496results about "Adjustable chairs" patented technology

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).

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.

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 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 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.

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.

The utility model discloses an adjustable waist back structure for a rotary chair, which comprises a backrest support and a chassis, the backrest support is mounted at the rear end of the chassis, a lifting support is movably arranged on the backrest support, a backrest main body is positioned and mounted on the inner side of the lifting support, a torsion regulator is integrally positioned at the bottom of the backrest main body, and the torsion regulator is connected with the lifting support. A waist bag structure is adjustably positioned at the front end of the torsion adjuster, an adjusting knob is arranged at the rear end of the torsion adjuster, a torsion adjusting frame is connected between the backrest body and the waist bag structure, and a torsion spring is arranged on the torsion adjusting frame. According to the adjustable waist-back structure for the rotary chair, the waist bag front top gravity adjusting structure and the backrest lifting adjusting structure are arranged, so that the front top gravity of the waist bag can be conveniently adjusted, the waist position can be better supported, the adjustable waist-back structure is suitable for more users with different weights, the height of the backrest can be conveniently adjusted, and the adjustable waist-back structure is convenient to use. And the device is suitable for more users with different heights.

A lifting mechanism (10) for a wheelchair, the lifting mechanism comprising: a first base body (11) and a second base body (12), which are nested together, one of the first base body (11) and the second base body (12) being provided with a plurality of first sliding grooves (121) arranged at intervals, the other one being provided with a plurality of first sliding members (111) arranged at intervals, and the first sliding members (111) being slidable along the first sliding grooves (121); and a first transmission mechanism (13) and a second transmission mechanism (14), wherein the first transmission mechanism (13) can drive the second transmission mechanism (14), so that the second transmission mechanism (14) drives the second base body (12) to slide relative to the first base body (11). Further provided is a wheelchair (100).

The utility model discloses a rotary supporting mechanism and a beauty chair, the rotary supporting mechanism is arranged between a base assembly and a seat assembly, the rotary supporting mechanism comprises a rotary ring and a fixed ring, and the rotary ring is rotatably connected to the fixed ring; the fixed ring is connected with the base assembly, the rotating ring is connected with the seat assembly, rotation of the seat assembly is achieved through the rotating supporting mechanism, stress is better and more stable, and rotation is smoother. The push-pull locking part can limit the rotating angle of the rotating ring, after the rotating ring rotates to the needed angle, the seat assembly is not prone to being rotated by external force, use is more convenient, and the experience feeling is better.

The present disclosure relates to a rotary locking device wherein the rotary locking device is configured to steplessly lock and unlock a rotational motion of a rotatable device such that the rotatable device can be manually rotated after unlocking, the rotary locking device comprises a stepless locking mechanism and an unlocking mechanism used for unlocking the stepless locking mechanism, a movable part of the stepless locking mechanism is configured to be used for being fixedly connected with a rotatable device, and the stepless locking mechanism and the unlocking mechanism are configured to be used for being fixedly connected with the rotatable device. According to the invention, the rotatable device can be manually rotated after the unlocking mechanism is activated and the stepless locking mechanism is unlocked, and the rotatable device can be locked at any rotation angle by means of the stepless locking mechanism after the unlocking mechanism is deactivated. The present disclosure also relates to a rotatable device assembly.

A rotating device and swivel chair with a damping structure are disclosed. The rotating device includes a rotating shaft component and a bushing component, with the bushing component disposed around the rotating shaft component. A damping element is sleeved on the rotating shaft component and located between the rotating shaft component and the bushing component, engaging with the bushing component. When the rotating shaft component drives the damping element to rotate relative to the bushing component, the damping element and the bushing component rub against each other. This invention, by incorporating a damping element located between the rotating shaft component and the bushing component, and engaging with the bushing component, increases friction during the rotation of the rotating shaft component. This prevents the rotating shaft component from rotating too quickly, thus preventing the chair cushion from rotating too quickly and affecting the user experience. Furthermore, it provides a damped feel during the rotation of the rotating shaft component, thereby improving the tactile feedback of the rotating device.

This back cushion provides a support that fits the user's lower back and spine, stands independently, reliably supports the user's weight, and maintains a comfortable seated posture. [Solution] A back cushion 1 is used by being placed on a seat surface 10, and comprises a cushion body 11 and a base portion 13 that supports the cushion body 11 from the back side 12, wherein the cushion body 11 has a lower cushion 15 that is inclined so as to be lower at the front and higher at the rear relative to the seat surface 10 and contacts the user's lower back, and an upper cushion 16 that is angle-adjustable and connected to the upper end of the lower cushion 15 and contacts the user's back.

A posture detection system that detects the posture of a user seated on a cushion that includes a seating portion having a buttock support portion and a lumbar support portion having a sacral support portion. The posture detection system includes a seating portion sensor attached to the seating portion and configured to measure whether or not the user is seated on the seating portion, a sacral support portion sensor attached to the sacral support portion and configured to measure the posture of the user seated on the seating portion, a posture determination unit configured to determine the posture of the user based on a result measured by the sacral support portion sensor, and an alarm unit configured to output an alarm if the posture determination unit determines that the posture of the user is unsatisfactory.

The utility model discloses a cantilever type rotating stool, and belongs to the technical field of stools, the cantilever type rotating stool comprises a supporting assembly and a bearing assembly, the supporting assembly comprises a supporting base and a supporting column installed on the top of the supporting base, and the bearing assembly comprises a rotating column and a cantilever bearing seat installed on the rotating column; the rotating column is rotationally installed on the supporting column in the vertical direction. The device has the effects that the position of the cantilever bearing seat can be adaptively adjusted according to different requirements of users, and the applicability is high.

The utility model discloses a waist support posture correcting seat, including seat body, the seat body upper end is provided with the waist backrest board, the seat body horizontal end is provided with the sitting board, the waist backrest board and sitting board surface interval setting respectively have the pipeline, the pipeline interval setting has the vent on, one end of pipeline is connected with the air pump, the other end of pipeline is sealed, the surface of waist backrest board and sitting board is covered with the breathable pad, and the pipeline sets up between the waist backrest board and sitting board and breathable pad. Because setting up pipeline on the surface of waist backrest board and sitting board respectively, can realize the cooling on the chair pad or / and chair back, greatly enhance the breathable effect of chair pad and chair back, strengthen the comfortable feeling of waist and hip when using seat body, can further accelerate the heat dissipation of chair back and chair pad after getting up or adjusting the sitting posture after long sitting, also help the flow of airflow when long sitting, and then take away the heat accumulated between waist and waist pad, hip and chair pad in time.

To reduce the cost and labor required for renovating a game island when changing game machines in the game island from pachinko machines to slot machines or from slot machines to pachinko machines. [Solution] The fixing bracket 1 that fixes the gaming machine chair 10 to the floor 33 of the gaming facility is composed of a base plate 2 fixed to the floor 33 and two connecting cylindrical parts 3a, 3b that stand on the base plate 2, and the gas cylinder 12 for raising and lowering the seat 20 is configured to be selectively fitted into either of the connecting cylindrical parts 3a, 3b so that it can be held vertically, and when fitted into one of the connecting cylindrical parts 3b, the gas cylinder 12 is held at a higher position than when fitted into the other connecting cylindrical part 3a.

The utility model discloses a swivel chair with a chassis moving trail capable of transversely moving, which comprises a chair seat, a chassis main body and a chair frame, the chair seat is arranged at the upper end of the chassis main body, the rear end of the chassis main body is connected with a backrest, a front support arm is connected between the chassis main body and the chair seat, a back support is connected between the chassis main body and the backrest, and the back support is connected with the chair frame. A second turning point is arranged between the chassis main body and the front support arm, a third turning point is arranged between the chassis main body and the back bracket, and a first turning point is arranged between the front support arm and the chair seat. The rotary chair with the chassis movement track capable of transversely moving is provided with a four-turning-point chassis translation structure and an elastic force adjusting structure, when the backrest leans backwards, the chair seat can transversely move front and back along with the backrest, the upwarp condition is avoided, it is ensured that feet cannot leave the ground during sitting, the comfort is more excellent, leans-backwards locking can be carried out, and the rotary chair is convenient to use. The device is convenient to adjust, simple and practical.

The utility model provides a bouncing mechanism of a bodybuilding device, a bodybuilding stool and a bodybuilding chair, relates to the technical field of bodybuilding equipment, and aims to solve the problem that a rotating stool cannot bounce in the prior art. The bouncing mechanism of the bodybuilding device comprises a lifting rod, an elastic piece, a first mounting cylinder, a second mounting cylinder and a limiting assembly, the lifting rod is fixed in the first mounting cylinder, the first mounting cylinder is connected in the second mounting cylinder and can move up and down relative to the second mounting cylinder, and the limiting assembly is adjustably connected to the outer side of the second mounting cylinder; the elastic piece is connected to the outer side of the first installation cylinder in a sleeving mode, the upper end of the elastic piece abuts against a limiting part on the outer side of the first installation cylinder, and the lower end of the elastic piece abuts against the limiting assembly. The bouncing mechanism of the fitness device can provide an up-and-down bouncing function for the stool surface, the use comfort of the fitness stool is improved, and the fitness device is suitable for long-time sitting exercise.

Embodiments relate to an apparatus comprising a seat, a base for supporting the seat, and a mounting bracket connecting the seat and the base wherein the mounting bracket comprises a first portion, a second portion, and a flexible joint connecting the first portion and the second portion; the first part is connected to the base through a first connecting member; the second portion is received by a seat comprising a receiving member, where the receiving member is connected to the seat using a second connecting member; wherein the second portion moves relative to the first portion between a collapsible position and a release position; wherein the mounting bracket is configured to be locked in a collapsible position securing the seat portion to the base; and wherein the mounting bracket is configured to be in a release position for assembly and disassembly of the seat part and the base.

A stackable chair for supporting a seat occupant on a ground surface includes a seat, a chair back, a first leg assembly and a second leg assembly each having a base leg, an upright leg and a junction which couples the base leg to the upright leg. A first wheel assembly is coupled to the first leg assembly at the junction and a second wheel assembly is coupled to the second leg assembly at the junction. The stackable chair includes an end cap coupled to the base leg. The first wheel assembly and the second wheel assembly include one or more wheels that at least partially support the chair on the ground surface.

To provide a tool for quickly, quietly, safely and easily removing a gas pressure lifting cylinder from a chair or table, which has been a difficult task since it requires repeated hammering and produces a loud noise when removing the cylinder. [Solution] In order to remove a gas-pressure lift cylinder from a chair or table, the jig of the present invention is equipped with a pressure receiving fixed plate, a push-out fixed plate, and a push-out tool.The cylinder, which has a connecting part fitted to it, is clamped and fixed between the pressure receiving fixed plate and the push-out fixed plate by the jig of the present invention, and the cylinder can be removed quietly, quickly, and easily by the pushing force of the rotating movement of the push-out tool.

The utility model relates to the technical field of seat adjustment, in particular to an adjustable seat adaptive to floor heating, which comprises a conversion plate, four corners of the conversion plate are provided with threaded holes, the surface of the conversion plate is provided with a plurality of first assembly holes, the top of the conversion plate is fixedly connected with a fixed seat, the top of the fixed seat is provided with a first groove, and the first groove is provided with a second groove. And an inner cavity of the fixed seat is fixedly connected with a first fixed rod. The adapter has the advantages of adapting to a floor heating system and adjusting the angle of a seat, in the actual use process, the adapter plate, the threaded hole and the first assembly hole are used in cooperation, a floor heating pipeline is detected through a thermal imager, and therefore the adapter plate is stably installed through the threaded hole and the first assembly hole; the threaded holes and the first assembling holes provide a convenient and reliable installation mode, it is ensured that the seat is not prone to loosening or shifting during adjustment, and fixed installation of the seat is completed.

This utility model discloses a chair lifting mechanism, including an inner tube, an outer tube assembly, and a cylinder. A fixing plate is welded to one end of the inner tube, and the fixing plate is connected to the seat. A slider is provided on the side wall of the other end of the inner tube. The outer tube assembly is fitted over the inner tube and includes an outer tube and a sleeve. The outer tube includes a first port and a second port. The sleeve is inserted into the first port, and a longitudinal groove is formed on the sleeve. By rotating the outer tube, the slider slides into or out of the groove. The cylinder is inserted into the inner tube, and the piston rod of the cylinder is connected to the fixing plate by screws. The tail end of the cylinder is connected to the sleeve by screws. When the seat is raised or lowered, the slider slides out of or into the groove when the cylinder lifts the seat or is compressed by the seat. This increases the lifting and compression time, achieving a buffering effect and improving the comfort of the seat during use.