2027 results about "Sitting Positions" patented technology

Provided is a seating device including an armrest, a seat, a backrest, an ottoman, and a mechanical extension device including a seat frame attached to the seat, a backrest assembly including a backrest bracket; a leg extension device. The mechanical extension device is configured to move the seating device from a first position to a second position. The backrest assembly includes a backrest bracket, a first backrest link, and a second backrest link, the backrest bracket is configured to attach the backrest, the first backrest link is pivotally connected to a front end of the backrest bracket at a first pivot point, the first backrest link is pivotally connected to the seat frame at a second pivot point, and the first pivot point has a trajectory that moves towards the leg extension device in the process of moving the seating device from the sitting position to the reclining position.

A sofa chair includes a base, a chair frame assembly, a backrest assembly and a leg telescoping assembly. The chair frame assembly includes a chair frame bracket and a chair frame disposed on the chair frame bracket. The chair frame assembly is movably connected to the base by a connection rod structure. The sofa chair is configured to, in response to changing the state of the connection rod structure, switch between the sitting posture, the TV posture, and the fully lying posture. When the sofa chair is in the fully lying posture, the first included angle between the chair frame and the horizontal plane is greater than 26 degrees and less than 30 degrees, and the first height between the lowest point of the chair frame and the ground is 60 mm to 100 mm.

The present disclosure relates to a mechanical stretching device for a movable seat unit, including: a seat assembly, including a base assembly, a lateral plate, and a central driven member; a backrest assembly, pivotally connected to a rear part of the lateral plate; a leg stretching device, pivotally connected to a front part of the lateral plate, including a first footrest member; the mechanical stretching device allows the seat unit to be switched between a sitting position and a lying position; the first footrest member is folded below a seat when in the sitting position; and the backrest is relined backward, a highest point of the footrest is higher than a highest point of the backrest, and the first footrest member is stretched forward and upward, when in the lying position. The present disclosure further relates to a movable seat unit.

Provided is an adjusting device for a seat unit, configured to switch the seat unit between a sitting position, a stretching position, and a lying position. The adjusting device includes a backrest connecting assembly, an intermediate transmission assembly, and a footrest connecting assembly that are connected in sequence. The backrest connecting assembly at least includes a backrest connecting block. The intermediate transmission assembly at least includes a seat frame and an adjusting mechanism configured to adjust the seat frame. The adjusting mechanism includes a first connecting member, the first connecting member is configured with a first hinge hole, a second hinge hole, and a third hinge hole in sequence, a distance between the first hinge hole and the third hinge hole is A1, a distance between the second hinge hole and the third hinge hole is A2, and a ratio of A2 to A1 is not greater than 0.5.

The invention provides a seat comfort optimization calculation method based on a sensor and AI modeling, and the method comprises the steps: collecting the pressure distribution data of the sitting posture of a passenger and a spine contact area in real time through an attitude sensor and a pressure sensor which are disposed on a seat; a seat supporting area is divided into a cervical vertebra area, a thoracic vertebra area, a lumbar vertebra area and a sacrococcygeal area, and a pressure distribution prediction model of each area is established; constructing an input vector based on the average pressure, the maximum pressure, the pressure gravity center, the body type parameter and the pathological weight factor, and outputting a target support pressure value, a pressure avoiding curve and a neighbor cell migration proportion of each partition by using an artificial intelligence model; dynamic adjustment is achieved through the partitioned air bag and the driving unit, and secondary fine adjustment and protection are achieved in combination with feedback monitoring. The system comprises a posture sensing module, a pressure sensing module, a data processing module, a model building module, a regulation and control execution module and a feedback monitoring module, and self-adaptive regulation and control of different areas of the spine of a passenger can be achieved.

In a sofa seat stretching device, one end of a second support facing away from a first support, and a second leg rest plate connector are hinged at a fourth hinge point, so that the stretching assembly's stretching speed is reduced in a process of switching from a sitting position state to a lying position state when a driving assembly acts in the same way, and the weightlessness feeling can be effectively avoided. Moreover, the driving assembly drives the stretching assembly so that the process of switching the stretching assembly from the lying position state to the sitting position state is smoother.

The invention relates to an intelligent seat regulation and control method and system based on sitting posture recognition, and belongs to the technical field of seat regulation and control. Comprising the steps that according to the initial state of human body and seat regulation and control, position positioning of a human body is obtained, front-back adjustment is conducted according to obtained seat adjustment parameters, and backrest following is conducted according to backrest inclination angle data and backrest body pressure; acquiring human body pressure data and backrest inclination angle data through a data acquisition module; according to the human body pressure data and the backrest inclination angle data, a user posture is obtained through an established sitting posture recognition model, and seat adjusting parameters are generated according to the user sitting posture. Front and back adjustment of the seat is achieved by obtaining the sitting position information of the human body, adaptation of the height of the seat is completed according to the adjustment distance of the front and back positions, fitting following of the seat and the human body is completed through the set backrest inclination angle and the pressure threshold value, recognition data are collected for human body sitting posture recognition, and seat fine adjustment parameters are obtained; the validity of the collected data is guaranteed, and the accuracy of sitting posture recognition is improved.

A system and method to identify, convey, and reduce the risk of hip dislocations following hip replacement surgery. Preoperative images are used to identify the pelvic tilt of a patient while the patient is in a sitting position, a standing position, and a supine position. Based on the pelvic tilt and pelvic mobility depicted in the preoperative images, the system can identify a quantitative and / or qualitative risk of hip dislocation when the patient is seated, standing, and lying. During surgery, an intraoperative image can confirm the acetabular cup orientation once implanted and the system can determine the risk of hip dislocation when patient is in the supine position. The system can also extrapolate the dislocation risk when the patient is seated and standing based on acetabular cup position and orientation depicted in the intraoperative image.

A medical rehabilitation chair includes a main frame, multiple castor devices mounted on the bottom of the main frame, and two armrest boards mounted on two sides of the main frame. A telescopic damping driver, a seat frame assembly, a backrest frame assembly, a leg support assembly, a lifting mechanism, and a foot support assembly are assembled on the main frame. The seat frame assembly has a front section connecting the leg support assembly and a rear section connecting the backrest frame assembly. The telescopic damping driver drives the backrest frame assembly, the seat frame assembly, and the leg support assembly, to produce different swinging angles. The lifting mechanism drives the seat frame assembly to lift or lower. The foot support assembly is movable in a horizontal direction to protrude from the front section of the main frame.

An adjustable multi-use chair is provided with two adjustable chair backs and armrests, and the height of a first chair back is adjustable; an angle between a second chair back and a seat surface of a seat is adjustable, such that the second chair back can function as a chair back or a desk; and angles between inner sides of the two armrests and the seat surface of the seat can be separately adjusted to a plurality of angles from an acute angle to a reflex angle, and users can adjust the armrests according to their preferences to sit forward, lie on the side, sit laterally or backward on the chair and can change their sitting position without being limited by the armrests; and the whole chair is easy to adjust and can be adjusted in multiple ways to satisfy different adjustment requirements of users.

A bed is provided having a base frame, a patient support assembly connected to the base frame, and a tilt frame connected between the base frame and the patient support assembly. The tilt frame is rotatable adjacent the foot end of the bed to place the patient support assembly, including the head section, seat section and foot section thereof, in a generally vertical position to allow a patient to exit the bed in a standing orientation. The bed also has a foot board assembly connected to the foot section, the foot board assembly having a foot board separately moveable about a longitudinal axis of the bed toward the head end and the foot end of the bed.

The invention discloses a seat frame and a seat, the seat frame comprises a base assembly, a leg supporting assembly and an adjusting assembly, and the base assembly comprises a fixed base and a movable base; the leg supporting assembly comprises a linkage part and a leg telescopic mechanism; the adjusting assembly comprises an adjusting part rotationally connected to the linkage part, and the adjusting part is provided with a sliding structure and a locking structure. When the sitting frame is switched between a sitting posture and a TV posture, the adjusting part and the movable base are in sliding connection through the sliding structure, the leg telescopic mechanism and the linkage part can synchronously rotate, and on the premise that the position of the movable base is not changed, the leg telescopic mechanism can independently conduct telescopic movement conveniently; when the sitting frame is switched between the lying posture and the TV posture, the locking structure limits rotation of the linkage component, so that rotation of the leg telescopic mechanism is limited, and on the premise that the leg telescopic mechanism keeps stretching, the angle of the movable base is conveniently and independently adjusted.

A medical rehabilitation chair includes a main frame, multiple castor devices mounted on the bottom of the main frame, and two armrest boards mounted on two sides of the main frame. A telescopic damping driver, a seat frame assembly, a backrest frame assembly, a leg support assembly, a lifting mechanism, and a foot support assembly are assembled on the main frame. The seat frame assembly has a front section connecting the leg support assembly and a rear section connecting the backrest frame assembly. The telescopic damping driver drives the backrest frame assembly, the seat frame assembly, and the leg support assembly, to produce different swinging angles. The lifting mechanism drives the seat frame assembly to lift or lower. The foot support assembly is movable in a horizontal direction to protrude from the front section of the main frame.

A system and method to identify, convey, and reduce the risk of hip dislocations following hip replacement surgery. Preoperative images are used to identify the pelvic tilt of a patient while the patient is in a sitting position, a standing position, and a supine position. Based on the pelvic tilt and pelvic mobility depicted in the preoperative images, the system can identify a quantitative and / or qualitative risk of hip dislocation when the patient is seated, standing, and lying. During surgery, an intraoperative image can confirm the acetabular cup orientation once implanted and the system can determine the risk of hip dislocation when patient is in the supine position. The system can also extrapolate the dislocation risk when the patient is seated and standing based on acetabular cup position and orientation depicted in the intraoperative image.

The invention relates to the technical field of furniture, in particular to a three-posture frame structure and a sofa structure.The frame comprises a seat frame, a first telescopic unit, a second telescopic unit, a third telescopic unit and a fourth telescopic unit, the leg placing plate is fixed at the end part of the first telescopic unit; one end of the driving mechanism is rotationally connected to the bottom side of the seat frame, and the other end is rotationally connected with the first telescopic unit; the backrest frame is rotationally connected to the seat frame and located on the side away from the leg placing plate; the second telescopic unit is rotationally connected with the backrest frame and used for driving the angle of the backrest frame to change; wherein the second telescopic unit is rotationally connected with the first telescopic unit, the driving mechanism is in a sitting posture when retracting to an initial state, and when the driving mechanism extends, the first telescopic unit extends out of the seat frame to form a TV posture, and then the first telescopic unit drives the second telescopic unit to change the angle of the backrest frame to form a lying posture. Through the arrangement, the stability of the sofa is improved, and meanwhile, the comfort of three-posture adjustment is also improved.

The invention relates to an intelligent adjusting system and method for the posture of an automobile seat, and belongs to the technical field of intelligent cabins. The method comprises the steps that S1, when a driver prepares to get on a vehicle, a camera which is installed on a left rearview mirror and has the three-dimensional depth perception capability is used for capturing body feature image data of the driver; s2, processing the obtained body feature image data by using a human skeleton tracking and identifying module, and extracting individual feature parameters of the driver, including three-dimensional node data of the head, the neck, the shoulders, the elbows, the wrists, the spine, the hip, the knees and the ankles; and S3, on the basis of the extracted three-dimensional node data, the optimal adjustment amount of each motor is calculated through a seat posture adjustment mathematical model, the optimal adjustment amount comprises the front-back displacement, the up-down height, the headrest height, the backrest inclination angle and the seat cushion inclination angle of the seat, and it is ensured that the driver can obtain the optimal sitting posture. Accurate and personalized adjustment of the posture of the automobile seat is achieved.

A bed is provided having a base frame, a patient support assembly connected to the base frame, and a tilt frame connected between the base frame and the patient support assembly. The tilt frame is rotatable adjacent the foot end of the bed to place the patient support assembly, including the head section, seat section and foot section thereof, in a generally vertical position to allow a patient to exit the bed in a standing orientation. The bed also has a foot board assembly connected to the foot section, the foot board assembly having a foot board separately moveable about a longitudinal axis of the bed toward the head end and the foot end of the bed.

The invention discloses an intelligent office table self-adaptive control method and system based on artificial intelligence. The method comprises the following steps: S1, multi-modal data acquisition; s2, data preprocessing; s3, feature extraction; s4, data fusion and state identification; and S5, executing an intervention strategy. Three types of data including visual information, physiological signals and pressure distribution are fused to perform multi-dimensional state sensing of multi-modal data fusion, sitting posture key points are extracted based on a convolutional neural network (CNN), real-time recognition of bad sitting postures is realized, time sequence characteristics of pressure distribution are analyzed through a long-short-term memory network (LSTM), behavior modes such as sedentariness and heeling are recognized, and the sitting posture recognition accuracy is improved. According to the method, the association between operation habits and fatigue is mined, HRV frequency domain features are extracted by using Fourier transform, and the fatigue state is comprehensively evaluated in combination with multiple indexes, so that three-dimensional description of different states of different users is realized, and whether the users are fatigued or not is judged to provide more refined health management.

The utility model relates to the technical field of sitting posture correction, and discloses a child sitting posture training device which comprises a correction assembly, the correction assembly comprises a first cushion block and a second cushion block, the first cushion block is provided with a first top face and a first bottom face which are oppositely arranged, and the second cushion block is provided with a second top face. The second cushion block is provided with a second top surface, a second bottom surface and a plurality of side surfaces, the second top surface and the second bottom surface are oppositely arranged, the side surfaces are arranged between the second top surface and the second bottom surface, at least two adjacent side surfaces are arranged at a preset included angle, the second bottom surface is detachably connected with the first bottom surface, and the size of the second bottom surface is smaller than that of the first bottom surface; when the first cushion block is located at the supporting position, a child patient can sit on the second top face and step on the first bottom face, the two legs of the child patient can abut against the two side faces arranged at the preset included angle respectively, when the first cushion block is located at the table top position, the two legs of the child patient can abut against the two side faces arranged at the preset included angle respectively in the sitting posture state, and the first top face is used for containing objects. Adjustability and use flexibility are good, operation is convenient, and the training effect is good.

The utility model discloses a seat installation structure convenient to form a bed and an automobile, the seat installation structure comprises a seat body and a traction mechanism arranged behind the seat body, the seat body comprises a seat supporting assembly and a backrest assembly, the backrest assembly comprises a front backrest and a rear backrest, and the upper ends of the front backrest and the rear backrest are rotatably connected. The lower end of the front backrest is rotatably installed at the rear end of the seat supporting assembly, the lower end of the rear backrest is connected with the traction mechanism, a support is rotatably installed at the lower end of the rear backrest, and the traction mechanism is used for assembling the support into the automobile in a front-back moving mode; the seat body has a sitting posture mode and a lying mode, and in the sitting posture mode, the front backrest and the rear backrest are arranged in an overlapped mode; the traction mechanism can move in the front-back direction of the seat, the traction mechanism moves backwards, and the front backrest and the rear backrest can be controlled to be spread backwards, so that the seat body is switched from the sitting posture mode to the lying mode. The chair has the beneficial effect that the chair can be quickly and conveniently transformed into a bed.

The invention relates to the technical field of automobile seats, and discloses an automobile seat with self-adaptive massage equipment, the automobile seat comprises a seat body and a massage module arranged on the seat body, the massage module comprises a lower substrate, an upper substrate, an air pump, a plurality of massage air bag groups and two groups of symmetrically arranged self-adaptive actuators; according to the scheme, through the integrated self-adaptive actuator and the linkage balance mechanism, the sitting posture change of a passenger can be sensed and responded in real time, the position of the massage air bag set and the form of the surface coating can be dynamically adjusted, and therefore the problems that massage points are misplaced and locally suspended are effectively solved, and the passenger can feel more comfortable no matter what sitting posture the passenger is located. According to the system, the massage module can be intelligently and tightly attached to the physiological curved surface of the human body, uniform and in-place supporting and massage are provided, the massage precision and comfort degree are greatly improved, riding fatigue caused by uneven pressure distribution is effectively relieved, and the requirement of the market for high-end and intelligent driving experience is met.

An outdoor power equipment having sitting configuration and standing configuration is presented herein. The outdoor power equipment can be transformed from the sitting configuration to the standing configuration and vice versa, allowing an operator to use the outdoor power equipment in either a sitting position or standing position. The sitting position can place the operator at least in part forward of a drive axis of the outdoor power equipment, whereas the standing position can place the operator at least in part coincident with or behind the drive axis. The outdoor power equipment can be electric powered in some aspects, with modular and replaceable battery packs.

The invention relates to a cushion mechanism, a seat and a vehicle, the cushion mechanism comprises a first bag body, an inflation and deflation module and a control module, the control module is connected with the inflation and deflation module and is used for controlling the inflation and deflation module to adjust the first bag body, so that the first bag body supports the hip of a seated person, and the hip of the seated person is supported by the inflation and deflation module; the position of the buttocks relative to the cushion mechanism is limited in a plurality of directions. According to the scheme, by arranging the first bag body, flexible supporting can be provided in multiple directions of the buttocks, and elastic supporting counter force is generated, so that multi-direction limiting of the buttocks is achieved, and the relative position of the buttocks on the seat is stabilized. The stability is favorable for reducing the change of a supporting area caused by hip displacement, reducing the probability of sitting discomfort in the dynamic driving process and reducing the situation that the attention of a driver is distracted due to frequent sitting posture adjustment, thereby being favorable for improving the driving safety.

A seat unit and a seat. The seat unit comprises: a pair of mechanical extension apparatuses (100) arranged as mirror images of the other, said apparatuses moving in unison; the mechanical extension apparatuses (100) each comprise a seat assembly (2), a leg assembly (1), and a backrest assembly (3); the seat assembly (2) comprises a seat mount (21) and a seat frame (22) which can slide relative to each other in the front and rear directions of the seat assembly; the leg assembly (1) is pivotally connected to the seat mount (21); the backrest assembly (3) is configured to be simultaneously pivotally connected to the seat mount (21) and the seat frame (22), and when the seat mount (21) slides relative to the seat frame (22), the pivot point between the backrest assembly (3) and the seat mount (21) is able to move along with the seat mount (21); and a first damping member (4), said first damping member (4) preventing the seat mount (21) from sliding towards the front of the seat assembly (2) relative to the seat frame (22) when the seat unit is switched from a sitting orientation to a lying down orientation; and when the seat unit is switched from the lying down orientation to the sitting orientation, the first damping member (4) drives the seat mount (21) to slide towards the rear of the seat assembly (2) relative to the seat frame (22).

An aircraft passenger seat assembly including spaced frame members and a pivotally attached seat bottom and seat back positioned between the spaced frame members. The seat bottom and the seat back are coupled to the frame members by upper and lower links positioned on opposite lateral sides of the seat back. During normal use of the seat, the upper and lower links rotate in a synchronous manner to articulate the seat between an upright sitting position and a reclined sitting position. During a dynamic event affecting the passenger seat, the lower links are fixed and the upper links are constrained to rotate over center of the seat back pivot axis to rotate the seat back forward past the upright sitting position.

A self-standing rollator is provided for assisting a user in walking and in moving from a seated position to a standing position. A frame is carried by a plurality of rollers. A support brace is positioned along the frame to contact a leg portion of the user to brace the frame against movement in relation to the user. At least one handle positioned along the frame to allow a user to grasp the handle when the support brace is contacting the leg portion of the user. At least one floor support member extends from a lower portion of the frame beneath the user when the support brace is contacting the leg portion of the user. Thus, when the support brace is contacting the leg portion of the user, the floor support member braces the frame against rotation as the user moves from a seated position to a standing position.

The invention discloses a zero-wall-leaning sofa frame and a sofa, and relates to the technical field of sofas, and the zero-wall-leaning sofa frame comprises a bottom frame, a seat frame, a backrest assembly, a leg support assembly, a driving assembly and a linkage assembly. The leg support assembly is driven to be unfolded through a telescopic cylinder and a rotating rod of the driving assembly, cooperative action of the backrest assembly and the leg support assembly is achieved through the linkage assembly, and therefore adjustment from a sitting posture to a TV posture and then to a lying posture is completed, the bottom frame adopts the design that a supporting plate and a connecting beam are combined, the linkage assembly comprises a plurality of connecting rods matched with sliding blocks, and stable transition is ensured. In addition, an elastic piece and a limiting piece are additionally arranged to improve stability and comfort. The effects of being compact in structure and convenient to operate are achieved, meanwhile, space is effectively saved, and user experience is improved.