34results about How to "Linkage is reliable" patented technology

The invention belongs to the field of centrifugal pumps and particularly relates to a series-parallel connection centrifugal pump which has the flow channel series-parallel connection switching capacity. The series-parallel connection centrifugal pump comprises a pump body and a pump shaft. The pump shaft is provided with two impeller parts, and a first cavity channel and a second cavity channel are formed in a pump cavity corresponding to the two impeller parts. A first bypass flow channel, a second bypass flow channel, a first liquid outlet flow channel and a second liquid outlet flow channel are formed in the pump body, wherein the first bypass flow channel and the second bypass flow channel are used for communicating an outlet of an external liquid inlet pipeline and an inlet of the first cavity channel as well as the outlet of the external liquid inlet pipeline and an inlet of the second cavity channel respectively, and the first liquid outlet flow channel and the second liquid outlet flow channel are used for communicating an inlet of the external liquid outlet pipeline and an outlet of the first cavity channel as well as the inlet of the external liquid outlet pipeline and an outlet of the second cavity channel. A branch flow channel is further arranged in the pump cavity, one end of the branch flow channel is communicated with a liquid inlet of the second cavity channel, and the other end of the branch flow channel is communicated with the first liquid outlet flow channel to form a three-way joint. The series-parallel connection centrifugal pump further comprises a switching part, a switching assembly is arranged at the second liquid outlet flow channel, and the switching assembly and the switching part are in electric linkage or mechanical linkage. Due to the linkage structure, the series-parallel connection centrifugal pump is reasonable and practical in structure, long in service life and reliable and stable in work.

The invention discloses an atomizing device supporting multiple smoking modes. The atomizing device comprises the following components: a host shell (7); a main bracket (2); an upper end cover (1); anatomizer (5), arranged on an atomizer base (211); and a lower end cover (4). The invention further discloses a use method of the atomizing device. The atomizing device disclosed by the invention supports three smoking modes, and the smoking modes and air flow channels can be synchronously switched; the low-temperature baking fragrance generation temperature is controlled precisely; cigarettes arefully used; the smoking comfort is high.

The invention discloses an automatic separating device of an electric connector, and comprises a shell body. A connector base is arranged on the shell body; an insertion separating port is arranged on a panel of the shell body; a guide rail is movably assembled on a guiding device which guides in the plugging direction of the connector in the shell body; the connector base is movably assembled on the guide rail in the guiding direction of the guide rail; an automatic guide rail return mechanism which drives the guide rail to move to the return position in the plugging direction is arranged on the guide rail; an automatic connector base return mechanism which drives the connector base to move from the separation position to the splicing position is arranged on the connector base; and a retaining tongue locking mechanism for preventing the connector base from moving to the return position is arranged on the shell body in the splicing position of the insertion separating port. The power components of the separating device is used for skillful unlocking by utilizing external force from vertical and plugging direction; the separating action is realized by the guide rail return mechanism; the unlocking and the separating action can be completed instantly. Therefore, the separating device has the advantages of reliable linkage and no interference on an external system.

The invention provides an integrated lithium battery power supply cabinet, which comprises a cabinet body, and a plurality of battery modules are arranged in the cabinet body, are connected in series and are managed and controlled through a battery management system. An independent safety assembly is arranged in each battery module and the cabinet body, the safety assemblies serve as a fire safety mechanism and are used for ensuring the overall stability and the electrical safety of the cabinet body, and when the safety assemblies detect that continuous sudden temperature rise, smoking or fire breaks out in the battery modules, mechanical triggering is achieved, and the safety of the cabinet body is ensured. After being triggered, the fire extinguishing agent is communicated with a tank body filled with a fire extinguishing agent, so that the fire extinguishing agent enters the battery module through a pipeline, is uniformly dispersed into the battery module from the top of the battery module, is quickly gasified and absorbs heat after entering the battery module, extrudes internal excess air, prevents a fire point from being in contact with the air, and realizes quick and effective fire extinguishing and fire point spreading prevention; the safety coefficient is high. The integrated lithium battery power supply cabinet is stable and reliable to use, has a mechanical active fire extinguishing mechanism, and is high in safety.

The invention discloses an accelerator control system of a mini-tiller. A crank shaft box body is provided with an operating arm installation column and a spring installing column; an accelerator is provided with an accelerator arm; an accelerator return spring, a restoration support and an accelerator operating arm are sequentially sleeved on the operating arm installation column from inside to outside; the lower end of the restoration support is installed on the operating arm installation column; a return bracing wire spring is connected between the right end of the restoration support and the spring installation column; the left end of the restoration support is connected with an accelerator return bracing wire which is connected with a parking handle; the middle part of the accelerator operating arm is installed on the operating arm installation column; the middle part of the accelerator arm is installed on the accelerator; a refueling spring and an oil return spring which are respectively positioned at the left side and right side of the accelerator are connected between the accelerator operating arm and the accelerator arm; an accelerator wire is connected between the accelerator operating arm and the control device; and the restoration support and the accelerator operating arm are respectively and correspondingly provided with a pushing support lug and a stirring support lug. According to the invention, the accelerating, idling and parking of the mini-tiller can be realized well.

The invention discloses an integral passive broken belt protection device and an integral passive broken belt protection method for a belt conveyor. The device mainly consists of a rack and an upper self-locking wedge block, an upward overturning mechanism, a downward overturning mechanism, a lower self-locking wedge block and an overturning link gear which are arranged on the rack. A belt of the conveyor is controlled by the overturning link gear arranged between the upward and downward overturning mechanisms; when the conveying belt normally operates, the overturning mechanisms are kept balanced under the action of counter weights and a pressing force of the conveying belt; and when the conveying belt is broken, the pressing force of the conveying belt disappears and the balance is broken, and thus, a counter weight plate and a counter weight block are deflected to generate the torque to enable the upward and downward overturning mechanisms to be respectively self-locked with the upper and lower self-locking wedge blocks, so that the broken belt is clamped and braked. The integral passive broken belt protection device has a simple structure, is convenient to use, has high response speed, is simple to reset, is reliable to capture, is convenient to maintain, is particularly suitable for integral binding cloth of the rubber belt of the mine underground belt conveyor and is also suitable for other belt conveyors.

The invention discloses energy recycling equipment of aeration water flow. The energy recycling equipment comprises a barrel, wherein a vertical partition plate is arranged inside the barrel; the barrel is divided into a left part and a right part by the vertical partition plate; an aerating apparatus of an aerating system is arranged at the bottom of the right barrel; paddles capable of being impacted by aeration water flow are respectively arranged inside the left barrel and the right barrel of the barrel, and drive an output shaft to rotate and output energy; the vertical partition plate is arranged inside the barrel; the aerating apparatus is arranged at the lower part of the right barrel, so that the flow inside the two barrels is different in direction; the paddles are impacted by the water flow in different directions inside the two barrels, so that the energy recycling equipment can rotate along the same peripheral direction, and drives the output shaft to rotate. Thus, kinetic energy of the water flow generated by aeration is converted into reusable energy.

The invention discloses a progressive roller centrifugal brake which comprises a shell and a rotary shaft. A shaft sleeve is arranged in the shell; a centrifugal mechanism which can drive a driving shaft sleeve to rotate under the action of a centrifugal force and a brake mechanism which limits the shaft sleeve axially are arranged on the rotary shaft; the centrifugal mechanism comprises a centrifugal circular truncated cone, a roller and an elastic part, and the centrifugal circular truncated cone is provided with an arc-shaped chute matched with the roller. In an initial state, the roller islocated at the starting end of the arc-shaped chute under the action of the elastic part. During braking, the roller moves to a terminal of the arc-shaped chute gradually under the action of the centrifugal force till the roller is in abutted joint to the shaft sleeve. The shaft sleeve rotates along with the rotary shaft and moves toward the direction of the brake mechanism till the rotary shaftstops rotating to achieve braking. The progressive roller centrifugal brake provided by the invention not only is compact in structure and small in size, but also brakes progressively, so that the brake brakes more stably and balancely, and the reliability of the structure is improved and the service life of the structure is prolonged.

The invention discloses an automatic picking, cleaning and sorting mature peanut harvesting vehicle. The automatic picking, cleaning and sorting mature peanut harvesting vehicle comprises a vehicle body and a shovel plough, wherein the shovel plough is fixedly arranged on the right surface of the vehicle body and used for shoveling peanuts plants in soil by the roots; the right of the upper surface of the vehicle body is provided with a conveying mechanism, which can arrange, tighten and upwards convey the peanut plants as required; the inside of the vehicle body is provided with a guide plateopen upwards. According to the automatic picking, cleaning and sorting mature peanut harvesting vehicle, the shovel plough and the conveying mechanism work collaboratively to effectively shovel the peanut plants with soil by the roots and upwards convey the peanut plants into the vehicle body, thereby greatly saving labor; a vibrating mechanism can achieve vibrating effects during the conveying process to screen out the soil on the plants; a picking mechanism can automatically pick peanuts with the picking effects greatly increased and the number of picking loss greatly reduced.

The invention discloses energy recycling equipment of aeration water flow. The energy recycling equipment comprises a barrel, wherein a vertical partition plate is arranged inside the barrel; the barrel is divided into a left part and a right part by the vertical partition plate; an aerating apparatus of an aerating system is arranged at the bottom of the right barrel; paddles capable of being impacted by aeration water flow are respectively arranged inside the left barrel and the right barrel of the barrel, and drive an output shaft to rotate and output energy; the vertical partition plate is arranged inside the barrel; the aerating apparatus is arranged at the lower part of the right barrel, so that the flow inside the two barrels is different in direction; the paddles are impacted by the water flow in different directions inside the two barrels, so that the energy recycling equipment can rotate along the same peripheral direction, and drives the output shaft to rotate. Thus, kinetic energy of the water flow generated by aeration is converted into reusable energy.

The invention discloses a green environment-friendly enamel glaze removal device based on defective enamels. The device comprises a main machine, wherein a reaction cavity which is opened upwards is formed in the main machine; a support plate is arranged between inner walls of the reaction cavity in an up and down sliding manner; a defective enamel is placed on the support plate; and a enamel glaze removal mechanism which is used for implementing a chemical reaction on the defective enamel and used for removing an enamel glaze is arranged in the reaction cavity. By adopting the device, a veryoptimal rework effect is achieved for defective enamels produced in daily production of enamel plants, both a mechanical rework procedure and environment pollution can be also avoided, a whole enamelglaze removal procedure of the defective enamel can be simple and easy, wastes generated after processing can be collected and recycled, and generated waste liquids and materials can all meet emissionstandards, thus being green and environment-friendly.

The invention provides a leakage protection system of a switching device and a circuit breaker, and the system comprises: a housing which is internally provided with a partition plate to divide an inner cavity of the housing into a first assembly cavity and a second assembly cavity which are arranged side by side; an L-pole circuit breaking module which is mounted in the first assembly cavity and comprises a handle, an L-pole movable contact frame, a jump pin and a lock catch; the jump pin is pivoted on the L-pole movable contact frame and is in linkage fit with the handle; the lock catch is pivoted on the L-pole movable contact frame in a resettable manner and is in buckling fit with the jump pin; and an electric leakage protection module which is installed in the second assembly cavity and comprises an electric leakage release, an unlocking lever and an N-pole movable contact frame, wherein the unlocking lever and the N-pole movable contact frame are coaxially pivoted to the shell, one side of the unlocking lever is connected to the electric leakage release, and the other side of the unlocking lever is provided with an unlocking part extending transversely. The N-pole movable contact frame and the L-pole movable contact frame are connected through a linkage shaft penetrating through the linkage avoiding hole so as to synchronously swing. The mechanism is more compact in structure, smaller in size and more reliable in linkage.

The invention discloses an oiling machine output pipe emergency cutting protection device and an oiling machine. The device is arranged on an oil conveying pipeline of the oiling machine, and comprises a ball valve body, a valve ball, a valve rod and a handle; the valve ball is rotationally connected into the ball valve body; a connecting base is arranged at the middle part of the upper end of theball valve body; one end of the valve rod rotationally penetrates through the connecting base, and is connected with the valve ball in the ball valve body; and the handle is connected with the otherend of the valve rod. The device further comprises a locking mechanism and a torsion spring; the torsion spring sleeves the valve rod; one end of the torsion spring is fixed with the valve rod, and the other end of the torsion spring is fixedly connected with the connecting base; the locking mechanism is arranged on the valve rod, is positioned between the connecting base and the torsion spring, and is matched and connected with the connecting base; when the ball valve body is connected, the torsion spring is tightened, and the locking mechanism is matched and connected with the connecting base to fixedly constrain the valve rod; and when the matching between the locking mechanism and the connecting base is relieved, the torsion spring drives the valve rod to rotate, and the valve ball isrotated to switch the ball valve body in a closed state, so that the implementation is reliable.

The invention discloses a water heater which comprises a solar heating device, a gas heating device, a water delivery pipeline, a water temperature detection device and a control device. The water delivery pipeline sequentially penetrates the solar heating device and the gas heating device; the water temperature detection device is arranged between the solar heating device and the gas heating device and is used for detecting the temperature of water in the water delivery pipeline; the control device is connected with the water temperature detection device and the gas heating device and is usedfor controlling the gas heating device on the basis of the temperature of the water. The water heater has the advantages that the temperature of the water in the water delivery pipeline can be directly detected by the water temperature detection device and can be conveniently, quickly and accurately detected, and the water heater is high in control precision and response speed and low in production cost.

A light emitting diode product inspection device disclosed by the invention comprises a detection shell, a detection cavity with an upward opening is formed in the detection shell, the left side and the right side of the detection cavity are provided with moving cavities in a communicating mode, the left side and the right side of the detection cavity are in bilateral symmetry, the lower side of the detection cavity is provided with a transmission cavity in a communicating mode, and the transmission cavity is located on the lower sides of the moving cavities. The upper side of the transmission cavity communicates with two guide cavities which are symmetrical left and right, and the bottom wall of the transmission cavity is rotationally provided with two lifting threaded sleeves which are symmetrical left and right. According to the invention, the quality qualified state of the light emitting diode and the diode conductive column can be detected by clamping, lifting and reciprocating twice, the intelligent level is high, the manual labor force is reduced, the lighting condition of the light emitting diode and the diode conductive column can be detected, and whether the light emitting diode and the diode conductive column have the effect of single energization of the diode can also be detected.

The invention belongs to the field of centrifugal pumps and particularly relates to a series-parallel connection centrifugal pump which has the flow channel series-parallel connection switching capacity. The series-parallel connection centrifugal pump comprises a pump body and a pump shaft. The pump shaft is provided with two impeller parts, and a first cavity channel and a second cavity channel are formed in a pump cavity corresponding to the two impeller parts. A first bypass flow channel, a second bypass flow channel, a first liquid outlet flow channel and a second liquid outlet flow channel are formed in the pump body, wherein the first bypass flow channel and the second bypass flow channel are used for communicating an outlet of an external liquid inlet pipeline and an inlet of the first cavity channel as well as the outlet of the external liquid inlet pipeline and an inlet of the second cavity channel respectively, and the first liquid outlet flow channel and the second liquid outlet flow channel are used for communicating an inlet of the external liquid outlet pipeline and an outlet of the first cavity channel as well as the inlet of the external liquid outlet pipeline and an outlet of the second cavity channel. A branch flow channel is further arranged in the pump cavity, one end of the branch flow channel is communicated with a liquid inlet of the second cavity channel, and the other end of the branch flow channel is communicated with the first liquid outlet flow channel to form a three-way joint. The series-parallel connection centrifugal pump further comprises a switching part, a switching assembly is arranged at the second liquid outlet flow channel, and the switching assembly and the switching part are in electric linkage or mechanical linkage. Due to the linkage structure, the series-parallel connection centrifugal pump is reasonable and practical in structure, long in service life and reliable and stable in work.

The invention discloses an Internet of Things local device linkage method based on an MQTT message driving mechanism. The method specifically comprises the following steps: (1) arranging an equipmentlinkage rule engine at a cloud end, and associating a rule configured by the rule engine to a selected edge gateway; and (2) issuing configuration to an edge gateway end, carrying out edge calculationand rule engine logic linkage, specifically executing on an edge end, and when the network is unreliable, executing by local equipment according to user pre-configuration. The method has the beneficial effects that when the network is unreliable, local equipment still executes according to the pre-configuration of a user, so that the centralized processing pressure of a cloud platform is shared,and meanwhile, the local real-time reliable equipment linkage is realized without depending on a public network.

A light-emitting diode product inspection device disclosed by the present invention includes a detection housing, and a detection chamber with an opening facing upward is opened in the detection housing, and left and right sides of the detection chamber are connected with left and right symmetrical moving chambers. The lower side of the detection chamber is connected with a transmission chamber, and the transmission chamber is located at the lower side of the moving chamber. The upper side of the transmission chamber is connected with two symmetrical guide chambers, and the bottom wall of the transmission chamber is rotated. Two Left and right symmetrical lifting screw sleeves, the present invention can detect the qualified status of light-emitting diodes and diode conductive columns by clamping and lifting twice, has a high level of intelligence, reduces manual labor, and can not only detect It can also detect whether the light-emitting diode and the diode conductive column have the effect of single-phase power-on of the diode.

The invention discloses an integral passive broken belt protection device and an integral passive broken belt protection method for a belt conveyor. The device mainly consists of a rack and an upper self-locking wedge block, an upward overturning mechanism, a downward overturning mechanism, a lower self-locking wedge block and an overturning link gear which are arranged on the rack. A belt of the conveyor is controlled by the overturning link gear arranged between the upward and downward overturning mechanisms; when the conveying belt normally operates, the overturning mechanisms are kept balanced under the action of counter weights and a pressing force of the conveying belt; and when the conveying belt is broken, the pressing force of the conveying belt disappears and the balance is broken, and thus, a counter weight plate and a counter weight block are deflected to generate the torque to enable the upward and downward overturning mechanisms to be respectively self-locked with the upper and lower self-locking wedge blocks, so that the broken belt is clamped and braked. The integral passive broken belt protection device has a simple structure, is convenient to use, has high response speed, is simple to reset, is reliable to capture, is convenient to maintain, is particularly suitable for integral binding cloth of the rubber belt of the mine underground belt conveyor and is also suitable for other belt conveyors.

The invention discloses a small-diameter cylindrical sewing machine, which comprises a frame, a machine head arranged on the frame, and a cylinder located below the machine head; an eccentric installation through hole located above the axis of the cylinder is arranged in the cylinder, The eccentric installation through hole is equipped with a movable knife shaft cylinder, and the movable knife shaft cylinder is equipped with a rotary hook shaft; the movable knife shaft cylinder and the rotary hook shaft share a driving motor as power; the motor is connected to a transmission shaft, which is respectively connected to There are cam base and transmission assembly; the cam base is linked to a crank connecting rod assembly, and the crank connecting rod assembly is linked to the movable knife shaft; the transmission assembly is linked to the hook shaft; the clutch control assembly is used to control the clutch of the crank connecting rod assembly and the cam base , to realize intermittent thread trimming; in this way, through the structural design of the cylinder, moving knife shaft barrel, and hook shaft, and the moving knife shaft barrel and hook shaft share a driving motor as power, thereby effectively saving design space , which is conducive to the miniaturization design of the cylinder to meet the needs of small objects or small area processing and trimming.

The invention discloses a small-diameter cylinder sewing machine. The machine comprises a rack, a head arranged on the rack and a cylinder located below the head, wherein an eccentric mounting throughhole located above the axis of the cylinder is formed in the cylinder, a moving cutter shaft barrel is mounted in the eccentric mounting through hole, and a rotating hook shaft is mounted in the moving cutter shaft barrel; the moving cutter shaft barrel and the rotating hook shaft share one drive motor as power; the motor is connected with a drive shaft, and a cam seat and a drive assembly are connected onto the drive shaft; the cam seat is linked with a crank connecting rod assembly linked with the moving cutter shaft barrel; the drive assembly is linked with the rotating hook shaft; a clutch control assembly is used for controlling separation and combination of the crank connecting rod assembly and the cam seat to realize intermittent thread trimming. Thus, structural design of the cylinder, the moving cutter shaft barrel and the rotating hook shaft is used, the moving cutter shaft barrel and the rotating hook shaft share one drive motor as power, so that the design space is effectively saved, miniaturization design of the cylinder is facilitated, and the thread trimming demand of small object or small area processing is met.

The invention discloses a bi-direction balance type bellows compensator which comprises a left connection pipe, a ring cover, bellows, a guide pipe, an inner pipe, an outer pipe, a middle connection pipe, padding and a right connection pipe. The left connection pipe and the right connection pipe are thin-wall pipes, and one end of each thin-wall pipe is provided with a flange edge. The ends of the two thin-wall pipes are coaxially arranged in the mode of facing outside. Inner holes of the flange edges are respectively connected with the bellows in a sealing mode. The middle connection pipe in the middle is connected with the other ends of the bellows on the two sides in a sealing mode. The guide pipe and the inner pipe are coaxially arranged in inner cavities of the bellows together in a sleeved mode. The left end of the guide pipe is fixedly connected with the left connection pipe, and the right end of the inner pipe is fixedly connected with the right connection pipe. The outer pipe is a straight pipe covering the bellows in a sleeved mode. The flange edge of the left connection pipe and the flange edge of the right connection pipe are in clearance fit with the inner wall of the outer pipe. The inner wall of the outer pipe in the middle is fixedly connected with the middle connection pipe. The two ends of the outer pipe are respectively and fixedly connected with the ring cover. The padding is filled into the portion between the flange edges of the left connection pipe and the right connection pipe and the ring cover for forming a slide sealing pair. The bi-direction balance type bellows compensator of an integrated structure is small in axial dimension, and the two bellows can achieve the single-direction or bi-direction compensation motion and the balance motion synchronously.

This invention discloses a green environment-friendly removing device for porcelain glaze based on defective enamels, including a main body, a reaction cavity with an upward opening formed in the main body and a supporting plate slidably arranged between the inner walls in the reaction cavity, and an enamel residual product can be placed on the supporting plate, and a porcelain glaze removing mechanism capable of enabling the enamel residual defective product to generate chemical reaction and remove the porcelain glaze is arranged in the reaction cavity, has a very optimized reworking effect; does not need a mechanical reworking process and does not need to worry about the pollution environment, so that the porcelain glaze removal process of the whole enamel defective product is simple and trouble-saving; some wastes generated after processing can be collected and utilized, and all generated waste liquid wastes can reach emission standard and green and environment-friendly.

The invention discloses a demolding mechanism for a car front-end framework mold. The demolding mechanism comprises a fixed mold plate, a first movable mold plate, a second movable mold plate, a thirdmovable mold plate, an ejector rod assembly, a plurality of side core-pulling assemblies, a plurality of first pore-forming assemblies and two second pore-forming assemblies, wherein the ejector rodassembly is arranged below the fixed movable plate and used for ejecting the car front-end framework out of a mold cavity; the side core-pulling assemblies are located on the side face of the car front-end framework mold and used for forming the outer side wall of the car front-end framework mold; the first pore-forming assemblies are used for forming body mounting holes of the car front-end framework mold; and the two second pore-forming assemblies are arranged on the outer sides of two mounting legs of the car front-end framework mold and used for forming leg mounting holes of the car front-end framework mold and supporting the car front-end framework mold. The demolding mechanism for the car front-end framework mold has the advantages that smooth pore forming and smooth demolding are achieved, workpieces can be supported and protected so as not to deform, and the workpieces can be smoothly demolded.

A laser pointer capable of miniaturization is provided. A laser pointer (10) accommodates a semiconductor laser device (12) in a casing body (11), and can project laser light emitted from the laser device (12) from a projection unit (58) to form predetermined indication marks. The laser pointer (10) includes a lens holder (15) mounted with multiple lenses (46, 47), and the lens holder (15) is arranged between the laser device (12) and the projection part (58). A central axis (L) of laser light emitted from a light emitting surface (12A) of a laser device (12) is set to coincide with a central axis of a housing main body (11). The projecting part (58) is provided at the rotation center position of the rotation member (16) mounted on the housing main body (12), and the rotation center of the rotation member (16) is set to coincide with the central axis (L) .

The invention belongs to the technical field of linkage equipment, and provides a linkage device and a DR shooting machine. The linkage device comprises a guide base, a mounting block, a linkage block, a linkage positioning block and a first elastic component; the linkage block is slidably arranged on the guide base in the vertical direction; the linkage positioning block is slidably arranged on the mounting block in the longitudinal direction and provided with a groove, and buffering slopes are arranged at the two sides of the groove; the first elastic component is arranged on the mounting block and used for providing longitudinal elastic force for the linkage positioning lock, the guide base is used for being connected with a first linkage part, and the mounting block is used for being connected with a second linkage part. According to the linkage device and the DR shooting machine, the problem in the prior art that a linkage mechanism cannot be connected or is not easily separated due to excessive fastness is solved.

The invention provides an air conditioner with a rotatable filtering mechanism. The air conditioner comprises air openings, filtering devices and rotating volute tongues, wherein each filtering deviceis provided with an avoiding state for avoiding or partially shielding the corresponding air opening as well as a filtering state for completely shielding the corresponding air opening, and each rotating volute tongue is provided with a third state for shielding a part of the corresponding air opening and a fourth state for staying away from the corresponding air opening. According to the air conditioner with the rotatable filtering mechanism, one driving mechanism is in transmission fit with one filtering device and one rotating volute tongue in a corresponding way, so that the number of driving motors is reduced to the greatest extent, the reliable linkage between the filtering devices and the rotating volute tongues is effectively guaranteed; and meanwhile, when the rotating volute tongues shield static filtering mechanisms, the problem that air flow is blown out from the static filtering mechanisms so as to blow out dust when each air opening is taken as an air exhaust opening canbe prevented, the use experience for a user as well as the long-term use performance can be improved, the service life is prolonged, and the health of the user is guaranteed.