting plate 3; the bearing 44 is connected to the rotating shaft 43; retaining rings 45 are provided at both ends of the rotating shaft 43.

[0016] The connecting plate 3 is provided with connecting holes 31 corresponding to the fixing members 52 ; the connecting holes 31 are arranged in a circular array in a plurality of groups; when the fixing members 52 are inserted into the connecting holes 31 , the angle of the connecting plate 3 is fixed.

[0017] The seat cushion frame 1 is arranged on the vehicle, the bottom of the seat cushion frame 1 is fixedly connected with a bottom plate 51, both ends of the bottom plate 51 are provided with extension plates 511, the extension plates 511 are inclined at a certain angle, the extension plates 511 are threadedly connected with fixing members 52, the fixing members 52 are bolts, the seat cushion frame 1 is provided with side plates 42, the side plates 42 are relatively arranged in two groups, the side plates 42 are provided with sleeves 41, the sleeves 41 are cylindrical, a bearing 44 is provided in the sleeve 41, the inner ring of the bearing 44 is provided with a rotating shaft 43, and the rotating shaft 43 rotates on Inside the sleeve 41, two groups of sleeves 41 are arranged on the rotating shaft 43, the sleeve on the other side is connected to the connecting plate 3, the connecting plate 3 is connected to the backrest frame 2, the backrest frame 2 and the connecting plate 3 rotate with the sleeve as the center, and retaining rings 45 are arranged on both sides of the rotating shaft 43. The retaining rings 45 prevent the rotating shaft 43 from escaping from the sleeve. A connecting hole 31 is opened on the connecting plate 3, and the connecting hole 31 corresponds to the fixing piece 52. A plurality of connecting holes 31 are arranged in an array with the sleeve as the center. When the fixing piece 52 is inserted into the connecting hole 31, the angle of the backrest frame 2 is fixed.

[0018] Since the seat cushion frame 1 is arranged on the vehicle, the bottom of the seat cushion frame 1 is fixedly connected with a bottom plate 51, and extension plates 511 are arranged at both ends of the bottom plate 51, and the extension plates 511 are inclined at a certain angle. The extension plates 511 are threadedly connected with fixing members 52, and the fixing members 52 are bolts. The seat cushion frame 1 is provided with side plates 42, and the side plates 42 are relatively arranged in two groups. The side plates 42 are provided with sleeves 41, and the sleeves 41 are cylindrical. A bearing 44 is arranged in the sleeve 41, and a rotating shaft 43 is arranged on the inner ring of the bearing 44. The rotating shaft 43 rotates in the sleeve 41, and a rotating shaft 43 is arranged on the rotating shaft 43. Two groups of sleeves 41 are arranged, and the sleeve shaft on the other side is connected to the connecting plate 3, and the connecting plate 3 is connected to the backrest frame 2. The backrest frame 2 and the connecting plate 3 rotate with the sleeve shaft as the center of the circle. Circlips 45 are arranged on both sides of the rotating shaft 43. The circular retaining rings 45 prevent the rotating shaft 43 from escaping from the sleeve shaft. A connecting hole 31 is opened on the connecting plate 3, and the connecting hole 31 corresponds to the fixing piece 52. A plurality of connecting holes 31 are arranged in an array with the sleeve shaft as the center of the circle. When the fixing piece 52 is inserted into the connecting hole 31, the angle of the backrest frame 2 is fixed, thereby realizing a simple structure to adjust the angle of the backrest and to fold the backrest completely at 90 degrees.

[0019] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0020] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A foldable vehicle seat structure, characterized in that: The invention comprises a cushion frame (1), a backrest frame (2) arranged on the cushion frame (1), a connecting plate (3) arranged on the backrest frame (2), a rotating shaft device (4) arranged between the connecting plate (3) and the cushion frame (1), and a limiting member (5) for limiting the position of the backrest frame (2); the limiting member (5) is arranged on the cushion frame (1); the rotating shaft device (4) is arranged at one end of the connecting plate (3); the backrest frame (2) and the connecting plate (3) rotate with the rotating shaft device (4) as the center of a circle; the limiting member (5) comprises a bottom plate (51) and a fixing member (52) threadedly connected to the bottom plate (51); the bottom plate (51) is arranged at the bottom of the cushion frame (1); both ends of the bottom plate (51) are provided with extension plates (511); the fixing member (52) is threadedly connected to the bottom plate (51) On the extension plate (511); the end face of the fixing member (52) faces the connecting plate (3); the rotating shaft device (4) includes a sleeve (41), a side plate (42) arranged on the cushion frame (1), a rotating shaft (43) rotating in the sleeve (41), a bearing (44) arranged on the rotating shaft (43) and a retaining ring (45) preventing the rotating shaft (43) from escaping; the sleeve (41) is arranged in two groups relatively; the two groups of the sleeves (41) rotate independently and the bearings (44) are arranged in both groups of the sleeves (41); the sleeve (41) on one side is arranged on the side plate (42); the sleeve (41) on the other side is arranged on the connecting plate (3); the bearing (44) is connected to the rotating shaft (43); the retaining rings (45) are arranged at both ends of the rotating shaft (43).

2. The foldable vehicle seat structure according to claim 1, characterized in that: The connecting plate (3) is provided with connecting holes (31) corresponding to the fixing members (52); the connecting holes (31) are arranged in a circular array in a plurality of groups; when the fixing members (52) are inserted into the connecting holes (31), the angle of the connecting plate (3) is fixed.

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