Automatic folding automobile seat and folding method

Abstract

The invention relates to the technical field of automobile seats, in particular to an automatic folding automobile seat which comprises an automobile body, a cushion, a mounting seat and a backrest and further comprises an adjusting assembly. The adjusting assembly comprises a guide rail, moving rods, rotating rods, a connecting seat, a rotating shaft, a driving component and a transmission component, when the seat needs to be folded, the driving component is started to drive the two moving rods to get close to each other, the moving rods drive the corresponding rotating rods to move, then the connecting seat is driven to move, the connecting seat descends, and therefore the seat cushion is driven to descend; the occupied space of the cushion in the vertical direction is reduced; the driving component drives the transmission component to move at the same time, the transmission component drives the rotating shaft to rotate, then the rotating shaft drives the backrest to rotate, the backrest can be folded, and when the cushion is lowered to the lowest, the backrest abuts against the cushion, so that folding of the seat is completed, and automatic folding of the seat is achieved. Meanwhile, the space occupation of the seat in the vertical and horizontal directions can be reduced, and the utilization rate of the space in the vehicle is increased.

Description

Technical Field

[0001] The invention relates to the technical field of automobile seats, in particular to an automatically folding automobile seat. Background Art

[0002] A car seat comprises a seat cushion and a backrest. Traditional car seats cannot be folded when not in use, which results in the car space being occupied and the space utilization rate is low.

[0003] The folding car seat can fold the backrest so that the backrest can be folded and placed on the seat cushion, reducing the occupied space and improving space utilization.

[0004] However, during use, the folding operation needs to be done manually. Although the folded seats reduce the space occupied in the horizontal direction, in the vertical direction, since the seat cushion height remains unchanged, there are still certain limitations for small vehicles or scenarios that need to maximize storage space. Summary of the invention

[0005] The purpose of the present invention is to provide an automatically folding car seat, which solves the problem that although the existing folding car seats reduce the space occupied in the horizontal direction, in the vertical direction, since the height of the seat cushion remains unchanged, there are still certain limitations for small vehicles or scenarios where the storage space needs to be maximized.

[0006] To achieve the above-mentioned purpose, the present invention provides an automatically folding car seat, comprising a car body, a seat cushion, a mounting seat and a backrest, wherein the mounting seat is mounted on one side of the seat cushion, and the backrest is rotatably mounted on the mounting seat, and also includes an adjustment component located between the car body and the seat cushion; the adjustment component includes a guide rail, a moving rod, a rotating rod, a connecting seat, a rotating shaft, a driving member and a transmission member, the guide rail is fixedly connected to the car body and is located on one side of the car body, the moving rod is slidably connected to the guide rail and is arranged on the guide rail, the connecting seat is fixedly connected to the seat cushion and is located on a side of the seat cushion close to the car body, the two ends of the rotating rod are rotatably connected to the moving rod and the connecting seat respectively, the rotating rod is arranged on the moving rod, the rotating shaft is fixedly connected to the backrest and is located on one side of the backrest, the driving member is arranged on the car body and drives the moving rod to move, and the transmission member is arranged on the car body and drives the rotating shaft to rotate.

[0007] Among them, the moving rod includes a rod body, a slider and a threaded sleeve, the slider is slidably connected to the guide rail and is arranged on the guide rail; the rod body is fixedly connected to the slider, connected to the rotating rod, and is arranged on the slider; the threaded sleeve is fixedly connected to the rod body and is arranged on the rod body.

[0008] Among them, the rotating rod includes an inclined rod and a base, the base is fixedly connected to the rod body and is located on the side of the rod body away from the slider; the two ends of the inclined rod are respectively rotatably connected to the base and the connecting seat, and the inclined rod is arranged on the base.

[0009] Among them, the driving component includes a first support, a driving motor and a bidirectional screw, the first support is fixedly connected to the vehicle body and is arranged on the vehicle body; the driving motor is connected to the vehicle body and is located on a side of the vehicle body close to the guide rail; the bidirectional screw is rotatably connected to the first support, connected to the output end of the driving motor, and threadedly connected to the threaded sleeve.

[0010] Among them, the driving component also includes a guiding component, which includes a second support, a guide rod and a linear bearing, the second support is fixedly connected to the vehicle body and is located on the side of the vehicle body close to the guide rail; the guide rod is fixedly connected to the second support and is arranged on the second support; the linear bearing is connected to the rod body, is slidably connected to the guide rod, and is sleeved on the guide rod.

[0011] Among them, the transmission component includes a mounting frame, a driving bevel gear and a driven bevel gear, the mounting frame is fixedly connected to the vehicle body and is arranged on the vehicle body; the driving bevel gear is fixedly connected to the bidirectional screw and is sleeved on the bidirectional screw; the driven bevel gear is rotatably connected to the mounting frame, meshes with the driving bevel gear, and is arranged on the mounting frame.

[0012] Wherein, the transmission component also includes a connecting rod, a worm wheel and a worm, the connecting rod is fixedly connected to the driven bevel gear, and is rotatably connected to the mounting frame, and is located on one side of the driven bevel gear; the worm wheel is fixedly connected to the rotating shaft and is sleeved on the rotating shaft; the worm is fixedly connected to the rotating shaft, meshes with the worm wheel, and is located at one end of the rotating shaft away from the driven bevel gear.

[0013] The invention also comprises an automatically folding car seat folding method, which is applied to the automatically folding car seat.

[0014] The present invention provides an automatically folding car seat. When the seat needs to be folded, the driving component is started to drive the two moving rods to approach each other, and the moving rod drives the corresponding rotating rod to move, thereby driving the connecting seat to move, so that the connecting seat is lowered, thereby driving the seat cushion to lower, reducing the space occupied by the seat cushion in the vertical direction; the driving component simultaneously drives the transmission component to move, so that the transmission component drives the rotating shaft to rotate, and then the rotating shaft drives the backrest to rotate, so that the backrest can be folded, and when the seat cushion is lowered to the lowest position, the backrest abuts against the seat cushion, thereby completing the folding of the seat and realizing automatic folding of the seat. At the same time, it can reduce the space occupied by the seat in the vertical and horizontal directions, thereby improving the utilization rate of the space in the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0016] Figure 1 It is a schematic diagram of the overall structure of an automatically folding automobile seat according to the first embodiment of the present invention.

[0017] Figure 2 Schematic diagram of the structure of the guide component of the first embodiment of the present invention.

[0018] Figure 3 The first embodiment of the present invention Figure 2 Enlarged view of point A.

[0019] Figure 4 It is a schematic diagram of the installation structure of the limiting sleeve according to the first embodiment of the present invention.

[0020] Figure 5 2 is a schematic diagram of the installation structure of the connecting rod according to the second embodiment of the present invention.

[0021] Figure 6 The second embodiment of the present invention Figure 5 Enlarged view of point C.

[0022] Figure 7 It is a schematic diagram of the installation structure of the worm gear according to the second embodiment of the present invention.

[0023] Figure 8 It is a schematic diagram of the installation structure of the first protective shell according to the third embodiment of the present invention.

[0024] In the figure: 101-car body, 102-seat cushion, 103-mounting seat, 104-backrest, 105-adjustment assembly, 106-guide rail, 107-moving rod, 108-rotating rod, 109-connecting seat, 110-rotating shaft, 111-driving member, 112-transmission member, 113-rod body, 114-slider, 115-threaded sleeve, 116-oblique rod, 117-base, 118-first support Seat, 119-drive motor, 120-bidirectional screw, 121-guide component, 122-second support, 123-guide rod, 124-linear bearing, 125-limit rod, 126-limit sleeve, 201-mounting frame, 202-active bevel gear, 203-driven bevel gear, 204-connecting rod, 205-worm gear, 206-worm, 301-first protective shell, 302-second protective shell. DETAILED DESCRIPTION

[0025] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0026] First embodiment:

[0027] See also Figures 1 to 4 ,in Figure 1 This is a schematic diagram of the overall structure of an automatically folding car seat. Figure 2 It is a schematic diagram of the structure of the guide component. Figure 3 yes Figure 2 A magnified image of Figure 4 It is a schematic diagram of the installation structure of the limit sleeve.

[0028] The present invention provides an automatically folding car seat, comprising a car body 101, a seat cushion 102, a mounting seat 103, a backrest 104 and an adjustment component 105, wherein the adjustment component 105 comprises a guide rail 106, a moving rod 107, a rotating rod 108, a connecting seat 109, a rotating shaft 110, a driving component 111 and a transmission component 112, wherein the moving rod 107 comprises a rod body 113, a slider 114 and a threaded sleeve 115, wherein the rotating rod 108 comprises an inclined rod 116 and a base 117, wherein the driving component 111 comprises a first support 118, a driving motor 119 and a bidirectional screw 120, wherein the driving component 111 further comprises a guide component 121, wherein the guide component 121 comprises a second support 122, a guide rod 123 and a linear bearing 124 The driving component 111 drives the moving rod 107 to move, thereby driving the rotating rod 108 to move, so that the rotating rod 108 drives the connecting seat 109 and the seat cushion 102 to descend, thereby reducing the height of the seat cushion 102. At the same time, the transmission component 112 drives the rotating shaft 110 to rotate, so that the rotating shaft 110 drives the backrest 104 to rotate, and then the backrest 104 abuts against the upper surface of the seat cushion 102. When the seat cushion 102 drops to the lowest point, the backrest 104 is also folded, thereby realizing automatic folding of the seat and improving the utilization rate of the space in the vehicle. It can be understood that the above scheme can be used to lower the height of the seat cushion 102, and can also be used to drive the rotating shaft 110 to rotate.

[0029] According to this specific embodiment, the mounting seat 103 is installed on one side of the seat cushion 102, and the backrest 104 is rotatably installed on the mounting seat 103. A headrest is also provided on the backrest 104 to support the passenger's head and neck and improve the passenger's comfort when riding. The backrest 104 can be rotated and then folded to reduce the occupied space.

[0030] The guide rail 106 is fixedly connected to the vehicle body 101 and is located on one side of the vehicle body 101. The moving rod 107 is slidably connected to the guide rail 106 and is arranged on the guide rail 106. The connecting seat 109 is fixedly connected to the seat cushion 102 and is located on a side of the seat cushion 102 close to the vehicle body 101. Both ends of the rotating rod 108 are rotatably connected to the moving rod 107 and the connecting seat 109 respectively. The rotating rod 108 is arranged on the moving rod 107. The rotating shaft 110 is fixedly connected to the backrest 104 and is located on one side of the backrest 104. The driving member 111 is arranged on the vehicle body 101 and drives the moving rod 107 to move. The transmission member 112 is arranged on the vehicle body 101 and drives the rotating shaft 110 to rotate. Two guide rails 106 are provided and are located on the left and right sides of the bottom of the seat cushion 102. Two moving rods 107 are provided and are respectively located on the front and rear sides of the guide rails 106. One moving rod 107 is provided and is located on the left and right sides of the bottom of the seat cushion 102. 07 is provided with two rotating rods 108, and the driving component 111 can drive the two moving rods 107 to move closer to or away from each other; when the seat needs to be folded, the driving component 111 is started to drive the two moving rods 107 to move closer to each other, and the moving rod 107 drives the corresponding rotating rod 108 to move, thereby driving the connecting seat 109 to move, so that the connecting seat 109 drops down, thereby driving the seat cushion 102 to drop down, reducing the space occupied by the seat cushion 102 in the vertical direction; the driving component 111 simultaneously drives the transmission component 112 to move, so that the transmission component 112 drives the rotating shaft 110 to rotate, and then the rotating shaft 110 drives the backrest 104 to rotate, so that the backrest 104 can be folded, and when the seat cushion 102 drops to the lowest position, the backrest 104 abuts against the seat cushion 102, thereby completing the folding of the seat, realizing automatic folding of the seat, and at the same time reducing the space occupied by the seat in the vertical and horizontal directions, thereby improving the utilization rate of the space in the vehicle.

[0031] Secondly, the slider 114 is slidably connected to the guide rail 106 and is arranged on the guide rail 106; the rod body 113 is fixedly connected to the slider 114, connected to the rotating rod 108, and is arranged on the slider 114; the threaded sleeve 115 is fixedly connected to the rod body 113 and is arranged on the rod body 113; through the sliding of the slider 114 on the guide rail 106, the rod body 113 can move along the length direction of the guide rail 106.

[0032] At the same time, the base 117 is fixedly connected to the rod body 113 and is located on the side of the rod body 113 away from the slider 114; the two ends of the inclined rod 116 are rotatably connected to the base 117 and the connecting seat 109 respectively, and the inclined rod 116 is arranged on the base 117; the base 117 is driven to move during the movement of the rod body 113, and then the base 117 drives the lower end of the downward inclined rod 116 to move, and at this time the inclined rod 116 drives the connecting seat 109 to rise and fall.

[0033] In addition, the first support 118 is fixedly connected to the vehicle body 101 and is arranged on the vehicle body 101; the drive motor 119 is connected to the vehicle body 101 and is located on a side of the vehicle body 101 close to the guide rail 106; the bidirectional screw 120 is rotatably connected to the first support 118, connected to the output end of the drive motor 119, and threadedly connected to the threaded sleeve 115; the thread directions at both ends of the bidirectional screw 120 are opposite, and the two moving rods 107 are respectively located on both sides of the bidirectional screw 120, and the bidirectional screw 120 is driven to rotate by the drive motor 119, so that the bidirectional screw 120 drives the threaded sleeves 115 on both sides to approach or move away from each other, and then drives the corresponding two rod bodies 113 to approach or move away from each other, thereby achieving the purpose of driving the moving rods 107 to approach or move away from each other.

[0034] Then, the adjustment component 105 also includes a limit rod 125 and a limit sleeve 126, the limit sleeve 126 is fixedly connected to the vehicle body 101 and is located on a side of the vehicle body 101 close to the seat cushion 102; one end of the limit rod 125 is fixedly connected to the seat cushion 102, and the other end of the limit rod 125 is slidably connected to the limit sleeve 126, and the limit rod 125 is located at the bottom of the seat cushion 102; the limit sleeve 126 is used to guide the lifting and lowering of the limit rod 125, and then guide the lifting and lowering of the seat cushion 102, so that the seat cushion 102 can only be lifted and lowered in the vertical direction, thereby improving the stability of the seat cushion 102 when lifting and lowering.

[0035] Finally, the guide component 121 includes a second support 122, a guide rod 123 and a linear bearing 124. The second support 122 is fixedly connected to the vehicle body 101 and is located on the side of the vehicle body 101 close to the guide rail 106; the guide rod 123 is fixedly connected to the second support 122 and is arranged on the second support 122; the linear bearing 124 is connected to the rod body 113, and is slidably connected to the guide rod 123, and is sleeved on the guide rod 123; the movement of the linear bearing 124 is guided by the guide rod 123, and then the movement of the rod body 113 is guided, so that the rod body 113 can only move along the length direction of the guide rod 123, thereby improving the stability of the rod body 113 when moving.

[0036] Second embodiment:

[0037] Based on the first embodiment, please refer to Figure 5 and Figure 6 , Figure 5 is a schematic diagram of the installation structure of the connecting rod of the second embodiment, Figure 6 The second embodiment of the Figure 5 As shown in the enlarged view at point C, the transmission component 112 of this embodiment includes a mounting frame 201, a driving bevel gear 202, a driven bevel gear 203, a connecting rod 204, a worm wheel 205 and a worm 206.

[0038] According to this specific embodiment, the mounting frame 201 is fixedly connected to the vehicle body 101 and is disposed on the vehicle body 101; the driving bevel gear 202 is fixedly connected to the bidirectional screw 120 and is sleeved on the bidirectional screw 120; the driven bevel gear 203 is rotationally connected to the mounting frame 201, meshes with the driving bevel gear 202, and is disposed on the mounting frame 201.

[0039] Among them, the connecting rod 204 is fixedly connected to the driven bevel gear 203, and is rotatably connected to the mounting frame 201, and is located on one side of the driven bevel gear 203; the worm wheel 205 is fixedly connected to the rotating shaft 110, and is sleeved on the rotating shaft 110; the worm 206 is fixedly connected to the rotating shaft 110, and is meshed with the worm wheel 205, and is located at one end of the rotating shaft 110 away from the driven bevel gear 203.

[0040] The driven bevel gear 203 is installed through the mounting frame 201. When the driving motor 119 drives the bidirectional screw 120 to rotate, the bidirectional screw 120 drives the active bevel gear 202 to rotate, and then drives the driven bevel gear 203 to rotate, so that the active bevel gear 202 drives the connecting rod 204 and the worm 206 to rotate, and the worm 206 drives the worm wheel 205 to rotate, and the worm wheel 205 drives the rotating shaft 110 to rotate, thereby achieving the purpose of driving the rotating shaft 110 to rotate; at the same time, through the self-locking property between the worm wheel 205 and the worm 206, the stability of the backrest 104 after folding is improved, and the backrest 104 is prevented from rotating during the driving of the vehicle.

[0041] When the automatic folding car seat of this embodiment is used, when the seat needs to be folded, the driving motor 119 is started to drive the bidirectional screw 120 to rotate, and the bidirectional screw 120 drives the threaded sleeves 115 on both sides to move away from each other, thereby driving the two rod bodies 113 to move away from each other, so that the rod body 113 drives the base 117 to move, and the base 117 drives the lower end of the inclined rod 116 to move, thereby causing the inclined rod 116 to drive the connecting seat 109 and the seat cushion 102 to descend. At this time, the seat cushion 102 and the The height of the backrest 104 is lowered; while the bidirectional screw 120 rotates, the active bevel gear 202 is driven to rotate, and the active bevel gear 202 drives the driven bevel gear 203 to rotate, thereby driving the connecting rod 204 and the worm 206 to rotate, so that the worm 206 drives the worm wheel 205 to rotate, and drives the rotating shaft 110 and the backrest 104 to rotate, so that when the seat cushion 102 is lowered, the backrest 104 rotates to fold, thereby realizing automatic folding of the seat and improving the space utilization.

[0042] Third embodiment:

[0043] Based on the first embodiment, please refer to Figure 8 , Figure 8 30 is a schematic diagram of the installation structure of the first protective shell of the second embodiment. The transmission component 112 of this embodiment further includes a first protective shell 301 and a second protective shell 302 .

[0044] According to this specific embodiment, the first protective shell 301 is fixedly connected to the vehicle body 101 and is sleeved on the drive motor 119; the second protective shell 302 is fixedly connected to the backrest 104 and is sleeved on the worm gear 205; the drive motor 119, the active bevel gear 202 and the driven bevel gear 203 are protected by the first protective shell 301 to prevent the active bevel gear 202 and the driven bevel gear 203 from being stuck by foreign objects; at the same time, the worm 206 and the worm wheel 205 are protected by the second protective shell 302 to prevent the worm wheel 205 and the worm 206 from being stuck by foreign objects, and a moving groove is also provided on the second protective shell 302 to prevent interference between the second protective shell 302 and the worm 206 and the connecting rod 204.

[0045] The invention also comprises an automatically folding car seat folding method, which is applied to the automatically folding car seat.

[0046] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An automatically foldable car seat, comprising a body, a seat cushion, a mounting seat and a backrest, wherein the mounting seat is mounted on one side of the seat cushion, and the backrest is rotatably mounted on the mounting seat. It is characterized in that Also included is an adjustment assembly located between the vehicle body and the seat cushion; The adjustment assembly includes a guide rail, a moving rod, a rotating rod, a connecting seat, a rotating shaft, a driving member and a transmission member. The guide rail is fixedly connected to the vehicle body and is located on one side of the vehicle body. The moving rod is slidably connected to the guide rail and is arranged on the guide rail. The connecting seat is fixedly connected to the seat cushion and is located on a side of the seat cushion close to the vehicle body. Both ends of the rotating rod are rotatably connected to the moving rod and the connecting seat respectively. The rotating rod is arranged on the moving rod. The rotating shaft is fixedly connected to the backrest and is located on one side of the backrest. The driving member is arranged on the vehicle body and drives the moving rod to move. The transmission member is arranged on the vehicle body and drives the rotating shaft to rotate.

2. The automatically folding car seat according to claim 1, It is characterized in that The moving rod includes a rod body, a slider and a threaded sleeve. The slider is slidably connected to the guide rail and is arranged on the guide rail; the rod body is fixedly connected to the slider, connected to the rotating rod, and arranged on the slider; the threaded sleeve is fixedly connected to the rod body and is arranged on the rod body.

3. The automatically folding car seat as claimed in claim 2, It is characterized in that The rotating rod includes an inclined rod and a base, wherein the base is fixedly connected to the rod body and is located on a side of the rod body away from the slider; both ends of the inclined rod are rotatably connected to the base and the connecting seat respectively, and the inclined rod is arranged on the base.

4. The automatically folding car seat as claimed in claim 2, It is characterized in that The driving component includes a first support, a driving motor and a bidirectional screw. The first support is fixedly connected to the vehicle body and is arranged on the vehicle body; the driving motor is connected to the vehicle body and is located on a side of the vehicle body close to the guide rail; the bidirectional screw is rotatably connected to the first support, connected to the output end of the driving motor, and threadedly connected to the threaded sleeve.

5. The automatically folding car seat as claimed in claim 4, It is characterized in that The driving member also includes a guiding component, which includes a second support, a guide rod and a linear bearing, wherein the second support is fixedly connected to the vehicle body and is located on a side of the vehicle body close to the guide rail; the guide rod is fixedly connected to the second support and is arranged on the second support; the linear bearing is connected to the rod body, is slidably connected to the guide rod, and is sleeved on the guide rod.

6. The automatically folding car seat as claimed in claim 4, It is characterized in that The transmission component includes a mounting frame, a driving bevel gear and a driven bevel gear. The mounting frame is fixedly connected to the vehicle body and is arranged on the vehicle body; the driving bevel gear is fixedly connected to the bidirectional screw and is sleeved on the bidirectional screw; the driven bevel gear is rotatably connected to the mounting frame, meshes with the driving bevel gear, and is arranged on the mounting frame.

7. The automatically folding vehicle seat as claimed in claim 6, It is characterized in that The transmission component also includes a connecting rod, a worm wheel and a worm. The connecting rod is fixedly connected to the driven bevel gear and is rotatably connected to the mounting frame, and is located on one side of the driven bevel gear; the worm wheel is fixedly connected to the rotating shaft and is sleeved on the rotating shaft; the worm is fixedly connected to the rotating shaft and meshes with the worm wheel, and is located at one end of the rotating shaft away from the driven bevel gear.

8. A method for folding a car seat automatically. It is characterized in that Applicable to the automatically folding car seat as described in any one of claims 1-7.

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