Cushion framework for automobile seat

Abstract

The utility model provides a cushion framework for an automobile seat. The cushion framework comprises an annular supporting frame, a plurality of first supporting legs and a plurality of second supporting legs, wherein the first supporting legs are distributed at intervals from left to right; the second supporting legs are distributed at intervals from left to right; all the first supporting legs are located at the rear edge of the supporting frame, the upper end of each first supporting leg is welded and fixed to the bottom of the rear edge of the supporting frame, all the second supporting legs are located at the front edge of the supporting frame, and the upper end of each second supporting leg is welded and fixed to the bottom of the front edge of the supporting frame; a vertically-arranged positioning column is welded and fixed to the bottom of each first supporting leg, and each positioning column is used for being connected with a positioning hole in an automobile frame in a matched and inserted mode so that the cushion framework and the automobile frame can be limited. When being fixed with the automobile frame, the fixing device can be positioned with the automobile frame, so that the fixing device has the advantage that the fixing device can be conveniently fixed with the automobile frame.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seat accessories, in particular to a seat cushion frame for an automobile seat. Background Art

[0002] The seat cushion frame of a car seat is an important component of the car seat cushion. The seat cushion frame of car seats currently on the market includes a ring-shaped support frame, a plurality of first support feet spaced from left to right, and a plurality of second support feet spaced from left to right; all first support feet are located at the rear edge of the support frame, and the upper end of each first support foot is welded and fixed to the bottom of the rear edge of the support frame; all second support feet are located at the front edge of the support frame, and the upper end of each second support foot is welded and fixed to the bottom of the front edge of the support frame; however, when the seat cushion frame is fixed to the car frame, that is, when the first support feet and the second support feet are fixed to the car frame by bolts, since the seat cushion frame and the car frame do not have a positioning function, there is a disadvantage of inconvenient fixing of the seat cushion frame to the car frame. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a seat cushion frame for an automobile seat, which can be positioned with the automobile frame when being fixed with the automobile frame, thereby having the advantage of being conveniently fixed with the automobile frame.

[0004] The utility model provides a seat cushion frame for a car seat, comprising a ring-shaped support frame, a plurality of first support legs spaced from left to right, and a plurality of second support legs spaced from left to right; all the first support legs are located at the rear edge of the support frame, and the upper end of each first support leg is welded and fixed to the bottom of the rear edge of the support frame; all the second support legs are located at the front edge of the support frame, and the upper end of each second support leg is welded and fixed to the bottom of the front edge of the support frame; a vertically arranged positioning column is welded and fixed to the bottom of each first support leg, and each positioning column is used to cooperate and plug with a positioning hole on the car frame to achieve positioning of the seat cushion frame and the car frame.

[0005] After the utility model adopts the above structure, before the first supporting foot and the second supporting foot are fixed to the automobile frame by bolts, the positioning column on each first supporting foot can be plugged with the positioning hole on the automobile frame, so that the seat cushion frame and the automobile frame can be pre-positioned, which can facilitate the process of fixing the first supporting foot and the second supporting foot to the automobile frame by bolts.

[0006] In a possible embodiment, an annular conical surface is provided on the outer wall of the lower end of each positioning column, and the annular conical surface shrinks inward from top to bottom along the radial direction of the positioning column; after the annular conical surface is provided on the outer wall of the lower end of each positioning column, when the seat cushion frame and the automobile frame are assembled, that is, when the lower end of the positioning column is engaged with the positioning hole on the automobile frame, the annular conical surface can cooperate with the positioning hole on the automobile frame to guide the lower end of the positioning column to be inserted into the positioning hole on the automobile frame, which can facilitate the assembly of the seat cushion frame and the automobile frame.

[0007] In a possible embodiment, the upper end of each positioning column is coaxially provided with an insertion rod with an outer diameter smaller than the positioning column, and an annular step is formed at the connection between the insertion rod and the positioning column, and a socket is provided at the bottom of each first supporting foot. After each insertion rod passes through the socket at the corresponding position from bottom to top, it is welded and fixed to the first supporting foot, and the annular step abuts against the lower end surface of the first supporting foot. After adopting this structure, since an annular step is formed at the connection between the insertion rod and the positioning column, after the insertion rod is mated with the socket, the annular step can abut against the lower end surface of the first supporting foot, that is, it can realize the limiting effect on the positioning column and the first supporting foot, and then it can bring convenience to the welding and fixation of the insertion rod and the first supporting foot.

[0008] In a possible embodiment, first limiting recesses are provided on the left and right sides of the upper end of each first supporting foot, and the first limiting recesses abut against the bottom of the rear edge of the supporting frame; after the first limiting recesses are provided on the left and right sides of the upper end of the first supporting foot, when the upper end of the first supporting foot and the bottom of the rear edge of the supporting frame are welded and fixed, the two first limiting recesses on each first supporting foot can be engaged with the bottom of the rear edge of the supporting frame, thereby realizing the limiting effect on the first supporting foot and the supporting frame, that is, it can facilitate the welding and fixing of the first supporting foot and the supporting frame.

[0009] In a possible embodiment, a plurality of reinforced depressions spaced from top to bottom are extruded and formed at the connection between the left and right side walls and the inner wall of each first supporting leg; by adopting this structure, the structural strength of the first supporting leg can be improved, that is, the deformation resistance of the first supporting leg can be improved, so that the first supporting leg can achieve reliable support for the supporting frame.

[0010] In a possible embodiment, second limiting recesses are provided on the left and right sides of the upper end of each second supporting foot, and the second limiting recesses are abutted against the bottom of the front edge of the supporting frame; after the second limiting recesses are provided on the left and right sides of the upper end of the second supporting foot, when the upper end of the second supporting foot is welded and fixed to the bottom of the front edge of the supporting frame, the two second limiting recesses on each second supporting foot can be engaged with the bottom of the front edge of the supporting frame, thereby realizing the limiting effect on the second supporting foot and the supporting frame, that is, it can facilitate the welding and fixing of the second supporting foot and the supporting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a first three-dimensional structural schematic diagram of the utility model;

[0012] Figure 2 This is a second three-dimensional structural schematic diagram of the utility model;

[0013] Figure 3 for Figure 2 The schematic diagram of the structure after the enlargement of A in the middle;

[0014] Figure 4 is a schematic diagram of the cross-sectional structure after the positioning column is connected to the first supporting foot;

[0015] Figure 5 It is a schematic diagram of the three-dimensional structure after the positioning column is connected to the first supporting leg;

[0016] Figure 6 It is a schematic diagram of the three-dimensional structure of the second supporting leg. DETAILED DESCRIPTION

[0017] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0018] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "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. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0019] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0020] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] See also Figure 1-6 As shown, an embodiment of the present application discloses a seat cushion frame for a car seat, comprising a ring-shaped support frame 1, a plurality of first support legs 2 spaced apart from left to right, and a plurality of second support legs 3 spaced apart from left to right; all first support legs 2 are located at the rear edge of the support frame 1, and the upper end of each first support leg 2 is welded and fixed to the bottom of the rear edge of the support frame 1, and all second support legs 3 are located at the front edge of the support frame 1, and the upper end of each second support leg 3 is welded and fixed to the bottom of the front edge of the support frame 1; a vertically arranged positioning column 4 is welded and fixed to the bottom of each first support leg 2, and each positioning column 4 is used to cooperate with a positioning hole on the car frame to achieve positioning of the seat cushion frame and the car frame.

[0022] An annular conical surface 41 is provided on the outer wall of the lower end of each positioning column 4, and the annular conical surface 41 shrinks inwardly from top to bottom along the radial direction of the positioning column 4; after the annular conical surface is provided on the outer wall of the lower end of each positioning column, when the seat cushion frame and the automobile frame are assembled, that is, when the lower end of the positioning column is matched and plugged into the positioning hole on the automobile frame, the annular conical surface can cooperate with the positioning hole on the automobile frame to guide the lower end of the positioning column to be inserted into the positioning hole on the automobile frame, which can facilitate the assembly of the seat cushion frame and the automobile frame.

[0023] The upper end of each positioning column 4 is coaxially provided with an insertion rod 42 whose outer diameter is smaller than that of the positioning column 4, and an annular step 43 is formed at the connection between the insertion rod 42 and the positioning column 4. A plug hole 20 is provided at the bottom of each first supporting foot 2. After each insertion rod 42 passes through the plug hole 20 at the corresponding position from bottom to top, it is welded and fixed to the first supporting foot 2, and the annular step 43 abuts against the lower end surface of the first supporting foot 2. After adopting this structure, since an annular step is formed at the connection between the insertion rod and the positioning column, after the insertion rod is mated with the plug hole, the annular step can abut against the lower end surface of the first supporting foot, that is, it can realize the limiting effect on the positioning column and the first supporting foot, and then it can bring convenience to the welding and fixation of the insertion rod and the first supporting foot.

[0024] The left and right sides of the upper end of each first supporting foot 2 are provided with a first limiting recess 21, and the first limiting recess 21 abuts against the bottom of the rear edge of the supporting frame 1; after the first limiting recesses are provided on the left and right sides of the upper end of the first supporting foot, when the upper end of the first supporting foot and the bottom of the rear edge of the supporting frame are welded and fixed, the two first limiting recesses on each first supporting foot can be embedded with the bottom of the rear edge of the supporting frame, thereby realizing the limiting effect on the first supporting foot and the supporting frame, that is, it can facilitate the welding and fixing of the first supporting foot and the supporting frame.

[0025] A plurality of reinforcing recesses 22 are extruded and distributed at intervals from top to bottom at the connection points between the left and right side walls and the inner wall of each first supporting leg 2; by adopting this structure, the structural strength of the first supporting leg can be improved, that is, the deformation resistance of the first supporting leg can be improved, so that the first supporting leg can achieve reliable support for the supporting frame.

[0026] The left and right sides of the upper end of each second supporting foot 3 are provided with a second limiting recess 31, and the second limiting recess 31 abuts against the bottom of the front edge of the supporting frame 1; after the second limiting recesses are provided on the left and right sides of the upper end of the second supporting foot, when the upper end of the second supporting foot and the bottom of the front edge of the supporting frame are welded and fixed, the two second limiting recesses on each second supporting foot can be embedded with the bottom of the front edge of the supporting frame, thereby realizing the limiting effect on the second supporting foot and the supporting frame, that is, it can facilitate the welding and fixing of the second supporting foot and the supporting frame.

[0027] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A seat cushion frame for a car seat, comprising a ring-shaped support frame (1), a plurality of first support legs (2) spaced from left to right, and a plurality of second support legs (3) spaced from left to right; all of the first support legs (2) are located at the rear edge of the support frame (1), and the upper end of each of the first support legs (2) is welded and fixed to the bottom of the rear edge of the support frame (1); all of the second support legs (3) are located at the front edge of the support frame (1), and the upper end of each of the second support legs (3) is welded and fixed to the bottom of the front edge of the support frame (1); characterized in that: A vertically arranged positioning column (4) is welded and fixed to the bottom of each of the first supporting legs (2), and each of the positioning columns (4) is used to cooperate with and plug into a positioning hole on the automobile frame to achieve positioning of the seat cushion frame and the automobile frame.

2. The seat cushion frame for a car seat according to claim 1, characterized in that: An annular conical surface (41) is provided on the outer wall of the lower end of each positioning column (4), and the annular conical surface (41) shrinks inwardly along the radial direction of the positioning column (4) from top to bottom.

3. The seat cushion frame for a car seat according to claim 1 or 2, characterized in that: The upper end of each positioning column (4) is coaxially provided with an insertion rod (42) whose outer diameter is smaller than that of the positioning column (4); an annular step (43) is formed at the connection between the insertion rod (42) and the positioning column (4); a plug hole (20) is provided at the bottom of each first supporting foot (2); each insertion rod (42) passes through the plug hole (20) at a corresponding position from bottom to top and is then welded and fixed to the first supporting foot (2); and the annular step (43) abuts against the lower end surface of the first supporting foot (2).

4. The seat cushion frame for a car seat according to claim 1, characterized in that: A first limiting recess (21) is provided on both left and right sides of the upper end of each of the first supporting legs (2), and the first limiting recess (21) abuts against the bottom of the rear edge of the supporting frame (1).

5. The seat cushion frame for a car seat according to claim 1, characterized in that: A plurality of reinforcement recesses (22) are formed at the connection between the left and right side walls and the inner side wall of each first supporting leg (2) and are spaced from top to bottom.

6. The seat cushion frame for a car seat according to claim 1, characterized in that: A second limiting recess (31) is provided on both left and right sides of the upper end of each second supporting foot (3), and the second limiting recess (31) abuts against the bottom of the front edge of the supporting frame (1).

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