Automobile seat with seat cushion folding function

Abstract

The present invention discloses an automobile seat with a seat cushion folding function, which includes a seat frame and a seat cushion frame. The automobile seat further includes two rotatable frames arranged symmetrically left and right. The lower ends of the two rotatable frames are respectively welded and fixed to the left and right sides of the rear part of the seat cushion frame, and the upper ends of the two rotatable frames are respectively rotatably connected to the left and right sides of the seat frame. A support beam is arranged below the seat cushion frame for supporting the seat cushion frame, and the two ends of the support beam are respectively welded and fixed to the left and right sides of the seat frame. A locking structure is arranged between one of the rotatable frames and the seat cushion frame. After the front edge of the seat cushion frame is turned upwards, the locking structure is used to lock the corresponding rotatable frame. The present invention enables the seat cushion in the automobile seat to have a folding function. In this way, when the automobile seat is installed in the co-pilot of a large truck, after the seat cushion is folded, large items can be placed in the co-pilot of the large truck, thus bringing convenience to people.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle seats, and particularly relates to a vehicle seat with a seat cushion folding function. Background Art

[0002] Currently, the seat cushions in vehicle seats for the co-driver of large trucks generally do not have the function of folding. That is, the seat cushion in the vehicle seat always occupies a relatively large space in the carriage. In this way, when large items need to be placed on the co-driver's seat of a large truck, there is a disadvantage that large items cannot be placed, which will bring inconvenience to people. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides a vehicle seat with a seat cushion folding function, in which the seat cushion frame inside can be folded relative to the seat frame. In this way, the seat cushion in the vehicle seat can have the function of folding.

[0004] The vehicle seat with a seat cushion folding function of the present invention includes a seat frame and a seat cushion frame. The vehicle seat further includes two rotating frames arranged symmetrically left and right. The lower ends of the two rotating frames are respectively welded and fixed to the left and right sides of the rear part of the seat cushion frame, and the upper ends of the two rotating frames are respectively rotatably connected to the left and right sides of the seat frame; a support beam is arranged below the seat cushion frame. After the front edge of the seat cushion frame rotates downward, the support beam is used to support the seat cushion frame, and the two ends of the support beam are respectively welded and fixed to the left and right sides of the seat frame; a locking structure is arranged between one of the rotating frames and the seat cushion frame. After the front edge of the seat cushion frame flips upward, the locking structure is used to lock the corresponding rotating frame.

[0005] In the vehicle seat with a seat cushion folding function of the present invention, wherein, a bent section bent inward is arranged at the lower end of each rotating frame, and the bent section on each rotating frame is welded and fixed to the upper end surface of the rear side of the seat cushion frame; by adopting this structure, the lower end of each rotating frame can be reliably welded and fixed to the rear side of the seat cushion frame, and has the advantage of high welding firmness between each rotating frame and the seat cushion frame.

[0006] In the vehicle seat with a seat cushion folding function of the present invention, wherein, the upper end of each rotating frame is rotatably connected to the seat frame through a first pin; by adopting this structure, the upper end of each rotating frame can be reliably rotatably connected to the seat frame.

[0007] The vehicle seat with a seat cushion folding function according to the present invention, wherein the locking structure includes a locking block. The middle part of the locking block is rotatably connected to the seat frame. A bent edge is provided on the rotating frame. A step is provided at one end of the locking block. A guiding surface is provided on the outer wall of one end of the locking block for cooperating with the bent edge to guide when the front edge of the seat cushion frame is turned upwards so as to facilitate the engagement of the bent edge with the step. An elastic pulling member is provided between the other end of the locking block and the first pin on the corresponding side. When the bent edge is in a state of engaging with the step, when the front edge of the seat cushion frame is continuously turned upwards to disengage the bent edge from the step, the elastic pulling member is used to drive the locking block to rotate and reset. After adopting such a locking structure, when the seat cushion frame is in a state of abutting against the support beam, when the front edge of the seat frame is turned upwards, the bent edge on the rotating frame on the side where the locking block is located can first abut against one end of the locking block and drive one end of the locking block to rotate upwards. During the continuous upward turning of the front edge of the seat frame, the bent edge on the rotating frame can be engaged with the step on one end of the locking block after cooperating with the guiding surface on the locking block and abut against the step. In this state, if the front edge in the seat frame wants to be turned downwards, since the bent edge and the step are in an abutting state, in this way, the front edge of the seat frame cannot be turned downwards, thus realizing the locking of the seat cushion frame. When the bent edge on the rotating frame is in a state of abutting against the step on the locking block, if the front edge in the seat frame continues to be turned upwards, the bent edge on the rotating frame can disengage from the step on the locking block. At this time, the unlocking of the seat frame is realized. At the same time, the rotating block can rotate and reset under the action of the elastic pulling member. After the seat frame is unlocked, the front edge of the seat frame can be turned downwards to reset.

[0008] The vehicle seat with a seat cushion folding function according to the present invention, wherein the elastic pulling member is a tension spring. A through hole is provided at the other end of the locking block. One end of the elastic pulling member is hooked in cooperation with the through hole, and the other end of the elastic pulling member is hooked in cooperation with the first pin on the corresponding side. After adopting the tension spring as the elastic pulling member, it has the advantages of simple structure and low cost. In addition, after adopting the above structure, the two ends of the tension spring can be conveniently connected to the locking block and the first pin.

[0009] The vehicle seat with a seat cushion folding function according to the present invention, wherein a second pin is movably inserted through the middle part of the locking block, and the second pin is fixed to the seat frame. The locking block is rotatably connected to the seat frame through the second pin. After adopting such a structure, the locking block can be reliably rotatably connected to the seat frame.

[0010] The vehicle seat with a seat cushion folding function according to the present invention, wherein insertion holes are provided on both the left and right sides of the seat frame, and both ends of the support beam are respectively inserted into one of the insertion holes and welded and fixed to the seat frame at the outer edge of the insertion hole; by adopting such a structure, both ends of the support beam can be reliably fixed to the seat frame together.

[0011] The seat cushion frame inside the present invention can be folded relative to the seat frame, that is, the seat cushion in the vehicle seat can have a folding function. In this way, when the vehicle seat is installed in the co-pilot of a large truck, when the seat cushion is folded, large items can be placed in the co-pilot of the large truck, thus bringing convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0013] Figure 1 is the first three-dimensional structural schematic diagram of the present invention;

[0014] Figure 2 is Figure 1 the enlarged structural schematic diagram of part A in

[0015] Figure 3 is the second three-dimensional structural schematic diagram of the present invention;

[0016] Figure 4 is Figure 3 the enlarged structural schematic diagram of part B in

[0017] Figure 5 is the third three-dimensional structural schematic diagram of the present invention;

[0018] Figure 6 is Figure 5 the enlarged structural schematic diagram of part C in

[0019] Figure 7 is the three-dimensional structural schematic diagram of the locking block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will disclose multiple embodiments of the present invention with reference to the drawings. For the sake of clarity, many practical details will be described together in the following description. However, it should be understood that these practical details are not used to limit the present invention. That is to say, in some embodiments of the present invention, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in a simple schematic manner in the drawings.

[0021] In addition, in the present invention, descriptions such as "first", "second", etc. are for descriptive purposes only, and do not particularly refer to the order or sequence. Nor are they used to limit the present invention. They are merely used to distinguish components or operations described with the same technical terms, and should not be construed as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0022] The vehicle seat with a seat cushion folding function of the present invention includes a seat frame 1 and a seat cushion frame 2. The vehicle seat further includes two rotating frames 3 arranged symmetrically left and right. The lower ends of the two rotating frames 3 are respectively welded and fixed to the left and right sides of the rear part of the seat cushion frame 2, and the upper ends of the two rotating frames 3 are respectively rotatably connected to the left and right sides of the seat frame 1; a support beam 4 is arranged below the seat cushion frame 2. After the front edge of the seat cushion frame 2 rotates downward, the support beam 4 is used to support the seat cushion frame 2, and the two ends of the support beam 4 are respectively welded and fixed to the left and right sides of the seat frame 1; a locking structure is arranged between one of the rotating frames 3 and the seat cushion frame 2. After the front edge of the seat cushion frame 2 flips upward, the locking structure is used to lock the corresponding rotating frame 3.

[0023] An inwardly bent bending section 31 is arranged at the lower end of each rotating frame 3, and the bending section 31 on each rotating frame 3 is welded and fixed to the upper end surface of the rear side of the seat cushion frame 2; by adopting this structure, the lower end of each rotating frame can be reliably welded and fixed to the rear side of the seat cushion frame together, and has the advantage of high welding firmness between each rotating frame and the seat cushion frame.

[0024] The upper end of each rotating frame 3 is rotatably connected to the seat frame 1 through a first pin 5; by adopting this structure, the upper end of each rotating frame can be reliably rotatably connected to the seat frame together.

[0025] The locking structure includes a locking block 6. The middle part of the locking block 6 is rotatably connected to the seat frame 1. A bent edge 32 is provided on the rotating frame 3. A step 61 is provided at one end of the locking block 6. A guiding surface 62 is provided on the outer wall of one end of the locking block 6 for cooperating with the bent edge 32 for guiding when the front edge of the seat cushion frame 2 is turned upwards so that the bent edge 32 can be engaged with the step 61. An elastic pulling member 7 is provided between the other end of the locking block 6 and the first pin 5 on the corresponding side. When the bent edge 32 is in the state of being engaged with the step 61, when the front edge of the seat cushion frame 2 is continuously turned upwards to disengage the bent edge 32 from the step 61, the elastic pulling member 7 is used to drive the locking block 6 to rotate and reset. After adopting this locking structure, when the seat cushion frame is in the state of abutting against the support beam, when the front edge of the seat frame is turned upwards, the bent edge on the rotating frame on the side where the locking block is located can first abut against one end of the locking block and drive one end of the locking block to rotate upwards. During the continuous upward turning of the front edge of the seat frame, the bent edge on the rotating frame can be engaged with the step on one end of the locking block after cooperating with the guiding surface on the locking block and abut against the step. In this state, if the front edge in the seat frame wants to be turned downwards, since the bent edge and the step are in the abutting state, in this way, the front edge of the seat frame cannot be turned downwards, thus realizing the locking of the seat cushion frame. When the bent edge on the rotating frame is in the state of abutting against the step on the locking block, if the front edge in the seat frame continues to rotate upwards, the bent edge on the rotating frame can disengage from the step on the locking block. At this time, the unlocking of the seat frame is realized. At the same time, the rotating block can rotate and reset under the action of the elastic pulling member. After the seat frame is unlocked, the front edge of the seat frame can be turned downwards and reset.

[0026] The elastic pulling member 7 is a tension spring. A through hole 63 is provided at the other end of the locking block 6. One end of the elastic pulling member 7 is hooked and connected with the through hole 63, and the other end of the elastic pulling member 7 is hooked and connected with the first pin 5 on the corresponding side. After adopting the tension spring as the elastic pulling member, it has the advantages of simple structure and low cost. In addition, after adopting the above structure, the two ends of the tension spring can be conveniently connected with the locking block and the first pin.

[0027] A second pin 8 is movably inserted through the middle part of the locking block 6. The second pin 8 is fixed to the seat frame 1. The locking block 6 is rotatably connected to the seat frame 1 through the second pin 8. After adopting this structure, the locking block can be reliably rotatably connected with the seat frame.

[0028] Insertion holes 11 are provided on both the left and right sides of the seat frame 1. Both ends of the support beam 4 are respectively inserted into one of the insertion holes 11 and welded and fixed to the seat frame 1 at the outer edge of the insertion hole 11. After adopting this structure, both ends of the support beam can be reliably fixed to the seat frame.

[0029] During the process of using the vehicle seat of the present invention, when it is necessary to fold the seat cushion in the vehicle seat, the front edge of the seat cushion frame is turned upward. At this time, the bent edge on the rotating frame on the side where the locking block is located can first abut against one end of the locking block and drive one end of the locking block to rotate upward. During the continuous upward rotation of the front edge of the seat frame, after the bent edge on the rotating frame is guided by the guiding surface on the locking block, it can be caught on the step at one end of the locking block and abut against the step. At this time, the locking of the seat cushion frame is achieved, that is, the folding of the seat cushion is achieved; when the seat cushion needs to be used, the front edge in the seat frame is rotated upward continuously. At this time, the bent edge on the rotating frame can be disengaged from the step on the locking block. In this way, the unlocking of the seat frame is achieved. At the same time, the rotating block can be rotated and reset under the action of the elastic pulling member. After the seat frame is unlocked, the front edge of the seat frame can be rotated downward and reset. After the front edge of the seat frame is rotated downward and reset, the seat cushion in the vehicle seat returns to the normal use state.

[0030] The above is only the embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. An automotive seat with a seat cushion folding function, comprising a seat frame (1) and a seat cushion frame (2), characterized in that: The vehicle seat further includes two rotatable frames (3) arranged symmetrically left and right. The lower ends of the two rotatable frames (3) are respectively welded and fixed to the left and right sides of the rear part of the seat cushion frame (2). The upper ends of the two rotatable frames (3) are respectively rotatably connected to the left and right sides of the seat frame (1). A support beam (4) is arranged below the seat cushion frame (2). After the front edge of the seat cushion frame (2) rotates downward, the support beam (4) is used to support the seat cushion frame (2). The two ends of the support beam (4) are respectively welded and fixed to the left and right sides of the seat frame (1). A locking structure is arranged between one of the rotatable frames (3) and the seat cushion frame (2). After the front edge of the seat cushion frame (2) flips upward, the locking structure is used to lock the corresponding rotatable frame (3). The lower end of each rotatable frame (3) is provided with a bent section (31) bent inward. The bent section (31) on each rotatable frame (3) is welded and fixed to the upper end surface of the rear side of the seat cushion frame (2). The upper end of each rotatable frame (3) is rotatably connected to the seat frame (1) through a first pin (5). The locking structure includes a locking block (6). The middle of the locking block (6) is rotatably connected to the seat frame (1). A bent edge (32) is arranged on the rotatable frame (3). A step (61) is arranged at one end of the locking block (6). A guiding surface (62) for cooperating with the bent edge (32) for guiding so that the bent edge (32) can be engaged with the step (61) when the front edge of the seat cushion frame (2) flips upward is arranged on the outer wall of one end of the locking block (6). An elastic pulling member (7) is arranged between the other end of the locking block (6) and the first pin (5) on the same side. In a state where the bent edge (32) is engaged with the step (61), when the front edge of the seat cushion frame (2) is further flipped upward to disengage the bent edge (32) from the step (61), the elastic pulling member (7) is used to drive the locking block (6) to rotate and reset. Jacks (11) are arranged on the left and right sides of the seat frame (1). The two ends of the support beam (4) are respectively inserted into one of the jacks (11) and welded and fixed to the seat frame (1) at the outer edge of the jack (11).

2. The automotive seat with a seat cushion folding function according to claim 1, characterized in that, The elastic pulling member (7) is a tension spring. A through hole (63) is arranged at the other end of the locking block (6). One end of the elastic pulling member (7) is hooked in cooperation with the through hole (63), and the other end of the elastic pulling member (7) is hooked in cooperation with the first pin (5) on the same side.

3. The vehicle seat with a seat cushion folding function according to claim 1, characterized in that, A second pin (8) is movably inserted through the middle of the locking block (6). The second pin (8) is fixed to the seat frame (1). The locking block (6) is rotatably connected to the seat frame (1) through the second pin (8).

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