1777results about "Back rests" patented technology

The utility model belongs to the technical field of air valves, and discloses an automobile, a massage seat and a seat air valve control device, comprising a massage air valve cavity, a massage air valve arranged in the massage air valve cavity, a waist support air valve arranged in a waist support air valve cavity, and air entering a main air inlet and passing through the massage air valve cavity and the waist support air valve cavity. The air enters an air bag connected with the waist support air bag connector and the massage air bag connector to form a waist support inflation air channel and a massage inflation air channel; gas in the gas bag is released through the massage gas valve cavity and the waist support gas valve cavity to form a waist support gas release gas path and a massage gas release gas path; the massage air valve and the waist support air valve control air to pass through the waist support inflation air path, the massage inflation air path, the waist support deflation air path and the massage deflation air path, and double services of waist massage and back massage are provided for a seat user. The massage air valve and the waist support air valve are used for replacing an electromagnetic air valve, so that the size is smaller, the energy consumption is lower, the resistance is smaller, the weight is lighter, the silence is better, the radiation is lower, and the cost is lower.

The invention relates to a seat self-adaptive adjusting system and method based on multi-modal biological data, and the system comprises a multi-modal data collection module, a data processing and fusion module, a control decision module, and an execution mechanism. Physiological and posture information of a user is collected through a heart rate sensor, a myoelectricity sensor, a skin temperature sensor, a pressure distribution sensor, a three-dimensional posture sensor and other multi-mode sensors, a fatigue index and a posture deviation amount are calculated through feature extraction, normalization and weighted fusion, and the fatigue index and the posture deviation amount are compared with preset threshold values. The control decision module generates adjusting instructions of the backrest angle, the waist support height, the cushion inclination angle and the temperature control power based on fuzzy control and a prediction algorithm, and self-adaptive adjustment of the seat is completed through an execution mechanism. The method can achieve the precise recognition and active intervention of the fatigue and posture change of the user, is suitable for various scenes such as driving, working and rehabilitation, can remarkably improve the comfort, delays the muscle fatigue, and improves the posture health.

The invention relates to an automobile seat adjusting method and device, a vehicle and a storage medium, and the method comprises the steps that multi-dimensional biomechanical data including body pressure distribution data of a driver and passengers and deep muscle group activity spectrum information are obtained; the method comprises the following steps: collecting motion state data and pavement environment data of an automobile, generating an automobile passenger environment coupling data set according to the motion state data and the pavement environment data of the automobile, and establishing a driving environment dynamic parameter library of the automobile according to the automobile passenger environment coupling data set; and based on the multi-dimensional biomechanical data and parameters in the driving environment dynamic parameter library, using a preset digital twin support model to determine control parameters of the automobile, generating an adjusting instruction of the automobile seat according to the control parameters, and adjusting the automobile seat according to the at least one seat adjusting action. Therefore, the problems that in the prior art, the intelligent degree and the individuation degree of seat adjustment are low, and continuous and comfortable sitting and riding experience is difficult to provide for a driver and passengers are solved.

An assembly includes a plurality of fluid bladders including at least a first fluid bladder and a second fluid bladder, and a fluid manifold in fluid communication with the plurality of bladders. The fluid manifold includes at least a first passage and a second passage. A first port fluidly connects the first fluid bladder to the first passage, a second port fluidly connects the second fluid bladder to the first passage, and a third port fluidly connects the second fluid bladder to the second passage. A first check valve is positioned in the second passage and is moveable between a first position, where fluid enters the third port and inflates the second fluid bladder, and a second position where fluid is directed through the third port to a vent.

A vehicle seat includes a fixed frame installed in a vehicle body, a rotating link connected to the fixed frame through a rotation shaft and rotating relative to the rotation shaft, a seat cushion frame having one side of a rear end portion hinge-connected to the rotating link at a first connection point to rotate the rotating link when rotating, and a seat back frame having one side of a lower end portion hinge-connected to the fixed frame at a second connection point and the other side of the lower end portion hinge-connected to the other side of the rear end portion of the seat cushion frame at a third connection point to rotate relative to the fixed frame when the seat cushion frame is rotated.

An assembly is provided with a first layer connected to a second layer to form a bladder, with the first layer defining a first aperture therethrough, and one of the first or second layers defining a second aperture therethough. The third layer is connected to the first layer and positioned between the first and second layers within the bladder. The third layer is movable between a first position covering the first aperture, and a second position spaced apart from the first aperture. A seat assembly is also provided.

A user support includes a hood structure that is supported by a back frame structure of the user support. The hood structure may comprise a one-piece homogeneous polymer structure that is formed by an additive process. The hood structure may include solid structures and at least one porous lattice matrix that is integrally formed with the solid structures.

Provided is a conveyance seat provided with that includes a cover member configured to protect an anchor member to which an object-to-be-connected is connected, and has high attachment rigidity of the cover member. A conveyance seat S includes a cover member 50 configured to protect an anchor member 40 that extends from a seat main body to a seat forward side for connection with a child safety seat. The cover member 50 includes an outer cover 60 that is attached to the seat main body and covers the anchor member 40, and an inner cover 70 that is attached in a state of being accommodated inside the outer cover 60, and includes an anchor engagement portion 78 that engages with the anchor member 40. When the cover member 50 engages with the anchor member 40, an extension portion of the anchor member 40 which extends from the seat main body to a seat forward side is sandwiched between the outer cover 60 and the inner cover 70 in a seat width direction.

A fold-and-dive apparatus according to an embodiment includes: a pair of bases installed on a vehicle and disposed to be spaced apart to the left and right; a pair of left and right cushion side frames connected to the pair of bases so that each position thereof is changeable; a back frame rotatably connected to the pair of cushion side frames via a recliner assembly at the rear of the pair of cushion side frames; a link assembly connecting the base and the cushion side frames at the rear of the pair of cushion side frames; a first driver connected to the link assembly to provide rotational force; and a locking assembly interposed between the back frame and the first driver, to restrict the operation of the first driver.

The utility model discloses an automobile seat waist support which comprises a backrest, a base body and a supporting plate located on the front side of the base body are installed in the backrest, a push arm is arranged between the base body and the supporting plate, and the push arm is arranged between the base body and the supporting plate in the vertical direction. The upper end of the pushing arm is rotationally connected with the base body, the lower end of the pushing arm abuts against the rear side of the supporting plate, and a second driving mechanism is installed on the base body and used for driving the pushing arm to rotate around the rotating center of the pushing arm; the lower end of the push arm can push the supporting plate to move forwards relative to the base body. The backrest has the advantages that the front-back adjusting function of the waist support can be achieved by controlling the rotating angle of the push arm, the push arm is longitudinally arranged, the inner space of the backrest cannot be excessively occupied, and the compactness of the overall structure of the backrest is guaranteed.

The invention provides a seat adjusting method and device, a seat and a vehicle, the adjusting method comprises the steps that multiple first pressure values detected by multiple headrest pressure detection units are obtained, and the multiple first pressure values comprise at least one first target pressure value larger than a first threshold value; determining the waist height of the user according to the position information of the headrest pressure detection unit corresponding to the first target pressure value; and adjusting the height of a waist support of the seat according to the waist height. The precision and accuracy of waist support adjustment can be improved, and the riding comfort of the seat is improved.

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 back pad assembly for a material handling vehicle is provided that includes a back pad, a framework, and a mounting frame. The back pad includes a center portion, a first side portion, and a second side portion. The first side portion defines a first curved profile, and the second side portion defines a second curved profile. The first curved profile and the second curved profile are arranged on laterally-opposing sides of the center portion. The framework includes a first mounting bar and a second mounting bar. The framework is coupled to the back pad. The first and second mounting bars are adjustably supported by the mounting frame to enable the back pad to be selectively mounted at varying heights along the mounting frame.

A seat cushion includes a mesh member embedded into a foam member. The mesh member comprises a set of filaments of polymeric material which are looped and bonded to each other. The mesh increases rigidity, cut resistance, tear resistance, and abrasion resistance of the foam member, eliminating the need for scrim and border wire in some applications.

An arrangement for manipulating the flow of a fluid into a fluid actuator, preferably of a seat, has a base body having an opening designed to introduce the fluid into the base body, and at least one further opening provided for forwarding or discharging the fluid introduced into the base body. Means for producing and / or interrupting a fluid-conducting connection between the openings are provided. The means comprise such additional means that can be charged with a pressure of the fluid to be conducted and are designed such that, in a first pressure range of the fluid, the fluid entering the base body from the fluid actuator is discharged via one of the openings from the base body to the surroundings and, in a second pressure range of the fluid that is higher than the first pressure range, the fluid introduced into the base body is introduced into the fluid actuator.

A seat assembly and method of assembly. The seat assembly comprises a frame, a cushion, and a fastening arrangement. The cushion is disposed on the frame and comprises a mesh member comprising a set of filaments of polymeric material. The fastening arrangement extends through the aperture in the frame and secures the cushion to the frame.

A support system for a seat includes a suspension coupled to the frame of a seatback. A plurality of pneumatic cells are coupled to the suspension. Each pneumatic cell is expandable and independently controllable to expand between a first position and a second position. A flexible reaction surface covers a forward surface of the plurality of air cells and the reaction plate maintains a smooth transition surface when each of the plurality of pneumatic cells is expanded to the first and second positions.

A seat of a vehicle having: a base structure, which is rigid and is configured to be fixed to a floorboard of the vehicle; and an upholstery, which is elastically deformable, covers the base structure and constitutes the outermost part of the seat that comes into contact with a body of a passenger of the seat. The upholstery has a replaceable component, which is fixed to the base structure a separable manner by means of a coupling system having a first fixing element integral to the base structure and a second fixing element, which is configured to be coupled to the first fixing element and is integral to the replaceable component. A fixing element has at least one cavity and a first magnet, which is arranged close to the cavity and the other fixing element has an appendage, which is shaped so as to be inserted into the cavity and has a second magnet, which is arranged close to the appendage and is configured to be magnetically attracted by the first magnet.

The present invention relates to a cushioning material. An object of the present invention is to provide a cushioning material that is difficult to deform and has high durability. The cushioning material (1) is characterized by including a first cushioning body (2) and a second cushioning body (3) disposed above the first cushioning body (2) and covering at least the upper surface of the first cushioning body (2). The first cushioning body (2) includes a three-dimensional network structure obtained by irregularly locally fusing continuous lines of a thermoplastic resin to form loops, and the second cushioning body (3) is composed of a longitudinal non-woven fabric in which fibers are oriented in the thickness direction.

The automobile seat front-back adjusting waist rest structure comprises a foundation bottom plate, a limiting rod is arranged on one side of the foundation bottom plate, a displacement mechanism is arranged at the center of the outer wall of the limiting rod, a control unit is arranged on one side of the displacement mechanism, a displacement plate is arranged on one side of the displacement mechanism, and a connecting through hole is formed in the outer wall of the displacement plate. The displacement plate is connected with the foundation bottom plate through the combination of the connecting through holes and the limiting rods, a fixed waist rest is arranged on one side of the displacement plate, a non-contact capacitive sensing array is arranged on the outer wall of the fixed waist rest, and the non-contact capacitive sensing array is arranged on the outer wall of the fixed waist rest through cooperative control of the four-dimensional limiting rods and the sliding rail displacement mechanism. Dynamic fitting of a waist supporting curved surface is achieved by combining a pressure distribution standard deviation algorithm, a spring steel plate composite displacement mechanism can be compatible with installation of seats of various vehicle types, meanwhile, the pressure difference of the upper waist, the middle waist and the lower waist is monitored in real time, millimeter-level displacement adjustment is triggered, and the driving comfort is remarkably improved while driving safety is guaranteed.

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 backrest for a passenger seat, in particular for a passenger seat in a bus, train and the like, includes a frame made of a metal material and an insert made of a plastic material. The insert is configured to improve the structural stiffness of the backrest.

The invention relates to a cushioning material. The purpose of the present invention is to provide a highly durable cushioning material that is unlikely to deform. A cushioning material (1) is provided with a first cushioning body (2) and a second cushioning body (3) that is arranged above the first cushioning body (2) and covers at least the upper surface of the first cushioning body (2), and is characterized in that the first cushioning body (2) comprises a three-dimensional network structure obtained by irregularly and locally welding continuous lines of a thermoplastic resin to form a loop, and the second cushioning body (3) is arranged above the first cushioning body (2) and covers at least the upper surface of the first cushioning body (2). The second buffer body (3) is configured from a longitudinal nonwoven fabric in which fibers are oriented in the thickness direction.

Provided is vehicle seat with a seat cushion and a seat back, the vehicle seat comprising: a pair of cushion side frames; a duct extending from the seat cushion along a rear side of a cushion frame toward the seat back and connecting an air passage and a blower, the air passage being formed in at least one of the seat cushion and the seat back; and a side frame cover configured to cover at least part of the cushion side frame. The side frame cover includes a duct cover portion configured to cover part of the duct at the rear side of the cushion frame.

The invention relates to the technical field of automobile seats, and discloses an automobile seat capable of being taken in a reverse direction, the automobile seat has a forward mode for a passenger to take in a forward direction and a reverse mode for the passenger to take in a reverse direction, the automobile seat comprises a base, a first gear, a second gear, a first rotating shaft, a second rotating shaft and a third rotating shaft, the base is provided with the first gear and the second gear, and the second gear is meshed with the first gear; a first connecting rod and a second connecting rod are arranged on the first gear and the second gear respectively; the seat cushion is provided with a seat cushion bracket; the backrest is movably arranged on the base, and when the automobile seat is in a forward mode, the backrest is located at the rear end of the cushion; when the automobile seat is switched from the forward mode to the reverse mode, the backrest is lifted upwards from the rear end of the cushion, passes through the upper portion of the cushion and is switched to the front end of the cushion; a backrest bracket is arranged on the backrest; and the locking structure can lock the backrest. The system has the advantages that the overall structure is simple, the cost is low, the needed space is small when the modes are switched, and it can be effectively guaranteed that forward and reverse riding comfort of passengers is high.

Vehicle seat (100), comprising: a seat base (102), a backrest (104) which is hinged to the seat base (102) in a tilt-adjustable manner, in particular by means of a fitting (106) which is pivotable about a backrest pivot axis (L) on the seat base (102), and a footrest device (140), in particular articulated to the backrest (104), comprising a footrest element (150) with a support surface (152) for supporting a foot (F) of a rear passenger arranged behind the vehicle seat (100), wherein the footrest element (150) is transferable between a stow position (S1) and at least one support position (S2) suitable for supporting the foot (F), characterized by the fact that the footrest device (140) for transferring the footrest element (150) between the stow position (S1) and the at least one support position (S2) has a rocker arm (160) which is pivotable about a first axis of rotation (D1) relative to the backrest (104), and the footrest element (150) is pivotably connected to the rocker arm (160) about a second axis of rotation (D2).

A space for installing a seat mechanism can be reduced as compared with a prior art when a seatback is supported by support members. A rear panel is provided upright to partition an inside and an outside of a vehicle cabin. A seat support body includes support columns that are fixtures and seat crosses that are support members. The support columns are fixed to a rear panel. The seat crosses are supported by the rear panel with a gap therebetween via the support columns. Each seatback is supported on a back face thereof by the seat crosses. A belt path through which a webbing extends from a retractor to a shoulder anchor is formed in the gap between the seat crosses and the rear panel.