1525 results about "Sitting Positions" patented technology

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.

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.

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 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 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.

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.

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.

A cushion tipping module is configured to be assembled between a seat cushion and a track assembly of a vehicle seat assembly. The cushion tipping module is configured to tip the seat cushion between an upright seating position and a rearward inclined position. The cushion tipping module includes opposing lift links fixedly coupled to distal ends of a transverse tube and configured to be operatively coupled to the seal cushion, an attachment link fixedly coupled to the transverse tube and pivotably coupled to a threaded nut, an electric motor operatively coupled to a lead screw meshingly engaged with the threaded nut, and motor mounting bracket configured to be assembled with the track assembly.

The utility model relates to the technical field of sofa manufacturing, in particular to a multi-unit assembly type seat framework structure which is characterized in that armrest frames are vertically arranged on two sides of a cushion frame and fixedly connected with the cushion frame, and telescopic frames of supporting leg assemblies are arranged on the armrest frames and driven by a power device to drive a leg leaning plate to move. The chair back frame is connected with the armrest frame through a movable frame, the movable frame is connected with the telescopic frame through a first transmission rod, and the power device synchronously drives the movable frame to swing when driving the telescopic frame. The sofa frame is formed by assembling a plurality of support units, the armrest frame, the cushion frame, the chair back frame and the supporting leg assembly can be independently packaged and are convenient to transport, the sofa frame structure is modularly arranged, if a certain support unit is damaged, only the support unit needs to be replaced, and the whole sofa frame does not need to be replaced, so that the maintenance cost is reduced; the supporting angle of the chair back frame and the leg leaning plate of the sofa frame can be adjusted under the driving of the power device, so that a user can experience a lying posture besides a sitting posture, and the practicability and comfort of the sofa frame are improved.

The invention discloses a seat, a vehicle and a seat state control method, and belongs to the technical field of vehicles. The seat comprises a backrest, a seat basin and a pneumatic module, the pneumatic module comprises an air bag, the air bag is located at least one of a first position and a second position, the first position is the joint of the backrest and the seat basin, and the second position is the side, away from the seat basin, of the backrest; the airbag is configured to provide a lying posture support structure in an inflated state. The seat can effectively improve the lying posture comfort of the human body on the premise of not influencing the sitting posture comfort of the human body. Moreover, based on the inflation and deflation characteristics of the air bag, the air bag can be easily stored on the seat in the contraction state and can be inflated during application, storage and use are convenient, and the space in the automobile is saved.

A water floating device is provided, which is provided with a floating element and a leaning element, they are detachably connected by a fastener. The fastener includes a fixed seat and an insertion end, the water floating device can be stored without releasing air after use. A height of the leaning element can also be adjusted by the fastener to achieve an effect of adjusting an appropriate height of the seating space for people of different body types. The present application provides multiple solutions for fastening the fastener, which can be connected by a rope body or fastened by a buckle. The axis of the fixed seat and the insertion end are locked; thus, they are both kept in a non-movable and in a rotatable state, which has advantages of quick installation / disassembly, good fastening effect, convenient adjustment, easy storage, and storage without releasing air.

A personal mobility system with multiple adjustments is presented. The personal mobility system may comprise one or more elastic stabilizer mechanisms. The adjustments may comprise a telescoping adjustment system for multiple handles, to adjust height and position of handles. The personal mobility system presents handles at a variety of positions, and of different types, to assist a user in moving from sitting to standing to walking, and to and from other positions, and presents a seat. The personal mobility system with elastic stabilizer mechanisms stabilizes the system against tipping over, improving user safety by reducing the occurrence of tips and falls. The elastic stabilizer mechanisms may be engaged by all handles and grip surfaces, or by a subset thereof, of the personal mobility system when a user begins to tip. The personal mobility system presents improvements in folding, convenience, and useability.

The automatically retractable movable seat frame includes at least one stretching device, including a linkage mechanism, including a driving elastic member, a rotating rack, and a linkage rack, the driving elastic member being assembled between the rotating rack and the linkage rack; a leg mechanism, hinged to a front end of the linkage rack, a drag link being hinged between the rotating rack and the leg mechanism; a seat mechanism, hinged to a rear end of the leg mechanism; and a rotating mechanism, connected to the rotating rack, configured to drive the rotating rack to rotate, so that the stretching device is switched between a sitting position and a relaxing position, in which the driving elastic member stretches and retracts with the rotation of the rotating rack, and the rotating rack is driven to rotate, so that the leg mechanism is folded.

The invention discloses a safety belt grading type pre-tightening and force limiting method and system based on passenger signs, and the method comprises the steps: obtaining a passenger image, and measuring the weight information of a passenger, so as to calculate the gender, age, upper trunk height, sitting posture angle and weight of the passenger; the height of the safety belt is adjusted according to the upper trunk height and the sitting posture angle; pre-tightening force and a force limiting table are preset according to the gender, the age and the weight of the passenger, different safety belt pre-tightening and safety belt force limiting are matched for the gender, the age and the weight of different passengers, and safety belt pre-tightening is divided into safety belt first-level pre-tightening and safety belt second-level pre-tightening according to the emergency degree. According to the main technical scheme and the main effects, passengers are classified through sign recognition, so that the pre-tightening force and the force limiting value of the safety belt can be dynamically adjusted according to the body weight, the age and other characteristics, and the adaptability of the safety belt system to the passengers with different body types is remarkably improved.

To make a chair in which a backrest is connected to a pair of armrests and a load support member for the chair robust by suppressing a seating state from becoming unstable.SOLUTION: The load support member 9 includes a seat receiving portion 30 having a lower surface supported by the support structural body from below and an upper surface side 30u supporting the seat supporting the hip of the seated person from below, a pair of left and right horizontal rod portions 35 extending outward from the seat receiving portion 30 in the left-right direction, a pair of left and right upright rod portions 40 extending upward from the pair of horizontal rod portions in a space outside the seat in the left-right direction, and an upper connection rod portion 45 having a pair of left and right armrest portions 46 and a backrest portion 47 extending between the pair of armrest portions 46 and connecting the pair of upright rod portions 40 to each other. The seat receiving portion 30, the pair of horizontal rod portions 35, the pair of upright rod portions 40, and the upper coupling rod portion 45 are integrally formed.SELECTED DRAWING: Figure 5

The invention provides a sitting posture detection system based on pressure partitions, and the system comprises a seat which comprises a seat surface and a seat back, the seat surface is divided into a plurality of partitions, each partition is internally provided with a first pressure sensor used for detecting the pressure of the seat surface in the corresponding partition, and the seat back is provided with a second pressure sensor used for detecting the pressure of the seat back; the sitting posture distinguishing module is used for distinguishing whether the user is in an upright sitting posture or a backrest sitting posture according to the chair back pressure; the control module is used for analyzing whether the sitting posture of the user inclines leftwards and rightwards or forwards or not according to the pressure of the chair surface by adopting a first strategy in the upright sitting posture; in the backrest sitting posture, analyzing whether the sitting posture of the user is inclined left and right or not by adopting a second strategy on the chair surface pressure and the chair back pressure; the alarm is used for giving an alarm when judging that the sitting posture inclines leftwards and rightwards and / or inclines forwards. According to the application, the seat pressure in different subareas is analyzed, and whether a user on the seat tilts left and right or forwards can be judged.

A seat (1) for a vehicle, the seat (1) comprising a frame (2) intended to be rigidly attached to a vehicle chassis, a first panel referred to as the seat panel (7) and a second referred to as the backrest panel (8), where the seat panel (7) and the backrest panel (8) are hinged together such that the seat (1) can take at least the following two positions: A sitting position; A sleeping position, the seat (1) further comprising at least a third panel referred to as the extension panel (18), hinged on one side relative to the backrest panel (8), such that: in the sitting position, the extension panel (18) is substantially folded back against the backrest panel (8); in the sleeping position, the extension panel (18) and backrest panel (8) are substantially in line with each other in the longitudinal direction.

The invention discloses a special vehicle driving task performance and sitting posture comfort coupling-oriented test evaluation system and method, and the system comprises a data collection module which is used for obtaining multi-modal driving data; the index calculation module is used for extracting and quantifying characteristic indexes from the multi-modal driving data to obtain a driving task performance evaluation index set and a driving sitting posture comfort evaluation index set; the comprehensive evaluation and time domain modeling module constructs a driving task performance-sitting posture comfort coupling-oriented comprehensive quantitative model based on the driving task performance quantitative model and the driving sitting posture comfort quantitative model; and finally, comprehensively scoring the state of the driver by using the comprehensive quantitative model, and establishing a nonlinear mapping relationship between the driver state comprehensive score and the task time to obtain a dynamic change trend of the driver state comprehensive score.

The utility model provides an armrest which is used for solving the technical problem that some existing seat armrests cannot rotate along with a backrest and cannot meet the use requirements of a user. The armrest comprises a first rod part, the periphery of the first rod part is sleeved with a second rod part in a sliding adjusting mode, one end of the second rod part is rotationally provided with a third rod part, the tail end of the first rod part is provided with a first installation hole in a penetrating mode, and the first rod part is connected with the side face of a seat plate of a seat through the first installation hole. A second mounting hole is formed in the tail end of the third rod part in a penetrating mode, the third rod part is connected with the side face of the seat backrest through the second mounting hole, when the seat backrest and the seat plate rotate, the second rod part and the third rod part rotate, and the requirements of different sitting postures of a user can be met.