110results about How to "Runs smoothly" patented technology

The invention relates to an automatic door closer which comprises a casing, a sliding set, a transmission set, a piston set and an opening-closing strength adjusting device. The casing is provided with a front cavity, a back cavity and a middle cavity along the direction of a long axle and is provided with an axle hole along the direction of a short axle. The sliding set is arranged at the middle cavity of the casing in a slide way and comprises a slide carriage, a first idler wheel and a second idler wheel. The slide carriage is provided with a first lateral part, a second lateral part, a middle part arranged between the first lateral part and the second lateral part and a clip slot which communicates with the first lateral part, the middle part and the second lateral part. The first idler wheel and the second idler wheel are arranged in the clip slot. The transmission set comprises a transmission shaft and an eccentric cam component combined with the transmission shaft. The transmission shaft is articulated with the axle hole of the casing and penetrates through the middle part of the slide carriage. The eccentric cam component is arranged in the clip slot of the slide carriage and is in abutting joint with the first idler wheel and the second idler wheel. The piston set is arranged at the back cavity of the casing and is connected with the first lateral part. The opening-closing strength adjusting device is assembled at the front cavity of the casing and is in abutting joint with the sliding set.

The invention discloses a picture display method and apparatus, a storage medium, a processor and a terminal. The method comprises the steps of generating a thumbnail matched with an original picture,wherein the definition of the thumbnail in a full screen display state meets a preset requirement; in response to touch operation received by a screen, determining a display region corresponding to the screen in the thumbnail; obtaining to-be-displayed contents corresponding to the display region from the original picture; and covering the display region by the to-be-displayed contents. The technical problem of difficulty in clearly viewing picture contents in a picture zooming or dragging process during viewing of the picture with relatively large size or relatively high image resolution inrelated technologies is solved.

The invention discloses a method, a device and a terminal for closing a process. The method for closing the process can comprise the following steps of: obtaining the process list of the terminal, wherein the process list comprises a plurality of processes; according to the process list, filtering a reserved process in the process list, wherein the reserved process comprises a system process and a desktop process; and ending processes except the reserved process in the process list to release memory space. By use of the technical scheme of the embodiment, the reserved process in the process list of the terminal is filtered, the processes except the reserved process in the process list are ended, the memory space of the terminal can be released, the operation fluency of the terminal is improved, interaction between users and optimization software is reduced, the operation time of the user is saved, and user experience is improved.

Embodiments of the invention disclose an application processing method and apparatus, a storage medium and an electronic device. The application processing method comprises the steps of obtaining usage information of a sample application at each sampling time point in a historical time period; according to the sampling time points and the usage information, generating training samples; training apreset Bayesian model by utilizing the training samples to obtain a trained first Bayesian model; fusing the first Bayesian model with a second Bayesian model to obtain a mixed Bayesian model, whereinthe second Bayesian model is obtained by training the preset Bayesian model by a server through utilizing the training samples corresponding to multiple electronic devices respectively; and based onthe mixed Bayesian model, processing a background application in the electronic device. According to the scheme, the final model is obtained in combination with the server and the electronic device, and the background application is processed, so that the resource occupation of the electronic device can be reduced, the running fluency of the electronic device is improved, and the power consumptionof the electronic device is reduced.

Embodiments of the invention disclose an application program processing method and device, a storage medium and electronic equipment. The application program processing method comprises the followingsteps of: obtaining first using information of a sample application program at each sampling time point in a history time period; obtaining second using information in a target history time period from the first using information; generating a training sample according to the sampling time points, the first using information and the second using information; training a preset algorithm model according to the training sample; and processing a background application program on the basis of the trained algorithm model. According to the method and device, the terminal resource occupation of the electronic equipment can be reduced, the operation fluency of the electronic equipment can be enhanced and the power consumption of the electronic equipment can be decreased.

The embodiment of the invention discloses an application program processing method and device, a storage medium and electronic equipment. According to the application program processing method, usageinformation of sample application programs at each sampling time point in a historical time period is acquired, training samples are generated according to the sampling time points and the usage information, then a preset Gaussian mixture model is trained according to the training samples, background application programs in the electronic equipment are processed based on the trained Gaussian mixture model and a preset Bayesian model. Through the scheme, occupation of resources in the electronic equipment can be lowered, operating smoothness of the electronic equipment is improved, and power consumption of the electronic equipment is reduced.

The invention provides a continuous horizontal dry-process anaerobic fermentation system, belonging to the technical field of fermentation plants. The continuous horizontal dry-process anaerobic fermentation system comprises a horizontal fermentation tank capable of rotating along the axis, wherein a biogas slurry reflux spray system is fixedly arranged in the fermentation tank; one end of the fermentation tank is a feed end, and the other end is a discharge end; the height of the feed end is greater than that of the discharge end; the feed end is connected with a mixing bin through a feed system; the feed end is provided with a biogas pipe; the discharge end is provided with a fermentation leftover discharge system; and a temperature measuring device is arranged inside the fermentation tank. Both ends of the obliquely-arranged horizontal fermentation tank are respectively connected with the automatic feed system and automatic discharge system, and the reflux spray system is arranged in the fermentation tank, thereby implementing continuous stable feed and discharge; and thus, the biogas slurry can implement circulating spray, and the marsh slag can implement circulating mixing. The continuous horizontal dry-process anaerobic fermentation system has the advantages of simple structure, reasonable design, high operation smoothness and low energy consumption, and can implement full-automatic control. The capacity aerogenesis rate is 1.0-1.5 m<3> / m<3>.d.

The invention discloses a pretreatment device for removing waste sundry goods from coal chemical industry wastewater. The pretreatment device comprises a pretreatment tank body I and a pretreatment tank body II, wherein a water equalizing screen tray is fixedly arranged right below a water inlet end along the horizontal direction, a screening conveying belt is horizontally arranged right below a tray body of the water equalizing screen tray, an oblique scraper plate is further tightly attached to a left end point of the screening conveying belt on the circumference of a follow-up delivery wheel, a rectangular screen filter screen hood is fixedly arranged on the internal wall of the top side of a tank body of the pretreatment tank body II corresponding to a right-below position communicating with a conduit, and a fine filter fabric belt sequentially passes through a filter fabric releasing motor and four guiding fixed pulleys and is wound on an output end shaft of a filter fabric coiling motor. According to the pretreatment device, due to four times of impurity removal operation, the pretreatment effect of granular impurities of the coal chemical industry wastewater is greatly guaranteed, the operation is simple and convenient, and higher operating requirements of industrial water treatment are met.

The invention relates to the technical field of hoisting equipment, particularly to a novel lever block structure which comprises a front wallboard and a back wallboard, wherein the front wallboard and the back wallboard are oppositely arranged at an interval front and back; a hoisting chain wheel is arranged between the front wallboard and the back wallboard; a long shaft stretching out in the front-back direction is connected onto the hoisting chain wheel; a clutch device is arranged at a position, on the front side of the front wallboard, of the long shaft; a wrench device connected with the front wallboard and matched with the clutch device is arranged outside the clutch device; an upper support rod is connected with a part above the hoisting chain wheel between the front wallboard and the back wallboard and is connected with a pothook; a hoisting chain hanging down below the left side and the right side is reeled on the hoisting chain wheel; one end of one of the left side and the right side of the hoisting chain is used as a load end and connected with a lifting hook, and one end of the other of the left side and the right side of the hoisting chain is used as a loose end and connected with a limiting pull ring; a guide chain device is further arranged between the front wallboard and the back wallboard. The novel lever block structure is safe and stable to use, high in carrying capacity and smoothness, excellent in guiding effect, and unlikely to be damaged.

The invention relates to an automatic door closer structure, which comprises a shell, a sliding set, a transmission set, a piston set and an elastic component. The sliding set is arranged and can move in the middle cavity of the shell, comprising a sliding base, a first trolley wheel and a second trolley wheel, the sliding base is provided with an upper board, a lower board and a slot formed between the upper board and the lower board, the first trolley wheel is arranged and can move in the slot, the second trolley wheel is fixedly arranged in the slot; the transmission set comprises a transmission shaft and an offset cam combined with the transmission shaft, the transmission shaft is hinged in a shaft hole of the shell and penetrates the sliding base, the offset cam is positioned in the slot of the sliding base and is butt connected with the first trolley wheel and the second trolley wheel; the piston set is arranged and can move in the back cavity of the shell, the piston set comprises at least a trunk piston which is provided with a first end part connected with the first trolley wheel; the elastic component is arranged in the front cavity of the shell and is butt connected with the sliding base. The automatic door closer structure provided by the invention can improve the smoothness of the operation.

The invention provides a construction waste sorting system. The system involves a crushing device, a wind separation device and a screening device for screening construction waste subjected to wind separation, wherein the crushing device, the wind separation device and the screening device are sequentially arranged and connected through a conveying device, the wind separation device comprises a conveying part for conveying the construction waste and a sorting part for sorting the construction waste in the conveying process of the construction waste, and the sorting part comprises a material throwing mechanism for throwing the construction waste and an air supply mechanism for blowing air to the construction waste. According to the system, the construction waste is sorted through wind separation, so that secondary pollution is avoided, the screening device is arranged behind the wind separation device, effective separation of the construction waste with different particle sizes is achieved, the sorting effect and the sorting speed of the construction waste are improved through cooperation between the wind separation device and the screening device, and the material throwing mechanism is arranged on the wind separation device, so that the sorting effect is further improved through effective wind receiving of the light construction waste.

The invention relates to a door closer, which comprises a shell, a sliding seat, a first roller, a second roller, a transmission set and a piston. The shell is defined with a long shaft direction and a short shaft direction, provided with a front cavity, a rear cavity and a middle cavity communicating the front cavity and the rear cavity along the long shaft direction, and provided with a shaft hole along the short shaft direction; the shaft hole is formed on the shell and runs through the middle cavity; the sliding seat is movably arranged in the middle cavity of the shell; the sliding seat is provided with a first plate, a second plate, a lateral plate for connecting the first plate and the second plate, and a clamping groove formed between the first plate and the second plate; the first roller is arranged in the clamping groove of the sliding seat, and the second roller is pivoted in the clamping groove of the sliding seat; the transmission set comprises a transmission shaft and an eccentric cam which is combined to the transmission shaft, wherein the transmission shaft is pivoted to the shaft hole of the shell, and the eccentric cam is positioned in the clamping groove of the sliding seat and butted with the first roller and the second roller; and the piston is arranged in the rear cavity of the shell and connected to the sliding seat. The piston and the sliding seat can achieve link displacement, and can improve the operating smoothness of the door closer.

The invention relates to an automatic door closing device, which comprises a shell, a slide unit, a transmission unit, a cylindrical piston and a first elastic part, wherein the shell is provided with a front cavity, a back cavity, an intermediate cavity, a shaft hole passing through the intermediate cavity and a first oil line, and the first oil line is provided with an oil inlet and an oil outlet; the slide unit is arranged on the intermediate cavity and comprises a slide seat and a first roller and a second roller which are arranged in the slide seat; the transmission unit comprises a transmission shaft pivoted in the shaft hole and an eccentric cam which is positioned in the slide seat and is pressed against the first roller and the second roller of the slide unit; the cylindrical piston is arranged in the back cavity and is provided with a first end part and a second end part, and the first end part is connected with the first roller; and the first elastic part is arranged in thefront cavity. The running smoothness of the automatic door closing device can be improved by the reciprocating motion of the slide seat and the cylindrical piston and the action of the first oil line.

The invention provides an electronic element work unit and work equipment using the electronic element work unit. A bearing device is provided with at least one bearing part. A picking mechanism drives at least one temperature maintaining structure to move to the position of the bearing device through a driving source. The temperature maintaining structure is provided with a temperature control box provided with a containing space. A door plank capable of being opened and closed is arranged at the position of an opening of the temperature control box. At least one control part capable of opening the door plank is arranged on the bearing device. At least one picking part is assembled in the temperature control box. When the control part abuts against the door plank to open the door plank, an electronic element about to work on the bearing device can be taken out. When the control part disengages from the door plank to close the door plank, the electronic element about to work is located in the sealed containing space of the temperature control box. A fluid supply device supplies fluid at the preset temperature to the containing space of the temperature control box. In the process that the picking mechanism transfers the electronic element about to work, the temperature maintaining structure can be used for preventing the electronic element from conducting cold and heat exchange with external air, the electronic element about to work maintains the preset temperature to execute work, and the purposes of improving the work quality and saving cost are achieved.

The invention discloses a rack base and a profile steel inspection bench. Vertical rotating rolls are arranged in the middles of the two ends, located in the length direction of a steel drawing guide rail in the rack base. The rack base is adopted for the profile steel inspection bench. Meanwhile, a hooking and taking piece provided with a mechanical structure is arranged on a steel drawing trolley for drawing steel, and a lifting steel rolling limiting mechanism is further arranged in gaps, located in the front of the steel drawing guide rail and in the conveying direction in an entry table, of entry rollers to achieve profile steel limiting. By means of the rack base and profile steel inspection bench, the rack base has better protective effect, and the situation that production efficiency is affected because the steel is destroyed in the drawing process and needs to be overhauled is avoided, and the rack base and the profile steel inspection bench further have the advantages of enabling the profile steel to berth precisely on the entry table for facilitating steel drawing and the like.

The invention provides line hooking and knotting equipment for badminton production and manufacturing. The equipment comprises a box body, an n-shaped plate, an output mechanism, a loading mechanism,a feeding mechanism, a telescopic driving mechanism, a line hooking mechanism and a line releasing mechanism; the top of the box body is fixedly connected with the n-shaped plate, and the center of the top of the box body is notch-shaped; side plates are vertically and fixedly connected to the positions, located on the left side and the right side of the notch, of the bottom in the box body, the tops of the side plates extend to the outer side of the box body, and a corrugated plate driving a blowing device is fixedly connected to the side, close to the blowing device, of the top of the supporting plate; and a groove is formed in the center of one side, close to the blowing device, of the corrugated plate. A first electric push rod is fixedly connected to the center of the lower end of thetop of the n-shaped plate, a fixing plate is fixedly connected to the top of the box and located on the rear side of the fixing block, and a pushing device is longitudinally and fixedly installed onthe side, close to the fixing block, of the fixing plate by corresponding to a feeding channel. The invention provides line hooking and knotting equipment for badminton production and manufacturing, and a problem of low working efficiency caused by manual feeding of badminton hook line knotting in the prior art is solved.

An embodiment of the invention discloses an application program processing method and device, a storage medium and electronic equipment. The application program processing method includes: acquiring using application of a sample application program at each sampling time point in a historical time period; generating a training sample according to the sampling time points and the using information;training a preset Gaussian mixture model according to the training sample; processing a background application program in the electronic equipment on the basis of the Gaussian mixture model after being trained. By the scheme, occupation of resources in the electronic equipment can be lowered, running smoothness of the electronic equipment is improved, and power consumption of the electronic equipment is reduced.

The invention relates to a method and a system for extracting a clear image frame from a recorded fundus video. According to the invention, each frame of the image of a video file is subjected to YUV treatment, and then the characteristic value of each pixel point is calculated. Meanwhile, a certain frame of the image with a maximum effective contrast average value is found, and finally the frame of the image is outputted. The method and the system can be applied to various fundus image acquisition equipments. A collector records a video which is directly captured by a camera shooting device during the collection process. For example, the entry pupil of an acquisition equipment is attempted to be aligned with the pupil of a to-be-collected person during the preparation stage, and a plurality of times of alignments are conducted during the collection process or high-quality fundus images are successfully captured momently or continuously. The shooting angle is coordinated and adjusted according to the to-be-collected person during the collection interval, and the transition stage is completed after the collection. The collector does not need to carry out manual editing on the video or set software parameters, and then a high-quality fundus image can be obtained after the software processing operation. Moreover, a representative part is further screened out through manual screening so as to be used for clinical diagnosis.

The invention provides a control method and device for a game. A first display area and a second display area are determined in a graphical user interface in response to first touch operation on the graphical user interface, and a first game scene area is displayed in the first display area; a second game scene area is displayed in the second display area, and a second operation response area corresponding to the second game scene area is provided in the second display area; in response to second touch operation on the second operation response area, a target virtual unit in the second game scene area is controlled to execute a game instruction corresponding to the second touch operation, so that a user can quickly control and deploy virtual units in two different game scene areas simultaneously, multithread control in the game is realized, the playability of the game and the operation fluency of the user are improved, and the interestingness and competitiveness of the game are enhanced.

The invention relates to the technical field of numerical control feeding equipment, in particular to a mechanical automatic feeding device and a feeding method thereof. The mechanical automatic feeding device comprises a material containing groove, a feeding mechanism, a clamping mechanism, a first driving assembly, a grabbing mechanism, a second driving assembly and a controller, wherein the material containing groove communicates with a residual material collecting groove; the clamping mechanism comprises a touch piece, a push rod and a chuck; and the grabbing mechanism comprises a sensor. The mechanical automatic feeding device has the beneficial effects that on the basis that the unified feeding standard is met through mechanical feeding, the equipment structure is simplified, the assembly difficulty is reduced, a mechanical arm is not needed, and the cost is reduced; the mechanical automatic feeding device has the function of automatically collecting residual materials, the residual materials are prevented from influencing the follow-up bar feeding effect, and the automation degree is high; and the mechanical automatic feeding device has the function of alarming and shutdown after automatically judging that abnormal conditions occur, and is stable in operation and high in safety.

The invention discloses a mattress surrounding edge overlock sewing machine, and relates to the technical field of mattress production and processing. Round corners are more tightly surrounded under the condition of guaranteeing product quality. The machine specifically comprises a main body frame, a feeding conveying belt, a machining conveying belt, a lining belt conveying mechanism, an edge surrounding mechanism, a cutting mechanism and a mistake-cutting preventing mechanism, wherein the machining conveying belt is arranged on inner walls on two sides of the main body frame, the feeding conveying belt is arranged on inner walls on the other two sides of the main body frame, the lining belt conveying mechanism comprises a lining belt mounting frame used for mounting a surrounding edge lining belt, a lining belt conveying motor, a lining belt conveying wheel and an adjustable feeding set, the lining belt conveying mechanism is arranged below one side of the machining conveying belt, and the surrounding edge lining belt is wound on the outer wall of the lining belt mounting frame. Through arrangement of a guide plate and a guide seam, the quality of surrounding edge overlock at theround corners of a mattress can be improved; and meanwhile through arrangement of a protection air cylinder and a protection head, the mattress can be protected when the surrounding edge lining beltis cut by the cutting mechanism, and mistaken cutting is prevented.

The invention discloses a robot machining path intelligent demonstration device and a using method thereof. The robot machining path intelligent demonstration device comprises a pen-shaped shell; a plastic pipe is inserted into the top end of the inner wall of the pen-shaped shell, and the top end of the plastic pipe is sleeved with a plastic cap; key switches distributed at equal intervals are embedded in the side wall of the pen-shaped shell; the bottom end of the side wall of the pen-shaped shell is sleeved with a first plastic ring and a second plastic ring; the bottom end of the side wallof the first plastic ring is provided with an annular outer groove; the top end of the inner wall of the second plastic ring is provided with an annular inner groove matched with the specification ofthe annular outer groove, and the annular inner groove is clamped to the annular outer groove; and the outer walls of the two sides of the pen-shaped shell are both provided with strip-shaped grooves, and spring pieces are clamped to the inner walls of the two strip-shaped grooves. According to the robot machining path intelligent demonstration device and the using method thereof, taking and placing are facilitated, installing is convenient, the machining path can be conveniently assisted in point drawing, the precision of the point drawing path is improved advantageously, the reliability ofthe robot machining path is improved advantageously, the demonstration effect is improved, and workpiece scratching is avoided.

The invention discloses a lift type roll steel limit mechanism. The lift type roll steel limit mechanism is characterized by comprising a mounting base, upward side plates are arranged on two sides of the mounting base, vertical baffle slide grooves are oppositely formed on the inner sides of the side plates, vertically slidable baffles are mounted in the baffle slide grooves, a lifting air cylinder is arranged on the mounting base, and a telescopic arm of the lifting cylinder and the baffles are connected and used for driving the baffles to lift up and down. The invention further discloses a profile steel inspection system adopting the lift type roll steel limit mechanism. By the profile steel inspection system, profile steel is accurately pulled over on input roller ways so as to facilitate steel drawing. Meanwhile, a rack base is well protected from being damaged by drawing, and resultantly, influence of maintenance on production efficiency is avoided. A hook part of steel drawing cart for drawing steel is realized by a purely mechanical structure and is simple in structure, so that no electrical faults are caused. Meanwhile, the profile steel inspection system has the advantages that the steel drawing cart is good in running smoothness, low in friction wear and is more convenient and reliable in connection with steel wires.

The invention relates to the field of fire-fighting equipment, in particular to a fire-fighting robot water-cooling system. The fire-fighting robot water-cooling system comprises a self-spray device and a water cooling system body, wherein the self-spray device is arranged on an outer shell of a robot, and the water cooling system body is located inside the robot. The fire-fighting robot water-cooling system aims at achieving the effects that water circulation cooling is conducted on a base plate, a motor and the integral outside of the robot; and the external temperature of the robot can be controlled, and effective heat dissipation can be conducted on the internal environment of the robot.

The invention relates to a plate feeding machine for a brick machine system. The plate feeding machine comprises a rack, a frame device is installed in the middle of the rack, a bearing device is installed on the back of the rack, and a lifting driving device is installed on the top of the rack; a guide device, a top plate device and a conveying device are installed on the frame device, and an alignment device is further installed in the middle of the frame device; the guide device comprises an outer side hanging frame and an inner side hanging frame which are installed on the frame device, afirst limiting plate and a second limiting plate are installed between the outer side hanging frame and the inner side hanging frame, and a first rolling wheel base and a second rolling wheel base which are opposite and provided with rolling wheels are arranged between the two limiting plates; the top plate device comprises a translation frame, and a top plate is hinged to the front part of the translation frame; and the conveying device comprises a first chain wheel and a second chain wheel, a translation chain is arranged between the two chain wheels, the translation frame is fixedly connected with the translation chain, and a translation driving device for driving the translation chain is further involved. According to the plate feeding machine, the structure is compact, the plate feeding efficiency is high, the operation smoothness is high, and the damage to a brick supporting plate is small.

The invention relates to a carton processing control system which comprises a client terminal, a background terminal, a control unit and an equipment unit. The client terminal comprises an ordering module and a display module, and the ordering module is in communication connection with the display module; the background terminal comprises an order receiving module, a sorting module, a processing module, a storage module and a parameter input module, the order receiving module is in communication connection with the ordering module and the sorting module, and the processing module is in communication connection with the sorting module, the storage module and the parameter input module; the control unit comprises a control module which is in communication connection with the processing module; the equipment unit comprises a paper feeding module, a pressing plate module, a printing module, a die cutting module, a nail sticking module and a packaging module which are connected in sequence.The paper feeding module, the pressing plate module, the printing module, the die cutting module, the nail sticking module and the packaging module are electrically connected with the control module.The carton processing system has the effect of conveniently controlling and managing carton processing and production.

A cooling fan comprises a fan frame, a stator and a fan wheel. The fan frame is provided with a metal base. The metal base is provided with a shaft connecting part. The stator is combined with the fan frame. The fan wheel comprises a hub, multiple blades and a permanent magnet. The hub is rotationally combined with the shaft connecting part of the fan frame. The blades are combined with the peripheral wall of the outer side of the hub. The permanent magnet is arranged on the peripheral wall of the inner side of the hub. A radial rotation range is reserved between the hub and the metal base. A magnetic attraction range is reserved between the permanent magnet and the metal base. A hollowed-out part is arranged on the metal base within the radial rotation range. The hollow-out part is located outside the magnetic attraction range. By the adoption of the hollowed-out part, magnetic lines generated by the permanent magnet can be dispersed, and therefore resistance generated when the fan wheel rotates can be reduced.

The invention discloses a working method of a knob device, which comprises the following steps: judging a first position of a conductive contact of a knob, the first position being located on one of aplurality of touch point areas on the surface of a touch panel, the touch point areas being separated from each other and arranged along an arc; after the knob rotates by an angle, judging a second position of the conductive contact of the knob, wherein the second position is located on one of the touch point areas; and when the first position and the second position are respectively positioned on two of the touch point areas, enabling the touch panel to judge whether the knob rotates clockwise or anticlockwise according to the two touch point areas. According to the working method of the knob device, the knob can be prevented from being misjudged to be in the shaking state of repeated clockwise rotation and anticlockwise rotation, and the operation fluency of an application program of the touch panel is improved.

The invention discloses a visual communication design display device which comprises a bottom plate, a vertical plate fixedly connected to the front side of the top of the bottom plate and a display device slidably connected to the front side of the vertical plate, a transmission box is fixedly connected to the rear side of the top of the bottom plate, and a motor is fixedly connected to the bottom of the back side of an inner cavity of the transmission box. A disc is fixedly connected to the output end of the motor, movable rods are movably connected to the top and the bottom of the front face of the disc through rotating shafts, first transmission rods are movably connected to the sides, away from the disc, of the movable rods through rotating shafts, and first pin shafts are movably connected to the bottoms of the first transmission rods through rotating shafts. According to the visual communication design display device, the effect that the height can be adjusted is achieved, and the problems that the height of an existing display device is fixed and cannot be adjusted, the heights of users are different, the users cannot conveniently explain design concepts, and the viewing experience of viewers is affected are solved.