CN212465461U

CN212465461U - Multipurpose office chair

Info

Publication number: CN212465461U
Application number: CN202020793306.8U
Authority: CN
Inventors: 颜秀春; 徐懿
Original assignee: Liming Vocational University
Current assignee: Liming Vocational University
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-02-05
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a multipurpose office chair, which comprises a loading base, universal casters, two armrest frames, a chair surface, a backrest, a main body supporting frame, a supporting plate and a supporting rod, wherein the upper end part of the supporting rod is fixed with the bottom of the main body supporting frame; two handrail framves are fixed respectively and are located the layer board left and right sides on the main part support frame, the layer board is fixed to be located on the main part support frame, the seat is crouched and is fixed on the layer board, the built-in PLC controller and the battery that is equipped with of seat, be provided with damper between main part support frame and the layer board, the built-in vibration mechanism that is equipped with of back, still install the device that generates heat in the back, fixed mounting has steering mechanism on the heavy burden base, fixed mounting has running gear on the bottom of heavy burden base, fixed mounting has the human-computer interaction panel on arbitrary handrail frame in two handrail. The utility model relates to a multipurpose office chair, it not only can reduce human back fatigue, promotes human waist blood circulation, moreover can electric control turn to and remove the walking.

Description

Multipurpose office chair

Technical Field

The utility model relates to an official working seat technical field, concretely relates to is a multipurpose office chair.

Background

The office chair is a chair which is convenient for daily life and work and is widely used in daily office work or work. The existing common office chair generally comprises a load bearing base, a lifting support rod, a chair surface, a backrest positioned at the rear side of the chair surface, a control rod for controlling the lifting support rod to stretch, and armrest frames respectively arranged at the left side and the right side of the chair surface. The comfort level of the existing common office chair is not perfect enough, and a plurality of defects exist:

firstly, current office chair does not possess back massage function, and accommodation is relatively poor, sits for a long time and stands and keeps same posture official working back, can cause tired and back ache scheduling problem, reduces office chair's travelling comfort.

Secondly, with the attention of people to the health environment, some health and multifunctional medical care products are more and more concerned by people. Ordinary office chairs can not meet the requirements of people on health and functions, and the development of office chairs beneficial to health is urgently needed.

Thirdly, the common office chair has defects, the convenience of use is still poor, and the function of reducing the body fatigue cannot be achieved.

Accordingly, the present inventors have made extensive studies on the conventional office chair and have made the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multipurpose office chair, it not only can reduce human back fatigue, promotes human waist blood circulation, moreover can electric control turn to and remove the walking.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multipurpose office chair comprises a load bearing base, universal casters, two armrest frames, a seat surface for sitting buttocks of a human body, a backrest which is positioned at the rear side of the seat surface and is used for the back of the human body to lean on, a main body supporting frame which is positioned above the load bearing base and is used for installing the seat surface and the backrest, a supporting plate which is horizontally and horizontally positioned on the main body supporting frame, and a supporting rod which is vertically arranged at the center of the load bearing base, wherein the upper end part of the supporting rod is fixed with the bottom of the main body supporting frame; the two handrail frames are fixedly arranged on the main body supporting frame and are respectively positioned at the left side and the right side of the supporting plate, the chair seat is horizontally arranged on the supporting plate and is arranged on the supporting plate in a manner of moving back and forth, a PLC (programmable logic controller) and a storage battery are arranged in the chair seat, a damping mechanism for realizing vertical damping of the supporting plate on the main body supporting frame in a floating manner is arranged between the main body supporting frame and the supporting plate, a vibrating mechanism for being arranged corresponding to the back of a human body and massaging the back of the human body in a vibrating manner is arranged in the backrest, a heating device which is positioned below the vibrating mechanism and can heat the waist of the human body to reduce the deficiency of the kidney to cause discomfort is also arranged in the backrest, a power output shaft of the heating device is fixedly arranged on the load bearing base and is connected with the lower end part of the supporting rod, and a steering mechanism which drives, fixed mounting has electric drive on the bottom of heavy burden base the running gear of heavy burden base walking, two arbitrary in the handrail frame fixed mounting has on the handrail frame corresponding input and output electricity on with the PLC controller to supply the human-computer interaction panel of people's operation, the battery with the PLC controller the vibration mechanism the device generates heat running gear with steering mechanism supplies power and connects, the PLC controller respectively with the vibration mechanism the device generates heat steering mechanism with the automatically controlled connection of running gear.

Furthermore, two slide rails for driving the chair seat to translate back and forth are arranged on the top surface of the supporting plate, the two slide rails are arranged on the supporting plate side by side from left to right, the bottom of the chair surface is provided with slide blocks which are in one-to-one corresponding sliding fit with the two slide rails, the upper top surface of the supporting plate is also provided with slide rails which are arranged side by side, a screw rod arranged between the two slide rails, two end parts of the screw rod are flush with the slide rails, the top surface of the supporting plate is also provided with a mounting seat for rotatably mounting two end parts of the screw rod, the top surface of the supporting plate is provided with a servo motor with a power output end in transmission connection with one end part of the screw rod extending out of the mounting seat, the servo motor is electrically connected with the corresponding output end of the PLC, and a screw rod nut which is matched with the screw rod and is positioned between the two mounting seats is fixedly arranged at the bottom of the chair seat.

Further, the main body support frame comprises a riding support and a back support connected to the back of the riding support, the back is fixed on the front side face of the back support, the shock absorption mechanism comprises a shock absorption seat and a sealing bag filled with vacuum gas, the shock absorption seat is fixedly arranged on the riding support and positioned below the supporting plate, a pit for the sealing bag to be filled in is concavely arranged on the upper top surface of the shock absorption seat towards the bottom surface, a lower pressing block for pressing the sealing bag downwards is arranged on the bottom surface of the supporting plate, a guide rod which is vertically arranged and used for the supporting plate to bounce up and down to play a guiding role is fixedly connected to the left side and the right side of the supporting plate, guide blocks for limiting the lower ends of the corresponding guide rods to pass through are fixedly arranged on the left side wall and the right side wall of the shock absorption seat, and a thread section is arranged on the part of the guide rod, and a nut for abutting the lower surface of the guide block against the lower surface of the supporting plate to jump upwards and limit the supporting plate is screwed on the lower end of the guide rod.

Furthermore, the main body support frame is provided with a headrest corresponding to the edge of the top of the backrest in a disassembling and connecting mode, the headrest is provided with a top leaning portion for a human body to lean on and two elastic rods which are vertically arranged side by side and used for adjusting the headrest to lift on the top of the backrest, the two elastic rods are provided with lower end portions towards the two elastic rods, the two elastic rods are upwards bent, the main body support frame is provided with two clamping seats matched with the two elastic rods, the clamping seats are provided with channels for the two elastic rods to vertically penetrate through, clamping blocks which are arranged in the channels in a relative mode and used for clamping and connecting the elastic rods are arranged on the clamping seats, the two elastic rods are provided with pits which are arranged outside the elastic rods at equal intervals, and the two clamping blocks are provided with convex columns which are arranged in a relative mode.

Further, all bond on two the handrail frame and be equipped with first blotter, two handrail frame or arbitrary be provided with on the handrail frame and be located outside the region above the seat to be used for placing the pit of teacup, all be provided with the resistance card that generates heat on the inner wall of pit and the bottom, the resistance card that generates heat with the PLC controller electricity is connected.

Further, vibration mechanism includes vibration main part, base plate, silica gel board and is square vibration frame, vibration main part fixed mounting in the vibration frame, vibration frame with main part support frame fixed connection, vibration frame with be provided with between the main part support frame and be used for avoiding resonant elastic sponge and soft silica gel pad, what the base plate was erect fixes vibration frame's front side, the silica gel board passes through the glue bonding and is in on the leading flank of base plate, the leading flank on the silica gel board is provided with a plurality of archs, bellied surface is the semicircle sphere, vibration main part electricity is connected the corresponding output of PLC controller.

Further, the heating device comprises a graphite heating film and two bags provided with wormwood, the two bags are sewn in the backrest and arranged corresponding to the double kidneys of the human body, air outlet holes are formed in the parts, corresponding to the double kidneys of the human body, of the bags, a pushing block used for pushing the backrest to arch forwards is arranged on the main body supporting frame, the graphite heating film is located in the backrest and fastened with the pushing block through bolts, the two bags are tightly attached to the surface of the graphite heating film, and the graphite heating film is connected with the corresponding output end of the PLC through guiding.

Further, the steering mechanism comprises a first stepping motor and a horizontal miniature worm gear reducer, the miniature worm gear reducer is fixed at the center of the load base, a power input shaft and a power output shaft are arranged on the miniature worm gear reducer, the power output shaft of the miniature worm gear reducer faces upwards, the axial direction of the support rod is the same as that of the power output shaft of the miniature worm gear reducer, and the lower end part of the support rod is fixedly connected with the power output shaft of the miniature worm gear reducer; the first stepping motor is fixedly arranged on the load base, and a power output shaft of the first stepping motor is in transmission connection with a power input shaft on the miniature worm gear speed reducer; and the first stepping motor is electrically connected with the corresponding output end of the PLC controller.

Further, the traveling mechanism comprises a shell, a steering wheel, a pair of traveling wheels, a rotating shaft, a second stepping motor and a driving motor, the shell is fixedly installed at the bottom of the center of the load-bearing base, the second stepping motor and the driving motor are both installed at the bottom of the inner side of the shell, the rotating shaft is horizontally arranged and is located at the bottom of the inner side of the shell, and two end parts of the rotating shaft extend out of the shell; the travelling wheels are fixedly arranged on two end parts of the rotating shaft respectively, a power output shaft of the driving motor is in transmission connection with the rotating shaft through a first transmission assembly, a wheel carrier is rotatably arranged on the casing, the steering wheel is rotatably arranged in the wheel carrier, a shaft rod penetrating into the casing is arranged on the wheel carrier, and the shaft rod is in transmission connection with a power output shaft of the second stepping motor through a second transmission assembly; and the second stepping motor and the driving motor are respectively and electrically connected with the corresponding output ends of the PLC.

Further, be provided with the cover glass on the headrest, the portion department that supplies human head to lean on in the portion of leaning on in the top of headrest is provided with the second blotter, be provided with on the portion of leaning on in the top of headrest and be used for placing the storage tank of cover glass.

The utility model discloses a profitable effect is:

a PLC (programmable logic controller) and a storage battery are arranged in the chair surface, and a human-computer interaction panel electrically connected with the corresponding input end and output end of the PLC is fixedly arranged on any one of the two handrail frames. When taking, through damper, realize that the layer board (the seat is installed on the layer board) is in the vertical direction buffering shock attenuation is realized with the mode of floating to the main part support frame, so take more comfortablely, be favorable to reducing work fatigue. In the up-and-down floating process, the oppression of the blood vessels and muscles of the buttocks by the gravity of the upper body of the human body is reduced, and the blood circulation of the buttocks is facilitated to the health of the human body. Through the built-in vibrating mechanism that is used for corresponding human back and provides the vibration that is equipped with of back, the vibration mechanism during operation massages human back vibration mode, promotes back muscle and relaxs, helps human back blood circulation, solves long-time sitting of people and stands and keeps same posture official working back, can cause tired and back ache scheduling problem, has carried the travelling comfort of stretching the office chair. The heating device is arranged below the vibrating mechanism and used for warming the waist of a human body, and when the heating device works, the heating device provides the waist warming effect for the human body through self-heating, so that the circulation of blood of double kidneys in the waist is promoted, and the waist soreness and discomfort caused by the kidney deficiency are relieved. Through the man-machine interaction panel, steering mechanism and the running gear that set up, people can directly be operated through the man-machine interaction panel, and the transmission instruction gives the PLC controller, and automatically controlled steering mechanism of PLC controller and running gear work, and then realize that the walking of automatically controlled official working seat turns with official working seat self, and the convenience of promotion greatly reduces health fatigue. Therefore, the utility model relates to a multipurpose office chair, it not only can reduce human back fatigue, promotes human waist blood circulation, moreover can electric control turn to and remove the walking.

Drawings

For ease of illustration, the present invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of another view structure of the present invention.

Fig. 3 is a schematic structural view of the middle chair seat of the present invention.

Fig. 4 is a schematic view of the connection structure of the middle headrest and the main body support frame (i.e. the schematic view of the connection between the headrest and the main body support frame).

In the figure:

a load bearing base-1; a universal caster-2; a handrail frame-3; a first cushion pad-31; a chair surface-4; a slide block-41; a backrest-5; a support plate-6; a guide rod-61; a nut-62; a main body support frame-7; a seating support-71; a back support-72; a card holder-701; a fixture block-702; a convex column-703; a support rod-8; a shock absorbing seat-9; a guide block-91; a headrest-10; a second cushion pad-101; pushing the top block-11; a miniature worm gear reducer-12; a first stepper motor-13; a housing-01; a steering wheel-02; a traveling wheel-03; a rotating shaft-04; wheel carrier-05; charging socket-06.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in figures 1-4, the utility model discloses a multipurpose office chair, including heavy burden base 1, universal caster 2, two handrail frame 3, the seat 4 that supplies human buttock to take and be in the seat 4 rear side, the back 5 that supplies the human back to rely on. The utility model discloses a multipurpose office chair, still include layer board 6 and main part support frame 7, the heavy burden base 1 through erect fixed locate the heavy burden base 1 the central bracing piece 8 and the main part support frame 7, the upper end of bracing piece 8 with the bottom fixed connection of the main part support frame 7, and support the main part support frame 7; two handrail frame 3 is fixed respectively and is located on the main part support frame 7 and be located the 6 left and right sides of layer board, layer board 6 is fixed to be located on the main part support frame 7, seat 4 crouches to be fixed on layer board 6, the built-in battery (not given in the figure) that is equipped with PLC controller (not given in the figure) and provides the power of seat 4, and it specifically is present PLC controller or present microcontroller that this place PLC controller chooses for use. The utility model discloses a waist-warming chair, including backrest 5, bracing piece 8, the built-in vibrating mechanism that is used for corresponding human back to provide the vibration that is equipped with of backrest 5, still install in the backrest 5 and be located the vibrating mechanism below to be used for providing the device that generates heat of warm waist effect to the human body, the last fixed mounting of heavy burden base 1 has power output shaft and steering mechanism of tip connection under the bracing piece 8, fixed mounting has the running gear who is used for driving the walking of heavy burden base 1 on the bottom of heavy burden base 1 (promptly running gear with steering mechanism is in on the heavy burden base 1, just running gear is in steering mechanism's below), two in the handrail frame 3 arbitrary fixed mounting has the man-machine interaction panel who supplies people to operate on the handrail frame 3 (the man-machine interaction panel chooses present liquid crystal display input panel promptly), man-machine interaction panel (not given in the picture) with corresponding input and output electricity are connected on the PLC controller, the storage battery is in power supply connection with the PLC controller, the vibration mechanism, the heating device, the travelling mechanism and the steering mechanism, and the PLC controller is in electric control connection with the vibration mechanism, the heating device, the steering mechanism and the travelling mechanism respectively. The main part support frame 7 is provided with a charging socket 06 and a charging circuit used for charging the storage battery, the charging socket 06 is electrically connected with the charging circuit through a lead, and the charging circuit is connected with the PLC. Adopt above-mentioned structure setting, the man-machine interaction panel of setting makes things convenient for people to control through it, and the input information of being convenient for gives the PLC controller and shows PLC controller control information. The PLC controller is mainly used for electrically controlling the vibration mechanism, the heating device, the steering mechanism and the travelling mechanism, and realizing independent work or mutual cooperation of all electrically controlled mechanisms or devices. The storage battery mainly provides a working direct-current power supply for the PLC, the vibration mechanism, the heating device, the walking mechanism and the steering mechanism, and the storage battery is a lithium battery or a nickel-cadmium battery and can be charged, so that the continuous direct-current power supply can be continuously provided.

In this embodiment, two slide rails (not shown) for driving the seat 4 to move back and forth are installed on the top surface of the supporting plate 6, the two slide rails are arranged side by side on the supporting plate 6, the bottom of the seat 4 is provided with a slide block 41 in one-to-one sliding fit with the two slide rails, the top surface of the supporting plate 6 is further provided with a screw rod arranged side by side with the two slide rails and located between the two slide rails, two end portions of the screw rod are flush with the slide rails, the top surface of the supporting plate 6 is further provided with an installation seat for rotatably installing the two end portions of the screw rod, the top surface of the supporting plate 6 is provided with a servo motor (not shown) having a power output end in transmission connection with one end portion, extending out of the installation seat, of the screw rod (not shown), the servo motor is electrically connected with a corresponding output end of the PLC controller, a screw nut (not shown) which is matched with the screw rod and is positioned between the two mounting seats is fixedly arranged at the bottom of the seat surface 4; and a damping mechanism for damping the supporting plate 6 in a floating mode is arranged between the main body supporting frame 7 and the supporting plate 6. By adopting the structure, the arranged servo motor is mainly used for driving the chair seat 4 to accurately extend and move and retreat on the supporting plate 6. When the chair seat is in work, the servo motor drives the screw rod to rotate, the screw rod is driven by the screw rod nut fixed on the lower surface of the chair seat 4, and the chair seat 4 extends and moves and retreats on the supporting plate 6. The guide rail and the sliding block 41 are arranged mainly for better bearing the weight of the seat 4 when people sit, reducing the pressure on the screw rod, reducing the moving friction force of the seat 4 on the supporting plate 6, saving more energy and facilitating the movement.

In this embodiment, the main body support frame 7 includes a seating bracket 71 and a back bracket 72 connected to the back of the seating bracket 71, and the seating bracket 71 and the back bracket 72 are fixed together or movably and limitedly hinged together in a conventional manner. The backrest 5 is fixed on the front side surface of the back support 72, the shock absorption mechanism comprises a shock absorption seat 9 and a sealing bag (not shown in the figure) filled with vacuum gas, the shock absorption seat 9 is fixedly arranged on the sitting support 71 and is positioned below the supporting plate 6, a pit (not shown in the figure) for accommodating the sealing bag is concavely arranged on the upper top surface of the shock absorption seat 9 towards the bottom surface, a lower pressing block (not shown in the figure) for pressing the sealing bag downwards is arranged on the bottom surface of the supporting plate 6, a guide rod 61 which is vertically arranged and used for bouncing up and down and guiding the supporting plate 6 is fixedly connected to the left side and the right side of the supporting plate 6, guide blocks 91 for limiting and penetrating the lower ends of the guide rods 61 are fixedly arranged on the left side wall and the right side wall of the shock absorption seat 9, and a threaded section is arranged on the part of the guide block 91 for penetrating the lower ends of the guide rods 61, the lower end of the guide rod 61 is screwed with a nut 62 for abutting the lower surface of the guide block 91 and limiting the upward jump of the supporting plate 6. By adopting the structure, the seat surface 4 can bounce up and down along with the supporting plate 6 on the riding bracket 71 of the main body supporting frame 7, so that the shock absorption is realized, the riding fatigue is relieved, and the seat is more comfortable when riding. Meanwhile, the shock absorber is simple in structure, convenient to assemble, low in cost, stable in shock absorption and effective continuously.

Specifically, the charging socket 06 is disposed on the back support 72 of the main body support frame 7, the charging socket 06 is located on a surface of the back support 72 of the main body support frame 7 deviating from the sitting support 71, and the charging socket 06 can also adopt an existing charging socket.

In this embodiment, the main part support frame 7 is corresponding to the top edge of back 5 is disassembled and is connected with headrest 10, headrest 10 has the top back portion that supplies the human body to rely on and vertical just supplies side by side headrest 10 is in two elastic rods of lift adjustment on the top of back 5, specifically, two elastic rods and headrest 10 integrated into one piece, two lower tip on the elastic rod all to two kickup just is close to each other between the elastic rod, two like this the elastic rod can pass through two when receiving inward pressure the elastic rod tip curved part pushes up and opens under the elastic rod, guarantees elasticity, avoids two elastic rod upper end to split or fracture because of the bending stretching excessively simultaneously. The main body supporting frame 7 is provided with two clamping seats 701 matched with the elastic rods, and the specific clamping seats 701 are arranged on the back support 72 of the main body supporting frame 7. The clamping seat 701 is provided with a channel for two elastic rods to vertically penetrate through, the clamping seat 701 is provided with clamping blocks 702 which are arranged in the channel oppositely and used for clamping and matching the elastic rods, the two elastic rods are respectively provided with pits which are arranged between the two elastic rods at equal intervals, and the two clamping blocks 702 are provided with convex columns 703 which are arranged oppositely. By adopting the structure, the two elastic rods on the headrest 10 are matched with the clamping blocks 702 in the clamping seats 701, so that the lifting height of the headrest 10 on the main body supporting frame 7 can be adjusted, and the headrest is suitable for the heads of people with different heights to rest by means of rest. Meanwhile, the structure is simple, the assembly is convenient, and the headrest 10 is easy to disassemble and clean.

In this embodiment, two all bond on the handrail frame 3 and be equipped with first blotter 31, first blotter 31 here adopts the blotter of handrail on the current office chair, and ventilative screen cloth parcel sponge setting on the current headrest 10 promptly. The two armrest frames 3 or any one of the armrest frames 3 is provided with a pit which is positioned outside the area right above the chair surface 4 and used for placing a teacup, the inner wall and the bottom of the pit are both provided with heating resistance cards (not shown in the figure), and the heating resistance cards adopt the existing mica plates or mica plate sheets or PTC ceramic heating cards. The resistance card is electrically connected with the PLC. Adopt above-mentioned structure setting, the resistance card that sets up, the during operation resistance card that generates heat, can keep warm or heat for the teacup, guarantees the temperature of drinking that teacup splendid attire coffee or tea kept, has promoted the convenience. The trouble of hot coffee or tea making is avoided, the time is saved, the use is convenient, and the work efficiency is improved.

In this embodiment, the vibration mechanism includes the vibration main part (specifically, the vibration main part adopts existing, adopt the vibration main part of the vibration mechanism of two material-splitting tealeaves racking machine that patent number CN2017212909372 discloses promptly, the base plate (not given in the figure), the silica gel board (not given in the figure) and be square vibration frame (not given in the figure), the vibration main part (not given in the figure) fixed mounting be in the vibration frame, the vibration frame with main part support frame 7 fixed connection, the vibration frame with be provided with between the main part support frame 7 and be used for avoiding resonant elastic sponge and soft silica gel pad. Specifically, the vibration frame is fixed to a back bracket 72 of the main body support frame 7. The base plate is vertically fixed on the front side of the vibration frame, the silica gel plate is adhered to the front side face of the base plate through glue, a plurality of bulges (not shown in the figure) are arranged on the front side face of the silica gel plate, the outer surfaces of the bulges are semi-spherical, and the vibration main body is electrically connected with the corresponding output end of the PLC. Adopt above-mentioned structure setting, when human back pushes up and leans on 5 rests on the back, give the PLC controller through man-machine interface input signal, the vibration main part of PLC controller control, the vibration main part vibration during operation, through a plurality of archs on the leading flank on the silica gel board to human back vibration massage.

In this embodiment, the heat generating device includes a graphite heating film (not shown) and two pockets (not shown) filled with wormwood, where the graphite heating film is a conventional graphene heating film, the two pockets are sewn in the backrest 5 and arranged corresponding to the kidneys of the human body, air outlets (not shown) are provided on the portions of the pockets corresponding to the kidneys of the human body, the main body support frame 7 is provided with a pushing block 11 for pushing the backrest 5 to arch forward, and specifically, the back support 72 of the main body support frame 7 is provided with a pushing block 11 extending into the upper portion of the seat support 71 of the main body support frame 7. The graphite heating film is positioned in the backrest 5 and is fastened with the ejector block 11 through bolts, the two bags are tightly attached to the surface of the graphite heating film, and the graphite heating film is connected with the corresponding output end of the PLC in a guiding manner. Adopt above-mentioned structure to set up, human back top is leaned on back 5, give the PLC controller through human-computer interaction interface input signal, the work of generating heat of PLC controller control graphite heating membrane, graphite heating membrane generates heat bag and its inside chinese mugwort grass and heats, the chinese mugwort grass is heated the gas that sends and can directly act on human two kidneys, reach the moxa-moxibustion effect (waist is sour in specially aiming at women's example vacation, the waist sends the cold condition, have fine treatment and alleviate waist sour effect), not only promote blood circulation, still be favorable to warm kidney (to the male sex because of the kidney deficiency, kidney deficiency leads to waist is sour to play the alleviating effect), so be more favorable to the health. The graphite heating film is an electrothermal material with high efficiency, high speed, low density, good stability and good flexibility, and is assisted with an infrared health-care function, so that the graphite heating film can play a more excellent medical health-care function. Preferably, the outer surface of the graphite heating film is provided with a tourmaline layer. The excellent electric and heat conducting performance of the graphene completely exceeds that of metal, meanwhile, the graphene has the advantages of high temperature resistance and corrosion resistance, and the good mechanical property and the low density of the graphene enable the graphene to have the potential of replacing other materials in the field of electric heating materials. The resistance heating unit in the conventional electric heating system generally adopts materials such as metal foil, thin film coating, resistance wire, metal mesh and the like. The electric heating effect and the health care function of the materials can not meet the requirements.

In this embodiment, the steering mechanism includes a micro worm gear reducer 12 and a first stepping motor 13, the micro worm gear reducer 12 is disposed horizontally, and the micro worm gear reducer 12 is fixed at the center of the load base 1, where the micro worm gear reducer 12 is a conventional one, the micro worm gear reducer 12 has a power input shaft and a power output shaft, the power output shaft of the micro worm gear reducer 12 faces upward, the support rod 8 is in the same axial direction as the power output shaft of the micro worm gear reducer 12, and the lower end of the support rod 8 is fixedly connected to the power output shaft of the micro worm gear reducer 12; the first stepping motor 13 is fixedly arranged on the load base 1, and a power output shaft of the first stepping motor 13 is in transmission connection with a power input shaft on the miniature turbine worm speed reducer 12; the first stepping motor 13 is electrically connected with the corresponding output end of the PLC controller. By adopting the structure, the first stepping motor 13 drives the supporting rod 8 to rotate through the miniature worm gear reducer 12 during operation, and the miniature worm gear reducer 12 has self-locking performance in structure, so that the problem of reverse rotation cannot occur in the rotating process, and the accuracy of rotating and reversing the main body supporting frame 7 on the load bearing base 1 is ensured. Specifically, the PLC controller works through an electric control first step motor 13, realizes that the electric control main body support frame 7 rotates relatively on the load bearing base 1, and achieves that the main body support frame 7 rotates accurately above the load bearing base 1 without rotating under the load bearing base 1, so that the PLC controller is more labor-saving and more intelligent compared with the manual drive rotation of a traditional office chair.

In this embodiment, the traveling mechanism includes a housing 01, a steering wheel 02, a pair of traveling wheels 03, a rotating shaft 04 (i.e., a main shaft or a rotating shaft), a second stepping motor (not shown in the figure), and a driving motor (not shown in the figure), where the driving motor is a conventional motor, the housing 01 is fixedly mounted on the bottom of the center of the load base 1, the second stepping motor and the driving motor are both mounted on the bottom of the inner side of the housing 01, the rotating shaft 04 is disposed horizontally and on the bottom of the inner side of the housing 01, and two end portions of the rotating shaft extend out of the housing 01; the travelling wheels 03 are fixedly mounted on two end portions of the rotating shaft 04 respectively, a power output shaft of the driving motor is in transmission connection with the rotating shaft 04 through a first transmission assembly, and the first transmission assembly can be one of a combination of an existing main gear and an auxiliary gear, an existing belt, a combination of a main belt and an auxiliary belt, an existing gear box or an existing worm gear box. A wheel carrier 05 is rotatably mounted on the casing 01, the steering wheel 02 is rotatably mounted in the wheel carrier 05, a shaft rod penetrating into the casing 01 is arranged on the wheel carrier 05, and the shaft rod is in transmission connection with a power output shaft of the second stepping motor through a second transmission assembly; the second transmission assembly may be one of an existing master gear and pinion combination, an existing belt, a master belt and pinion belt combination, an existing gear box or an existing worm gear box. And the second stepping motor and the driving motor are respectively and electrically connected with the corresponding output ends of the PLC. By adopting the structure, the wheel carrier 05 is controlled to rotate by the second stepping motor, so that the steering is accurately controlled. Drive axis of rotation 04 through driving motor and rotate, axis of rotation 04 realizes the walking through a pair of walking wheel 03, consequently, the straight line walking and the turn of PLC controller can the direct control office chair realize the intellectuality, do not need the manual work to pass through leg foot drive office chair walking, are favorable to reducing human official working fatigue, promote the convenience that office chair used.

It should be noted that: the walking mechanism is arranged by adopting a structure similar to a remote control car of a child toy, and the walking mechanism can also be arranged by adopting the same structure of the existing remote control car of the child toy, namely fixing a shell of the remote control car of the child toy on the bottom of the center of the load base 1. Therefore, the structure is simple, the modeling is unique, the manufacture is easy, and the application is convenient.

As a further preferred embodiment, an eye protector (not shown) is disposed on the headrest 10, a second cushion pad 101 is disposed at a position on the leaning portion of the headrest 10, where the human head leans against the second cushion pad, where the second cushion pad 101 is the same cushion pad as the existing headrest 10, that is, the existing headrest 10 is wrapped with a sponge by a breathable mesh cloth. The leaning part of the headrest 10 is provided with a containing groove for placing the eye shield. Adopt above-mentioned structure setting, the cover glass of setting, the eyes of being convenient for are covered when people's head leans on headrest 10 noon break or eye rest is closed in the top, avoid the highlight to sting the eye and influence the rest. The storage tank (not shown in the figure) that sets up is convenient for the cover glass and is accomodate and deposit, guarantees the clean health of cover glass, does not influence office chair outward appearance simultaneously.

The utility model relates to a multipurpose office chair still has following beneficial effect:

(1) when people that different risees take, the user gives the PLC controller through man-machine interaction panel input instruction, by the work of PLC controller control servo motor, and then drive seat 4 stretches out the removal and moves back at layer board 6 accuracy, make when taking people that different risees can push up the back 5 that leans on the office chair, guarantee to take comfortablely, cooperate through two elastic rod on the headrest 10 and main part support frame 7 interior fixture block 702 of fixture block 701, it is adjustable to realize that the headrest 10 rises at main part support frame 7 height-adjustable, the head that is adapted to people that different risees can both rely on the rest, the correction position of sitting that can be fine, the vertebra of cutting into one's body more, make and use comfortable and reliable. Meanwhile, the headrest 10 is convenient to disassemble and assemble, easy to disassemble and clean, good in structural strength, large in locking force and reliable in connection strength.

(2) The seat surface 4 can bounce up and down along with the supporting plate 6 on the riding support 71 of the main body support frame 7, so that shock absorption is realized, riding fatigue is relieved, and the seat is more comfortable in riding. Meanwhile, the shock absorber is ingenious in design, simple in structure, stable and effective in shock absorption, convenient to assemble and low in cost. In addition, other energy sources are not required to be consumed.

(3) When the human back leans against the backrest 5 for rest, a user inputs signals to the PLC through the human-computer interaction interface, the PLC controls the vibration main body, and the vibration main body vibrates during working and conducts vibration massage on the human back through a plurality of protrusions on the front side face of the silica gel plate. Simple structure, good massage effect, high automation degree, avoiding manual operation and being convenient for popularization and implementation.

(4) When human back leaned on back 5, the user passed through human-computer interaction panel input instruction and gives the PLC controller, and the graphite heating membrane of PLC controller control generates heat, and when the graphite heating membrane generated heat, to the bag with its inside chinese mugwort grass heat, the chinese mugwort grass was heated the gas that sends and can directly act on human two kidneys, reaches the moxa-moxibustion effect, not only promotes blood circulation, still is favorable to warming the kidney, so is more favorable to human health. The graphite heating film with double kidneys is designed to generate heat through human engineering, is suitable for various crowds, and is high in production efficiency, uniform in heating, stable in temperature, high in safety coefficient, refreshing, health-care and good in far infrared medical effect. The graphite heating film adopts human engineering design of 'double kidney' to heat, so that the office chair has good market prospect.

(5) When main part support frame 7 will be heavy burden base 1 rotary motion relatively, the user gives the PLC controller through man-machine interaction panel input instruction, the PLC controller is through the work of automatically controlled first step motor 13, realize automatically controlled main part support frame 7 relative rotary motion on heavy burden base 1, reach under base 1 does not rotate heavy burden, main part support frame 7 heavy burden base 1 top is accurate to be rotated, compare and rotate with traditional office chair manpower drive, it is more laborsaving, more intelligent. In the process of turning to work, the first stepping motor 13 drives the supporting rod 8 to rotate through the miniature worm gear reducer 12, and the miniature worm gear reducer 12 has self-locking performance in structure, so that the problem of reverse rotation cannot occur in the rotating process, and the accuracy of rotating and reversing the main body supporting frame 7 on the load bearing base 1 is ensured.

(6) The user gives the PLC controller through man-machine interaction panel input instruction, and the work of second step motor and driving motor is controlled simultaneously or not to the PLC controller, and second step motor control wheel carrier 05 rotates, realizes accurate control and turns to. Drive axis of rotation 04 through driving motor and rotate, axis of rotation 04 realizes the walking through a pair of walking wheel 03, consequently, the straight line walking and the turn of PLC controller can the direct control office chair realize the intellectuality, do not need the manual work to pass through leg foot drive office chair walking, are favorable to reducing human official working fatigue, promote the convenience that office chair used.

(7) When a user places a cup filled with tea or coffee in the concave pit on the armrest, the user inputs an instruction to the PLC through the human-computer interaction panel, the PLC controls the heating resistor disc to work, the heating resistor disc generates heat during working, heat preservation or heating can be carried out on the teacup, the drinking temperature kept by the tea or the coffee filled in the teacup is guaranteed, and convenience is improved. The trouble of hot coffee or tea making is avoided, the time is saved, the use is convenient, and the work efficiency is improved.

(8) The eye shield is convenient for eyes to shield when the head of a person leans against the headrest 10 for noon break or has a rest when eyes are closed, and the rest is prevented from being influenced by dazzling of strong light. The storage tank that sets up is convenient for the cover glass and is accomodate and deposit, guarantees the clean health of cover glass, does not influence office chair outward appearance simultaneously.

The utility model relates to a multipurpose office chair, it not only can reduce human back fatigue, promotes human waist blood circulation, moreover can electric control turn to and remove the walking.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides a multipurpose office chair, includes heavy burden base, universal caster, two handrail framves, supplies the seat that human buttock was taken and is in the seat rear side and supply the back that the human back relied on, and is in the main part support frame that heavy burden base top and supply seat and back installation, its characterized in that: the supporting plate is horizontally and horizontally arranged on the main body supporting frame, the supporting rod is vertically arranged at the center of the load base, and the upper end part of the supporting rod is fixed with the bottom of the main body supporting frame; the two handrail frames are fixedly arranged on the main body supporting frame and are respectively positioned at the left side and the right side of the supporting plate, the chair seat is horizontally arranged on the supporting plate and is arranged on the supporting plate in a manner of moving back and forth, a PLC (programmable logic controller) and a storage battery are arranged in the chair seat, a damping mechanism for realizing vertical damping of the supporting plate on the main body supporting frame in a floating manner is arranged between the main body supporting frame and the supporting plate, a vibrating mechanism for being arranged corresponding to the back of a human body and massaging the back of the human body in a vibrating manner is arranged in the backrest, a heating device which is positioned below the vibrating mechanism and can heat the waist of the human body to reduce the deficiency of the kidney to cause discomfort is also arranged in the backrest, a power output shaft of the heating device is fixedly arranged on the load bearing base and is connected with the lower end part of the supporting rod, and a steering mechanism which drives, fixed mounting has electric drive on the bottom of heavy burden base the running gear of heavy burden base walking, two arbitrary in the handrail frame fixed mounting has on the handrail frame corresponding input and output electricity on with the PLC controller to supply the human-computer interaction panel of people's operation, the battery with the PLC controller the vibration mechanism the device generates heat running gear with steering mechanism supplies power and connects, the PLC controller respectively with the vibration mechanism the device generates heat steering mechanism with the automatically controlled connection of running gear.

2. A multi-purpose office chair as claimed in claim 1, wherein: two slide rails for driving the chair seat to translate back and forth are arranged on the top surface of the supporting plate, the two slide rails are arranged on the supporting plate side by side from left to right, the bottom of the chair surface is provided with slide blocks which are in one-to-one corresponding sliding fit with the two slide rails, the upper top surface of the supporting plate is also provided with slide rails which are arranged side by side, a screw rod arranged between the two slide rails, two end parts of the screw rod are flush with the slide rails, the top surface of the supporting plate is also provided with a mounting seat for rotatably mounting two end parts of the screw rod, the top surface of the supporting plate is provided with a servo motor with a power output end in transmission connection with one end part of the screw rod extending out of the mounting seat, the servo motor is electrically connected with the corresponding output end of the PLC, and a screw rod nut which is matched with the screw rod and is positioned between the two mounting seats is fixedly arranged at the bottom of the chair seat.

3. A multi-purpose office chair as claimed in claim 2, wherein: the main body support frame comprises a riding support and a back support connected to the back of the riding support, the back is fixed on the front side surface of the back support, the shock absorption mechanism comprises a shock absorption seat and a sealing bag filled with vacuum gas, the shock absorption seat is fixedly arranged on the riding support and positioned below the supporting plate, a pit for the sealing bag to be filled in is concavely arranged on the upper top surface of the shock absorption seat towards the bottom surface, a lower pressing block for pressing the sealing bag downwards is arranged on the bottom surface of the supporting plate, the left side and the right side of the supporting plate are fixedly connected with a guide rod which is vertically arranged and is used for the supporting plate to bounce up and down and play a role in guiding, guide blocks for limiting the lower ends of the guide rods to pass through are fixedly arranged on the left side wall and the right side wall of the shock absorption seat, and a thread section is arranged on the part of the guide, and a nut for abutting the lower surface of the guide block against the lower surface of the supporting plate to jump upwards and limit the supporting plate is screwed on the lower end of the guide rod.

4. A multi-purpose office chair as claimed in claim 2, wherein: the utility model discloses a chair backrest, including main part support frame, back, head, lower tip, the lower tip of back, main part support frame, the upper portion edge of back corresponding to disassemble and be connected with the head rest, the head rest has the top that supplies human to rely on and just supplies side by side the head rest is in two elastic rod of lift adjustment on the top of back, two the lower tip on the elastic rod all to two kickup between the elastic rod, be provided with two elastic rod matched with cassette on the main part support frame, have on the cassette and supply two the vertical passageway that runs through of elastic rod, be provided with in the passageway relative arrangement and be used for on the cassette the elastic rod joint complex fixture block, two all be provided with on the elastic rod and be in two the pit of outside and equidistant interval arrangement between the elastic rod, two the fixture block has the projection of relative.

5. A multi-purpose office chair as claimed in claim 3, wherein: the improved chair is characterized in that a first cushion pad is bonded on each of the two armrest frames, a pit for placing a teacup is formed in each armrest frame or any one of the armrest frames, the pit is located outside the area right above the chair surface, heating resistance pieces are arranged on the inner wall and the bottom of the pit, and the heating resistance pieces are electrically connected with the PLC.

6. A multipurpose office chair as claimed in any one of claims 1 to 5, wherein: the vibration mechanism includes vibration main part, base plate, silica gel board and is square vibration frame, vibration main part fixed mounting be in the vibration frame, vibration frame with main part support frame fixed connection, vibration frame with be provided with between the main part support frame and be used for avoiding resonant elastic sponge and soft silica gel pad, what the base plate erect is fixed vibration frame's front side, the silica gel board passes through the glue bonding and is in on the leading flank of base plate, the leading flank on the silica gel board is provided with a plurality of archs, bellied surface is the hemisphere ball, vibration main part electricity is connected the corresponding output of PLC controller.

7. The multipurpose office chair of claim 6, wherein: the heating device comprises a graphite heating film and two bags provided with wormwood, the two bags are sewn in the backrest and are arranged corresponding to the kidneys of the human body, air outlet holes are formed in the parts, corresponding to the kidneys of the human body, of the bags, a pushing block used for pushing the backrest to arch forwards is arranged on the main body supporting frame, the graphite heating film is located in the backrest and is fastened with the pushing block through bolts, the two bags are tightly attached to the surface of the graphite heating film, and the graphite heating film is connected with the corresponding output end of the PLC in a guiding mode.

8. A multi-purpose office chair as claimed in claim 7, wherein: the steering mechanism comprises a first stepping motor and a horizontal miniature worm gear reducer, the miniature worm gear reducer is fixed at the center of the load base, a power input shaft and a power output shaft are arranged on the miniature worm gear reducer, the power output shaft of the miniature worm gear reducer faces upwards, the axial direction of the support rod is the same as that of the power output shaft of the miniature worm gear reducer, and the lower end part of the support rod is fixedly connected with the power output shaft of the miniature worm gear reducer; the first stepping motor is fixedly arranged on the load base, and a power output shaft of the first stepping motor is in transmission connection with a power input shaft on the miniature worm gear speed reducer; and the first stepping motor is electrically connected with the corresponding output end of the PLC controller.

9. A multi-purpose office chair as claimed in claim 8, wherein: the traveling mechanism comprises a shell, a steering wheel, a pair of traveling wheels, a rotating shaft, a second stepping motor and a driving motor, the shell is fixedly arranged at the bottom of the center of the load-bearing base, the second stepping motor and the driving motor are both arranged at the bottom of the inner side of the shell, the rotating shaft is horizontally arranged and is positioned at the bottom of the inner side of the shell, and two end parts of the rotating shaft extend out of the shell; the travelling wheels are fixedly arranged on two end parts of the rotating shaft respectively, a power output shaft of the driving motor is in transmission connection with the rotating shaft through a first transmission assembly, a wheel carrier is rotatably arranged on the casing, the steering wheel is rotatably arranged in the wheel carrier, a shaft rod penetrating into the casing is arranged on the wheel carrier, and the shaft rod is in transmission connection with a power output shaft of the second stepping motor through a second transmission assembly; and the second stepping motor and the driving motor are respectively and electrically connected with the corresponding output ends of the PLC.

10. The multipurpose office chair of claim 4, wherein: the eye shield is arranged on the headrest, a second cushion pad is arranged at a position, on the top leaning part of the headrest, of the human head, and a containing groove for containing the eye shield is formed in the top leaning part of the headrest.