40results about How to "Protect the lumbar spine" patented technology

The invention relates to a back cushion with capacity of adjusting the shape of a waist support surface randomly. A targeted support curved surface can be obtained by adjusting the shape of the support surface of the back cushion in reference to the standard sitting posture of a user; the shape of the support surface is fitted with the waist curve of each user, and uniform and powerful support can be provided for the waist, so that the functions of keeping the sitting posture and relieving fatigue are realized.

The invention provides a human engineering seat. The human engineering seat comprises a base supporting frame, a back plate and displacement adjustment mechanisms, wherein a seat pate is connected with the base supporting frame; the back plate is pivoted with the base supporting frame; a connecting rod mechanism capable of adjusting the angle of the back plate is connected with a position between the back plate and the base supporting frame; the displacement adjustment mechanisms are respectively connected with the seat plate and the back plate. The human engineering seat can enable the back, pelvis, coccygeal vertebra and lumbar vertebra muscles of a user to be in tight contact with the seat during use, so that the user keeps a stable sitting posture, and the feeling of fatigue and the feeling of numb and ache of the user seating in the seat for a long time can be reduced; in addition, the human engineering seat can further gather sitting postures and sitting shapes of different human bodies, stress of different skeletons of people after sitting, and deformation situations of the back and the seat surface of the seat.

The invention discloses an overweight instrument set clamping transferring vehicle. The overweight instrument set clamping transferring vehicle comprises small underframes, clamp beams, bearing side frames and lifting plates; 3E shaft bogies are mounted under the small underframes; 4E shaft bogies are arranged on the right sides of the 3E shaft bogies; running wheels are mounted under both the 3Eshaft bogies and the 4E shaft bogies; big underframes are arranged above the small underframes; guide beams are mounted above the big underframes; an empty car connecting device is mounted between theclamp beams; the clamp beams are positioned above the guide beams; main supporting plates are fixed between the bearing side frames; the bearing side frames are positioned on the external sides of guide rail frames; sliding grooves are fixed on the surfaces of the lifting plates; and the lifting plates are positioned on upside rods of hydraulic lifting frames and telescopic supporting rods. According to the overweight instrument set clamping transferring vehicle, through remote operations such as lifting height, arm extension, clamping, translation and so on, oversized and overweight operation instrument sets are easily transferred to reduce the working strength of working personnel and protect the lumbar vertebra of the working personnel.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices which are used for jacking the folded plate to tend to protrude outwards and can be remotely controlled are installed below the folded plate; a pressure sensor is arranged on the surface of the folded plate. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and improving the correction effects.

The invention discloses a multifunctional old people assisting device. The multifunctional old people assisting device comprises a chair frame body, a driving assembly for driving the chair frame bodyto move, upper limb assisting assemblies mounted on armrest sides of the chair frame body, lower limb assisting assemblies mounted on two left front support leg and right front support leg sides of the chair frame body as well as a sitting and leaning assembly mounted on the chair frame body and having multiple switchable working states. The multifunctional old people assisting device has functions of assisting walking, supporting standing, preventing falling down, replacing walking and assisting the old people to go to the toilet.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; a rope is coiled inside the supporting part; an opening is formed in the front of the supporting part; the head of the rope stretches out from the opening; the head arranged inside the supporting part is fixed on the supporting part and can be pulled out; explosive rivets are arranged inside the bottom ends of the chair legs. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and increasing the escape success rate.

The invention discloses a treatment vehicle with garbage bins and garbage bin opening and closing rotating frames. Bin bodies of the garbage bins can rotate out of or rotate back to the treatment vehicle from the front portion of the treatment vehicle. The garbage bin opening and closing rotating frames comprise screw rods fixed to the outer sides of the ends of the treatment vehicle, bin cover lifting assemblies and bin body rotating assemblies, wherein the bin cover lifting assemblies and the bin body rotating assemblies are connected to the screw rods. Polished rod areas are formed in the middles of the screw rods. The bin cover lifting assemblies comprise lifting plates which movebly sleeve the polished rod areas, cover lifting rods are arranged at the inner ends of the lifting plates,and the other ends of the cover lifting rods are connected with bin covers. The bin body rotating assemblies comprise rotating plates which are in rotatabe threaded connection to the positions, belowthe polished rod areas, on the screw rods, the inner ends of the rotating plates are connected with vertical supports, supporting plates are arranged at the bottoms of the vertical supports, and rolling wheels capable of moving on the upper surfaces of bottom plates are arranged at the bottoms of the supporting plates. The structure is reasonable, using is convenient, health care workers are prevented from bending down in the garbage abandoning process, and thus the lumbar spine is protected; and hands do not need to make contact with the garbage bins, the clean and hygienic effects are achieved, the hands are prevented from being contaminated, and glove replacement or hand hygiene disinfection are not needed any longer.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users and helping correct the sitting postures.

The invention relates to the technical field of forklift cargo forks, in particular to a loading and unloading cargo fork for an industrial transportation forklift. The loading and unloading cargo fork for the industrial transportation forklift comprises a cargo fork frame arranged in front of the forklift; the cargo fork frame comprises positioning transverse plates, positioning longitudinal plates, positioning supporting plates, extending longitudinal plates and extending bottom plates; the positioning longitudinal plates are fixedly connected with the positioning transverse plates, the positioning supporting plates are rotatably connected with the positioning longitudinal plates, the extending longitudinal plates are slidably connected with the positioning transverse plates, and the extending bottom plates are rotatably connected with the extending longitudinal plates; each extending bottom plate comprises a bottom plate body, a non-slip bolt, a universal wheel bracket and a liftingrod; the extending longitudinal plates slide to change the loading width so as to adapt to different cargo packaging sizes; and the universal wheel brackets slide to enable the bottom plate bodies torotate downwards, the positioning supporting plates synchronously rotate till the front ends abut against the ground, cargoes are pushed up to the positioning supporting plates and the bottom plate bodies, the cargoes do not need to be lifted up and then put on the positioning supporting plates, and the lumbar vertebra of workers can be protected.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; the side of the top plate is installed on the backrest via slide rails in a sliding manner; jacking devices are installed below the folded plate; rod pieces protrude toward the two sides of the side of the top plate of the folded plate; pulleys are arranged on the rod pieces and are matched with the slide rails in a sliding manner; the slide rails are made of permanent magnets; the pulleys are made of iron; the chair is also provided with a biological information collection bracelet which can be worn on a wrist of the user to collect the biological information of the user. The invention aims to provide the chair which has the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and improving the satisfaction of users and is convenient to dismantle and change.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, four chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; the supporting part is a rectangle when being overlooked; the four chair legs are vertically installed at the four corners of the bottom of the supporting part; the individual chair leg is divided into upper, middle and lower three sections; the two ends of the middle section are connected with the interiors of the upper and lower sections and can be controlled to stretch up and down. The invention aims to provide the chair which has the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and relieving the pressure and is more comfortable.

The invention discloses a multi-posture auxiliary turning-over device for a bedridden patient and an implementation method thereof, and belongs to the technical field of auxiliary turning-over dimensions.The multi-posture auxiliary turning-over device comprises a back cushion plate, the back cushion plate is formed by splicing two sets of cushion plates, and the two sets of cushion plates are connected through an adjusting assembly. According to the multi-posture auxiliary turning-over device for the bedridden patient and the implementation method of the multi-posture auxiliary turning-over device, the length is adjusted according to different heights of different patients, the adaptability of the whole device is improved, the turning-over safety is improved, the lumbar vertebrae of the patients are effectively protected, and the overall use safety is improved; according to the invention, the stability of reverse rotation is improved, automatic overturning can be carried out, the convenience of use is improved, resetting is effectively carried out, the inconvenience of traditional manual overturning is solved, the time is saved, the use is more convenient, the number of overturning times of a patient can be increased through automatic overturning, the effect of massaging legs can be achieved, and muscular atrophy caused by long-time lying is prevented.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the top plate is installed on the backrest in a sliding manner; jacking devices are installed below the folded plate; hinge joints and locking devices are arranged at the joint of the backrest and the supporting part or the joints of the backrest and the chair legs; the locking devices can be locked to fix the backrest; when the locking devices are not locked, the backrest can be opened backwards along the hinge joints. The invention aims to provide the chair which has the effects of protecting the lumbar vertebrae of users and helping correct the sitting postures and can be used for people to recline.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; an openable and closable heat dissipation frame is arranged in the middle of the supporting part and can be opened towards the two sides, so that the middle part of the supporting part is hollowed out. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and reducing the male prostate morbidity.

The invention relates to a body-building calligraphy bookshelf, which has the function of a bookshelf and is provided with a vertical face writing supporting plate. The bookshelf is provided with two doors, wherein one door is provided with a book placing bracket which can be used for placing copybooks; the other door is provided with a paper pressing plate for fixing writing paper; a plane capable of placing writing tools, such as inkstones and the like, can be placed below the two doors; one inner surface of the bookshelf is provided with a brush hanger capable of hanging writing brushes; and a water container which can accommodate ink of the writing brushes is arranged below the brush hanger. When people enjoy leisure, people can stand to write the calligraphy, one arm spreads upwards, the waist straightens, the neck backwards leans, and people can write with high proficiency because of fixed attention and Tiqi.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; an eyeshade is installed at the top of the backrest and is magnetically jointed at the top of the backrest. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and improving the sleep quality.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, four chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; the supporting part is a rectangle when being overlooked; the four chair legs are vertically installed at the four corners of the bottom of the supporting part; the individual chair leg is divided into upper, middle and lower three sections; the two ends of the middle section are fixedly connected with the interiors of the upper and lower sections via hydraulic cylinders or springs and can be controlled to stretch up and down. The invention aims to provide the chair which has the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and relieving the pressure and is more comfortable.

The invention discloses an office chair capable of playing music. The office chair comprises a supporting base, the top of the supporting base is fixedly connected with an office chair cushion, an office chair backrest is fixedly connected to the top of the right side of the office chair cushion, the top of the office chair backrest is fixedly connected with a telescopic rod, the top of the telescopic rod is fixedly connected with an office chair headrest, a storage drawer is arranged at the left side of the side face of the supporting base, a music playing port is fixedly connected with the right side of the side face of the supporting base, the bottom of the supporting base is fixedly connected with an air cylinder rod, the bottom of the air cylinder rod is fixedly connected with an aircylinder, the bottom of the air cylinder is fixedly connected with a base, and the bottom of the base is fixedly connected with rotating wheels. The invention relates to the technical field of officechairs. The office chair can relieve the fatigue of office workers to make the workers comfortable, protect lumbar vertebrae and cervical vertebrae of the office workers, improve the comfort of work and improve the work efficiency.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; a rope is coiled inside the supporting part; an opening is formed in the front of the supporting part; the head of the rope stretches out from the opening; the head arranged inside the supporting part is fixed on the supporting part and can be pulled out. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and helping escape.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; a memory sponge is laid on the upper surface of the supporting part; the surface of the backrest is made of hard materials; a strip-shaped slot is formed in the middle of the upper end of the front of the backrest and is filled with the memory sponge. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures, improving the correction effects and relieving the pressures on cervical vertebrae.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, four chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; the supporting part is a rectangle when being overlooked; the four chair legs are vertically installed at the four corners of the bottom of the supporting part; the individual chair leg is divided into upper, middle and lower three sections; the two ends of the middle section are fixedly connected with the interiors of the upper and lower sections via hydraulic cylinders or springs. The invention aims to provide the chair which has the effects of protecting the lumbar vertebrae of users and helping correct the sitting postures and is more comfortable.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; an openable and closable heat dissipation frame is arranged in the middle of the supporting part and can be opened towards the two sides, so that the middle part of the supporting part is hollowed out; a temperature measuring instrument is arranged on the heat dissipation frame; the heat dissipation frame is opened when the temperature of the upper surface of the heat dissipation frame is tested to be higher than 40 DEG C. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and reducing the male prostate morbidity.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; an openable and closable heat dissipation frame is arranged in the middle of the supporting part and can be opened towards the two sides, so that the middle part of the supporting part is hollowed out; a temperature measuring instrument is arranged on the heat dissipation frame; the heat dissipation frame is opened when the temperature of the upper surface of the heat dissipation frame is tested to be higher than 40 DEG C. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and reducing the male prostate morbidity.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate; a memory sponge is laid on the upper surface of the supporting part; the surface of the backrest is made of hard materials; a strip-shaped slot is formed in the middle of the upper end of the front of the backrest and is filled with the memory sponge. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures, improving the correction effects and relieving the pressures on cervical vertebrae.

Provided is a fast handling system for a vegetable planting shed. The fast handling system comprises rollers, a support plate, a rotary plate and a material picking plate which are connected sequentially, wherein the end, near the ground, of the support plate is connected with the rollers, each roller can rotate around an own axis, and the axes of the rollers are parallel to the support plate; theother end of the support plate is hinged to the rotary plate, wherein the hinged axis is parallel to the axes of the rollers; the end, away from the hinged position, of the rotary plate is connectedwith one end of the material picking plate, a telescopic device I is arranged on the surface, near the support plate, of the rotary plate, and one end of the telescopic device I is hinged to the support plate; the other end of the telescopic device I is in contact with the ground, and the telescopic axis of the telescopic device I is perpendicular to the ground. Through the fast handling system, the labor intensity of planting pot carrying by workers is reduced, knee joints, lumbar vertebrae and other joint parts of the workers are protected, and the planting efficiency of the workers are improved; meanwhile, the telescopic device I can support the rotary plate, so that the stress of the hinged position between the rotary plate and the support plate is reduced.

The invention discloses an overweight instrument set clamping transferring vehicle. The overweight instrument set clamping transferring vehicle comprises small underframes, clamp beams, bearing side frames and lifting plates; 3E shaft bogies are mounted under the small underframes; 4E shaft bogies are arranged on the right sides of the 3E shaft bogies; running wheels are mounted under both the 3Eshaft bogies and the 4E shaft bogies; big underframes are arranged above the small underframes; guide beams are mounted above the big underframes; an empty car connecting device is mounted between theclamp beams; the clamp beams are positioned above the guide beams; main supporting plates are fixed between the bearing side frames; the bearing side frames are positioned on the external sides of guide rail frames; sliding grooves are fixed on the surfaces of the lifting plates; and the lifting plates are positioned on upside rods of hydraulic lifting frames and telescopic supporting rods. According to the overweight instrument set clamping transferring vehicle, through remote operations such as lifting height, arm extension, clamping, translation and so on, oversized and overweight operation instrument sets are easily transferred to reduce the working strength of working personnel and protect the lumbar vertebra of the working personnel.

The invention relates to the technical field of daily supplies, in particular to a multifunctional adjustable seat capable of dynamically protecting the spine, which comprises a base, a cushion, a chair back and a headrest, the headrest is adjustably mounted on the chair back, and a cervical vertebra supporting part is arranged on the headrest; a lumbar vertebra supporting part and a thoracic vertebra supporting part are arranged on the chair back; armrests are arranged on two sides of the cushion and the chair back; a connecting seat and a supporting seat are arranged on the cushion; a telescopic adjusting part is arranged between the chair back and the cushion; the chair back rotates in the front-back direction relative to the cushion; and when the chair back rotates, the chair back stretches out and draws back according to the position change of a user under the action of the telescopic part. And the lumbar vertebra, the thoracic vertebra and the cervical vertebra of a user can be protected when the user works or relaxes. The chair back changes according to the change of tipping and height stretching of the back of the human body, and any angle and height provide supporting force for the spine of the human body to protect the spine of the human body. Therefore, the chair is suitable for different people to use.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate. The chair is capable of recognizing identities. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users, helping correct the sitting postures and improving the user experience.

The invention relates to the field of office equipment and in particular relates to a chair. The chair comprises a supporting part, chair legs, a backrest and a folded plate, wherein the supporting part is used for supporting the hip of a user when the user sits; the chair legs are rod pieces and are installed at the four corners of the bottom of the supporting part; the backrest is installed at one side of the supporting part or at the sides of the chair legs below the side of the supporting part; the folded plate is formed by connecting a plurality of plates in series; each plate can rotate around the position in which the plate is connected with the adjacent plate in series; the side of the bottom plate is fixed on the upper surface of the supporting part, and the side of the top plate is installed on the backrest in a sliding manner; jacking devices for jacking the folded plate to tend to protrude outwards are installed below the folded plate. The invention aims to provide the chair with the effects of protecting the lumbar vertebrae of users and helping correct the sitting postures.