1058 results about "Office chair" patented technology

An office chair armrest comprises an armrest frame, a sleeve, a lifting mechanism, an armrest position supporting plate, a supporting plate rotating structure, an armrest position and an armrest position sliding and rotating integrated structure. Due to the fact that the tail portion of the handrail position supporting plate is connected with the sleeve, 360-degree rotation of the supporting plate is achieved through the supporting plate rotating structure, the front portion of the handrail position supporting plate is connected with the handrail position, and linear sliding and 360-degree horizontal rotation of the handrail position are controlled through the handrail position sliding and rotating integrated structure, the handrail position sliding and rotating integrated structure has the current common functions of lifting, transverse sliding and 360-degree rotation. The rotating structure of the supporting plate rotating structure and the rotating structure of the armrest position sliding and rotating integrated structure can be rotated at the same time to adjust the armrest position backwards as much as possible, so that a person lying on the backrest to have a rest puts the hands on the armrest position closer to the body, and the hands are supported by the armrest position more comfortably; therefore, the armrest can be better applied to the office chair of which the backrest can be unfolded to be in a semi-lying state, so that the armrest is more reasonable in structure and can be applied to the office chair in a wider range.

The invention discloses an office chair cushion temperature and humidity multi-stage regulation and control method and system. The method comprises the steps that the contact state of a cushion and a human body contact interface, the local environment, human body physiological response and external environment multi-dimensional parameters are collected in real time; the parameters are matched with a dynamic reference model constructed by multi-user historical comfort data, the matching degree is calculated, and multi-level discomfort levels of all contact areas of the cushion are divided; in combination with the discomfort level and the environmental condition, generating a personalized strategy corresponding to the multi-level regulation intensity through a multi-objective optimization algorithm; and the temperature and humidity adjusting device is driven to execute multi-stage cooperative regulation according to a strategy, and feedback data is collected to update the model. The system integrates a multi-parameter acquisition module, a data processing module, an execution regulation module and the like, and can realize automatic damp-proof management of the seat cushion after the seat is separated from the seat. The problems that existing regulation and control are single, the dynamic comfort requirement cannot be met, and the hidden danger of moisture after the cushion is separated from the seat is solved, and the comfort, sanitation and durability of the cushion are remarkably improved through full-period and multi-stage precise regulation and control.

The utility model discloses an office chair with a self-loading function, which comprises a chair seat comprising a base, a seat shell and a middle seat support, the seat shell is positioned above the base, and the middle seat support is positioned between the base and the seat shell; the back tipping elastic mechanism is axially arranged on the rear side part of the base and is used for providing restoring force for the chair backrest; the back leaning and pitching support is installed on the back leaning and pitching elastic mechanism and can synchronously rotate along with the back leaning and pitching elastic mechanism, the left rear side portion and the right rear side portion of the seat shell are rotationally connected with the left side portion and the right side portion of the back leaning and pitching support through a left seat shell rotating shaft and a right seat shell rotating shaft, and the left rear side portion and the right rear side portion of the middle seat support are connected with the left seat shell rotating shaft and the right seat shell rotating shaft. And the bottom of the chair backrest is fixed on the back tipping bracket through a back tipping support and synchronously rotates along with the back tipping bracket. The seat has a self-loading function, and the tipping strength of the seat can be adjusted in a self-adaptive manner according to the weight of a human body, so that people with different weights can obtain proper supporting force.

The utility model discloses an office chair with a leg supporting function, which comprises a base, supporting legs are arranged at the bottom of the base, moving wheels are arranged at one ends of the supporting legs, a lifting air cylinder is arranged on the base, a chair body is arranged at the free end of the lifting air cylinder, armrests are arranged on two sides of the chair body, and the lifting air cylinder is arranged on the base. A supporting leg structure is arranged at the bottom of one side of the seat body, and a neck supporting structure is arranged at the top of the seat body; the supporting leg structure comprises a storage bin, an adjusting motor, an adjusting screw rod, a lifting plate and a pedal plate, the storage bin is arranged at the bottom of one side of the seat body, and the two ends of the adjusting screw rod are rotationally arranged between the inner bottom wall and the inner top wall of the storage bin. The utility model relates to the technical field of office chairs, and particularly provides an office chair with a leg supporting function.

The invention provides an office chair adaptive adjustment method and system, and relates to the technical field of office chair control. The method comprises the following steps: acquiring an image data stream of a user body, and extracting body shape feature data and posture information data of the user by processing the image data stream; according to the image data flow and by analyzing computer information, judging the task type of the current work task of the user; based on the task type, according to the body shape feature data and the posture information data, obtaining adjustment parameters of a plurality of adjustment parts of the office chair; according to the adjusting parameters, the height of the seat, the angle of the backrest, the position of the waist support, the protrusion degree of the waist support, the height of the armrests and the distance between the armrests are adjusted by controlling an electric adjusting mechanism of the office chair. The adaptive adjustment method for the office chair overcomes the limitation that only primary or low-frequency adjustment is carried out in the prior art, realizes linkage accurate adjustment of multiple parts of the office chair, and provides dynamic adaptive support.

The welding equipment for processing and manufacturing the office chair comprises a rotating rod, a fixed clamping piece is welded to the bottom end of the rotating rod, a clamping sleeve is welded to the end face of one side of the fixed clamping piece, the inner side of the clamping sleeve is in threaded connection with a clamping screw, and the clamping screw is in threaded connection with the rotating rod. A positioning sliding rod is welded to the top position of the end face of one side of the fixed clamping piece, the outer side of the positioning sliding rod is slidably sleeved with a movable clamping piece, a clamping piece is welded to the outer side of the clamping screw rod, a rotating disc is welded to one end of the clamping screw rod, and an anti-slip piece is welded to the top end of a rotating rod; the air cylinder seat and the supporting leg are fixed in relative position, the movable clamping piece can slide, so that the air cylinder seat welding device can be suitable for air cylinder seats of different specifications, it is guaranteed that the air cylinder seats of different specifications and the supporting leg of different specifications can be welded accurately and rapidly during welding, and the manufacturing efficiency and quality of office chairs are further guaranteed.

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.

A seat back for an office chair is efficiently manufactured and assembled. The seat back includes a tensioner for tensioning a flexible support on the structural frame. The tensioner is connected between the lower edge of the flexible support and the upright members of the frame such that the tensioner stretches the flexible support between the upper and lower edges of the flexible support and maintains the flexible support in tension on the structural frame. An armrest mount may be formed integrally with each of the upright members of the structural frame, and an armrest housing vertically adjustably mounted to each of the armrest mounts. An activation mechanism is positioned adjacent to the lower end of the armrest housing, and is connected to a lock element such that movement of the activation mechanism toward the upper end of the housing causes the lock element to move to an unlocked position.

The utility model discloses a backrest turnover mechanism of an office chair, which is characterized in that a hinge mechanism is arranged between a handrail and a chair back, a connecting rod mechanism is arranged between a chair seat and the bottom of the chair back, and a quick-pull bolt is arranged on the connecting rod mechanism, so that when the chair back needs to be folded, the quick-pull bolt can be taken down, and the chair back can be conveniently folded. According to the office chair, the lower end of the chair back is disconnected from the chair seat, the chair back can be folded around the armrests, the packaging space is reduced, the office chair can be rapidly installed after goods are received, the telescopic rod controlled by the control mechanism is arranged at the lower end of the chair seat, and when the telescopic rod is opened, the chair back is in a high-elasticity mode; when the telescopic rod is closed, the chair back is in a normal elastic mode, the telescopic rod does not participate in buffering of the bottom of the chair back, the chair back can cope with people with light weight, self adjustment can be achieved according to actual conditions, and the backward turning range of the chair back can be adjusted by controlling the telescopic rod.

The invention discloses an armrest connecting structure and an office chair with the armrest connecting structure, and relates to the technical field of chairs, the armrest connecting structure comprises a chair main body, the chair main body comprises a backrest plate on the rear side, the rear side of the backrest plate is provided with a first convex part, and the first convex part is provided with a first convex part mounting hole; the handrail piece comprises a handrail mounting part and a handrail extending part, a third convex part is arranged on the front side of the handrail mounting part, and a handrail lower mounting hole is formed in the lower side of the third convex part; the connecting piece is connected between the backrest plate and the armrest mounting part, a second convex part is arranged on the front side of the connecting piece, and a second convex part mounting hole is formed in the second convex part; the seat main body is connected with the armrest piece through the connecting piece, so that the connecting stability of the armrest piece can be improved; the first fixing screws are obliquely connected in a penetrating mode to splice the connecting piece and the seat body, stress of the first fixing screws is more reasonable, the first fixing screws are not prone to loosening, and it is guaranteed that the connecting piece and the seat body can be firm enough after working for a long time.

The invention belongs to the field of furniture, and discloses a backrest rotating center self-adaptive adjusting system and method.The backrest rotating center self-adaptive adjusting system comprises a matrix pressure sensor, a backrest, a backrest rotating support connected with the backrest and a backrest transverse movement driving mechanism connected with the backrest rotating support; and the backrest transverse movement driving mechanism comprises a plurality of pressure sensors which are arranged in an array, is arranged at the bottom of the chassis and is used for driving the backrest rotating bracket to move back and forth together with the backrest. Therefore, the rotation center of the backrest is adjusted. The position of the human ischial tuberosity point on the seat surface is detected, the position of the human trunk rotating shaft is calculated, the rotating center of the backrest is adjusted to the position coinciding with the rotating center of the human body in the horizontal direction, the phenomena of back rubbing and waist losing caused by unreasonable arrangement of the rotating shaft of the backrest are eliminated, reasonable support is provided for the human body in the backward leaning state, and the human body is more comfortable. Human body waist and back injury caused by long-term use of unreasonable office chairs is avoided.

An office chair comprises a seat, a seatback, and a chair base with a central support on which a rocking mechanism comprising a supporting base is installed. A seatback frame comprises a transverse curved plate to which a preferably elastic vertical plate is attached by means of a pivotal connection in such a way that an axis of the pivotal connection is at about the middle of the seatback height. On its other end, the vertical plate is connected to a seatback base which in turn is connected to the supporting base. The seat is fixed to the rocking mechanism. Placed between the transverse plate and the upper part of the seatback is a gas-lift unit. Positioned on the vertical plate is an element for adjusting the initial position of the seatback. The chair can turn its seatback providing comfort for the user while taking various sitting positions.

The novel office chair comprises a first sofa cushion, supporting plates, a second sofa cushion and a sofa pillow, the supporting plates are arranged on the two sides of the first sofa cushion respectively, the second sofa cushion is arranged on the top of the first sofa cushion, first movable seats are hinged to the two sides of the first sofa cushion respectively, and first supporting rods are arranged on one sides of the two first movable seats respectively. The top ends of the two first supporting rods are connected with second supporting rods in an inserted mode, sofa pillows are arranged on the opposite sides of the two second movable seats, limiting holes are formed in the sides, away from each other, of the two first supporting rods respectively, and two limiting structures are arranged in the two containing cavities respectively. The sofa pillow is rotated to the position perpendicular to the second sofa cushion, then the second sofa cushion is lifted upwards and pulled out to the front side of the first sofa cushion, then the protruding blocks on the two sides are pressed, the second supporting rod is compressed to the proper position, the protruding blocks are matched with the limiting holes, and fixing of the second supporting rod is completed; the sofa pillow is placed on the rear side of the top of the first sofa cushion and can serve as a deck chair, a user can lie down to have a rest, and different rest modes of the user are met.

The utility model provides a waist supporting office chair which comprises a bottom plate, a rotary adjusting rod arranged at the top end of the bottom plate, a seat cushion arranged at the top end of the adjusting rod, a supporting rod arranged on the side face of the seat cushion, armrests arranged at the top end of the supporting rod, a back cushion arranged in the middle of the supporting rod, and a fixing block arranged on the back face of the back cushion. A first baffle is arranged on the surface of the fixing block, a sliding rod is arranged in the fixing block, and a second baffle is arranged on the back face of the sliding rod. Automatic adjustment and stable attachment of the supporting net are achieved, when a user leans against the surface of the back cushion, the sliding rods slide in the sliding grooves to drive the supporting net to move backwards, meanwhile, elastic force generated by the springs enables the supporting net to be tightly attached to the waist of the user, and therefore the waist supporting effect is effectively enhanced; the problem of insufficient supporting caused by looseness of the mesh cloth is solved, the comfort and supporting performance of use are improved, and it is guaranteed that the waist can be effectively supported after long-time use.

1. The name of the design product: office chair (Mc032-1). 2. The use of the design product: for people to sit and rest. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. The top view is embodied in perspective view 1, and the top view is omitted; the bottom view is shown in perspective view 2, and the bottom view is omitted.

The utility model relates to office chair technical field proposes a multi -purpose office chair, including support, the support top fixedly connected with the cushion, the bottom fixedly connected with the receiving board of cushion, the inside slide coupling of receiving board has the drawer, the utility model discloses through setting up the drawer, the drawer is divided into several groups by the baffle, can store different types of files or other tools in the inside of drawer, under the action of baffle, can fix the drawer in the inside of receiving board, again because baffle is triangular structure design, when the drawer slides, will be through the slope to baffle and exert the downward thrust, make the vertical pole along the bottom plate and move downward, and baffle drops horizontally immediately, will not hinder the normal sliding of drawer, through setting up the placing plate, can rotate to with support lateral parallel state of placing plate, through the nut and fix the placing plate, some temporary articles can be placed on the placing plate at the time, the skid -proof pad of setting can play certain antiskid effect.

A portable, compact back muscle training device that can be used at home and in the office, characterized in that the training device is used when a person is sitting on a chair or office chair and adapts to the size of chairs, office chairs and the size of a person.

The office chair with the clothes hanging function comprises a chair frame and a clothes hanger, the clothes hanger comprises a connecting seat and a clothes hanging rod connected with the connecting seat, pin holes are formed in the left side and the right side of the connecting seat, and positioning pins inserted into the pin holes are arranged on the left side and the right side of the chair frame respectively; locking assemblies are arranged on the left side and the right side of the chair frame respectively, strip-shaped locking grooves are formed in the left side and the right side of the connecting seat respectively, each locking assembly comprises a rotating part rotationally arranged on the chair frame, the rear end of each rotating part is arranged in the corresponding strip-shaped locking groove in a penetrating mode, a limiting part is arranged at the rear end of each rotating part, and the limiting parts are attached to the rear side wall face of the connecting seat to form locking. According to the utility model, the rotating piece is rotated to drive the limiting piece to carry out angle switching, so that the limiting piece is attached to the rear side wall surface of the connecting seat to form locking. The locking structure has the advantages that the problem of thread slipping or rusting is solved, the coat hanger is convenient to disassemble and maintain in the later period, and the use requirements of users are met.

1. Name of the product of this design: Office Chair (3673‑5). 2. Purpose of this design product: for people to ride on. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The bottom view has been shown in the stereogram 2 and is omitted.

1. The name of this design product: Office chair backrest (303). 2. Application of this design product: backrest of office chair. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

1. Name of the Design Product: Office Chair (CH-257007). 2. Use of the Design Product: For people to sit and rest. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph Most Indicating the Design Key Points: Perspective view. 5. The bottom surface of the Design Product is a part that is not easily seen or not seen during use, and the bottom view is omitted.

1. Name of the product in this design: Office Chair (G18A). 2. Purpose of this design: For use in office chairs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Since the key design points of the top view have been expressed in the submitted views, the top view is omitted; the bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

1. The name of the design product: vibrator. 2. The use of the design product: used for massage of sofa, bed, office chair, car and air chair products. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The invention discloses an ergonomic seat which comprises a base, a main body module and a motion device, the base is used for connecting a lifting air rod of the seat and enabling the main body module to be rotatably connected to the base through a first rotating shaft, the main body module comprises a seat body and a seat back which are rotatably connected, and the seat body comprises a bottom shell with a containing space; when the chair back is in a backward leaning state, the chair back is more inclined relative to a normal state; the motion device is located in the containing space and rotationally connected to the bottom shell and the base, and stable support is provided for rotation of the main body module. When the chair is in a rest state, the chair back is in a leaning-back state, the main body module rotates backwards, the front end of the chair seat tilts up, and the chair back further leans back until the knees and the heart are located on the same horizontal line, so that a zero-gravity posture is achieved, and comfortable lying experience is provided; according to the scheme, the zero-gravity posture is more stably, reasonably, integrally and modularly realized on the office chair.

1. The name of the design product: chair (2688). 2. The use of the design product: the design product is used for office chair. 3. The design points of the design product: the overall shape of the product. 4. The picture or photo that best shows the design points: perspective view 1. 5. The bottom surface of the design product is the part that is not easy to see or cannot be seen during use, and the top view is omitted.

A back support for a chair includes a seat back attachment system that provides efficient shipping and ease of installation. The attachment system includes a seat back and a seat that are mounted on a base. The seat back has a support portion and an attachment portion. The support portion has a forward surface for supporting the back of a user. A locking element is connected between the attachment portion and the base, the locking element locking the attachment portion in place with respect to the base, the locking element capable of toolless attachment to the base. Figure 1

The utility model relates to the technical field of office appliances, and discloses an office chair seat cushion capable of being detached and cleaned, which comprises a seat cushion outer sleeve, one side of the seat cushion outer sleeve is fixedly connected with a first mounting belt, the other side of the seat cushion outer sleeve is fixedly connected with a second mounting belt, and one side of the first mounting belt is provided with a fixing lock catch. According to the office chair seat cushion capable of being detached and cleaned, by pulling a control rod, the control rod drives a fixing block to be separated from the interiors of a fixing groove and an adjusting hole, so that fixation between a first mounting belt and a second mounting belt can be quickly relieved, and the effect of quickly detaching a seat cushion outer sleeve from an office chair can be achieved; and when the cushion outer sleeve needs to be installed again, the fixing blocks need to penetrate through the interiors of the adjusting holes and the fixing grooves again, through the arrangement, the cushion outer sleeve is more rapid and convenient to disassemble and assemble, time and energy are saved for a user, and the cushion is more flexible and practical.

To provide a seat back for an office chair capable of being efficiently manufactured and assembled.SOLUTION: A seat back for an office chair includes a tensioner for tensioning a flexible support on a structural frame. A tensioner is connected between a lower edge of the flexible support and upright members of the frame so that the tensioner stretches the flexible support between upper and lower edges of the flexible support and maintains the flexible support in tension on the structural frame. Armrests mount may be formed integrally with the upright members of the structural frame, and an armrest housing vertically adjustably mounted to each of the armrest mounts. An activation mechanism is positioned adjacent to a lower end of the armrest housing, and is connected to a lock element so that movement of the activation mechanism toward an upper end of the housing causes the lock element to move to an unlocked position.SELECTED DRAWING: Figure 1

A plastic seat base for use in an office chair (2) includes a metal connecting element (20) for connecting a pedestal to the seat base. The connecting element (20) includes an internal socket (6) shaped to receive an end of a pedestal and an external surface which is provided with a thread. The thread of the connecting element (20) is embedded in the plastic of the seat base. The connecting element (20) further comprises means for connection to a tool (30) for applying a torque force to the connecting element (20) in order to remove the connecting element (20) from the seat base. A metal connecting element (20) is also provided, along with a method for making a seat base and a method for removal of a connecting element (20) from a seat base.