44results about How to "Realize the swing function" patented technology

The invention belongs to the technical field of welding of robots, and in particular relates to an autonomous mobile robot system for metal-inert-gas (MIG) / metal-active-gas (MAG) multilayer multipass welding of a large thick plate. The system comprises a robot body, a control system and an MIG / MAG welding system, wherein the robot body comprises a crawling mechanism and an operating mechanism; the control system comprises a sensing system, a robot body control box and a robot master control system; the MIG / MAG welding system comprises an MIG / MAG welding gun, an MIG / MAG welding power supply, a wire feeding machine, shielding gas and a weld cooling system; and the robot body, the control system and the MIG / MAG welding system are connected with one another through cables. The system has the advantages that a contact type magnet-wheel adsorption and non-contact type clearance adsorption composite mode and a three-wheel full-drive wheel type movement mode are used by the crawling mechanism, so that a robot can autonomously and flexibly move at all positions on the surface of an operating object, can be reliably adsorbed and can perform all-position welding operation, and the system is high in comprehensive performance.

The invention discloses a multifunctional crib, which relates to the technical field of cribs, and solves the technical problems that the existing cribs do not have a cradle device for promoting the sleep of infants and adjusts the swing frequency of the cradle according to the sleeping conditions of babies. The bed body, the upper surface of the bed frame and the lower surface of the bed body are connected by hinges, the upper surface of the bed frame is provided with a cam, the cam and the upper surface of the bed frame are rotatably connected by transmission shafts and bearings, the lower surface of the bed body is provided with a roller bracket, the side of the bed body Equipped with a controller, the present invention is a multifunctional crib, which has the advantages of simple structure and a cradle soothing device for babies.

The present invention relates to the field of living furniture, in particular to a massage chair, comprising a base, and a seat body movably arranged on the base; the seat body is connected to the base through a swing device, which is a non-electric swing device; the swing The device includes a lower base, an upper base, an elastic assembly for adjusting the hinge angle between the upper base and the lower base, and a first limiting part, and the elastic assembly and the first limiting part are respectively located on both sides of the rotating shaft. Compared with the prior art, the massage chair proposed by the present invention realizes the tilting and rocking function of the chair body due to the non-electric rocking device installed under the seat body, improves the comfort, flexibility and fun of the massage chair, and overcomes the It overcomes the defect of single function of the traditional massage chair, and adopts the non-electric swing device with simple accessories. First, it is convenient for maintenance and lowers costs. Second, it is convenient for users to operate. Therefore, it can be used for more consumer groups and can be used for home and office use. , with a better market prospect.

The invention discloses a swing type multistage electric telescopic cylinder which comprises a first support, a second support, a shell, a worm, a worm gear and a worm gear shaft. The shell, the worm, the worm gear and the worm gear shaft are arranged between the first support and the second support. The shell is rotationally connected with the first support through a first rotating shaft. The shell is rotationally connected with the second support through a second rotating shaft. The worm gear shaft is of a cylindrical structure. The worm and the worm gear are installed in the shell. The shell is connected with a drive motor used for driving the worm to rotate. One side of the shell is connected with a sleeve. One end of the worm gear shaft stretches in the shell and is in running fit with the shell, and the other end of the worm gear shaft stretches in the sleeve. The worm gear shaft is connected with a multistage telescopic mechanism used for conducting step-by-step stretching and contracting under the drive of the worm gear shaft. By means of the swing type multistage electric telescopic cylinder, synchronous stretching and contracting can be achieved based on ingenious combination of worm gear and worm transmission and threaded transmission, a self-locking function is achieved, and a swing function can be achieved under a load reaction effect.

The invention discloses an adjustable air outlet structure of a warm air bath heater, and relates to the technical field of warm air bath heaters. The adjustable air outlet structure comprises mounting housings, wherein one surface of each mounting housing communicates with two air return pipes and two warm air devices; one surface of each mounting housing is further fixedly connected with a lighting assembly; one surface of each mounting housing is fixedly connected with a fresh air inlet pipe; the inner wall of each fresh air inlet pipe is fixedly connected with a first induced draft fan; one surface of each of the two mounting housings further communicates with an air outlet housing; and one surface of the air outlet housing is further fixedly provided with two air direction adjusting assemblies, and each of the two air direction adjusting assemblies comprises a ventilation pipe. According to the adjustable air outlet structure, through the design of the air direction adjusting assemblies, the bath heater can achieve directional ventilation heating and can also achieve multi-angle circulating ventilation heating, and through multi-angle circulating ventilation heating, all-around rapid heating of the interior of a room is achieved; and through the design of the air direction adjusting assemblies, the air swing function is achieved at the same time, and therefore uniform distribution of warm air is facilitated.

The invention relates to a uniform-heating grain drying device for agriculture. The uniform-heating grain drying device comprises a main body, a filter screen, a control panel and two supporting legs,and further comprises a stirring mechanism and a heating mechanism, wherein the heating mechanism comprises a gas inlet tube, a gas sucking pump, a gas outlet tube, a fixed box, a drive assembly, anelectric heating wire, a connecting assembly, a movable plate, a spring and a plurality of gas spraying assemblies; each gas spraying assembly comprises a supporting shaft, a swing rod, a spray nozzle, a connecting rod, a hose and a fixed plate; and the stirring mechanism comprises a transmission assembly, a rotary shaft, two first bearings and a plurality of stirring blades. According to the uniform-heating grain drying device for agriculture disclosed by the invention, the heating mechanism is arranged, so that a spray nozzle swing function is realized, a gas spraying range is expanded, anda drying effect is improved; and the stirring mechanism is arranged, so that a grain stirring function is realized, and grains are in sufficient contact with hot gas, and therefore, the grains are uniformly heated.

The invention relates to a swing arm drive device for spraying antifreeze on a coal-carrying train, belonging to the field of machinery design. The swing arm drive device for spraying the antifreeze on the coal-carrying train is characterized by being of a structure of changing a shaft diameter by means of shaft sleeves and arranging a drive mechanism in the middle of a shaft, and the swing arm drive device comprises a square upright, a clamp device, a slewing mechanism, a driving mechanism, a stop block, an upper arm assembly and a lower arm assembly. One shaft sleeve is designed at each end of the shaft of the swing arm drive device, and the drive mechanism is arranged in the middle area of a rotating shaft, thus the distance between an upper support plate and a lower support plate in a limited space is increased, and the force applied by the supported swing arm to the rotating shaft is reduced. According to the invention, the diameter of the rotating shaft is changed by means of the shaft sleeves, and the position of the drive mechanism is rationally arranged, therefore volume and weight of the swing arm drive device are reduced, cost is saved and field installation is convenient. The swing arm drive device for spraying the antifreeze on the coal-carrying train has the characteristics of lower horizontal rotating speed, smaller rotating driving torque and strong radial carrying capacity at two ends of the rotating shaft, is in particular suitable for support and horizontal rotating drive to the swing arm for spraying the antifreeze on the coal-carrying train.

The invention discloses a device for children to sit. The device comprises supporting frames (1) and rotating disc locking and unlocking devices (8). A driver (2) is arranged on each supporting frame (1), a rotating disc (3) driven by each driver (2) to rotate back and forth is connected to the driver (2), a lifting pipe (4) serving as a handle or swing arm and capable of sliding up and down relative to each rotating disc (3) is mounted on the rotating disc (3), a lifting seat (5) is connected to the lower end of each lifting pipe (4), a seat (6) is arranged on the lifting seats (5), a lifting limiting seat (7) for limiting when each limiting pipe (4) is positioned at the handle or swing arm position is arranged between the lifting pipe (4) and the corresponding rotating disc (3), and each rotating disc locking and unlocking device (8) is used for stopping the corresponding rotating disc (3) from rotating relative to the corresponding driver (2) when the corresponding lifting pipe serves as the handle as well as unlocking the corresponding rotating disc (3) when the corresponding lifting pipe serves as the swing arm. The device for the children to sit is simple and convenient in structure and can be used as both a seat and a swing.

The invention discloses a two-degree-of-freedom solar cell array unfolding device. The two-degree-of-freedom solar cell array unfolding device comprises a root hinge, an unfolding arm, an unfolding synchronizing mechanism, a swing mechanism and an adapter flange; the unfolding arm is connected with a driving mechanism of a solar cell array through a root hinge, the other end of the unfolding arm is fixedly connected with the swing mechanism, an output shaft of the swing mechanism is fixedly connected with the solar cell array through the adapter flange, and the unfolding synchronizing mechanism is connected with the root hinge and the swing mechanism; and the unfolding synchronizing mechanism is used for controlling the unfolding synchronism of the root hinge, the unfolding arm, the swinging mechanism and the solar cell array. Through the unfolding arm and the swing mechanism, after the on-orbit unfolding function of the solar cell array is achieved, the two-degree-of-freedom rotation function of the solar cell array is achieved through the unfolding arm and the swing mechanism together with the driving mechanism.

The invention discloses a cradle special for a new baby of an obstetrics and gynecology department. The cradle comprises a bed frame, a semi-ring gear, a side plate, an automatic voice control remotealarm apparatus, a frequency converter, a cross plate, a strip-shaped sliding chute, a fine mesh plate, a rectangular cover, an air conditioning tube, a circular lid, a silica gel heating strip plate,a placement strip slot, a sound sensor, a rack block, a voice coil motor, a voice control switch, a guide rod, a micro fan and a mesh enclosure. According to the cradle, a function of swinging the new baby cradle is achieved; the operating frequency of a swing driving structure is conveniently changed through setting a variable frequency conversion parameter on the frequency converter, and the baby can be easy to go sleep through debugging to use a proper swing frequency; the cradle can be connected with nurse foreground equipment via the automatic voice control remote alarm apparatus, and the sound sensor and the automatic voice control remote alarm apparatus installed in the bed frame, so that the purpose of prompting medical staffs to go to look after the baby making a sound is achieved; the functions of introducing comfortable air conditioning wind and generating a proper temperature are provided, and the quality of the rest environment of the baby can be improved.

The invention discloses a novel rotating shaft structure of a swinging rocket engine. The novel rotating shaft structure comprises a rotating shaft, a shaft cover plate and a shaft nozzle, the lower end of the rotating shaft is connected with the shaft cover plate in a welded mode to form a propellant liquid collecting cavity inside the rotating shaft, a key connecting port is formed in the upperend of the rotating shaft and used for being connected with a motor for providing torque, a bearing connecting port is formed below the upper key connecting port, two sections of sealing surfaces arearranged below the bearing connecting port, the two sections of sealing surfaces are connected with a dynamic sealing structure, and a plurality of propellant inlets are formed between the two sections of sealing surfaces; and the rotating shaft is connected with the shaft nozzle in a welded mode, and a propellant flows into the propellant liquid collecting cavity from the propellant inlets and flows out through the shaft nozzle. According to the novel rotating shaft structure of the swinging rocket engine, the fitting degree between the rotating shaft structure and the convergence section ofan engine combustion chamber is high so that the welding quality can be improved; the rotating shaft structure has a propellant flowing channel function at the same time, so that the structure of theengine is compact, and the appearance is attractive; and for the engine, swing hoses can be omitted, and all adopts metal hard pipes so that the engine can be provided with a heat control device conveniently.

The invention discloses a nozzle-angle-adjustable handle assembly based on a table type oral irrigator, and belongs to a handle assembly in the technical field of tooth cleaning equipment. Technical scheme: the nozzle-angle-adjustable handle assembly based on the table type oral irrigator comprises an upper handle and a lower handle, the top of the upper handle is provided with a control chamber, the top of the control chamber is provided with an angle adjusting groove, a rotating control assembly is arranged in the control chamber, the rotating control assembly comprises a swinging rod and a nozzle rod rotationally arranged on the swinging rod, the nozzle rod penetrates through the angle adjusting groove, a rotating motor assembly and a swinging motor assembly are sequentially arranged on the two sides of the swinging rod, an output shaft of the swinging motor assembly is rotationally connected to the swinging rod, and an output shaft of the rotating motor assembly is rotationally arranged at the bottom of the nozzle rod; According to the nozzle-angle-adjustable handle assembly based on the table type oral irrigator provided by the invention, a better operation convenience is achieved for some difficult-to-clean oral cavity parts when a user conducts cleaning and flushing.

The invention belongs to the technical field of tooth cleaning equipment, and particularly relates to a device for controlling a volume ratio of water to air injected by oral irrigator based on tartar colored patches. The device comprises a high-pressure air storage bottle, a water storage bottle, a nozzle and a protective shell, the high-pressure air storage bottle and the water storage bottle are arranged in the protective shell, the nozzle is arranged outside the protective shell, the high-pressure air storage bottle is communicated to the water storage bottle through a communicating pipe, the water storage bottle is communicated to the nozzle through a water conveying pipe, a one-way valve is arranged on the communicating pipe, and a water valve is arranged on the water conveying pipe; the high-pressure air storage bottle is communicated to a water valve-front water conveying pipe through an air conveying pipe, and an air valve is arranged on the air conveying pipe; a data acquisition module is arranged for acquiring morbidity of the tartar colored patches and residue data in real time, a analyzing and processing module is arranged for analyzing and processing the morbidity of the tartar colored patches and the residue data, and a control module is arranged for controlling the water valve and the air valve in real time according to the analyzed and processed data; and the volume ratio of water to air of the water flosser can be controlled in real time to clean the teeth according to the actual situation of the tartar colored patches or residues in teeth.

The invention relates to the technical field of tower fans, in particular to the cooling-heating dual-purpose tower fan. The tower fan comprises a base plate and a machine body; a cold air device anda warm air device are arranged in the machine body, and the cold air device and the warm air device are arranged at intervals; the machine body comprises a base and a shell rotationally connected withthe base; the cooling-heating dual-purpose tower fan further comprises a rotating device for enabling the shell to rotate on the base; the shell is provided with a cold air inlet window, a cold air outlet window, a warm air inlet window and a warm air outlet window; and the cold air device is arranged between the cold air inlet window and the cold air outlet window, and the warm air device is arranged between the warm air inlet window and the warm air outlet window. According to the tower fan, the cold air device and the warm air device are arranged in the shell at intervals, the cold air device and the warm air device can work independently, so that cold air and / or warm air can be blown by the tower fan; and in addition, the rotating device enables the shell to rotate on the base, so that the air swinging function is realized.

The invention provides a deflection mechanism and a surgical instrument, and relates to the technical field of medical instruments.The deflection mechanism comprises a machine body, a first deflection assembly, a second deflection assembly and a locking assembly, and a first driving wheel of the first deflection assembly is arranged on the end face of one side of the machine body and suitable for driving a first driven part of a driven mechanism to rotate; a second driving wheel of the second deflection assembly is arranged on the end face of the other opposite side of the machine body and is suitable for driving a second driven part of the driven mechanism to rotate; a locking hole structure is arranged on the first driving wheel, and a locking piece of the locking assembly is arranged on the machine body and suitable for penetrating through the locking hole structure to lock or unlock the first driving wheel. When the locking piece locks the first driving wheel, the clamping or shearing function of the driven mechanism can be achieved, when the locking piece unlocks the first driving wheel, the first driving wheel and the second driving wheel can drive the first driven piece and the second driven piece to rotate synchronously, and the deflection function of the surgical instrument is achieved; and the surgical operation can be conveniently carried out under the condition of different angles.

The invention relates to a wheel excavator and a walking steering method thereof and belongs to the technical field of excavation heavy industrial machinery. The device comprises a walking chassis, wherein the walking chassis comprises a main frame, wherein a front axle frame and a rear axle frame are arranged at two ends of the main frame; the front bridge frame is provided with a front axle andthe rear axle frame is provided with a rear axle; the front axle frame is connected with the main frame through a front vertical shaft; the rear axle is connected with the main frame through a rear vertical shaft; the main frame is provided with a steering oil cylinder, a front connecting rod, a hinging rod and a rear connecting rod; one end of a cylinder barrel of the steering oil cylinder is connected with the main frame; one end of a piston rod of the steering oil cylinder is hinged to the front axle frame; one end of the front connecting rod is hinged to the front axle frame and the otherend of the front connecting rod is hinged to one end of the hinging rod; the other end of the hinging rod is hinged to one end of the rear connecting rod and the other end of the rear connecting rod is hinged to the rear axle frame; and the middle of the hinging rod is hinged to the main frame. According to the wheel excavator and the walking steering method thereof, the steering of the wheel excavator can be realized through one oil cylinder; and the front and rear axle frames are steered simultaneously, so that the turning radius is small and the operation is flexible.

The invention discloses a massage chair which comprises bottom feet, a chair frame, a swing device and a chair shell. The chair frame is mounted on the bottom feet through the swing device; the swingdevice comprises a lower tray assembly, an upper tray assembly, a left torsional spring and a right torsional spring; the lower tray assembly and the upper tray assembly are hinged through a connecting shaft; the left torsional spring and the right torsional spring are respectively arranged at both ends of the connecting shaft in a sleeving mode; the upper ends of the left torsional spring and theright torsional spring are pressed against the upper tray assembly, while the lower ends are pressed against the lower tray assembly; the upper tray assembly is fixedly connected with two transversesupporting frames located at the bottom; and the lower tray assembly is mounted on the bottom feet. According to the technical scheme, the transverse left torsional spring and the transverse right torsional spring which are located between the upper tray assembly and the lower tray assembly are adopted for control, and compared with a vertical spring in a traditional non-electric swing device, which is located on the lower side of the lower tray assembly and used for resetting the chair shell, occupy a smaller space and can adapt to various specifications of existing massage chairs better.

The invention is applicable to the technical field of massage armchairs, and provides a massage armchair swinging structure which comprises a base frame and a swinging mechanism, and the swinging mechanism is arranged on the base frame in a swinging manner; the swinging mechanism comprises a swinging bottom frame, swinging driving arms symmetrically arranged at the two ends of the swinging bottom frame and a driving mechanism arranged on the swinging bottom frame, and the top ends of the swinging driving arms are rotationally arranged on the base frame; wherein the driving mechanism is matched with the bottom end of the swinging driving arms, and the driving mechanism rotates to drive the bottom ends of the swinging driving arms to do pendulum motion around the top ends of the swinging driving arms. The swinging driving arms which are symmetrically arranged at the two ends of the swing bottom frame are driven by the driving mechanism arranged on the swinging bottom frame, the top ends of the swinging driving arms are rotationally arranged on the base frame, the bottom ends of the swinging driving arms do pendulum motion around the top ends of the swinging driving arms, then the swinging function is achieved, and the swinging structure swings periodically along a fixed track, so that a user can be relaxed better, and the comfort is improved.

The invention discloses a device for children to sit. The device comprises supporting frames (1) and rotating disc locking and unlocking devices (8). A driver (2) is arranged on each supporting frame (1), a rotating disc (3) driven by each driver (2) to rotate back and forth is connected to the driver (2), a lifting pipe (4) serving as a handle or swing arm and capable of sliding up and down relative to each rotating disc (3) is mounted on the rotating disc (3), a lifting seat (5) is connected to the lower end of each lifting pipe (4), a seat (6) is arranged on the lifting seats (5), a lifting limiting seat (7) for limiting when each limiting pipe (4) is positioned at the handle or swing arm position is arranged between the lifting pipe (4) and the corresponding rotating disc (3), and each rotating disc locking and unlocking device (8) is used for stopping the corresponding rotating disc (3) from rotating relative to the corresponding driver (2) when the corresponding lifting pipe serves as the handle as well as unlocking the corresponding rotating disc (3) when the corresponding lifting pipe serves as the swing arm. The device for the children to sit is simple and convenient in structure and can be used as both a seat and a swing.

The invention discloses a bridge inspection vehicle door frame system applicable to variable gradient running. The bridge inspection vehicle door frame system applicable to the variable gradient running comprises a vehicle frame, and further comprises inner door frames, middle door frames, arc outer door frames and running parts, which are respectively arranged at two ends of the vehicle frame, wherein the arc outer door frames are installed on arc rails on the running parts in a sliding mode, the middle door frames are installed on the arc outer door frames through slewing bearings, an end head of the vehicle frame is inserted into the inner door frames, the inner door frame at one end of the vehicle frame is provided with a slide chute distributed in the lengthways direction and rotatably installed in the corresponding middle door frame through a connection piece formed by a sliding block segment and a rotation shaft segment, the inner door frame at the other end of the vehicle frameis provided with a round axial hole 2 axially perpendicular to the lengthways direction of the vehicle frame, and the vehicle frame and the inner door frame with the round axial hole 2 are installedin the corresponding middle door frame in a rotatable mode. When the bridge inspection vehicle door frame system applicable to the variable gradient running runs on variable gradient bridge floors ofarch bridges and the like, the bridge inspection vehicle door frame system applicable to the variable gradient running not only can adjust the horizontal angle of the vehicle frame, but also can adaptto the problems of included angle changes between the vehicle frame and each rail, extension and contraction of the vehicle frame and left-right height difference of a hanging point of the vehicle frame, which are caused by desynchrony of a left running mechanism and a right running mechanism.

The invention discloses a driving rocker base. The driving rocker base comprises a rocker arm made of titanium-aluminum alloy, wherein a positioning hole and a connecting hole are formed in the middle of the rocker arm; the positioning hole is communicated with the connecting hole; an installing hole and an installing groove are formed in one end of the rocker arm; the installing hole is circular; the installing hole is connected with the installing groove; a connecting rod is arranged at the other end of the rocker arm. The driving rocker base can drive a rocker conveniently, is conveniently connected with a rotating rod and is firmly connected with a pendulum rod.

The invention discloses a baby swing. The baby swing comprises a support seat, a swing rod and a seat rack, wherein a mounting box is arranged on the support seat and comprises a mounting box body andan upper cover matched with the body for use; the swing rod is arranged on the mounting box and comprises at least two suspension arm pipes; a connecting rod is movably connected between the suspension arm pipes and close to the surface of the mounting box body; a first through hole is formed in the middle of the connecting rod; a base located between the suspension arm pipes is arranged on the surface of the mounting box body; an eccentric wheel which is close to the base and capable of rotating is arranged on the base; the eccentric wheel rotates to drive the swing rod to rotate; a cross rod is arranged at the bottom of a seat rack, and an inserting part is arranged on the cross rod and matched with a positioning seat, so that the seat rack is rotatable and is detachably mounted on thepositioning seat. The problem of single use of an existing swing is solved, interestingness of the swing is increased, meanwhile, swinging of the swing is realized by the eccentric wheel, and the babyswing is simple in structure and convenient to maintain.

The invention discloses a trackless equipment central hinging structure with a swinging function, which is characterized in that a swinging frame is arranged between a front frame hinging frame and a rear frame hinging frame, an upper hinging shaft is arranged in an upper hinging fixing sleeve connected with the upper end of the front frame hinging frame, and an angular contact bearing coaxial with the upper hinging shaft is arranged in a bearing seat sleeve connected with the swinging frame; a lower hinge shaft is arranged in a lower hinge fixing sleeve and a lower hinge sleeve which are connected with the lower end of the front frame hinge frame, and a joint bearing coaxial with the lower hinge shaft is arranged in a lower hinge bearing gland connected with the swing frame; the swing frame is connected with the bearing supporting sleeve to guarantee coaxial installation with the inner ring of the slewing bearing, the inner ring of the slewing bearing is connected with the swing frame, and the outer ring of the slewing bearing is hinged to the rear frame. The device is convenient to maintain and repair, machining difficulty and cost are reduced, installation is convenient, efficiency is improved, and the failure rate is reduced.

The invention discloses an upper limb rehabilitation device which comprises a big arm clamping mechanism and a small arm clamping mechanism which are used for clamping arms, the big arm clamping mechanism and the small arm clamping mechanism are hinged through a hinge shaft A, the axial direction of the hinge shaft A is consistent with the bending rotation direction of the arms, and the big arm clamping mechanism and the small arm clamping mechanism are connected with an adjusting mechanism A; and the adjusting mechanism A is used for adjusting the forearm clamping mechanism to rotate around a hinge shaft A. The upper limb exercise device is stable in structure, reasonable in layout and stable in movement, achieves the effects of driving the upper limb arm of a patient to move and achieving exercise treatment, has physical therapy and massage functions, effectively promotes blood circulation, effectively promotes recovery and meets the current use requirements.

The invention relates to a magnesia dedusting system of an oriented silicon steel hot drawing annealing set, comprising a pneumatic valve, a dust remover, a fan, a dust-exhausting cover, an air curtain and ash transportation equipment, wherein the dust-exhausting cover and the air curtain are installed on an uncoiler and inlet scissors and are connected to the dust remover and the fan by the pneumatic valve and an air conduit; the ash transportation equipment is positioned on the lower part of the dust remover to remove magnesia dust cleaned by the dust remover. Because of adopting novel structure, the invention can overcome the defect of the prior art and especially has the advantages of high dust capturing efficiency, low energy consumption and failure rate and the like.

An air swinging and dry / wet distinguishing linked drive mechanism for a bath heater comprises a framework and a power mechanism; an exhaust chamber is arranged on the upper side of the framework, andan air inlet chamber is arranged on the lower side of the framework; an air swinging plate is installed in the exhaust chamber; a wind direction switching plate is installed in the air inlet chamber;the power mechanism comprises a drive motor, a driving wheel, a driven wheel and a synchronous belt; the driving wheel and a rotary shaft of the drive motor are in coaxial and rigid connection; the driving wheel is in coaxial and rigid connection with a rotary shaft of the air direction switching plate; and the driven wheel is in coaxial and rigid connection with a rotary shaft of the air swingingplate. The air swinging and dry / wet distinguishing linked drive mechanism for the bath heater, the air swinging angle and the air direction switching angle can be adjusted at the same time, adjustment of the warm air output direction is achieved, the air swinging function is achieved, hot air can be evenly distributed, and the comfort is improved when a person takes a bath. Through application oflimiting notches in ribs, the design requirement for the air swinging angle and the wind direction switching angle are met at the same time, accordingly the purpose that a stepping motor meets the air swinging and air direction switching is achieved, and the system cost is greatly reduced.