58results about How to "Does not affect cleanliness" patented technology

The invention discloses an electric cooker and a control method thereof. The electric cooker comprises a cooker body in which a heater is arranged, a cover which covers the cooker body to limit a cooking cavity with the cooker body, a foam breaking device for breaking foam generated in the cooking cavity, and a controller which is connected with the heater and the foam breaking device to control the foam breaking device to break foam as well as heating the heater to heat in a full-power heating mode at the heating stage of the electric cooker. According to the electric cooker, the foam breaking device is additionally arranged to break the foam generated in the cooking cavity, and synchronously the heater can heat with full power in the heating state, so that the phenomenon that foam overflows can be avoided; the cooking time is decreased, and the cooked rice or porridge tastes great.

The invention discloses a control method of a fluorine-pump primary loop server cabinet heat radiation system. The fluorine-pump primary loop server cabinet heat radiation system comprises a machine room unit and a refrigerant fluorine supplying and returning unit, wherein the refrigerant fluorine supplying and returning unit comprises a circulating power unit and a cooling unit; and the machine room unit, the circulating power unit and the cooling unit are connected in sequence to form closed circulation. The control method of the fluorine-pump primary loop server cabinet heat radiation system achieves short-distance accurate transport of cool air of a cabinet, and solves problems of local overheat and existence of hot spots of the server cabinet; meanwhile, a natural cooling measure is adopted so that heat exchange temperature difference is huge and efficiency is high; and active condensation prevention is adopted, so that the system has the advantages of high reliability, low power consumption and low noise, and satisfies an energy saving and environment protecting concept.

The invention discloses an electric cooker. The electric cooker comprises a pot body, a pot cover and a window cover. The pot cover is used for covering the pot body, and the pot cover is provided with a vapor discharging window. The window cover is arranged on the pot cover and used for opening or closing the vapor discharging window. According to the electric cooker, the pot cover is provided with the vapor discharging window, the vapor discharging window is provided with the window cover, the window cover is opened when foam is formed, the foam formed in a cooking cavity can be greatly reduced, so that foam overflowing is reduced, hence, the sanitation and the cleanliness of the electric cooker cannot be affected, electrical elements of the electric cooker cannot be damaged easily, and therefore the reliability and the safety of the electric cooker are high.

The invention discloses a heat-pipe internal-circulation secondary refrigerant loop server cabinet heat radiation system which comprises a machine room unit and a refrigerant fluorine supplying and returning unit, the refrigerant fluorine supplying and returning unit comprises a circulating power unit and a cooling unit, and the circulating power unit forms closed circulation with the machine room unit through a first refrigerant loop and forms closed circulation with the cooling unit through a second refrigerant loop. The system realizes short-distance accurate transportation of cool air of a cabinet and solves problems of local overheat and existence of hot spots of the server cabinet ; and, at the same time, a natural cooling measure is used so that a heat exchange temperature difference is huge and efficiency is high, and active anti-condensation is adopted so that the system has the advantages of high reliability, low power consumption and low noise and satisfies an energy saving and environment protecting concept.

The invention discloses a lens position adjusting mechanism for an optical system. The lens position adjusting mechanism comprises an objective lens, a flat lens fixing seat, an axicon fixing seat, anouter sleeve and an axicon adjusting sleeve, and one end of the outer sleeve is axially limited and connected with the end part of the objective lens, the inner wall of the outer sleeve is in threaded connection with the outer wall of the flat lens fixing seat, the other end of the flat lens fixing seat is fixedly connected with one end of the axicon adjusting sleeve, the inner wall of the axiconadjusting sleeve is in threaded connection with the outer wall of the axicon fixing seat, a first flat key structure is arranged between the outer sleeve and the flat lens fixing seat, a second flatkey structure is arranged between the axicon adjusting sleeve and the axicon fixing seat, the end part of the objective lens is fixedly connected with one end of the first flat key structure, and theother end of the axicon adjusting sleeve is axially limited and connected with the second flat key structure. The lens position adjusting mechanism is compact in structure, the adjusting of the relative position of an internal optical lens can be realized only by adjusting the outer sleeve and rotating an adjusting knob, and the adjusting is simple and easy to implement.

The invention discloses a disassembly tool for a bowl-shaped plug. The disassembly tool comprises a lower clamping seat, an upper clamping seat, a pin shaft, a sliding rod and a sliding hammer; the main body structure of the lower clamping seat is a lower clamping seat semicircle body, two semicircular lower hinge seats are arranged on the bipartition plane of the lower clamping seat semicircle body, and a semicircular lower clamping seat protrusion is arranged on the semicircle face head of the lower clamping seat semicircle body; the main body structure of the upper clamping seat is an upperclamping seat semicircle body, a semicircular upper hinge seat is arranged on the bipartition plane of the upper clamping seat semicircle body, and a semicircular upper clamping seat protrusion is arranged on the semicircle face head of the upper clamping seat semicircle body; the pin shaft penetrates through lower hinge pin holes in the lower hinge seat and an upper hinge pin hole in the upper hinge seat simultaneously; the head of the sliding rod is connected with the tail end of the lower clamping seat, and the tail of the sliding rod is provide with a thrust boss; and the sliding hammer is mounted on a rod body of the sliding rod in a sleeving mode, and the sliding hammer can slide on the rod body in the front-rear direction and is limited through the thrust boss. According to the disassembly tool, the disassembly efficiency of the bowl-shaped plug is improved.

The invention provides a concealable plugboard which is used in the field of wiring equipment. An installation body (1) of the plugboard is fixedly installedin a wall (3), and a plugboard body (2) is arranged to be a structure which can draw back into and stretch out of an installation cavity (4) of the installation body (1). A telescoping spring is installed between a cavity bottom surface (5) of the installation cavity (4) and the back surface (6) of the plugboard body (2). The lower surface of the plugboard body (2) is provided with a groove (8), and a lower panel surface (9) of the installation body (1) is provided with an opened part (10). The interior of the opened part (10) is provided with an installation pulling piece (13), and the installation pulling piece (13) and a push spring (14) is disposed between the internal surface of the opened part (10). The plugboard is simple in structure, can conveniently and quickly achieve the stretching-out and drawing-back of the plugboard body (2) out of and into the installation cavity (4) of the installation body (1), achieves the hiding function, and effectively improves the application safety.

Disclosed is externally used fibrauretine liquid for gynaecology and oral cavity, wherein the preparation essentially comprises fibrauretine as active constituent, and balancing adjuvant and water for preparing the externally used liquid preparation, the fibrauretine is alkaloid extracted from natural plant of fibraurea stem, calculated by dried product, it comprises Palmatine Hydrochloride C21H21O.HCl 20-98%. The dosage type includes externally used liquid lotion or liniment, foam aerosol, ointment, gargle or spray.

The invention discloses a water-supply water-return dual-loop cooling circulation system. The circulation system comprises an inner circulation system containing a cooled unit, and an outer circulation system containing a cooling unit, wherein the inner circulation system and the outer circulation system are connected through a middle heat exchange unit to realize the heat exchange between the inner circulation system and the outer circulation system; and the inner circulation system and the outer circulation system adopt the loop design, so that a refrigerating medium can flow in the pipeline in a bidirectional manner. The water-supply water-return dual-loop cooling circulation system is capable of realizing accurate refrigerating, rapid and convenient to install and maintain, and capable of avoiding one-way leakage or avoiding a condition that the pipeline cut-off system cannot be operated normally in maintenance.

The invention relates to a wall-mounted picture-frame type safe power distribution box, which comprises a box shell assembly, a framework assembly, a decorative picture-frame assembly, a power distribution facility mounting rack, and a security door containing an internal door and an external door, wherein a box shell frame plate is provided with an inlet-outlet wire knock-off hole, a middle base plate is provided with an assembling screw rod, the framework assembly is arranged in a box shell cavity through the assembling screw rod, the power distribution facility mounting rack is arranged in a framework through a guide rail, the decorative picture-frame assembly is in assembling connection with the framework through bolts, the internal door is made of a non-transparent material and is provided with a pull handle and a working condition observation window hole, and the external door is made of transparent glass and is provided with a locking pull handle and a metal fit strip. Because the power distribution box is provided with the decorative picture-frame assembly and is embedded in the wall, has attractive appearance, and is advantageous for integrative design and synchronous construction during indoor decoration of a building to bring an effect of attractive decoration; besides, through the security door, the internal working conditions can be observed directly so that the power distribution box is convenient for management and has strong practicability.

Disclosed are juvenile abalone fodder and a preparation method thereof. The juvenile abalone fodder comprises white fishmeal, sargassum fusiforme powder, kelp powder, gracilaria lemaneiformis powder, undaria pinnatifida powder, sargassum thunbergii powder, cylindrotheca powder, haematococcus pluvialis powder, diatom powder, schizochytrium powder, sodium alginate, fucoidin, mannitol, schizochytrium oil, chlorella oil, chaetoceros mulleri oil, zinc sulfate medical stone powder, VB2, inositol, vitamin-C phosphate magnesium, VA, VD3, calcium pantothenate, and zeolite powder. The method includes uniformly mixing and sieving all the powder, adding dissolved sodium alginate to mix to obtain bio-material, feeding the bio-material into a double-axis differential tempering machine to obtain ripe materials, expanding and shaping into wet flake fodder, and drying the flake fodder, pouring schizochytrium oil and then spraying and filming; drying in vacuum to obtain flake fodder. The fodder can meet the nutrition needs of juvenile abalone, is beneficial to invigorating juvenile abalone, promoting growth and increasing survival rate.

The invention discloses a bamboo carbon rod fiber mattress and a preparation method; the bamboo carbon grains are prepared as bamboo carbon rods; round holes are prepared in the middle of the fiber mattress; the prepared bamboo carbon rod is arranged into the round holes of the fiber mattress; the mattress uses solid bamboo carbon rods or cylindrical bamboo carbon rods made of purely natural bamboo carbon and uses special technology for processing so as to be prepared; the mattress is provided with a certain elasticity; when being arranged in the round holes of the mattress, the elasticity and softness of the mattress are not affected; on the basis of keeping the comfortableness of the original fiber mattress, the bamboo carbon is added, thus leading the mattress to have the functions of anti-moisture, anti-mildew, deodorization and air purification and keeping the dryness and cleanness of the mattress. The mattress has the advantages that the bamboo carbon inside the mattress can be replaced, the efficacy of the bamboo carbon can be sufficiently exerted, dryness and cleanness of the mattress can be kept, and the like, and is applicable to the mattress prepared by various natural fiber mattress such as arenga engleri fiber, oil palm fiber, coconut fiber, linen fiber, bamboo fiber, etc.

The invention discloses a rust prevention treatment solution for transmission case inner walls, which is composed of the following components in percentage by weight: 8-10% of oxalic acid, 7-9% of triethanolamine, 5-7% of citric acid, 6-8% of sodium petroleum sulfonate, 5.5-6.5% of fatty alcohol polyethenoxy ether, 3-5% of ammonium molybdate, 2-4% of sodium benzoate, 1.5-2.5% of sodium hydroxide, 2-4% of industrial alcohol, 1.5-3.5% of ethylene glycol and the balance of water.

The present invention discloses a precise adjustment lens frame for a large-aperture optical element. The precise adjustment lens frame comprises a mounting assembly and an adjusting mechanism; the adjusting mechanism comprises a deflection assembly and a pitching assembly; the mounting assembly is used for fixing the optical element; the deflection assembly comprises a second layer plate and a deflection driving component; the pitching assembly comprises a third layer plate and a pitching driving component; the first layer plate, the second layer plate and the third layer plate are sequentially arranged from top to bottom; the first layer plate and the second layer plate are rotatably connected with each other; the second layer plate is provided with the deflection driving component whichdrives the first layer plate to perform deflection movement; the lower plate surface of the second layer plate is provided with arc-shaped guide rails; the upper plate surface of the third layer plate is provided with cushion blocks in pairs; and the arc-shaped guide rails slide on the cushion blocks, so that the pitching driving component drives the second layer plate to perform pitching motion.The adjusting mechanism of the lens frame provided by the present invention is arranged below the optical lens, and therefore, space can be saved, a light path will not be interfered, and the cleanliness of the optical element will not be influenced; and load bearing is concentrated below the optical element, the optical element does not bear load, and therefore, the optical element can be effectively protected.

The invention relates to a window for a clean room with a function of electromagnetic shielding, which comprises at least one layer of transparent luffer board which is embedded into a shielding shell of the clean room. The window also comprises at least one metal mesh and at least one annular panel, wherein the metal mesh completely covers the luffer board, and the whole boundary of the metal mesh contacts the shielding shell by means of electric conduction; and the panel completely covers a joint of the luffer board and the shielding shell and is simultaneously hermetically connected with the luffer board and the shielding shell. The clean shielding window meets the B-level index of the shield effectiveness and has wide application scope. The mounting structure of the window can not influence the cleanliness of the clean room; the sealing principle of the window is basically the same as that of a common clean room; and the transparency of the window is between 30 and 80 percent by selection of different metallic shielding windows according to different requirements of shielding levels.

The invention discloses an indoor energy-saving type environment purification intelligent regulation and control device and belongs to the technical field of intelligent regulation and control. The system comprises an indoor temperature sensor used for detecting indoor temperature, an indoor humidity sensor used for detecting indoor humidity, an outdoor temperature sensor used for detecting outdoor temperature, an outdoor humidity sensor used for detecting outdoor humidity, a temperature adjusting assembly used for adjusting the indoor temperature, a humidity adjusting assembly used for adjusting the indoor humidity and a control module; and the indoor temperature sensor, the indoor humidity sensor, the outdoor temperature sensor, the outdoor humidity sensor, the temperature adjusting assembly and the humidity adjusting assembly are all connected with the control module. According to the indoor energy-saving type environment purification intelligent regulation and control device of theinvention, the indoor temperature and humidity are monitored in real time through the indoor temperature sensor and the indoor humidity sensor; measured data are processed; the temperature adjustingassembly and the humidity adjusting assembly are intelligently controlled according to a processing result, so that the automatic adjustment of the temperature and the humidity is achieved; frequent routing inspection of operators is not needed; and it is guaranteed that indoor equipment is in a good working environment.

The invention discloses a device with functions of mobile phone wireless charging, interface expansion and smart ordering and a control method of the device. The device comprises a box body, an auxiliary power supply device, an electric energy emitting device, a detection device, a wireless data transmission device, a touch screen device, an intelligent controller, a power interface and a mobile phone placement device, wherein the auxiliary power supply device is located in the box body and supplies electric energy to the whole device; the electric energy emitting device is used for emitting electric energy to a mobile phone; the detection device detects charging voltage and charging current signals of the electric energy emitting device and pressure signals of the mobile phone placement device and transmits the detected signals to the intelligent controller; the wireless data transmission device is connected with the touch screen device and is in wireless data butt joint with the mobile phone; the touch screen device is used for information input and display; the intelligent controller controls the whole device; the power interface is connected with the auxiliary power supply device; the mobile phone placement device is arranged above the electric energy emitting device. According to the device, charging time can be saved, charging efficiency can be improved, furthermore, influence of over-charging current is eradicated through the coordination control, and maximum-power safety charging of the charging system can be realized.

The invention discloses a device for hiding a scratchproof inductive antenna of an automobile after use, which belongs to the technical field of installation of a scratchproof warning device of the automobile, and aims to overcome the defects of the technical scheme of a Chinese patent(201020121280.9) 'antenna-type inductive scratchproof device of automobile ' that when in operation, the cleanness of the automobile is affected, the sensitivity of a contact is influenced or event loses efficacy because an antenna-type inductive piece is easy to be spotted with dust, and the like. The device disclosed by the invention comprises the antenna-type inductive piece and a guide line, wherein the antenna-type inductive piece is electrically connected with a battery, a switch and a buzzer through the guide line, a base plate is arranged, a shaft is connected onto the base plate, a rotating sleeve can be rotatably arranged on the shaft, and the antenna-type inductive piece is arranged on the rotating sleeve. The device disclosed by the invention is applied to the installation of the antenna-type inductive scratchproof device of the automobile.

The invention discloses an adjusting device converting a circular beam into an elliptical beam. The adjusting device comprises an optical part and a mechanical part, one end of an optical fiber is used for connecting optical fiber heads, a first plano-convex lens and a plano-concave cylindrical mirror are installed in an cavity of the optical fiber joint at intervals, the end cover and the fixingsleeve tube sleeve the head of the optical fiber joint, a threaded sleeve tube sleeves the fixing sleeve tube, and the threaded sleeve tube and the optical fiber joint are connected through a T-shapedthread which penetrates through the fixing sleeve tube; a plano-convex cylindrical mirror and a second plano-convex lens are installed in a cavity of an adjusting sleeve tube at intervals, a plano-concave lens is installed in a cavity of a plano-concave lens seat, and the other end of the adjusting sleeve tube is in threaded connection with the plano-concave lens seat. The device has the advantages that the circular beam output by a laser device can be rapidly converted into the elliptical beam, the overall adjustment is simple, the implementation is easy, the production cost can be effectively reduced, the production efficiency can be effectively improved, processing demands on objects of different shapes can be achieved, and the processing quality level is greatly improved.

The invention discloses a preparation method of a rust-proof treatment fluid for an inner wall of a gearbox. The rust-proof treatment fluid consists of the following components in percentage by weight: 8-10% of oxalic acid, 7-9% of triethanolamine, 5-7% of citric acid, 6-8% of petroleum sodium sulfonate, 5.5-6.5% of fatty alcohol-polyoxyethylene ether, 3-5% of ammonium molybdate, 2-4% of sodium benzoate, 1.5-2.5% of sodium hydroxide, 2-4% of industrial alcohol, 1.5-3.5% of ethylene glycol and the balance of water. The preparation method comprises the following steps: 1) adding the industrial alcohol and the ethylene glycol into a container, and then adding the triethanolamine and the fatty alcohol-polyoxyethylene ether, and stirring to uniformly dissolve the triethanolamine and the fatty alcohol-polyoxyethylene ether; and 2) adding an appropriate amount of water into another container, then adding the oxalic acid, the citric acid, the petroleum sodium sulfonate, the ammonium molybdate, the sodium benzoate and the sodium hydroxide in sequence, stirring for 3-5 minutes, stirring for 10-15 minutes after adding the sodium hydroxide, adding a solution prepared in the step 1), then adding the rest water and uniformly stirring.

The invention provides an LED light mirror provided with a light strip storage structure. According to the LED light mirror, first, a mirror cabinet is arranged, a cavity is formed in the side end face of the mirror cabinet, a guide rail component extending in the horizontal direction is fixedly installed in the cavity, a storage box is installed on the guide rail component in a sliding mode, a first storage space and a second storage space are formed in the storage box and are arranged sequentially from the bottom of the cavity to the outside, a light strip is detachably installed in the first storage space, a limit rod is arranged at one side of the light strip, at least two clamping pieces are fixedly connected to one side of the cavity, and the position of the limit rod correspond to the positions of the clamping pieces. Compared with the prior art, the storage structure capable of being rapidly dismantled and installed is provided for the light strip in the LED light mirror, and convenience is provided for early installation and later maintenance; and meanwhile, the hidden storage spaces are additionally arranged for the LED light mirror, so that the neatness of the appearanceof the LED light mirror is not influenced while the storage spaces are increased.

The invention discloses a shoe cabinet capable of cleaning shoe soles and removing moisture and peculiar smell. The shoe cabinet comprises an equipment box body, a working cavity is fixedly connected in the equipment box body, and a pressure cavity is fixedly connected to the end face of the lower side of the working cavity. According to the shoe cabinet capable of cleaning shoe soles and removing moisture and peculiar smell, footwear is stably placed in the shoe cabinet through a placing table, cleaning wheels are driven to decontaminate shoe soles, shoe vamps are kept clean, meanwhile, the cleaning wheels are made to move back and forth in a reciprocating mode through a sliding groove structure, the cleaning efficiency is improved, an air device is started, a fan is used for generating pressure difference to suck air, and air in the shoe cabinet is purified. Moisture in the cabinet and peculiar smells generated by shoes are removed through a filter screen, air filtered by the air device is heated, air is blown into the shoes through a spray head on the lower side of a touch pressing plate, sweat generated by feet in the shoes is dried, peculiar smells generated in the shoes are removed quickly, and people feel more comfortable when wearing the shoes subsequently.

The invention relates to the field of computers, and discloses keyboard and mouse integrated computer input equipment which comprises a keyboard body and a mouse body; a second data line of the mousebody is connected into the keyboard body, and a first data line of the keyboard body serves as a main input line for connecting the keyboard body and the mouse body with a computer. The keyboard bodyis provided with a take-up assembly. The winding roller can be driven to rotate through the self-recovery capacity of the clockwork spring, the first data line can be effectively collected into the take-up box, it is avoided that the first data line and other connecting lines are intertwined and are difficult to process, and it is also avoided that the first data line is exposed outside for a longtime and damaged; a sliding groove is formed in the bottom of the mouse body, an extension plate is slidably connected into the sliding groove, a concave hole is fixedly formed in the side wall of the sliding groove, and a ball spring positioning pin is fixedly installed on the side wall of the extension plate and matched with the concave hole.

The invention discloses an electric cooker. The electric cooker comprises a pot body, a pot cover, a cover opening mechanism and a foam detector. The pot cover is used for covering the pot body, so that the pot cover and the pot body define a cooking cavity. The cover opening mechanism is mounted on the pot body and is connected with the pot cover so as to open or close the pot cover. The foam detector is used for detecting foam in the cooking cavity, the cover opening mechanism is connected with the foam detector, and accordingly the pot cover can be opened when the foam is detected by the foam detector. According to the electric cooker, the foam in the cooking cavity is greatly reduced, so that foam overflowing is reduced, and thus the sanitation and the cleanliness of the electric cooker cannot be affected; moreover, electrical elements of the electric cooker cannot be damaged easily, and therefore the reliability and the safety of the electric cooker are high; in addition, due to the arrangement of the foam detector, whether foam is generated in the cooking cavity or not can be monitored in real time, the pot cover can be controlled to be opened and closed in real time, and control is accurate.

The invention discloses a stone cutting machine cooling water recycling device, which comprises a cabinet, wherein a cooling water circulating cavity is formed in the cabinet, a cutting device is arranged on the end surface of the upper side of the cooling water circulating cavity, and is used for cutting stone, a cooling water recovery device for supplying cooling water to the cutting device is arranged in the cooling water circulating cavity, and can recover cooling water, a filtering device positioned on the right side of the cooling water recovery device is arranged in the cooling water circulating cavity, and is used for filtering the recovered cooling water, and an automatic backwashing device capable of automatically detecting whether a filtering core needs to be backwashed is arranged in the cooling water circulating cavity. The stone cutting machine cooling water recycling device has the advantages that cutting cooling water can be recycled so as to substantially reduce the water resource required in a cutting process, so the waste of water resources is reduced, and the cleanness of the processing environment is not influenced.

The invention relates to a quadruple high pressure rotary jet grouting technology which comprises the following steps that firstly, a water pump of a background subsidiary tool conveys high flow of drilling media to a foreground subsidiary tool, the drilling media are conveyed to drilling parts of quadruple drill bits through a quadruple flow distributor and a large channel in a drill rod, and cutting, cooling and slagging are carried out; secondly, after a set depth is drilled to, conveying of the high flow of drilling media is stopped; thirdly, a drilling tool is carried and lifted upwards through power of a drilling machine and carries out rotary motion, meanwhile, the background subsidiary tool conveys cement paste, water and compressed air, and the media are conveyed to rotary jet grouting parts of the quadruple drill bits through the quadruple flow distributor and the drill rod to carry out rotary jet grouting work; fourthly, along with rotary lifting of the drilling tool, high pressure water, gas and slurry cut, stir and fill a soil body, and finally a cement soil mixed cylinder is formed. Construction efficiency is improved, and the drilling difficulty of complex formation can be overcome.

The invention provides a multifunctional table for mechanical drawing, which comprises a support, a supporting plate, a supporting assembly, a plurality of first elastic line and a plurality of second elastic line, the supporting plate, the supporting assembly, the first elastic lines and the second elastic line are arranged on the support in a pivoted mode, and the supporting assembly comprises a supporting piece arranged on the back face of the supporting plate in a pivoted mode and a plurality of positioning parts arranged on the support. The bottom end of the supporting piece can be inserted into one positioning part, the first elastic lines are vertically connected between the upper side and the lower side of the supporting plate, and the first elastic lines are arranged in the length direction of the supporting plate at intervals; the second elastic lines are transversely connected between the left side and the right side of the supporting plate, and the second elastic lines are arranged in the width direction of the supporting plate at intervals. According to the multifunctional table for mechanical drawing, through orthogonal arrangement of the first elastic lines and the second elastic lines, drawing paper can be divided into a plurality of drawing areas, so that an auxiliary effect is achieved when students manually and mechanically draw, and the drawing effect is better.

The invention discloses an office chair with fitness-training and massaging functions and relates to the field of fitness instruments for offices, in particular to an office chair with fitness-training and massaging functions. The office chair comprises a chair body, a pedal assembly and a massage assembly, and is characterized in that a sprocket of the pedal assembly is connected to a pedal support through a pedal shaft, the pedal shaft sleeves a rotation shaft which is arranged on a chair base support, and the massage assembly is driven to move by movements of the pedal assembly. The office chair is suitable for office staff who are always busy; by the office chair, a user can work with thinking while stepping the pedal assembly with legs to drive the massage assembly to massage the whole body so as to achieve smooth body blood vessels and achieve health care in terms of fitness training and massage; during use of the office chair which is flexible to control, the user can regulate massage direction and frequency by changing his stepping direction and speed, and can store the pedal assembly into a space under the seat of the chair at any time, thus, no affection is caused to the cleanness of office area.