56results about How to "Realize dustproof" patented technology

The utility model relates to the field of medical instruments, and discloses a device with a heat dissipation mechanism and a mobile station, and the device comprises a shell, at least one air inlet, at least one air outlet and at least one heat dissipation fan. The shell comprises a first cavity and a second cavity, the first cavity is communicated with the second cavity, the at least one air inlet is formed in the shell of the second cavity, the at least one air outlet is formed in the shell of the first cavity, and the at least one cooling fan is arranged on the shell and used for enabling air to enter the second cavity through the at least one air inlet. And the air is exhausted out of the first cavity from at least one air outlet. The air inlet and the air outlet are formed in the lower-layer cavity and the upper-layer cavity respectively, the heating device is arranged in the upper-layer cavity, and heat dissipation and dust prevention of the heating device can be achieved.

The invention provides foldable electronic equipment. The electronic equipment comprises a shell, a flexible display screen and a baffle, the shell comprises a first shell, a second shell and a rotating shaft assembly; the first shell and the second shell are respectively connected with the rotating shaft assembly, and the first shell and the second shell can rotate relative to the rotating shaft assembly; the flexible display screen is connected with the first shell and the second shell, the baffles are arranged on the two opposite sides of a bending area of the flexible display screen, a gap is formed between the baffles and the edge of the bending area of the flexible display screen, and the width of the gap is 0.05-0.5 mm. According to the electronic equipment, the baffle structures are arranged on the two opposite sides of the bending area of the flexible display screen, and the gaps are assembled and limited between the baffles and the edges of the bending area of the flexible display screen, so that on one hand, dust prevention of the position of the bending area of the flexible display screen can be achieved; on the other hand, the edge protection effect on the bending area of the flexible display screen is achieved, and the advantages of being simple in structure and good in overall consistency of the front face of the electronic equipment are achieved.

The utility model discloses a dresser structure capable of being curled and stored, which belongs to the technical field of dressers, and comprises a dresser main body, a mounting rack is arranged in an inner cavity of the dresser main body, a storage rack is fixedly connected to the inner end of the dresser main body, a plurality of storage grooves are formed in one end of the storage rack, and the dresser main body is fixedly connected with the mounting rack. According to the technical scheme, dustproof cloth is arranged on the inner sides of the strip-shaped door plates, rubber strips are arranged on the outer sides of the storage racks provided with the storage grooves, the storage racks are arranged on the inner sides of the storage racks, and the storage racks are arranged on the inner walls of the storage racks. The storage groove is shielded through the strip-shaped door plates, meanwhile, the dustproof cloth can abut against the rubber strips, sealing of the internal space of the storage groove and blocking of gaps between the adjacent strip-shaped door plates are achieved, and therefore dust prevention and moisture prevention of the interior of the storage groove are achieved, and the good state of cosmetics in the storage groove is guaranteed.

The utility model discloses a pulse laser device in industrial CR, comprising a conveyer belt, the top of the conveyer belt is provided with a support frame used for detection, the support frame is internally provided with an adjusting mechanism used for movement, and the adjusting mechanism is internally provided with a detection mechanism; by means of the arrangement of the detection mechanism, when the laser detector detects an electronic component, an air pump can work to inflate the interior of the first shell, and when gas enters the interior of the first shell, the gas is injected into the interior of the second shell by means of communication of a rotary connecting piece and the second shell, so that the detection efficiency is improved. The laser detector is arranged in the dustproof part, air is blown to the detection lens of the laser detector through the first spray head, the second servo motor works to drive the gear to rotate while the first spray head blows air, the second shell is driven to rotate through meshing connection of the gear and the gear ring, and the dustproof effect of the dustproof part is further improved.

The invention provides a two-dimensional code printing device with dustproof and automatic feeding and discharging functions, and belongs to the technical field of electronic 3C type component manufacturing. Comprising a machine frame, a vibration feeding device, a material moving device and a laser coding device, the vibration feeding device, the material moving device and the laser coding device are fixed to the machine frame, the material moving device comprises a multi-position fixing air cylinder and a sliding plate in threaded connection with the multi-position fixing air cylinder, a third groove is formed in the sliding plate, and the vibration feeding device conducts automatic feeding through a vibration disc and a straight vibrator. The multi-position fixed air cylinder has double strokes, the moving plate is driven to drive a workpiece to move from a feeding position to a coding position, then the coded workpiece is moved from the coding position to a discharging position, and automatic material moving and discharging are achieved. The feeding position and the code printing position are separately arranged through the material moving device. The automatic code printing machine has the advantages of being high in automation degree, low in operation failure rate and the like.

The utility model relates to the technical field of traffic signal lamps, in particular to a solar traffic signal lamp with high stability, which comprises a base, a supporting mechanism is mounted on the base, a guiding mechanism is mounted on the supporting mechanism, the guiding mechanism comprises a fixing plate and a signal lamp body, the fixing plate is mounted on the supporting mechanism, and the signal lamp body is mounted on the fixing plate. A signal lamp body is mounted on the fixing plate, a protection mechanism is mounted on the fixing plate, the upper protection plate slides in the mounting groove, a clamping hole is formed in the top of the mounting plate, the upper protection plate is slidably connected with a buckle, the top of the buckle is of an arc-shaped structure, the side wall of the buckle is vertical, and a spring is clamped between the upper protection plate and the buckle. And a power supply mechanism is arranged on the mounting plate with an opening in the surface, and the power supply mechanism is electrically connected with the signal lamp body, so that the solar cell panel can be stably connected with the traffic signal lamp, the dustproof effect of the signal lamp is improved, and traffic participants can watch the signal lamp conveniently.

This utility model discloses a magnetic dustproof and anti-volatile oil bottle, belonging to the field of edible oil packaging technology. It includes a lower base; a folding cup body is mounted on the lower base, and the folding cup body has a compressible folding area. Multiple spaced pleats are arranged along the longitudinal direction of the folding area, allowing the folding cup body to elastically deform between an unfolded and compressed state. The pleats are nested within each other in the compressed state. An upper base is mounted on the folding cup body, with an internal thread at the bottom and a corresponding threaded opening at the top of the lower base. A bottle neck seat is mounted on the upper base, with multiple sets of permanent magnets at the top. A sealing cap is mounted on the bottle neck seat, with multiple sets of magnetic blocks corresponding to the permanent magnets on the sealing cap. The permanent magnets and magnetic blocks attract each other. The design of the folding cup body, lower base, and upper base solves the technical problem of traditional oil bottles occupying a large amount of space during storage.

This utility model discloses an easy-to-install glass switch panel, belonging to the field of switch panel technology. It includes a housing, a knob on one side of the housing, a transmission mechanism inside the housing, a lead screw on one side of the transmission mechanism, a turntable at one end of the lead screw, a movable rod on one side of the turntable, a connecting body on the surface of the movable rod, a mounting frame on the surface of the connecting body, a dustproof component at the upper end of the mounting frame, and a protective plate assembly at the upper end of the housing. This utility model, by incorporating the dustproof component, achieves dust protection for the internal components of the housing, effectively preventing dust damage to the internal components and improving the practicality of the glass switch panel. Furthermore, by incorporating the protective plate assembly, this utility model provides protection for one side of the housing, reducing the risk of leakage caused by liquid splashing onto the housing and improving the safety of the glass switch panel.

The utility model discloses a distribution box for electric power facilities, which comprises an outer box body, the front end of the outer box body is provided with a box door, and the lower end of the outer box body is fixedly connected with a fixed base. According to the distribution box for the electric power facility, the protection top plate, the anti-collision plates, the connecting assemblies and the like are arranged, the protection top plate and the anti-collision plates on the two sides are used for protecting the outer box body and preventing the outer box body structure from being damaged during collision, and by means of the elasticity of the connecting springs, when the anti-collision plates are collided, the collision force can be buffered, and the outer box body is prevented from being influenced; the stability of the outer box body is improved, electronic devices in the distribution box are installed in the inner box body, so that the shielding plate can achieve shielding protection and play an anti-interference role, the heat dissipation structure is composed of the ventilation holes and the notches, air flow can be filtered through the filter screen plate during circulation, dust prevention is achieved, rainwater is prevented from entering the inner box body along the ventilation holes, and the service life of the distribution box is prolonged. And the protection effect is improved.

The utility model discloses a milk mixer water outlet structure which comprises a machine frame, a shielding assembly and a water outlet assembly, the machine frame is provided with an outer leakage opening, and a kettle is installed on the machine frame. The shielding assembly comprises a shielding cover and an elastic piece, and the shielding cover is movably mounted on the rack; the water outlet assembly comprises a rotating part, a driving device and a water outlet nozzle located in the rack, and the water outlet nozzle is connected with the rotating part and communicates with the kettle; the outer leakage opening and the shielding cover used for opening or closing the outer leakage opening are arranged on the machine frame, and the rotatable water outlet nozzle is arranged in the machine frame, so that the water outlet nozzle can be arranged in the machine frame when the machine frame is not used, the shielding cover can keep closing the outer leakage opening under the elastic recovery effect of the elastic piece, and insect prevention and dust prevention are achieved when the machine frame is not used. When the water outlet nozzle needs to be used, the water outlet nozzle can push away the shielding cover so that the shielding cover can open the outer leakage opening, and therefore the water outlet nozzle can extend to the outer leakage opening, and normal water outlet of the water outlet nozzle is achieved.

The invention discloses a fresh air, air conditioner and floor heating three-in-one intelligent balance controller, belongs to the technical field of assembly positioning mechanisms, and aims to increase an adjusting knob control mode for old users who do not use a panel control mode or are not used to use the panel control mode. The adjusting knob is rotated to adjust and push the connecting rod part to move until the movable joint is inserted into the control joint to realize connection with the control joint, the control joint is provided with at least three groups, each group of control joint is electrically connected with the central control module, and information is transmitted to the central control module; the central control module controls the corresponding floor heating driving module, the fresh air driving module and the air conditioner driving module so as to drive the floor heating module, the fresh air system and the air conditioner module, and a user can achieve the control mode through the touch panel part. And when a user adopts an adjusting knob to adjust, a linkage cleaning rod part can be synchronously driven to clean the display screen part.

The utility model relates to the technical field of cash deposit machines, and discloses a one-and-a-half-opening cash deposit machine with a cash deposit opening, which comprises a cabinet body, a window is arranged at the upper part of the front end wall of the cabinet body, a password input groove is arranged in the middle of the left side wall of the window, a card inserting position is arranged below the password input groove, and a cash deposit box is arranged in the window; the upper portion of the inner side wall of the cash storage groove is slidably provided with a dustproof plate, the rear end wall of the dustproof plate is provided with three first springs, the rear ends of the first springs are connected with the inner side wall of the cabinet body, the front end wall of the dustproof plate is provided with three electromagnetic locks, and the front portion of the inner side wall of the cash storage box is provided with three iron plates. And the iron plates and the electromagnetic locks are arranged at corresponding positions. According to the dustproof device, the electromagnetic lock is closed, the electromagnetic lock is separated from the iron sheet, the three first springs drive the dustproof plate to contract and drive the dustproof plate to move backwards, dust prevention is achieved, and internal pollution is prevented.

The utility model provides a passive lockset with double security certification, which relates to the technical field of intelligent locksets, and comprises a passive lock and an intelligent key, the passive lock comprises a lock body and a lock cylinder, a first control piece is arranged in the lock body, and the lock cylinder is in running fit with the lock body and is provided with an insertion hole; the intelligent key is provided with a key body, a second control piece, a fingerprint recognition module and an encryption module, wherein the fingerprint recognition module and the encryption module are electrically connected with the second control piece. A plug used for being matched with the jack is arranged or formed on the key body. Wherein the first control piece is configured to be in electric connection and communication connection with the second control piece when the plug is inserted into the jack, and drives an electromagnetic structure in the lock body to unlock after double security authentication formed by the fingerprint identification module and the encryption module is passed. Therefore, the problems that an existing mechanical lock is low in safety and inconvenient to manage are solved.

The utility model relates to the technical field of dustproof monitoring, and discloses workshop dustproof monitoring equipment, which comprises a monitoring equipment body, a base is fixedly mounted at the top of the monitoring equipment body, a supporting plate is fixedly mounted on one side, close to the monitoring equipment body, of the base, and a servo motor is fixedly mounted on the rear side of the bottom of the supporting plate; supporting rods are fixedly installed on the front sides of transmission shafts of the servo motors. By arranging the servo motor, the push rod motor and the frame, when dust is attached to the camera end, the frame can be separated from the sponge block through contraction of the transmission shaft of the push rod motor, then the transmission shaft of the servo motor drives the supporting rod to rotate, the supporting rod drives the movable plate to rotate, and during the period, the camera end can be wiped and dedusted through the sponge block; and after single use, the frame rotates in a return manner, abuts against the limiting block, and moves forwards in a return manner, so that the sponge block is stored in a dustproof manner, and the structure not only realizes dust prevention of the camera end, but also can store dustproof tools in a dustproof manner, and reduces the cleaning frequency of the dustproof tools.

The invention relates to the technical field of control cabinets, in particular to a plc control cabinet with a dustproof structure for a tunnel. Comprising a cabinet body; the opening and closing door is rotationally connected to the cabinet body, the opening and closing door is fixedly connected with a sealing strip used for keeping the cabinet body sealed, and electronic components are placed in the cabinet body; the first ventilation shell is fixedly connected in the cabinet body, and the first ventilation shell is fixedly connected and communicated with a corrugated pipe; the second ventilation shell is fixedly connected in the cabinet body and is communicated with the first ventilation shell; and the symmetrical ventilation shells are fixedly connected and communicated with the cabinet body, and the symmetrical ventilation shells are slidably connected with sliding shells. The states of the exhaust fans are monitored in real time, when it is detected that a certain exhaust fan stops rotating, the standby cooling channel is automatically switched, it is ensured that the standby cooling channel can carry out key cooling on electronic components in the plc control cabinet, and meanwhile the remaining exhaust fans continue to complete the cooling task on the electronic components.

The utility model relates to the technical field of asphalt production mechanical equipment, and particularly discloses a novel colored asphalt batch feeder which comprises an upper box body and a lower box body, a first cylinder and a second cylinder are respectively arranged on two sides of the lower box body and are both rotatably connected with the middle part of a lower crank arm, and the lower crank arm is fixedly connected with a lower rotating shaft; an inner door is mounted on the lower rotating shaft and is used for blocking and separating the upper box body and the lower box body; a lower crank arm connected with the first cylinder is rotatably connected with a connecting rod, the connecting rod is rotatably connected with an upper crank arm, the upper crank arm is fixedly connected with an upper rotating shaft, and a top cover is mounted on the upper rotating shaft and blocks an upper feed port of the upper box body; when the novel colored asphalt batch feeder is used for feeding, the top cover is opened through the air cylinder linkage device, the inner door is closed for feeding, after feeding is completed, the top cover is closed, then the inner door is opened, colored asphalt is fed into the main machine, dust prevention can be achieved, efficiency is improved, and time is saved.

This invention discloses a projection device, comprising: a housing with a projection hole; a lens connected to the housing to close the projection hole; a lens assembly disposed within the housing, the lens assembly including a telescopic portion and a fixing portion sleeved on the telescopic portion; a first sealing member sleeved on the outside of the fixing portion and extending towards the projection hole, the first sealing member having a first sealing surface inclined towards the projection hole; and a second sealing member disposed on the periphery of the projection hole and sealingly engaging with the housing, the second sealing member having a second sealing surface inclined towards the lens assembly, the second sealing surface abutting against the first sealing surface, the first sealing member and the second sealing member cooperating to form a sealed space, the sealed space accommodating the telescopic portion for sealing and dust prevention. This technical solution solves the technical problem of the difficulty in properly assembling the existing projector lens sealing structure.

The utility model provides a control cabinet with a dustproof structure, and relates to the technical field of electrical control cabinets. Supporting frames are welded to the left side and the right side of the inner wall of the main cabinet body, ventilation openings are formed in the left inner wall and the right inner wall of the main cabinet body, flow guide grooves are formed in the left outer wall and the right outer wall of the main cabinet body, and mounting plates are fixedly connected to the outer portions of the left side and the right side of the main cabinet body through screws. A push-pull piece is movably clamped in the ventilation opening; a base plate is welded to the inner end face of the mounting plate, and dustproof plates are fastened and clamped to the two sides of the base plate and the outer wall of the main cabinet body. A dustproof groove is formed in the dustproof plate, the bottom of the dustproof groove is communicated to the ventilation opening, and a dust collection part is clamped to the inner side of the dustproof plate and the outer wall of the main cabinet body; and through the design of the flow guide grooves, the dustproof grooves and the ventilation openings, dust in the air can be accumulated to the bottoms of the dustproof grooves in a concentrated mode, the dustproof effect is achieved, and the problem that the good dustproof effect is difficult to achieve without affecting the normal heat dissipation requirement is solved.

The invention belongs to the technical field of universal lenses, and discloses a high-definition ultrathin lens structure which comprises a high-definition lens structure, a dustproof assembly is arranged on the front face of the high-definition lens structure, a base is fixedly installed at the bottom end of the high-definition lens structure, and a cooling fin is arranged at the bottom end of the base. A heat dissipation copper sheet is fixedly installed at the position, close to the back face, of the bottom end of the base, and a groove is formed in the position, close to the back face, of the top end of the heat dissipation sheet. According to the invention, through the cooperation between the locking assembly and the base, the high-definition lens structure and the cooling fin are corresponding to each other and are pressed downwards, so that the locking and mounting process of the high-definition lens structure can be quickly completed, and meanwhile, the locking between the high-definition lens structure and the cooling fin can be quickly released by pulling the L-shaped plate, so that the dismounting process is completed; the whole disassembly and assembly process can be quickly completed, the problem that a traditional device needs to be installed through a specific tool is solved, and the disassembly and assembly efficiency is remarkably improved.

The invention provides an energy router with heat dissipation and dust prevention functions, which comprises an energy router cabinet body and a controller, and is characterized in that the energy router cabinet body comprises a heat dissipation mechanism arranged at the bottom end and a dust prevention mechanism arranged at the top end, the heat dissipation mechanism comprises a motor and a motor, and the controller is connected with the input end of the motor and the input end of the motor; the motor is started to drive the fan blades to rotate so as to dissipate heat, and the motor is started to drive the fan blades to swing left and right in a reciprocating manner, so that airflow generated by the fan blades can blow the two sides in the energy router cabinet body, and the heat dissipation efficiency can be improved; the fan blades can drive the communication position of the dustproof mechanism and the cabinet body to be opened in the left-right swinging process to dissipate hot air, and the motor drives the communication position of the dustproof mechanism and the cabinet body to be closed after heat dissipation is finished to prevent dust from entering, so that the service life of the energy router cabinet body can be prolonged.

The utility model belongs to the field of display stands, particularly relates to a display stand, and aims to solve the problems that an existing display stand is only provided with a single stand surface and needs to be placed or recycled by workers before and after an exhibition, so that the workload of the workers is increased, and the working efficiency is high in the display process. In order to solve the problem that people cannot completely watch the whole picture of an exhibit due to concentrated standing positions, the utility model provides the following scheme: the exhibition box comprises a box body, a pair of rails are fixedly connected between the inner walls of the two sides and the inner wall of the top of the box body, and a rotating shaft II and a rotating shaft IV are rotationally connected between the inner walls of the two sides of the box body. The worm gear and the worm drive the two guide blocks to move along the guide rails, so that the lifting table is driven to ascend and descend, exhibit exhibition and storage are achieved, the chain wheels and the chains drive all the rotating shafts to rotate, then the guide rail soft belts are driven to contract and expand along the supports, storage and dust prevention of the exhibit are achieved, and audiences around can better watch the full view of the exhibit.

The utility model discloses a motor transmission device with an anti-vibration function, which comprises a driving motor and a transmission part, the driving motor is provided with a motor body and a motor shaft, the transmission part comprises a transmission shell and a transmission core, the transmission shell is provided with a first end and a second end, a transmission cavity is arranged in the transmission shell, and the transmission core is connected to the transmission cavity in a penetrating manner. The transmission shaft is connected with the transmission shell; the first end of the transmission shell sleeves the end part of the motor body, so that the motor shaft extends into the transmission cavity and is connected with the transmission core; a first sealing structure is arranged on the peripheral edge of the end portion of the first end, a second sealing structure is arranged on the peripheral edge of the end portion of the motor body, and the first sealing structure and the second sealing structure are connected in an inserted mode and are in running fit. According to the motor transmission device with the anti-vibration function, the first sealing structure of the transmission part is in sealing fit with the second sealing structure of the driving motor, so that the transmission connection position of the connection position is sealed, and the vibration of the motor is reduced.

The invention discloses an air conditioner with a dustproof structure for a safety guarantee cabin, and relates to the technical field of tunnel construction guarantee cabins, an air conditioner outdoor unit is arranged in a machine shell, the front end of the machine shell is provided with an opening, a partition plate is fixedly arranged in the machine shell, the partition plate is arranged in front of the air conditioner outdoor unit, and an exhaust fan is fixedly arranged in the machine shell; the exhaust fan is arranged above the air conditioner outdoor unit, the filtering mechanism is arranged in the machine shell and above the partition plate, and the ash removing mechanism is arranged in the machine shell and below the partition plate. The dustproof structure of the air conditioner outdoor unit making contact with the external environment is improved, an air circulation and air filtering structure is additionally arranged on the basis of an existing air conditioner outdoor unit structure, a dust removal structure for the filtering structure is arranged, and therefore dust prevention of the air conditioner structure is achieved.

The utility model relates to a lifting device for a stacking machine and an assembly structure of the lifting device, and belongs to the technical field of stacking machines. The lifting device comprises a lifting assembly, a support and a dust cover. Wherein the lifting assembly is connected with the driving shaft through the locking disc, the synchronous belt wheel, the spacer bush, the oil retainer, the bearing and other components are sequentially arranged on the driving shaft, a bearing flange plate is adopted to replace a traditional mounted bearing, and radial run-out and cost are reduced; the upper end of the support is provided with a notch matched with the locking disc, so that suction caused by interference fit is avoided, and disassembly and maintenance are facilitated; the dustproof cover covers the exterior of the lifting assembly to provide protection. The structure is optimized, the problems that a traditional design is prone to abrasion, difficult to maintain, high in cost and the like are solved, and operation stability and economical efficiency are improved.

This application relates to an electromagnetic induction coil frame, including an inner frame, insulating columns, an insulating support plate, and an insulating plate. The inner frame is a cuboid, connected by multiple columnar structures bolted together. Multiple insulating columns are evenly distributed on the sides of the inner frame, with the insulating columns on both sides corresponding to each other. The insulating support plate includes upper and lower support plates, which are bolted to the front of the inner frame. The combined shape matches the front of the inner frame, with semi-circular openings of equal radius on the long side. The shape of the insulating plate matches the lower support plate. Multiple insulating plates are fixed between corresponding insulating columns in groups of at least two. This electromagnetic induction coil frame avoids closed-loop heating through a channel steel connection design. The insulating columns provide support to prevent heating from magnetic lines of force, resulting in a stable structure. The detachable design facilitates transportation, installation, inspection, and maintenance. The materials are lightweight and cost-effective. The outer protective cover of the insulating plate provides dust and electric shock protection. Overall insulation reduces potential hazards and meets equipment support requirements.

The present invention discloses a dustproof and moisture-proof dry-type transformer, which belongs to the technical field of transformers, and comprises a transformer body, a shell sealed and arranged outside the transformer body, and sealing cotton is filled between the transformer body and the inner side of the shell; a window is provided on one side of the shell, and a transparent panel is installed in the window, and the transparent panel corresponds to the side where the touch screen of the transformer body is located; a first control button is installed on the transparent panel, and the first control button comprises an inner slider and an outer slider, the inner slider is slidably installed on the inner side of the transparent panel, and the outer slider is slidably installed on the outer side of the transparent panel, and the outer slider is magnetically connected to the inner slider, and the inner slider is separated from the touch screen, and the inner slider can be made to contact with the touch screen to realize touch control by pressing the outer slider from the outside to the inside. The device of the present invention can provide comprehensive and multi-level protection for itself without affecting the normal use of the device to meet the needs of various dangerous environments.

The invention belongs to the technical field of sound box equipment, and particularly relates to a suspension type sound box, which comprises a substrate; the first mounting seat is arranged under the base plate; the second mounting seat is arranged under the first mounting seat; a sound box body; the protection plate is matched with the folding cloth; in the opening and closing process of the dustproof plate, a second motor is started, the second motor drives a bidirectional ball screw to rotate through an output shaft, a ball nut seat is arranged at the joint of the bidirectional ball screw and the movable plate, radial movement of the movable plate is guaranteed through the ball nut seat, and therefore the bidirectional ball screw drives the movable plate to move in the opposite direction; a second rack is driven by a moving plate to move in the opposite direction, a second gear is driven by the second rack to rotate in the opposite direction, a rotating shaft is driven by the second gear to rotate in the opposite direction, a protection plate is driven by the rotating shaft to rotate in the opposite direction, and the opening and closing functions of the protection plate are achieved. Therefore, dustproof and protection effects on the sound box body are realized.

The utility model discloses a refrigeration air conditioning equipment control box with a heat dissipation function, which comprises refrigeration equipment, one end of the refrigeration equipment is fixedly connected with a control box, the inside of the control box is fixedly connected with a water collecting box, the inside of the water collecting box is fixedly connected with a refrigeration pipe, and one end of the refrigeration pipe is fixedly connected with a cold air pipe. The utility model relates to the technical field of control boxes. According to the refrigeration air conditioning equipment control box with the heat dissipation function, through mutual cooperation of the refrigeration pipe and the water collecting tank, moisture in the control box is condensed, the control box can be kept dry, and short circuit caused by too high humidity is prevented; through mutual cooperation of the fan, the fixing frame and the refrigeration pipe, positive pressure is always kept in the control box, cold air of the refrigeration pipe is blown into the control box through the fan, the temperature in the control box can be reduced, and dust prevention of the control box can be achieved.

The utility model relates to the field of mixing machine, concretely relates to a high -efficient feeding formula material mixing machine, including mixing jar, be equipped with mixing mechanism in the mixing jar, be equipped with the guide chute under the mixing jar, be equipped with the flow control mechanism in the guide chute, the below of guide chute is equipped with the feeding mechanism, drive the pivot and mixing stirring board through the motor, and cooperate rotary connecting piece, realized the efficient stirring and full even mixing of material in the mixing jar, eliminated the stirring dead angle, shortened the mixing time, through the rudder control resistance plate rotation, make it with the flow groove accurate cooperation, realized the flexible adjustment of material flow speed, can control material flow according to different production demand, avoid the blockage or the broken flow.