922results about "Adjustable chairs" patented technology

The present application provides an adjustable sofa which includes a U-shaped sofa bottom frame and a sofa armrest fixed at one side of the bottom frame. A rear upper of the U-shaped sofa bottom frame is fixed with a rear frame, an inner upper of the sofa armrest is provided with a seat cushion, a support pad is provided between an inner lower of the sofa armrest and an upper of the U-shape sofa bottom frame, an extension pad is provided between the seat cushion and the support pad for expanding a width of the sofa, a length adjustment component for extending and contracting the extension pad is fixed on an opposite surface of the extension pad and the U-shaped sofa bottom frame. The length adjustment component can extend the extension pad to extend a space area of the sofa seat cushion area.

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 base frame assembly and a chair are disclosed. The base frame assembly includes a frame body, a lifting connecting structure, a translation connecting structure, a backrest connecting structure and a control handle. The lifting connecting structure is used for driving the frame body to lift up or down. The translation connecting structure is used for driving the frame body to move back and forth and / or move left and right. The backrest connecting structure is used for driving a backrest to rotate relative to the frame body. The control handle is movable and / or rotatable in at least three different directions, to respectively drive the lifting connecting structure, the translation connecting structure and the backrest connecting structure through different motion trajectories.

A work environment adjustment system includes multiple instances of controllable office equipment located within an office space, each instance associated with a specific office location and including an activator for controlling states of the instance, at least one presence sensor for detecting user presence within each space associated with each instance, and a master controller linked to each office equipment activator to control activation of each activator to control a current state of each instance. The master controller is programmed to perform the steps of receiving sensor signals from the at least a first presence sensor, determining user presence at each space associated with each instance, controlling states at each of the instances independent of user input when the space associated with the instance is vacant, and enabling user control of the state of each instance associated with a space that is occupied by a user.

An electrically operated multi-functional chair comprises a rotatable chair base, a seat, a backrest, and a leg rest. The rotatable chair base is connected to the underside of the seat; the rotatable chair base allows the seat to rotate. The seat has a drive device installed thereunder; the seat and the leg rest are connected through a linkage bar set, wherein the drive device can drive the linkage bar set to fold out the leg rest from below the seat. The backrest is disposed in one side of the seat; the backrest is pivoted to a sliding plate; the sliding plate is connected to the drive device. The drive device is controlled by a controller; the leg rest is pushed by the linkage bar set, which is driven by the drive device, and folded out from below the seat. At the same time, the drive device synchronously drives the sliding plate to move, making the backrest to recline synchronously and to create an effect of reclining / lying.

A telescopic folding chair includes an upper mounting seat, a lower mounting seat and a cushion. The upper mounting seat is hinged with a plurality of support legs, and the lower mounting seat is hinged with a plurality of telescopic arm tube sets. The cushion is mounted on the telescopic arm tube sets. The lower mounting seat is provided with a plurality of inclined guide holes through which the support legs run. The upper mounting seat is rotatably provided with a rotary limiting mechanism, and the lower mounting seat is provided with an avoidance hole. A bottom of the rotary limiting mechanism is provided with a limiting head, and a bottom wall of the lower mounting seat is provided with a limiting portion corresponding to a periphery of the avoidance hole. The rotary limiting mechanism rotates to control the limiting head to be movably limited by the limiting portion.

An assembly type bar stool base (1), comprising: a connecting member (2) and at least three leg components (3). The connecting member (2) includes a vertical joint (21), and at least three transverse joints (22) equal in number to the leg components (3), and one end of each of the leg components (3) is detachably connected to a corresponding transverse joint (22) of the connecting member. Also disclosed is a bar stool comprising the base (1).

A rotatable bath chair is disclosed, including a tripod assembly, a seat assembly and a rotating mechanism. The seat assembly is located above the tripod assembly. The rotating mechanism is arranged between the tripod assembly and the seat assembly, and includes a rotating base, a rotating shaft, an upper limit member and a first plane support assembly. The upper limit member is connected to an upper end of the rotating shaft, and is arranged on the seat assembly. The rotating base is arranged on the tripod assembly, and the rotating shaft passes through the rotating base in a vertical direction. The first plane support assembly is arranged between the upper limit member and the rotating base, and includes a first upper ring, a first rolling member and a first lower ring which are arranged vertically.

The chair of the present invention includes a seat, a backrest, and a support structure supporting the seat and the backrest. The backrest includes an arm portion and a back support portion. The support structure includes a first shaft portion, a second shaft portion, a third shaft portion, a fourth shaft portion, a support base, an arm support portion, and a support link.

An adjustable stool seat may include a seat, a pedestal leg assembly, and a lift cylinder. The seat includes a bushing member. The pedestal leg assembly includes a plurality of legs and a center column. Each plurality of legs extends towards a support surface and is coupled to the center column. The lift cylinder includes a rod and a cylinder assembly. The rod is fixedly slidable into the cylinder assembly to a cylinder depth. The cylinder depth is selectable from a plurality of cylinder depths. The cylinder assembly is fixedly insertable into the center column to a column depth. The column depth is selectable from a plurality of column depths. The rod includes a rod end and the rod end is coupled to the bushing member.

The utility model discloses a comfortable chair suitable for multiple usage postures. An overturnable desk board is arranged on a chair backrest, and a desk board adjustment mechanism can fix the angle of the desk board and support the desk board. The chair is provided with overturnable chair armrests, and armrest angle adjustment mechanisms can adjust the angle of the armrests, so as to provide users with various usage postures, realizing high flexibility and practicality. Embedded armrests are also arranged on the chair armrests and can be equipped with matching small desk boards. With embedded armrest adjustment mechanisms, the embedded armrests can be adjusted in both height and forward / backward position, so as to cater to users of different body types and heights.

A folding rocking chair frame and a folding rocking chair are provided. The folding rocking chair frame includes: an upper support assembly, including an upper cover, an upper base, and a plurality of upper connecting rods, one end of each of the plurality of upper connecting rods being connected to the upper cover and rotatable relative to the upper cover, the upper cover being swingable back and forth relative to the upper base between a horizontal position and a lower swing position; a lower support assembly, including a lower base and a plurality of lower connecting rods, one end of each of the plurality of lower connecting rods being connected to the lower base and rotatable relative to the lower base, the upper base being connected to the lower base; a locking device configured to connect the upper cover to the upper base in a locked state.

A chair having a one-piece molded shell including a seat and a backrest that can recline relative to the seat. One or more flexible elements are mounted to the seat such that the flexible elements restrict the inward flexing of the seat as the backrest reclines. The flexible elements are positioned to allow the initial flexing of the side edges of the seat as the backrest reclines relative to the seat. A stop member is positioned relative to the flexible elements such that the stop member limits the amount of movement of the flexible elements. The flexible elements are located between the seat and the base. The flexible elements exert a bias force on the side edges of the seat to urge the backrest to return to an initial position when a reclining force is not longer exerted on the backrest.

Treadmills and treadmill accessories for allowing physically impaired individuals to exercise and engage in therapeutic rehabilitating activities without the need for assistance from other individuals include a seat integrated into the treadmill or accessory to allow the physically impaired individual to exercise on a treadmill from a seated position or to step onto a running deck of a treadmill from a seated position.

The present disclosure relates to and discloses a swivel sofa chair convenient to transport, and relates to the technical field of furniture equipment. The swivel sofa chair includes: two armrest supporting portions, a backrest portion, a front baffle portion, a connecting frame, a base, and a seat cushion. The backrest portion is spliced with rear ends of the two armrest supporting portions, the front baffle portion is spliced with front ends of the two armrest supporting portions, and therefore an accommodating cavity with openings in a top and a bottom is formed. In the present disclosure, the two armrest supporting portions, the backrest portion, the front baffle portion, the connecting frame, the base, and the seat cushion can be respectively packaged, thereby greatly reducing packaging volumes needed during transportation, facilitating the transportation of the sofa chair, and reducing transportation costs of the sofa chair.

The invention discloses an intelligent seat adjusting method, device and equipment based on voiceprint recognition and a medium, and the method comprises the steps: obtaining human body sound source information collected by a sound wave analyzer, judging whether the human body sound source information meets voiceprint collection conditions or not, and if yes, sending a voiceprint collection instruction to obtain voiceprint information, performing adjustment necessity analysis on the voiceprint information to obtain voiceprint analysis information, and performing combined analysis on the voiceprint analysis information and the human body sound source information through an analysis rule to obtain seat dynamic adjustment strategy information; and generating a human body-seat coordination degree adjustment instruction according to the seat dynamic adjustment strategy information, and sending the human body-seat coordination degree adjustment instruction to the driving optimization assembly to adjust the height of the seat. According to the intelligent seat adjusting method, accurate recognition of the identity and the mental state of the user can be achieved by deeply mining the voiceprint features, intelligent adjustment of the seat in combination with the voiceprint analysis information and the mental state is achieved, the accuracy and the intelligent degree of seat adjustment are improved, and the use feeling of the user is improved.

The invention relates to the technical field of magnetic therapy, and discloses a magnetic therapy chair with a multi-point dense magnetic field, an electromagnetic physical therapy device is fixed on a base, the electromagnetic physical therapy device supports a seat surface, and the seat surface is jointed with the base, so that the electromagnetic physical therapy device is clamped in a space formed by the seat surface and the base; the electromagnetic physiotherapy device comprises a shell and an electromagnetic device arranged in the shell, the electromagnetic device comprises a framework, a coil wound outside the framework and a magnetic needle penetrating through a hollow assembly hole of the framework, the shell further comprises a boss located at the top of the shell and a bearing plate located on the periphery of the boss and extending outwards, and a receding hole for exposing a needle head of the magnetic needle is formed in the middle of the boss; convex ribs extending downwards are arranged on the periphery of the seat face, a cavity for containing the boss is formed in the middle of the bottom face of the seat face, the convex ribs are supported by the supporting plate, the middle of the bottom face of the seat face is supported by the boss, and therefore the seat face is integrally supported, the shape of the convex ribs is arranged to adapt to the shape of the bottom face of the base and the flat supporting plate, and the base is firm, attractive and long in service life. And popularization and application of the magnetic therapy chair are facilitated.

A mechanical extension device of a swinging seat is provided, which includes a base, a first swinging rod, a second swinging rod, an actuator and two mechanical extension units, where the base is connected to the first swinging rod and the second swinging rod in a rotating way; the actuator is arranged between the two mechanical extension units; a locking device is arranged on a second connecting rod connected to the second swinging rod in the mechanical extension unit in a rotating mode, a guide groove and a locking groove formed in the guide groove are formed in the base, the guide groove is opened towards one side, the locking device can enter the guide groove from the opened position of the guide groove, and when the locking device swings and moves the mechanical extension unit, the locking device can enter the locking groove and swing relative to the base.

The seat comprises at least two functional components, and the control switch comprises a switch seat, a switch base, a switch base, a switch base, a switch base, a switch base, a switch base, a switch base, a switch base and a switch base. And the at least two control rotating shafts are coaxially arranged and are arranged on the switch base, and each control rotating shaft is in transmission connection with one functional component. According to the control switch of the seat, integration of a plurality of switches is achieved, when the control switch is installed on the seat, the occupied installation space / position is small, and operation and use are convenient.

The present disclosure belongs to the technical field of furniture, and particularly relates to a detachable and multi-structured fence chair. The present disclosure provides a detachable and multi-structured fence chair, which structurally includes a flip-over backrest frame body for mounting of connecting members via connecting slots formed in a back side of the flip-over backrest frame body, and two armrest frame bodies respectively connected to two sides of the flip-over backrest frame body via the connecting members. The detachable and multi-structured fence chair has the outstanding advantage that the method for forming the connecting slots in the back side of the flip-over backrest frame body allows for the implementation of connection methods that are previously inconvenient for installation, such as threaded joint or nail engagement, on the detachable fence chair, despite having relatively high connection strength, thus ultimately ensuring that the detachable and multi-structured fence chair has prolonged service life.

A table and chair with a reading lamp is used for solving the problems that some tables and chairs mentioned in the background technology do not have a lighting function, a table lamp is additionally placed, and sometimes, the table lamp is pushed down from a desk carelessly and damaged; the technical problem that the requirements of children of different ages and heights cannot be met due to the fact that a fixed design is adopted but flexibility and personalized adjustment functions are lacked is solved. Comprising a reading table, a seat, a first adjusting mechanism and a second adjusting mechanism.

A frame assembly for a chair assembly includes a base assembly, a joint assembly, and a seat assembly. The base assembly includes a first leg and a base mount. The base mount includes a mounting aperture and a first base coupler. The first base coupler is coupled to the first leg and facilitates rotation of the first leg. The joint assembly includes a joint mount, a mounting arm, and a first deflection plate. The joint mount includes a mounting post inserted within the mounting aperture. The mounting arm includes a support arm coupled to the joint mount and a suspension arm coupled to the support arm. The first deflection plate is coupled to the suspension arm and extends over the joint mount.

The utility model discloses a lifting folding chair which is characterized by comprising a bottom frame, a backrest assembly, a seat cushion assembly and supporting legs, the backrest assembly comprises a lifting frame matched on the bottom frame in a lifting mode, a backrest arranged on the lifting frame and armrest assemblies rotationally connected to the left side and the right side of the lifting frame; a push rod motor for driving the lifting frame to move up and down is arranged between the underframe and the lifting frame, and rollers are arranged at the bottom of the underframe; the seat cushion assembly is rotationally connected to the bottom position of the lifting frame; the supporting legs comprise connecting plates arranged at the bottom of the bottom frame and supporting rods fixed to the connecting plates, and the supporting rods can be detached relative to the connecting plates. The utility model has the characteristics of convenient to use and transfer.

The invention relates to a ratchet wheel lifting structure capable of rapidly adjusting the height and a lifting workbench. The device comprises an outer sleeve which is vertically arranged and an inner sleeve which is telescopically arranged in the outer sleeve, a special-shaped sliding groove which is distributed in the length direction of the outer sleeve is formed in the wall of the outer sleeve, a straight side wall is formed on the left side of the special-shaped sliding groove, a plurality of ratchet grooves which are distributed in the length direction of the special-shaped sliding groove are formed in the right side of the special-shaped sliding groove, and the ratchet grooves are communicated with the straight side wall. A first reversing guide inclined face is arranged at the top of the special-shaped sliding groove, and a second reversing guide inclined face is arranged at the bottom of the special-shaped sliding groove. The inner sleeve is provided with a shaft body perpendicular to the length direction of the inner sleeve, the shaft body is located between the straight side wall and the ratchet groove, the shaft body is rotationally provided with an overturning piece, the overturning piece is further provided with a clamping pin deviating from the rotating center of the overturning piece, and pulling force or repulsive force is formed between the overturning piece and the inner sleeve. According to the scheme, the lifting operation of the lifting workbench is very convenient, fast and efficient.

The invention discloses a power line built-in wiring structure and a lifting stand column, and the structure comprises a cable which comprises at least one spiral segment. The at least one cable storage assembly is provided with at least one cable storage bin used for storing cables, the spiral section is stored in the cable storage bin and telescopically moves along the cable storage bin, and self-adaptive arrangement of the cables in the dynamic telescopic process is achieved. According to the invention, sectional layout and modular storage of cables can be realized, the problem of stress concentration caused by rigid guidance in a traditional scheme is solved, the mechanical damage risk of exposed cables can be eliminated through full built-in wiring, the appearance integrity of equipment is maintained, a greater degree of freedom is provided for the design of a lifting table / chair, and the design of the lifting table / chair is facilitated. And meanwhile, the cable is allowed to be quickly replaced through the modular design.

A swivel chair base, includes a fixed assembly, a sleeve assembly and a support assembly, the fixed assembly having a fixed frame and a spindle, with the spindle fixed below the fixed frame. The sleeve assembly includes an upper sleeve and a lower sleeve, with the upper sleeve inserted into the lower sleeve and forming a circumferential fixation. The support assembly includes at least two upper support feet, at least two lower support feet and support bracket, with the upper support foot and the lower support foot respectively detachably connected to the support bracket by fasteners, wherein, the spindle is detachably connected to the upper sleeve. An outer wall of the upper sleeve has two symmetrically arranged upper support feet, and the outer wall of the lower sleeve has two symmetrically arranged lower support feet.

This utility model relates to a multifunctional deformable chair, which achieves portability and spatial adaptability through the cooperation of the frame cylinder and support column and the design of a foldable seat. The adjustment mechanism adopts an asymmetrical support leg layout and a ring linkage structure, allowing the seat to flexibly adjust its height and tilt angle through the hinged movement of the movable rod, while ensuring stability in different usage states. The overall structure balances deformability and support strength, meeting the needs of multiple usage scenarios.