Zero-gravity seat of commercial vehicle
By adjusting the angles of the seat cushion, backrest, leg rest, headrest, and footrest of commercial vehicle seats through motor drive and gear transmission mechanism, the problem of heavy truck passenger seats being unable to achieve a zero-gravity posture is solved, improving passenger comfort and rest quality, and reducing the risk of fatigue driving.
Patent Information
- Application Number
- CN202520860414.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-04-30
AI Technical Summary
Existing heavy-duty truck passenger seats cannot achieve a zero-gravity posture, causing passengers' muscles to be unable to relax during long-distance transportation, which can easily lead to fatigue driving and increase the risk of traffic accidents.
Design a zero-gravity seat for commercial vehicles. The angles of the seat cushion, backrest, leg rest, and headrest can be adjusted by a motor drive and a gear transmission mechanism or a worm gear mechanism. Combined with linkage control buttons, the optimal comfort angle can be achieved, including seat cushion sinking, backrest tilting, headrest tilting forward, leg rest raising, and footrest rotation.
It achieves a zero-gravity rest state for passengers, reduces blood circulation pressure, distributes body pressure evenly, improves riding comfort, reduces fatigue, enhances the quality of passenger rest, and helps avoid traffic accidents.
Smart Images
Figure CN223735883U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to vehicle seat technical field, especially relate to a commercial vehicle zero gravity seat. BACKGROUND
[0002] In the field of heavy truck seat, the driver seat and passenger seat are equipped in the driving cabin, and two drivers take turns to drive the vehicle during long-distance transportation. The structure of the passenger seat is relatively simple, and has no backrest folding, cushion inclination, leg support function, and cannot realize zero gravity posture function. When the co-driver rests, he can only keep sitting posture, and the muscles cannot be relaxed, so he cannot fully rest, which easily causes fatigue driving and traffic accidents. In recent years, with the youth of the drivers and the continuous improvement of people's living standards, the drivers' requirements for the comfort of truck seats are also increasing. Therefore, it is urgent to develop a zero gravity truck passenger seat to supply the market. SUMMARY
[0003] The utility model aims at providing a commercial vehicle zero gravity seat which is high in riding comfort, and the angle of the cushion, backrest, headrest, leg support and foot support can be adjusted.
[0004] The utility model solves the problem in the following way:
[0005] A commercial vehicle zero gravity seat, comprising a cushion supported on a seat base, armrests on both sides of the cushion, a backrest hinged to the rear side of the cushion, a leg support on the front side, a headrest hinged to the upper part of the backrest, a backrest drive motor provided on the rear part of the cushion to drive the backrest to rotate, a leg support drive motor provided on the front part of the cushion to drive the leg support to rotate, a cushion drive motor provided on the front upper part of the base to drive the cushion to rotate, a headrest drive motor provided on the upper part of the backrest to drive the headrest to rotate, a control panel provided on the outer side of the armrest, and control buttons provided on the control panel to control the rotation of all the motors.
[0006] As a further optimization of the above technical solution, the backrest drive motor, leg support drive motor, cushion drive motor and headrest drive motor respectively realize the angle adjustment of the cushion, backrest, leg support and headrest through a gear transmission mechanism or a worm gear mechanism or an angle adjuster.
[0007] As a further optimization of the above technical solution, the optimal adjustment angle of the headrest relative to the backrest is 156±7 degrees, the optimal adjustment angle of the backrest relative to the cushion is 126±7 degrees, the optimal adjustment angle of the cushion relative to the horizontal plane is 24±7 degrees, and the optimal adjustment angle of the leg support relative to the cushion is 135±7 degrees.
[0008] As a further optimization of the above technical solution, the control buttons include a headrest angle adjustment button, a backrest angle adjustment button, a cushion inclination angle adjustment button and a leg support angle adjustment button.
[0009] As a further optimization of the above technical solution, the control panel is provided with a linkage control button, and the linkage control button can simultaneously control the seat cushion driving motor, the backrest driving motor, the headrest driving motor and the leg support driving motor to adjust the seat cushion, the backrest, the headrest and the leg support to the optimal adjustment angle through the controller.
[0010] As a further optimization of the above technical solution, the lower side of the leg support is hingedly connected with a foot support, and the foot support is driven to rotate by a foot support driving motor.
[0011] As a further optimization of the above technical solution, the optimal adjustment angle of the foot support relative to the leg support is 117±7 degrees.
[0012] As a further optimization of the above technical solution, the control button comprises a foot support angle adjusting button.
[0013] As a further optimization of the above technical solution, the control panel is provided with a linkage control button, and the linkage control button can simultaneously control the backrest driving motor, the leg support driving motor, the seat cushion driving motor, the headrest driving motor and the foot support driving motor to adjust the seat cushion, the backrest, the headrest, the leg support and the foot support to the optimal adjustment angle.
[0014] The positive effect of the utility model compared with prior art is:
[0015] 1. The zero-gravity seat of the utility model utilizes the adjustable function of the leg part, the sitting part, the back part, the head part and the foot part to drive or linkage drive, so that the leg part is lifted, the sitting part is sunken (the front end is raised), the included angle between the trunk and the legs is 126 degrees (±7 degrees), the heart and the knee are on the same horizontal plane, the blood circulation pressure is reduced to the minimum, the body weight pressure is evenly distributed on the hip part, the back part, the thigh part and the calf part, the stress area of the human body and the seat is increased, so that the pressure on each part of the body is evenly dispersed on the seat, the person feels like floating on the water surface or in the clouds, and there is no compression feeling. Therefore, the zero-gravity state seat can provide the comfort in the maximum extent when resting, and has relatively high technical value.
[0016] 2. The utility model has the comfort function of improving the passenger, can effectively improve the comfort of the passenger when relaxing and resting, so that the passenger can better concentrate attention when controlling the vehicle after fully resting, and accidents can be avoided.
[0017] 3. The utility model has reasonable structure design, is convenient to use, the comfort degree of the passenger is high, and is suitable for popularization and use on commercial vehicles running for a long time. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a three-dimensional schematic view of the utility model.
[0019] Figure 2 is a three-dimensional and partial structure schematic view of the utility model.
[0020] Figure 3 is a related angle relationship diagram of headrest, backrest, cushion, leg support and foot support of the utility model under zero gravity posture. DETAILED DESCRIPTION
[0021] The utility model will be further described in conjunction with the specific embodiments with reference to the drawings, see Figures 1-3 :
[0022] A zero gravity seat of commercial vehicle, including the cushion 3 of seat base upper support and the armrest 14 of the both sides of cushion 3, the backrest 2 of hinging in the rear side of cushion 3, the leg support 4 of front side, the headrest 1 of hinging in the upper part of backrest 2, the rear part of cushion 3 is provided with the backrest drive motor 5 of driving backrest 2 rotation, the front part is provided with the leg support drive motor 11 of driving leg support 4 rotation, the upper part of the front of base is provided with the cushion drive motor 12 of driving cushion 3 rotation, the upper part of backrest 2 is provided with the headrest drive motor 6 of driving headrest 1 rotation, the outside of armrest 14 is provided with control panel, the control panel is provided with the control button of controlling the rotation of all motors.
[0023] As the further optimization of the above technical scheme, the backrest drive motor 5, the leg support drive motor 11, the cushion drive motor 12 and the headrest drive motor 6 respectively realize the angle adjustment of the cushion 3, the backrest 2, the leg support 4 and the headrest 1 through gear transmission mechanism or worm gear mechanism or angle adjuster.
[0024] As the further optimization of the above technical scheme, the optimal adjustment angle E of the headrest 1 relative to the backrest 2 is 156±7 degrees, the optimal adjustment angle D of the backrest 2 relative to the cushion 3 is 126±7 degrees, the optimal adjustment angle C of the cushion 3 relative to the horizontal plane is 24±7 degrees, and the optimal adjustment angle B of the leg support 4 relative to the cushion 3 is 135±7 degrees.
[0025] As the further optimization of the above technical scheme, the control button includes a headrest angle adjustment button 7, a backrest angle adjustment button 8, a cushion inclination angle adjustment button 9 and a leg support angle adjustment button 10.
[0026] As the further optimization of the above technical scheme, the control panel is provided with a linkage control button, and the linkage control button can simultaneously control the cushion drive motor 12, the backrest drive motor, the headrest drive motor 6 and the leg support drive motor 11 to adjust the cushion 3, the backrest 2, the headrest 1 and the leg support 4 to the optimal adjustment angle through the controller.
[0027] As a further optimization of the above technical solutions, the lower side of the leg rest 4 is hingedly connected with a foot rest 13, and the foot rest 13 is driven to rotate by a foot rest driving motor.
[0028] As a further optimization of the above technical solutions, the optimal adjustment angle A of the foot rest 13 relative to the leg rest 4 is -117±7 degrees.
[0029] As a further optimization of the above technical solutions, the control buttons include a foot rest angle adjustment button.
[0030] As a further optimization of the above technical solutions, a linkage control button is arranged on the control panel, and the linkage control button can simultaneously control the backrest driving motor 5, the leg rest driving motor 11, the seat cushion driving motor 12, the headrest driving motor 6, and the foot rest driving motor to adjust the seat cushion 3, the backrest 2, the headrest 1, the leg rest 4, and the foot rest 13 to the optimal adjustment angle.
[0031] For example, when the occupant needs to adjust the seat to a zero-gravity posture for rest, the headrest angle adjustment button 7 is pushed forward, the headrest driving motor 6 arranged in the upper frame of the backrest is connected to the power supply and receives a signal at the same time, and the headrest 1 is driven to rotate forward to adjust to the most forward position, forming an angle of 156 degrees with the backrest; the leg rest angle adjustment button 10 is pushed forward, the leg rest adjustment driving motor 11 arranged in the front frame of the seat cushion is connected to the power supply and receives a signal at the same time, and the leg rest 4 is driven to rotate forward to adjust to the most forward position, forming an angle of 135 degrees with the seat cushion; the backrest angle adjustment button 8 is pushed backward, the backrest driving motor 5 arranged in the lower frame of the backrest is connected to the power supply and receives a signal at the same time, and the backrest 2 is driven to rotate backward to adjust to the most backward position, forming an angle of 126 degrees with the seat cushion; the seat cushion inclination angle adjustment button 9 is pushed upward, the inclination adjustment seat cushion driving motor 12 arranged in the rear frame of the seat cushion is connected to the power supply and receives a signal at the same time, and the whole chair is driven to rotate backward to adjust to the most backward position, forming an angle of 24 degrees with the horizontal plane; at this time, the seat is adjusted to a zero-gravity posture from a normal sitting posture. Figure 1 The posture is adjusted to Figure 2 The posture is adjusted to a zero-gravity posture from a normal sitting posture; the seat adjustment function is realized by the button switch, the driving motor, and the headrest, backrest, seat cushion, leg rest, and foot rest frame, and the reverse operation can realize the adjustment from the zero-gravity posture to the normal sitting posture.
[0032] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make simple replacements or modifications to the technical solutions or technical features recorded in the foregoing embodiments by similar technologies, and these simple replacements or modifications do not make the essence of the corresponding technical solutions deviate from the spirit and substance of the technical solutions of the embodiments of the present application, and still fall within the protection scope of the present application.
Claims
1. A zero-gravity seat for a commercial vehicle, comprising a seat cushion supported on a seat base and armrests on either side of the seat cushion, a backrest hingedly connected to a rear side of the seat cushion, a leg rest hingedly connected to a front side of the seat cushion, and a headrest hingedly connected to an upper portion of the backrest, characterized in that: The back of the seat cushion is provided with a backrest driving motor for driving the backrest to rotate, the front is provided with a leg support driving motor for driving the leg support to rotate, the upper front of the base is provided with a seat cushion driving motor for driving the seat cushion to rotate, the upper part of the backrest is provided with a headrest driving motor for driving the headrest to rotate, the outer side of the armrest is provided with a control panel, and the control panel is provided with control buttons for controlling the rotation of all the motors.
2. A zero-gravity seat for a commercial vehicle as defined in claim 1, characterized in that: The backrest driving motor, the leg support driving motor, the seat cushion driving motor and the headrest driving motor respectively realize the angle adjustment of the seat cushion, the backrest, the leg support and the headrest through a gear transmission mechanism or a worm gear mechanism or an angle adjuster.
3. A zero-gravity seat for a commercial vehicle as defined in claim 1, characterized in that: The optimal adjustment angle of the headrest relative to the backrest is 156±7 degrees, the optimal adjustment angle of the backrest relative to the seat cushion is 126±7 degrees, the optimal adjustment angle of the seat cushion relative to the horizontal plane is 24±7 degrees, and the optimal adjustment angle of the leg support relative to the seat cushion is 135±7 degrees.
4. A zero-gravity seat for a commercial vehicle as defined in claim 3, characterized in that: The control buttons include a headrest angle adjustment button, a backrest angle adjustment button, a seat cushion inclination angle adjustment button and a leg support angle adjustment button.
5. A zero-gravity seat for a commercial vehicle as defined in claim 4, characterized in that: The control panel is provided with a linkage control button, and the linkage control button can simultaneously control the seat cushion driving motor, the backrest driving motor, the headrest driving motor and the leg support driving motor to adjust the seat cushion, the backrest, the headrest and the leg support to the optimal adjustment angle through a controller.
6. A zero-gravity seat for a commercial vehicle as defined in claim 1, characterized in that: The lower side of the leg support is hingedly connected with a foot support, and the foot support is driven to rotate by a foot support driving motor.
7. A zero-gravity seat for a commercial vehicle as defined in claim 6, characterized in that: The optimal adjustment angle of the foot support relative to the leg support is 117±7 degrees.
8. A zero-gravity seat for a commercial vehicle as defined in claim 6, characterized in that: The control buttons include a foot support angle adjustment button.
9. A zero-gravity seat for a commercial vehicle as defined in claim 8, characterized in that: The control panel is provided with a linkage control button, and the linkage control button can simultaneously control the backrest driving motor, the leg support driving motor, the seat cushion driving motor, the headrest driving motor and the foot support driving motor to adjust the seat cushion, the backrest, the headrest, the leg support and the foot support to the optimal adjustment angle through a controller.