36results about How to "Improve dustproof" patented technology

The utility model discloses a medicine box subpackaging device with a reminding function, which comprises a medicine box main body, a display screen is embedded at the front end of the medicine box main body, and a control key is arranged on one side of the display screen. By arranging the control key, the display screen, the prompt lamp, the loudspeaker, the storage groove, the control module and the wireless module, the medicine taking reminding function is achieved, the control key can control the control module, the display screen is matched to record medicine information in the storage groove and set the medicine taking number and time, and the medicine taking reminding function is achieved. Or a wireless module is connected with a mobile phone, a tablet computer and other equipment to set the medicine box subpackaging device, and when the medicine taking time is up, the control module issues an instruction according to a system program, controls the prompt lamp at the position of the corresponding storage groove to be normally turned on and controls the loudspeaker to give out a prompt tone, so that the medicine needing to be taken can be quickly and accurately taken, and the medicine box subpackaging device is convenient to use. Meanwhile, the display screen can display the medicine information and the medicine taking quantity, so that wrong medicine taking is avoided.

The invention belongs to the technical field of medical instruments, and discloses a handheld atomizer which comprises a main machine, an atomizing cup, an atomizing sheet assembly and an atomizing cover, the bottom of the atomizing cup is provided with a first matching structure, and the atomizing cup can be detachably matched with the top of the main machine through the first matching structure; the atomizing cup is provided with a liquid medicine containing cavity, a liquid medicine inlet and a liquid medicine outlet, the liquid medicine inlet and the liquid medicine outlet are communicated with the liquid medicine containing cavity, the liquid medicine outlet can be closed by the atomizing piece assembly, the spraying cover is provided with a mist outlet nozzle and a cover shell part, the cover shell part is provided with a second matching structure, and the spraying cover can be detachably matched with the atomizing cup through the second matching structure. On one hand, when the atomizing sheet assembly is replaced, the atomizing cover is taken down to reduce the operation steps of replacing the atomizing sheet by a user, and on the other hand, the atomizing cover can also perform dust prevention and protection on the atomizing sheet assembly to increase the cleanliness of the atomizing sheet assembly, reduce the replacement frequency of the atomizing sheet assembly and improve the use experience of the user.

The utility model discloses a noise reduction and dust prevention device for municipal engineering green construction, and belongs to the technical field of construction dust prevention devices. Comprising a surrounding device arranged on the periphery of a construction site, the surrounding device comprises a surrounding plate seat, a surrounding plate, a silencing plate, a curtain hanging frame and a curtain hanging unit, the surrounding plate seat comprises stand columns arranged at intervals, the bottoms of the stand columns are fixed to embedded parts of the pouring ground, a plurality of lug seats are arranged on the two sides of the inner face of each stand column, and a plurality of cross beams are arranged between the adjacent stand columns; the cross beam is fixed with the lug seat; the outer coaming is fixed to the outer surface of the coaming base through bolts. The silencing plate is fixed on the inner surface of the coaming seat through a bolt; according to the noise reduction and dust prevention device for green construction of municipal engineering, a necking structure can be established at the closed enclosure top, so that an open cover body is established on the periphery of a construction site, the dust prevention and noise reduction effects can be improved, and the noise reduction effect can be ensured by performing multiple times of noise reduction through the wet cotton felt, the noise reduction plate and the noise reduction cotton.

The present invention discloses a Delta parallel robot, comprising a fixed platform, a moving platform and a connecting mechanism, wherein the connecting mechanism comprises a plurality of driving arms and a driving device, wherein the driving arm comprises an active arm, a driven arm, a first rotating shaft, a first connecting head, a second rotating shaft and a second connecting head, wherein one end of the active arm is connected to the driving device, and the other end is rotatably connected to the first rotating shaft, and the second rotating shaft is rotatably connected to the moving platform, the first connecting head and the second connecting head are respectively mounted on two ends of the driven arm, and the first connecting head is hinged to the first rotating shaft, and the second connecting head is hinged to the second rotating shaft, a rotation plane of the first connecting head relative to the first rotating shaft and a rotation plane of the first rotating shaft relative to the active arm are mutually perpendicular, and a rotation plane of the second connecting head relative to the second rotating shaft and a rotation plane of the second rotating shaft relative to the moving platform are mutually perpendicular; the Delta parallel robot can realize a wider range of movement and is more flexible.

The utility model relates to the technical field of LED display structures, in particular to an efficient heat dissipation LED display structure which comprises a base material layer, a chip layer, an optical adjustment layer and a packaging protection layer, the base material layer is arranged at the bottommost layer, the chip layer is arranged at the upper end of the base material layer, the optical adjustment layer is arranged at the upper end of the chip layer, and the packaging protection layer is arranged at the lower end of the optical adjustment layer. The packaging protection layer is arranged at the upper end of the optical adjustment layer; the chip layer and the base material layer are connected in a bonding mode, and a gap position between the chip layer and the base material layer is filled with a reflective glue filling layer; the optical adjustment layer is attached to the surface of the chip layer; and the packaging protection layer is cured on the surface of the optical adjustment layer.

The present application discloses a photovoltaic emergency smart door lock adapted to different working environments, including an outer panel, an outer door handle is movably connected to the middle of the front side of the outer panel, an emergency energy storage mechanism is fixedly connected to the inner side of the outer door handle, and a light collection adjustment mechanism is fixedly connected to the top of the outer panel. The present application relates to the field of emergency smart door locks. By pulling the sliding sleeve out from the inner side of the top of the outer door handle, adjusting the position of the turn handle, manually rotating the turn handle, and turning the hand-cranked generator to start charging the battery, the normal operation of the battery charging guarantee device is ensured, and after emergency charging is completed, the emergency energy storage mechanism is recovered into the inner side of the outer door handle for closed storage, thereby improving the dust and anti-destruction protection of the emergency energy storage mechanism and increasing the service life of the emergency energy storage mechanism. This solves the problems of low energy storage efficiency of existing photovoltaic emergency smart door locks adapted to different working environments, low power generation efficiency due to the non-adjustable position of the photovoltaic panel, and high risk of privacy leakage.

The invention relates to the technical field of building punching equipment, in particular to a lifting type punching device for high-altitude drilling, which comprises a base, four rollers are arranged on the lower side of the base, a supporting pipe is fixedly mounted in the center of the upper end face of the base, a sliding rod is slidably mounted on the inner wall of the supporting pipe, and the sections of the supporting pipe and the sliding rod are rectangular. The electric drill is arranged on the supporting rod, accurate lifting of the electric drill in the vertical direction is achieved by means of sliding connection between the sliding rod and the supporting pipe and stable thrust provided by the feeding unit, the percent of pass of follow-up anchor bolt installation is further improved, meanwhile, the electric drill is arranged on the supporting rod in a sliding mode, and meanwhile the machining efficiency is improved. Four rollers are arranged on the lower side of the base of the device, so that the transfer efficiency of the device is improved, the working efficiency is improved, the labor intensity is reduced, a storage battery is adopted as a power supply, the complexity of continuously changing the power supply wiring position in the working process is avoided, and the safety risk of operators is further reduced.

The utility model relates to the technical field of illumination, in particular to a cavity-divided modularized high-protection multifunctional LED street lamp which comprises a shell assembly, a light source assembly and a control assembly, the light source assembly is arranged on the shell assembly, the control assembly is arranged on the shell assembly, the control assembly is connected with the light source assembly, and the light source assembly is connected with the shell assembly. The light source assembly is intelligently controlled. The light source assembly is intelligently controlled through the control assembly, so that the overall energy consumption of the LED street lamp is reduced, meanwhile, the ventilation opening is formed in the shutter cover plate of the light source cavity and used for ventilation and heat dissipation, and the energy consumption of the LED street lamp is further reduced.

The invention provides a power-assisted wheel and induction wheel integrated module and a dust collector, the integrated module comprises a module shell, and a first cavity used for assembling a power-assisted wheel assembly and a second cavity used for assembling an induction wheel assembly are formed in the module shell; the power-assisted wheel assembly comprises a power-assisted wheel and a power-assisted motor capable of driving the power-assisted wheel to rotate around a wheel shaft of the power-assisted wheel, the induction wheel assembly comprises an induction wheel and a sensing assembly used for sensing the rotating direction and the rotating speed of the induction wheel, and the power-assisted wheel is coaxial with the wheel shaft of the induction wheel. The first cavity and the second cavity are sequentially arranged in the axial direction of the power assisting wheel. During cleaning, the induction wheel is not prone to being suspended, so that the induction accuracy of the induction wheel is guaranteed, and then it is guaranteed that the power assisting effect of the power assisting wheel is exerted.

The utility model provides an LED lamp panel dustproof structure which comprises a heat dissipation rear cover, the upper surface of the heat dissipation rear cover is fixedly connected with a heat dissipation side plate and an LED lamp bead plate, main heat dissipation grooves are symmetrically formed in the lower surface of the heat dissipation rear cover, the upper end of the inner side face of the heat dissipation side plate is fixedly connected with a limiting ring, and the upper surface of the limiting ring is movably connected with a light guide plate. Sealing grooves are formed in the upper surfaces of the heat dissipation side plates, sealing layers are fixedly connected into the sealing grooves, meanwhile, the inner side face of the mounting frame is fixedly connected with a light-transmitting plate, the outer side face of the mounting frame is symmetrically connected with fixing plates, the ends, away from the mounting frame, of the fixing plates are fixedly connected with clamping blocks, and the clamping blocks are fixedly connected into clamping grooves formed in the end face of the heat dissipation rear cover. According to the LED lamp panel, through the cooperation of the mounting frame, the fastening plate, the sealing layer, the fastening layer, the fixing plate and the clamping block, the sealing performance of the connecting position between the mounting frame and the heat dissipation side plate can be effectively enhanced, so that the overall dustproof and moistureproof effects of the LED lamp panel are enhanced, and the probability that the LED lamp panel breaks down is reduced.

The utility model provides a novel magnetic suction sealing strip which comprises a double-face magnetic strip, a weak magnetic part and a strong magnetic part are arranged at the two ends of the double-face magnetic strip respectively, and the weak magnetic part is inwards inserted into a metal frame of the magnetic suction sealing strip. A sealing strip is arranged on the outer side of the magnetic suction sealing strip metal frame, and the sealing strip and the magnetic suction sealing strip metal frame wrap the double-sided magnetic strip inside; the outer frame is installed in the door body, a sliding groove is formed in the outer side wall of the outer frame, and the magnetic attraction sealing strip metal frame penetrates through the sliding groove to be movably inserted into the outer frame. A magnetic strip which attracts the weak magnetic part is inserted into the outer frame; according to the novel magnetic attraction sealing strip, when the door is closed, the strong magnetic part can attract the strong magnetic part of the side door, and the sealing effect is achieved; when the door is opened, the weak magnetic part attracts the magnetic strip, the magnetic attraction sealing strip metal frame and the sealing strip on the magnetic attraction sealing strip metal frame can be contained in the outer frame, the sealing strip is protected, the service life of the sealing strip is prolonged, and meanwhile the attractiveness of the door is improved.

This invention provides a purging device and semiconductor deposition equipment, overcoming the shortcomings of uneven purging and inability to form a complete gas curtain in the transport channel of existing MOCVD equipment. The device sets the first and second purging channels at specific angles, so that the two airflows converge in the chamber in front of the valve plate and are located inside the chamber, thereby forming a fully enclosed protective gas curtain from top to bottom without dead angles. This effectively blocks the diffusion of reactive gases to the valve plate side, improves the dustproof and heat protection effect of the valve plate, and enhances the operational stability and safety of the equipment.

The utility model discloses a dustproof cabinet for a direct current energy storage capacitor, which relates to the technical field of capacitors and comprises a mounting plate, a dustproof cover arranged at the top of the mounting plate, a capacitor arranged in the dustproof cover, a heat dissipation unit fixedly connected to the top of the mounting plate and a fixing unit movably arranged at the top of the mounting plate. The heat dissipation unit comprises a heat conduction rod fixedly connected to the top of the mounting plate, an expansion hole formed in the outer side wall of the heat conduction rod, and a heat conduction plate fixedly connected to the top of the heat conduction rod and used for bearing a capacitor; the fixing unit comprises a mounting base fixedly connected to the outer side wall of the dust cover and a fixing bolt which penetrates through the mounting base and is in threaded connection with the mounting base. According to the dustproof cabinet for the direct-current energy storage capacitor, heat generated by the capacitor is transmitted to the heat conduction rod through heat transfer, and at the moment, the cooling fan is in a running state, so that the flow speed of air near the heat conduction rod is accelerated, and the cooling effect is achieved.

The present invention discloses a dehumidification and cooling monitoring box assembly for an outdoor communication equipment box, which relates to the technical field of communication equipment, and comprises a box, cooling assemblies are arranged on both sides of the box, a rain tower assembly is arranged on the top of the box, and an incoming line assembly is arranged on the bottom of the box; the present invention cooperates with each other among an adjustment assembly, a dustproof assembly, a cleaning assembly, etc., on the first hand, it has moisture-proof and heat-dissipating functions; on the second hand, it can clean the dustproof assembly during heat dissipation; on the third hand, it can clean the dust cleaned from the dustproof assembly to the outside of a movable cover, thereby avoiding the accumulation of dust cleaned inside, which may cause the air inlet slot to be blocked; on the fourth hand, after the electric telescopic rod is damaged, even if the inside is overheated, the movable cover can be automatically opened to quickly dissipate heat; on the fifth hand, it can clean the cleaning assembly.

The dustproof awning system comprises a foundation pit, a top beam is poured at an upper port of the foundation pit, steel beams are arranged on the left side and the right side of the upper portion of the top beam, and a plurality of supporting mechanisms distributed at equal intervals are arranged between the lower sides of the steel beams and the top beam. A plurality of spraying mechanisms distributed at equal intervals are arranged between the steel beams on the two sides. According to the system, the spraying pipe and the high-pressure micro-mist dust-falling humidifier are matched to spray and fall dust on the whole upper space of the foundation pit, so that dust is prevented from diffusing to the periphery from the upper space right above the foundation pit, and the dust-proof effect of the system is greatly improved; and the dust screen arranged in the system not only can reduce the raising amount of dust by reducing the flowability of air above the foundation pit, but also can reduce the dust content in the air above the foundation pit by adsorbing dust, so that the dust prevention and falling effects of the system are further improved.

The utility model relates to an eddy current sensor relates to sensor technical field for solving the problem of insufficient dustproof and oil stain resistance of existing eddy current sensor, and the utility model discloses an eddy current sensor, including sensor body, dustproof part, outer sealing ring and inner sealing ring, sensor body has the distribution of arc main part, convex portion and data joint in proper order, and arc main part, convex portion and data joint fixed connection, the inside of dustproof part forms and annular sleeve surface of abutment plane, is seted up with installation hole on dustproof part, and installation hole penetrates abutment plane, and the end face of abutment plane of dustproof part is away from arc main part and is abutted with convex portion, and annular sleeve surface is sleeved on the torus of convex portion, and data joint is located in installation hole, the outer ring of annular sleeve surface of dustproof part is provided with outer annular groove, and sealing ring is seted up in outer annular groove, and the inner ring of abutment plane and is located in installation hole is provided with inner annular groove, and inner sealing ring is seted up in inner annular groove.

The invention discloses a digital building material structure combining a building board and an LED decorative screen. The digital building material structure comprises a plurality of LED modules, a mounting board, an adapter plate and a decorative surface, the mounting plate comprises a mounting surface, and the plurality of LED modules are fixedly mounted on the mounting surface along the length direction of the mounting plate; the adapter plate is fixedly connected to the end part of the mounting plate; the receiving cards and the driving power supplies corresponding to the plurality of LED modules are integrated at the corresponding end parts of the mounting plate through the adapter plate, and the decorative surface covers the lamp bead surfaces of the plurality of LED modules. The LED screen solves the technical problems that in the prior art, an LED screen cannot adapt to installation plates in the building industry, and maintenance is difficult and structural strength is low due to the fact that a circuit structure is complex.

The utility model discloses a luminous ball for physical training, which relates to the technical field of physical training equipment and comprises a ball body provided with a luminous component and a valve core. The ball wall of the ball body is further provided with a through hole located in the opposite side of the valve core. A charging interface base of the light-emitting assembly is of a cylindrical structure and is in interference fit with the through hole, a control panel, a battery and a lamp of the light-emitting assembly are all located in the ball body, and a charging interface of the charging interface base faces the outer side of the ball body; except the charging interface of the charging interface seat, the light-emitting component at least wraps the area except the light-emitting part of the lamp by a waterproof elastic dense film layer. The waterproof ball is simple in structure, low in production cost, high in assembly efficiency, excellent in waterproof performance, suitable for various sports scenes such as rugby footballs, basketballs, volleyballs and footballs, and high in practical value and market prospect.

The utility model relates to the field of building decoration, and particularly discloses an assembled wooden door. The assembled wooden door comprises a door frame and a door leaf hinged to the inner side of the door frame, the door leaf comprises a frame, an upper door core plate and a lower door core plate, a plurality of hinges are fixedly connected to one side of the frame and fixedly connected with the inner wall of one side of the door frame, the upper end of the frame is fixedly connected with an upper cap connected with the upper door core plate, and the lower end of the frame is fixedly connected with a lower cap connected with the lower door core plate. The lower end of the frame is fixedly connected with a lower cap connected with the lower door core plate, a middle cap fixedly connected with the frame is connected between the upper door core plate and the lower door core plate, one side of the middle cap is connected with a locking plate used for locking the upper door core plate and the lower door core plate, and a fastener in threaded connection with the middle cap is arranged on the locking plate in a penetrating mode. When the door core is locally damaged, the whole door does not need to be disassembled, only the damaged door core plate needs to be replaced, the maintenance workload can be reduced, the required time can be shortened, the maintenance cost is effectively reduced, and the practicability of the wooden door is improved.

The application belongs to the technical field of electrical equipment, and particularly relates to a power relay and a protection device thereof. The relay comprises a shell, the shell is provided with an element module for realizing a relay function, both sides of the shell are provided with external contact points connected with the element module, a bolt is mounted on each of the external contact points, a partition plate is arranged on both sides of each of the external contact points, an air flow groove is formed in the side wall of the shell corresponding to the external contact point, a heat dissipation mechanism is mounted on the shell, and the heat dissipation mechanism comprises a protection cover body covering the shell. The application can better perform heat dissipation treatment on the internal elements of the relay device, the heat dissipation mechanism is used for directly replacing hot air, the protection cover body can further enhance the protection performance of the relay, and the auxiliary fan and the heat dissipation fan can be used to perform cooling treatment on the relay and the wire connecting point connected with the wire during long-term operation of the relay, so that a good equipment operation environment is maintained, and the overall dustproof and protection capability of the relay is further improved.

The utility model discloses an electromechanical electric power supply and distribution device, and relates to the technical field of subway electromechanical equipment, the electromechanical electric power supply and distribution device comprises a bottom frame and a power distribution cabinet body, the bottom frame is provided with the power distribution cabinet body, and a suction fan, a bidirectional ball screw, a motor, a screw nut, a combined sealing plate, a temperature sensor and a separation blade cooperate with each other. The power distribution cabinet can be actively cooled according to the temperature change in the power distribution cabinet, the use safety of the power distribution cabinet is ensured, and the air outlet and the air inlet are automatically closed after active heat dissipation is finished, so that external dust and humid gas are prevented from entering the power distribution cabinet through the air outlet and the air inlet when the temperature in the power distribution cabinet is not high; according to the utility model, the dustproof net is installed on the air inlet, and the dustproof net can intercept the dust in the air at the air inlet, thereby preventing a large amount of dust from entering the bottom frame and the power distribution cabinet body in the active heat dissipation process, and preventing the heat dissipation effect of the power distribution cabinet from being affected.

The utility model provides a novel PVC pinch plate, and belongs to the technical field of pinch plates. The problems that an existing plane PVC pinch plate cannot meet the requirement of a grating, and the mute and heat preservation effects are poor are solved. The novel PVC pinch plate comprises a pinch plate main body and is characterized in that a concave clamping groove is formed in the left end of the pinch plate main body, a convex clamping block is arranged at the right end of the pinch plate main body, the clamping groove is matched with the clamping block, a decorative layer is fixedly connected to the front face of the pinch plate main body and is in a grid shape, and a buffer layer is fixedly connected to the back face of the pinch plate main body. A heat preservation layer is arranged in the pinch plate body. The floor has the advantages of having a grating effect, being three-dimensional and attractive, strong in decoration, convenient to install, mute and heat-insulating, and good in user comfort.

The food processor comprises a machine body and a cup body installed on the machine body, a pulping cavity is formed in the cup body, a liquid discharging nozzle communicated with the pulping cavity is formed in the bottom of the cup body, a containing cavity with an opening in one side is formed in the bottom of the machine body, and a liquid discharging opening is formed in the other side of the containing cavity. An opening is formed in the front side of the machine body, a display panel is arranged at the position, located above the opening, of the front side of the machine body, a vertically-extending and fumigation-preventing isolation piece is arranged below the display panel, the liquid discharging nozzle is arranged in the containing cavity, and the output end of the liquid discharging nozzle is lower than the bottom end of the isolation piece. According to the liquid discharging nozzle, the separator is arranged, when the liquid discharging nozzle is used and steam is output, the steam is in contact with the separator preferentially in the upward moving process of the steam, and the separator can be used for preventing steam fumigation and reducing the influence of the steam on the upper display panel at the same time.

The invention relates to the field of fans, and discloses a shock-absorbing and noise-reducing magnetic suspension centrifugal fan which comprises a base, a fan shell is fixedly mounted at the top end of the base, a fan air pipe is fixedly mounted on the side wall of the fan shell, and an electric control box is fixedly mounted at the top end of the fan shell. A dust removal and noise reduction device is fixedly mounted at the top end of the fan shell and located above the electric cabinet. According to the dust removal and noise reduction device disclosed by the invention, an air spraying pipe in the dust removal and noise reduction device is matched with a top air inlet block, so that air filled into water is cooled and filtered, a beating rod and first fan blades are arranged on the air spraying pipe, and the first fan blades can drive the beating rod to rotate in the rotating process of the air spraying pipe, so that bubbles are beaten; the dustproof and cooling effects are improved, so that the fan shell is kept at the normal temperature during use, the permanent magnets in the fan shell are not polluted by dust, and noise and vibration generated by the fan shell during use are reduced.

The invention relates to a UV three-proofing paint and a preparation method thereof, and relates to the technical field of paints, the UV three-proofing paint comprises acrylic resin, epoxy resin, rosin modified alkyd resin, a drier, an antifoaming agent, butyl acetate, isopropanol, a fluorescent agent, a coupling agent, hollow glass beads, melamine formaldehyde resin-porous starch-carvacrol microcapsules and other raw materials. According to the UV three-proofing paint, through a specific formula and a preparation process, excellent waterproof, antibacterial and anti-corrosion effects are achieved, meanwhile, the UV three-proofing paint has good UV curing performance, the service life of a coating is prolonged, and the stability of the coating is improved.

The utility model relates to the field of wind power signal transmission devices, in particular to a wind power signal slip ring convenient to maintain. Comprising a rotor and a stator, a plurality of annular grooves are formed in the rotor, transmission ring bodies wrapping the annular grooves are arranged in the annular grooves, the stator comprises a first semi-cylindrical end cover and a second semi-cylindrical end cover, and an anti-loosening connecting piece is arranged between the first semi-cylindrical end cover and the second semi-cylindrical end cover. The inner wall of the first semi-cylindrical end cover and the inner wall of the second semi-cylindrical end cover are both provided with annular channel protruding pieces matched with the annular channel grooves, the annular channel protruding pieces are detachably connected with the first semi-cylindrical end cover and the second semi-cylindrical end cover, and a plurality of protruding parts of the annular channel protruding pieces are provided with electric brushes respectively. Each part of the slip ring is designed to be detachable, so that when the slip ring breaks down, the slip ring can be easily disassembled, and the problem that the slip ring is inconvenient to maintain is solved.

The invention, which belongs to the technical field of the power converter, discloses an anti-off-line type internet-of-things power converter comprising a converter main body, one side of the converter main body is provided with a plurality of jacks for connecting external cables, and one side of each jack is provided with a plurality of anti-bending assemblies, dustproof assemblies and anti-pulling assemblies. According to the invention, the anti-pulling assembly is arranged, a rotating rod drives a lead screw seat and a fitting block to extrude and fit an external cable through a driving gear, a rotating gear ring, a linkage gear and a movable lead screw, and in the process, a dustproof plate moves relative to the lead screw seat, so that the dustproof plate does not interfere and hinder the external cable; according to the technical scheme of the invention, the fiber effect of the external cable is improved, the external cable is stably limited through the attaching block, the external cable can be prevented from being accidentally separated from the jack, the connection tightness between the jack and the external cable is improved, and the continuity and smoothness of the power conversion process of the Internet of Things are ensured.

The utility model belongs to the technical field of door curtain rod, specifically relates to a door curtain rod, including main rod, the main rod is tubular, is equipped with limit hole, baffle and magnet on the main rod, the magnet has a plurality of blocks and the adjacent setting of same polarity pole, is equipped with the connecting rod that passes through screw thread connection in the both ends of main rod, realizes the purpose of adjusting door curtain rod overall length through the coincidence length of adjusting connecting rod and main rod, the other end of connecting rod is connected with the curved rod that is set up in " U " type, one side of curved rod and main rod connection is equipped with fixed mechanism, the fixed mechanism is under the cooperation of self fixed plate and cooperation plate, passes through the depth of adjusting screw rod and enters fixed plate, can fine tune the length of fixed mechanism. Through the setting of above -mentioned component, not only make door curtain can close more closed, but also can prevent hand from hitting door frame, wall etc. when drawing door curtain to the end of door curtain rod, can also make door curtain rod fixed more firm.