1246 results about "Sitting Positions" patented technology

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 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 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 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.

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.

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.

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.

The invention discloses a seat pre-adjustment control method based on embedded CNN waist-hip trajectory dynamic tracking, and the method can achieve the precise prediction of the motion intentions of people with different heights through the construction of a height proportion change curve, effectively eliminates the motion recognition error caused by the height and body type difference of different individuals, and improves the accuracy of the motion recognition. The method enhances the refinement of seat control, and reflects the change of the action stage of the target person by setting the track slope, thereby recognizing the transition of the target person from sitting down to stable sitting posture and from sitting posture to getting up in different action stages, predicting the next trend of the action in advance, effectively improving the prediction accuracy of the action intention, and improving the user experience. The seat system can make a response when the action starts, and the situation that the comfort is affected due to delayed adjustment is avoided.

A lifting device for assisting a user in standing includes: a chassis; a support structure extending upwardly from the chassis; the lifting mechanism is arranged on the supporting structure; a lifting unit for coupling to the lifting mechanism and receiving the weight of a user; wherein the lifting unit is movable in three axes and is movable from a first position to a second position; wherein the lifting mechanism is used for moving the lifting unit, and the lifting unit is used for assisting the user to move from the sitting position to the standing position under the condition that the lifting unit moves from the first position to the second position.

The invention relates to bath assisting equipment which comprises a bathtub and a seat. On one hand, on the basis of lateral opening of the bath door, the bath entrance threshold is lowered, water does not need to be discharged, water can be discharged in advance to shorten the time needed by bath assistance, the bath efficiency is improved, and especially in winter, the effect is very obvious; on the other hand, based on one side of the bathtub, the position of the seat is adjusted through three-dimensional movement of the seat part, the requirement for convenient sitting and hip bath is met, time and labor are saved, the accidental injury risk is reduced, meanwhile, the seat part can be rotationally adjusted in the Z-axis direction, angle locking is formed through the radial clamping force locking set, and the sitting posture of the seat part is set or adjusted; the use requirements of different patients are met, the bath assisting workload is greatly reduced, meanwhile, based on overturning follow-up of the shielding part, shielding protection during hip bath is met, horizontal supporting of the outer suspension end is formed during in and out of the bath, and in and out of the bath is safely assisted.

The present application relates to a mechanical stretching device (1) for a movable seat unit, the mechanical stretching device being capable of switching between a sitting position, a TV position and a lying position. The mechanical stretching device comprises: a fixed plate (12); a seat frame (10) capable of moving back and forth relative to the fixed plate (12); a backrest assembly (2) connected to the rear of the seat frame (10); and a leg stretching device (3) connected to the front of the seat frame (10), wherein when being in the lying position, the leg stretching device (3) stretches forwards and upwards, and the highest point of the leg stretching device (3) is at least 300 mm higher than the highest point of a backrest support (21).

A sofa for a passenger transport vehicle such as an aircraft, including a seat section, a backrest and a structure supporting them, the sofa being convertible into at least two positions each having a total usable surface area by the passenger: a sitting position where the backrest is upright with respect to the seat section, and a reclining position where the backrest is folded down in the same plane with respect to the seat section. The seat having a sufficient length to allow a passenger in the sitting position to fully extend their legs. In the sitting position, the backrest is partially stored beneath the seat section in a space of the structure, such that the total usable surface area in the sitting position is less than the total usable surface area in the reclining position.

The utility model relates to an armrest module used for an armrest floor type seat unit, the seat unit comprises a linkage mechanism, the seat unit can be switched between a sitting position and an extending position by means of the linkage mechanism, the armrest module comprises an armrest piece, a first connecting piece, a second connecting piece and a third connecting piece, the armrest piece is fixedly supported on the ground, and the position of the armrest piece is fixed; and the handrail base plate is directly and fixedly connected with the handrail piece. According to the seat unit, the armrest base plate extends in the front-back direction of the seat unit, the side, facing the linkage mechanism, of the armrest base plate is directly connected with the linkage mechanism in a pivoted mode, and at least one reinforcing piece protruding outwards is arranged on the side, facing the armrest piece, of the armrest base plate. The stiffener extends across the entire armrest member in the transverse direction of the seat unit. In addition, the utility model further relates to a seat unit with a floor type armrest.

An ergonomic support cushion designed to alleviate discomfort from prolonged sitting. The cushion features a contoured shape that supports the spine's natural curvature and includes a central cut-out to relieve tailbone pressure, ideal for individuals with coccyx pain or those recovering from related surgery or injury. It is constructed from high-density memory foam with a density range of 52% to 56%, which adapts to the user's body shape, providing customized support that enhances comfort and reduces pressure points. The cushion also includes a non-slip base to ensure it stays securely in position on various seating surfaces. Its lightweight, portable nature allows it to be used in different environments, such as office chairs, car seats, wheelchairs, and home seating. This innovation provides a comprehensive solution for those needing improved comfort and support during extended periods of sitting, promoting better posture and reducing strain on the lower back.

The invention discloses sitting posture rehabilitation training equipment which comprises a base. The two first supporting rods are fixedly connected with the two sides of the base respectively and are oppositely arranged; the first sliding rod is in sliding connection with the first supporting rod; the first locking piece is connected with the first sliding rod in a sliding mode, and the first locking piece moves in the axial direction of the first sliding rod; the first adjusting rod is connected with the first locking piece in a sliding mode, and a first clamping piece is arranged at the end of the first adjusting rod; the second supporting rod is fixedly connected with the middle part of the base; the second sliding rod is in sliding connection with the second supporting rod; the second locking piece is connected with the second sliding rod in a sliding mode and moves in the axial direction of the second sliding rod; the second adjusting rod is in sliding connection with the second locking piece, the end of the second adjusting rod is fixedly connected with a second clamping piece, when the human body is in the sitting posture state, acting force is applied to the bent spine from the two sides of the spine and in the three directions right facing the spine, and the correction effect is better.

The disclosure concerns a double bench seat for transport craft passengers having a sitting configuration and a lying configuration, and including a substantially vertical shell surrounding two independent twin seats. The two twin seats are oriented along the longitudinal axis of the aircraft, the two twin seats each assume, independently of one another, at least one chair-like position and one bed-like position, the two twin seats include a backrest and a seat, in the bed-like position, the two twin seats are extended by an extension. When the double bench seat is in the lying configuration, the two twin seats are in the bed-like position and arranged to be at the same height and to form a continuous horizontal surface with a width and length adapted to form a double bed that can accommodate two lying persons.

The invention discloses an application method and system of a myoelectricity intelligent early warning watch for fatigue driving, and the method comprises the steps: monitoring the posture of a user through an inertia measurement module, starting a working mode when the user is in a sitting posture state, and obtaining the rotation angle of the wrist of the user; the signal acquisition module acquires an electromyographic signal by using a patch electrode; the camera module obtains the arm length of the user through calculation; the signal processing module filters the electromyographic signals; and the main control module performs feature extraction on the electromyographic signals and calculates the motion angular velocity of the elbow joint of the user. According to the method, the user state is accurately judged based on the time sequence convolutional network and the angular velocity of the elbow joint movement of the user; when the user is tired, the watch gives an early warning to remind the user, and dangerous events are avoided.

This invention discloses a zero-gravity seat collapse mechanism, including a base and a seat frame located on the upper side of the base. The rear end of the seat frame is rotatably connected to the base, and the front end of the seat frame is rotatably connected to an upper linkage component. The front end of the base is rotatably connected to a lower linkage component. The upper and lower linkage components are hinged to each other by a pin. The key feature is that a collapse plate is fixedly attached to one side of the upper linkage component. The collapse plate has a lower connecting hole, an upper collapse channel, and a weakening portion formed between the connecting hole and the collapse channel. The upper linkage component has a strip-shaped clearance hole, and both the connecting hole and the collapse channel are exposed within the strip-shaped clearance hole. The beneficial effect of this invention is that when a car collision occurs, the seat can instantly return from zero-gravity mode to a normal sitting posture, improving seat safety.