55results about How to "Beautiful appearance design" patented technology

The invention relates to an air-fryer oven, aiming at solving the technical problems in the existing congeneric products such as the poor, structural design of the rotating cage of side-door oven, theinability of using rotating cage and the oil filter net at the same time, the poor effect of cold and hot air circulation, and the convenient disassembling and cleaning of the side door. A shell dooris arranged at the opening of one side of the machine body of the oven, inner brackets are arranged on the inner walls of the three sides of the cover shell body, support frames are symmetrically arranged at the front opening of the inner brackets, a base shell and an inner bottom plate are arranged at the bottom inside the cover shell body, and a rotating cage is arranged in the machine body; The air-fryer oven is characterized in that a belt motor is arranged on the top inner cover of one side of the front opening of the cover shell body, the belt motor on one side of the top inner cover isconnected with a belt pulley on one side of the central shaft of the rotating cage through a belt, the other side of the central shaft is fixedly buckled on a first shaft block of the inner wall of the inner bracket, the center shaft of the rotating cage is arranged at the end cover at two sides of the rotating cage, the rotating cage is provided with a rotating cage door, the shell door is buckled and hinged with the base shell through a sliding buckle, the inner wall of the inner bracket is provided with a lighting lamp, and the hot air in the machine body is circulated through the shell door.

The invention relates to a door sheet of a water-tank-type dish washing machine.The door sheet is designed for solving the technical problem that a control panel and a door sheet of an existing like product can not be integrally arranged.A lining is arranged on the inner lateral side of the bottom of a sheet body of the door sheet of the dish washing machine, a protruding foaming lining bag is arranged on the lining, an annular edge groove is formed in the edge of the protruding foaming lining bag, a transparent window is arranged at the portion, on the outer lateral side of the top of the sheet body, between the sheet body and the lining and corresponds to a sealing window hole of the lining, and a hinged border is arranged on one side of the sheet body and connected with the sheet body into a whole.The door sheet is characterized in that a control panel is arranged on the side, opposite to the hinged border, of the sheet body and provided with touch keys and a digital display screen, a circuit box of the control panel is arranged in a cavity between the sheet body and the lining, a sealing cover plate is arranged at the portion, corresponding to the circuit box, of the lining, and a circuit of the circuit box extends into a box through a sealed wire hole in he hinged border; an upwards-warping arc handle edge is arranged on the side, opposite to the hinged border, of the sheet body and connected with the sheet body into a whole.

Provided are an elastic thread setting method in an endoloop and an elastic thread endoloop. The elastic thread setting method comprises the steps that one or more elastic threads are arranged along the outer wall of an endoloop spearhead, one or more threading holes is formed in the outer wall of the front end of the spearhead, the front ends of the elastic threads penetrate into the corresponding second ports of the threading holes, penetrate through the threading holes and penetrate out of the corresponding first ports of the threading holes, elastic thread loops are formed in a slipknot mode, the loops are reversely arranged on the outer wall of the front end of the spearhead in a sleeving mode, and the pore diameter of each threading hole is larger than the diameter of the corresponding elastic thread and smaller than the diameter of the knot point of the corresponding slipknot; when the tail ends of the elastic threads are tightened to make the loops get away from the pipe orifice of the spearhead and the knot points of the slipknots are tightened to the first pores, the first pores are taken as acting points, and the elastic threads are continuously tightened to make the pore diameters of the elastic thread loops gradually shortened. The invention further discloses the elastic thread endoloop using the setting method, the structure is simple, operation is convenient, an operation can be completed by one person, misoperation can be avoided, the wound surface of target tissues after the operation is extremely small, and postoperative complications and the probability of bleeding can be reduced.

The invention discloses a wine bucket shaped loudspeaker box, comprising a loudspeaker box body and a loudspeaker box bracket; the loudspeaker box body comprises a wine bucket shaped box body and a loudspeaker arranged at the front end surface of the box body, a phase-reversing tube is arranged in the box body, a phase-reversing hole is arranged at the rear end surface of the box body, one end of the phase-reversing tube is arranged at the position of the phase-reversing hole and is vertically and fixedly connected with the rear end surface of the box body, the loudspeaker is electrically connected with an external sound source by a loudspeaker wiring terminal, wave mode sound absorption wool is arranged on the inner wall of the box body, the wine bucket shaped loudspeaker box eliminates the harmonic distortion and resonance of tone quality, caused by flat box body surfaces and edge corners of a common resonance, increases low-frequency diving power and reduces nonlinear distortion of audio frequency, the design of the wine bucket shaped box body changes the disadvantage that the common loudspeaker box has poor shock resistance, promotes the mechanical property of the loudspeaker box structure and can support high audio-frequency power; in addition, the wine bucket shaped appearance design of the loudspeaker box is artistic and elegant, and the function and the decoration are perfectly combined.

The invention discloses snow shelter for connecting bridges between tunnels, comprising two groups of movable telescopic snow shelters which are constructed on the connecting bridges between two tunnels, have opposite positions and can be respectively expanded from the tail parts of bridge heads to the middle parts of the bridges along a traveling direction; the movable type telescopic snow shelters comprise fixed sheds installed on tunnel portals and movable sheds which can be contracted into and extended out of the inner sides or the outer sides of the fixed sheds; the fixed sheds are archsnow shelter bodies 1 constructed between the left sides and the right sides of the bridges; and the movable sheds comprise arch snow shelter bodies 2, walking wheels installed below the left sides and the right sides of the arch snow shelter bodies 2, a drive motor driving the walking wheels to move back and forth, a power supply device and a control device controlling the rotational speed and the rotation direction of the drive motor. The invention has attractive appearance, reasonable structure, low construction difficulty, convenient operation and good use effect and also can solve two main problems of low adhesion force of the bridge faces of the connecting bridges between the tunnels at the weather of rain and snow and large drop of the irradiation intensity of the inlets and the outlets of the tunnels.

The invention relates to an air fryer which is designed in order to solve the technical problems that for existing similar products, the structural design is poor, and the safety and oil filtration structure need to be further improved. A fryer cover, an inner fryer, an outer fryer and a handle of the air fryer are connected into a whole to form a fryer body, and an upper machine shell, a lower machine shell and a base are connected into a whole to form a machine body; the air fryer is characterized in that an oil-filter screen is arranged at the bottom of the inner diameter of the inner fryer, the oil-filter screen is fixed to an elastic sheet arranged at the inner diameter of a port of the inner fryer; the handle and the fryer cover are connected into a whole through a lock hook plate which is shaped like an L, one end of the hook part extends into the fryer cover and is buckled with sheet metal of the inner wall of the fryer cover, the other end abuts against a lock piece through a cocked sleeve, and the handle side of the lock piece is cocked; when the lock piece is pressed, the warped sleeve drives the lock hook plate to rotate. When the fryer body is put into the machine body, a shell hook of the fryer cover is buckled with a hook hole of the base; a sphere cylinder plate is arranged on the upper machine shell corresponding to a limiting diagonal bar of the handle, a limiting sphere cylinder in the upper machine shell extends out of the sphere cylinder plate through a spring and abuts against the inclined plane side of the limiting diagonal bar.

The invention provides a setting method of an elastic thread in an ejection type ligation device and an elastic thread ligation device. The setting method of the elastic thread comprises steps as follows: a loop is formed by the front end of the elastic thread in a slipknot form, the loop is arranged in a loop push piece at the front end of a gun head in a sleeving manner, a slipknot of the loop is clamped outside a thread clamping groove in the front end of the loop push piece, the elastic thread is arranged in the thread clamping groove, and the tail end of the elastic thread is finally clamped into a clamping groove in a gun handle and fixed in a direction of a gun barrel; the loop push piece is propped against an infected part, when an ejection block drives the loop push piece to move forwards, the loop is enabled to be separated from the loop push piece and is arranged on the infected part in a sleeving manner, the tail end of the elastic thread is taken down and tightened, the slipknot of the loop is propped by the thread clamping groove of the loop push piece, and the elastic thread is continuously tightened, so that the pore diameter of the loop of the elastic thread is reduced gradually. The invention further provides an ejection type elastic thread ligation device adopting the method. The ejection type elastic thread ligation device is simple in structure, convenient to operate, accurate in operation and applicable to treatment of hemorrhoids and other anorectal diseases, a wound surface of postoperative target tissue is small, and the probability of postoperative complications and hemorrhage can be reduced.

The invention relates to a vehicle overhead aerial system and an aerial amplifier thereof. The aerial amplifier comprises an AM frequency selection circuit, an AM signal amplifying circuit, an FM frequency selection circuit, an FM signal amplifying circuit and a power supply circuit, wherein, the aerial amplifier is further provided with a trapping circuit, one end of the trapping circuit is connected with the ground terminal of the aerial amplifier, and the other end thereof is connected with a metal aerial mounting base at the top of the vehicle. The aerial system is provided with a shark fin type aerial shell, a metal mounting base, an aerial frame and a wireless reception aerial; the aerial shell is arranged at the metal mounting base, which forms an internal accommodation space; the accommodation space is internally provided with the aerial frame, the wireless reception aerial and a circuit board which is provided with the aerial amplifier. The vehicle overhead aerial system and an aerial amplifier thereof increase the ground electric potential of the aerial amplifier at a printed circuit board, which is equal to increasing the height of the aerial amplifier to the metal mounting base, thus reducing the high frequency signals absorbed by the vehicle top, and increasing the receiving effect of the amplifier.

The invention discloses an electromagnetic type water heater and an electromagnetic resistance dual-core water heater, wherein the electromagnetic type water heater is formed by connecting a double-wall or sleeve or box-shaped magnetism-conductive water discharge body, a resonance coil and an integrated controller by virtue of power lines; and the electromagnetic resistance dual-core water heater is formed by connecting the water inlet of a resistance water heater and the water outlet of the electromagnetic type water heater, or placing the resistance water heater in the electromagnetic type water heater to be connected with and the integrated controller by virtue of power lines. For the electromagnetic type water heater and the electromagnetic resistance dual-core water heater, the magnetic energy in various directions of an electromagnetic field are scientifically utilized so that the energy efficiency is improved, and heat insulation is carried out on the resonance coil and the integrated controller by utilizing a heat insulation material and temperature difference of cold and hot water, and a dual-core simple and reliable technical structure in which a low-middle temperature zone is heated by electromagnetic energy and a mid-high temperature zone is subjected to resistance heating is adopted, thereby efficiently solving the problems that the resonance coil and the integrated controller are low in energy efficiency, low in hot water temperature, high in cost and the like, and can be easily damaged due to overheat. The electromagnetic type water heater and the electromagnetic resistance dual-core water heater have the obvious beneficial effects that the energy consumption is low, the cost is low, energy is saved, the hot water temperature is high, and more applications can be met.

The invention discloses a multi-purpose dressing table. A base, a mirror backboard and a silver mirror are connected in sequence, a table board, side sealing edges and stand columns are connected with each other, a big drawer and a small drawer are connected below the table board, handles are respectively connected with the big drawer and the small drawer, side panels are connected with the side sealing edges and the stand columns, the backboard is connected with the side panels, a storage cabinet is positioned below the small drawer, a hair drier is hung on the middle-upper position of the mirror backboard, hanging racks are mounted on the parts, at the two sides of the mirror backboard, of the table board, and an adjusting switch of the hair drier is positioned on the table board. The multi-purpose dressing table is complete in functions, the large silver mirror is arranged, in addition, the two drawers with different sizes, one small cabinet for storage and the hanging rack are also arranged, and the bendable hair drier which can be positioned enables a user to complete the hair blowing process without holding the hair drier.

The invention relates to a downy neck-protecting neck scarf with magnetic stones, and belongs to the field of daily necessities. The neck-protecting neck scarf comprises a lock hole, sewing threads, a velvet surface layer, a down-proof fabric layer 1, a down layer, a burlap layer and a down-proof fabric layer 2, wherein the neck scarf is fusiform; the lock hole is formed in one end of the neck scarf; the neck scarf sequentially comprises the velvet surface layer, the down-proof fabric layer 1, the down layer and the down-proof fabric layer 2 from top to bottom; the burlap layer is arranged between the down layer and the down-proof fabric layer 2; five magnetic stones are arranged on the burlap layer. In the neck-protecting neck scarf, down has a warming effect, through interaction of positive and negative ions generated by the magnetic stones, symptoms of chronic muscle stiffness can be relieved, and in combination of the magnetic stones with softness and warming effect of the down, restoration of a painful part is accelerated; through an attractive and elegant exterior design of the neck scarf, defects of ordinary neck-protecting health-care products are made up; therefore, the downy neck-protecting neck scarf has the warming and health-care effects and is fashionable.

The invention relates to a cable bridge frame cover plate. The cable bridge frame cover plate comprises a cover plate top surface which is arranged in a certain radian and a cover plate vertical surface which is arranged on two sides of the cover plate top surface. The cable bridge frame cover plate has the advantages that: (1) mechanical strength is high, the cable bridge frame cover plate is not easy to deform, (2) drainage condition is met, drainage is unobstructed in a rainy weather, a catchment phenomenon can not occur, (3) loading mechanical requirements are met, when thick accumulated snow covers the bridge frame cover plate in north and winter, pressure of the accumulated snow to the cover plate can be effectively reduced, (4) effective space in the bridge frame is increased, the cable bridge frame cover plate is beneficial for cable laying construction and cable heat dissipation, and (5) the cable bridge frame cover plate is novel in shape design, more attractive and more harmonious with the environment.

The invention relates to a garment, in particular to a garment capable of inflating a collar so as to achieve the function of protecting the neck of a child, and belongs to the technical field of garment design. Primarily, a detachable inflatable collar is mounted on the collar, and a covered button arranged at the collar of a garment body is connected with the inflatable collar, so that the collar is convenient to detach and convert when not needed; the modeling of the inflatable collar is not different from that of an ordinary collar, but an annular ring-shaped air bag is formed after the collar is inflated and arranged around the periphery of the neck; the garment can be used for fixing the head and the neck of the child so as to reduce injuries caused when the child has a rest and plays. The garment is characterized in that the garment is generally different from ordinary coats due to the structure design; when the garment needs to be used, the garment is inflated in the position of a zipper by using an inflating machine, so that the operation is convenient and quick; the shape design is attractive in appearance; the garment is easy to detach and exchange; due to inflating design, other pressures or injuries cannot be caused for the neck when the neck is protected; the cost is not high, and the garment is cheap and fine for consumers.

The invention relates to a seasoning machine which comprises a machine body and a middle shaft lever. The machine body consists of an upper plastic board and a lower plastic board that have the same shape and size as an upper flange of a rotating disc and are in parallel at an interval; partitions are arranged between the two spaced plastic boards to separate the two plastic boards equally and form at least four zones. The machine body is in sealing connection with the upper flange of the rotating disc; the middle shaft lever with a hook at the upper end penetrates through the centers of the machine body and the rotating disc; small matched drawers are arranged in all the divided zones of the machine body; and a charging hole is formed in the center of the bottom of each small drawer. The seasoning machine has the advantages that the seasoning machine is convenient to use, easy to clean, safe, sanitary, small in occupied area, and attractive in appearance design.

The invention provides a novel intelligent integrated measurement and control terminal, which comprises a rotary box door and a box body, wherein the box body is internally provided with a bottom plate; the bottom plate is provided with a first core control board and a second core control board connected mutually; the first core control board comprises a first controller and an AC sampling module, an input module, an output module, a display module, a keystroke module and a first communication module connected with the first controller; the second core control board comprises a second controller and a second communication module connected with the second controller; and the second controller and the first controller are connected. A function of integrating measurement and control and communication is realized; besides, as an ARM9 high-speed processing chip is adopted, the number of communication interfaces is increased, and the communication ability is enhanced; a rotary door structure design mode is adopted, pull-in of a magnet is matched, assembly and disassembly by the user can be facilitated, the rotary door is locked in a fastener mounting mode on the upper cover plate and the lower cover plate, and the problem that the rotary door is likely to get loose during a transport process can be solved.

The invention discloses a novel electric pencil sharpener. The novel electric pencil sharpener structurally comprises a work button, an upper shell, a main machine body, a pencil sharpening opening, a pencil sharpening opening notch, a pencil sharpening opening convex disc, a residue storage box transparent outer wall, a residue storage box connection disc, a lower shell, a sucker and a USB charging port. The work button is arranged on the upper shell. The upper shell is fixedly connected with the main machine body. The pencil sharpening opening convex disc is arranged on the front portion of the main machine body. The residue storage box connection disc is arranged under the pencil sharpening opening convex disc. The rear portion of the residue storage box connection disc is connected with the residue storage box transparent outer wall. The novel electric pencil sharpener is simple in structure, beautiful and elegant in shape design and provided with an inner battery and the USB charging port, charging is convenient, the novel electric pencil sharpener can be used independently without a power source, and thus the work efficiency is improved effectively. Two-stage pencil sharpener bodies are arranged, so that the problems that paper is liable to be cut by a too sharp pencil and potential safety hazards exist are avoided effectively.

The invention discloses a metallurgy mine vehicle wheel which comprises a tread and a hub. The tread and the hub are integrally formed and perpendicularly connected; the connecting position of the tread and the hub extends outwards in the horizontal direction of the hub to form a rim; the hub and the rim are located on the same horizontal plane; and a shaft hole is formed in the center of the hub.Through tread force analysis, the bearing requirement can be met, and the metallurgy mine vehicle wheel is higher in load-bearing capacity; and the wheel is simple in designed structure, low in costand beautiful in appearance.

The invention relates to a door sheet of a water-tank-type dish washing machine.The door sheet is designed for solving the technical problem that a control panel and a door sheet of an existing like product can not be integrally arranged.A lining is arranged on the inner lateral side of the bottom of a sheet body of the door sheet of the dish washing machine, a protruding foaming lining bag is arranged on the lining, an annular edge groove is formed in the edge of the protruding foaming lining bag, a transparent window is arranged at the portion, on the outer lateral side of the top of the sheet body, between the sheet body and the lining and corresponds to a sealing window hole of the lining, and a hinged border is arranged on one side of the sheet body and connected with the sheet body into a whole.The door sheet is characterized in that a control panel is arranged on the side, opposite to the hinged border, of the sheet body and provided with touch keys and a digital display screen, a circuit box of the control panel is arranged in a cavity between the sheet body and the lining, a sealing cover plate is arranged at the portion, corresponding to the circuit box, of the lining, and a circuit of the circuit box extends into a box through a sealed wire hole in he hinged border; an upwards-warping arc handle edge is arranged on the side, opposite to the hinged border, of the sheet body and connected with the sheet body into a whole.

The invention discloses a multi-exhaust pipe air blowing protection device for high-power laser welding. The multi-exhaust pipe air blowing protection device comprises a fixed base and a connecting device connected with the fixed base; the fixed base is provided with multiple exhaust pipes arranged in a direction of welding line to be processed; and the fixed base is further provided with air supply pipes connected with the exhaust pipes. The invention aims to provide the multi-exhaust pipe air blowing protection device for high-power laser welding, which can achieve an excellent protection effect when a workpiece is welded by laser with high power.

The invention discloses an intelligent operation tool box for a switch cabinet of a 10kV central handcart. The intelligent operation tool box comprises a tool box body, wherein an upper-layer tool table, a middle-layer tool table and a lower-layer tool table are arranged inside the tool box body; the three layers of tool tables are supported through foldable support rods; the three layers of tool tables are distributed in a stepped form; an operation ticket folder storage area, an inkpad storage area, a stamp storage area, a pen storage area, a recording pen storage area, a first telephone storage area and a second telephone storage area are arranged in the upper-layer tool table; a universal meter storage area, a stapler storage area and a glare flashlight storage area are arranged in the middle-layer tool table; an insulating glove storage area, a handcart operating rod storage area, a 10kV ground knife operating rod storage area and a 10kV electroscope storage area are arranged in the lower-layer tool table. The intelligent operation tool box is attractive and elegant in appearance design, is moderate in size, and is convenient to carry; the box body is firm and reliable, has high safety, and is prevented from being opened and used randomly; the intelligent operation tool box has comprehensive overall functions and is convenient to use, the operating time is saved, and the operating efficiency is greatly increased.

The invention is an air shaft fan power supply latching device, comprising host computer and slave computer interconnected through communication system, where the host computer comprises: host computer data processing unit, instruction input keyboard, host computer data transmitting and receiving circuit, digital display unit, display drive circuit, host computer power-off control circuit, air pressure sampling circuit, fan ON / OFF detection circuit and host computer working state indicating circuit; and the slave computer comprises: slave computer data processing unit, slave computer transmitting and receiving circuit, slave computer power-off control circuit and slave computer working state indicating circuit. And the invention adopts remote monitoring technique and can automatically detect working state of the main fan. And it can radically put an end to gas explosion accident caused by ventilating failure.

The invention provides a multipurpose battery pack. The multipurpose battery pack comprises a shell, a battery cell and a circuit board, wherein the battery cell and the circuit board are arranged in the shell; The pack also includes a first electric connector used for connecting one ends of the positive electrode and the negative electrode of the battery cell with the circuit board, a second electric connector used for connecting the other ends of the positive electrode and the negative electrode of the battery cell with the circuit board, a third electric connector configured on the circuit board and comprising at least one interface suitable for being electrically connected with external electric equipment to enable the electric power from the battery cell to be supplied to the electric equipment through the third electric connector, a first connecting piece suitable for being connected with a first electric equipment latch, and a second connecting piece suitable for being connected with a second electric equipment latch; when the first connecting piece and the second connecting piece are in latch connection with the corresponding electric equipment, the first connecting piece and the second connecting piece do not interfere with each other. The multipurpose battery pack can be matched with multiple tools for use without being limited by the use environment.

The invention discloses an elevator registering device. The elevator registering device is characterized in that at least a registration mark is engraved in a metal face plate in a hollowed-out mode;the hollow position of the registration mark is filled with a light-transmitting material in a sealing mode; at least one light sensing device is arranged on a control circuit board; the control circuit board is fixed on the back face of the metal face plate, and at least one light sensing device is correspondingly arranged on the back face of each registration mark; the detection light emitted bya detection light emitter of the light sensing device is used for penetrating through the light-transmitting material at the hollow position of the corresponding registration mark; a light receiver of the light sensing device is used for detecting the intensity of the detection light emitted by the light-transmitting material at the hollow position of the corresponding registration mark; and a processor judges whether the registration identification corresponding to the light sensing device is touched or not according to the intensity of the emitted detection light. According to the elevatorregistering device, a registering button has strong environmental-resistant characteristics for water resistance, oil stain resistance, impact damage and the like, and the appearance design is integral and attractive.

The invention provides a setting method of an elastic thread in an ejection type ligation device and an elastic thread ligation device. The setting method of the elastic thread comprises steps as follows: a loop is formed by the front end of the elastic thread in a slipknot form, the loop is arranged in a loop push piece at the front end of a gun head in a sleeving manner, a slipknot of the loop is clamped outside a thread clamping groove in the front end of the loop push piece, the elastic thread is arranged in the thread clamping groove, and the tail end of the elastic thread is finally clamped into a clamping groove in a gun handle and fixed in a direction of a gun barrel; the loop push piece is propped against an infected part, when an ejection block drives the loop push piece to move forwards, the loop is enabled to be separated from the loop push piece and is arranged on the infected part in a sleeving manner, the tail end of the elastic thread is taken down and tightened, the slipknot of the loop is propped by the thread clamping groove of the loop push piece, and the elastic thread is continuously tightened, so that the pore diameter of the loop of the elastic thread is reduced gradually. The invention further provides an ejection type elastic thread ligation device adopting the method. The ejection type elastic thread ligation device is simple in structure, convenient to operate, accurate in operation and applicable to treatment of hemorrhoids and other anorectal diseases, a wound surface of postoperative target tissue is small, and the probability of postoperative complications and hemorrhage can be reduced.

The invention discloses a battery box. The battery box comprises a box body and a battery pack arranged in the box body, wherein a control panel is arranged on the top surface of the box body; a cover plate used for protecting the control panel is connected with the box body; when the cover plate is closed, the cover plate and the control panel are sealed; and air vents for radiating are formed in the control panel. When the battery box is not used, the control panel is covered with the cover plate to prevent the battery pack in the battery box from being affected with damp; and meanwhile, it can be ensured that the battery box has good ventilation performance during the use process, so that the service life of the battery can be prolonged.

The invention discloses a Tai Chi type rotary-fire stable-flame combustion system. The system comprises a nozzle seat, a water receive plate, a burner ring seat, a burner ring and a pan frame plate; the burner ring is an annular shell with a Tai-chi-shaped through hole in the middle, a groove is formed in an outer ring of the upper portion of the burner ring, inclined big flame ports are formed in the bottom of the groove, and flame stabilizing ports are formed in the side edge of the groove; and a Tai-chi-shaped groove is formed in the middle of the shell, inward big flame ports are formed in the peripheral ring of the Tai-chi-shaped groove, S-shaped small flame ports are formed in an inner circumferential ring, and a thermocouple hole and an ignition needle groove are formed in the two sides of the middle of the inner circumferential ring respectively. The Tai Chi type rotary-fire stable-flame combustion system has the characteristics of simple structure, compact design, excellent performance, high thermal efficiency, safety, reliability and the like.