373results about How to "Simple transmission structure" patented technology

The technical scheme belongs to the technical field of sewing machines, and specifically relates to a thread trimming method of a thread trimming mechanism with double movable knives, comprising a frame, a thread trimming mechanism and a rotary shuttle mechanism; the thread trimming mechanism comprises a first movable knife assembly, a second movable knife assembly and a driving assembly; the first movable knife assembly and the second movable knife assembly are both rotatably sleeved on the outer side of the adapted rotary shuttle mechanism; the driving assembly drives the first movable knife assembly to rotate around an axis between a first position and a second position, and drives the second movable knife assembly to move around the axis between a third position and a fourth position; the first movable knife assembly comprises a thread trimming movable knife 1, which is provided with a thread hole groove for a machine needle to pass through and hook the sewing thread in the sewing start stage, and a thread hooking groove 1 for the sewing thread to hook into in the finishing stage; the second movable knife assembly comprises a thread trimming movable knife 2; the thread hole groove or the thread hooking groove 1 hooks the sewing thread, drives the thread trimming movable knife 2 to rotate around the axis until it abuts against the surface of the thread trimming movable knife 1, and the cutting edges of the two thread trimming movable knives overlap to cut the sewing thread, thereby reducing thread ends and improving production efficiency.

The invention belongs to the technical field of wastewater filtering treatment, and particularly discloses a high-adsorbability activated carbon adsorption device which comprises a self-adaptive stored power release mechanism, an energy storage impact mechanism, an induction type automatic valve clack mechanism and a main body filtering assembly, the self-adaptive stored power release mechanism is arranged on the energy storage impact mechanism, and the induction type automatic valve clack mechanism is arranged on the main body filtering assembly. The energy storage impact mechanism is arranged on the main body filter assembly, and the induction type automatic valve clack mechanism is arranged in the main body filter assembly. On the basis of traditional activated carbon adsorption, the split nut is designed, sliding control over the impact sliding plate is achieved by controlling opening and closing of the split nut, and elastic potential energy can be accumulated for the impact spring through slow sliding of the impact sliding plate; and after the elastic potential energy is released, the sliding plate is impacted to push water flow to reversely flow at a relatively high speed, so that the filter element is reversely washed and cleaned.

The invention discloses an ice cream machine easy to drive. The ice cream machine comprises a shell; the stirring shaft movably extends out of the shell; the lifting assembly comprises a lifting motor and a lifting mechanism, the lifting motor is fixedly arranged in the shell and drives the lifting mechanism to ascend and descend, and the stirring shaft and the lifting mechanism are connected and ascend and descend synchronously; the transmission assembly comprises a stirring motor and a transmission mechanism, the stirring motor is fixedly arranged in the shell and drives the transmission mechanism to rotate, the transmission mechanism is arranged on the lifting mechanism, and the transmission mechanism is connected with the stirring shaft and used for driving the stirring shaft to rotate. The invention solves the problems that the transmission structure of the ice cream machine is complicated and the motor is easy to break down.

The invention belongs to the technical field of dioxane separation, and mainly relates to a separation device for dioxane, the separation device comprises a heating sleeve, an evaporation sleeve, a central shaft and a driving part, the central shaft is provided with a blanking plate, an adjusting plate and a scraper assembly; the circumferential edge of the discharging plate is connected with the evaporation sleeve, a plurality of discharging holes are formed in the position, close to the circumferential edge of the discharging plate, of the discharging plate, and adjusting holes are formed in the adjusting plate. The scraper assembly comprises a central sleeve and a plurality of material scrapers, and a plurality of circumferential tension springs are arranged between the central sleeve and the central shaft; a transmission structure is arranged between the central sleeve and the adjusting plate, the size of an overlapped area of the discharging hole and the adjusting hole can be automatically adjusted according to the size of resistance borne by the material scraping plate, it is guaranteed that the amount of materials entering the evaporation sleeve in unit time is matched with the resistance borne by the material scraping plate, and it is guaranteed that a material film on the inner wall of the evaporation sleeve is evenly distributed; the separation effect of the dioxane is improved.

The invention discloses manual control type multi-degree-of-freedom operating forceps, and relates to the technical field of surgical operating instruments. In order to solve the problems that an existing minimally invasive surgical operating instrument is numerous and jumbled in structure and lacks a degree-of-freedom locking structure, and opening and closing of a forceps head are easily interfered by pitching and deflection of a handle, the following technical scheme is provided: the minimally invasive surgical operating instrument comprises the handle, a shell, an actuating part, a connecting rod, a transmission wire and the forceps head, and a locking part is arranged close to the front end of the handle; the action of the operating forceps in the corresponding degree-of-freedom direction is locked or unlocked; a transmission part is arranged in the shell, an arch-shaped arm is arranged at the tail end of the shell, the arch-shaped end of the arch-shaped arm is arranged around the top of the shell, the front end of the arch-shaped arm is connected with a connecting rod, and a tong head is arranged at the front end of the connecting rod. The transmission wire is arranged in the arch-shaped arm, and the transmission part transmits the action of the actuating part to the tong head through the transmission wire. According to the operating forceps, the accuracy of operation of the operating forceps is improved, the visual effect of operation control is improved, and the operation of controlling and locking / unlocking the forceps heads is simple and convenient.

The rotary-cut biopsy needle transmission structure comprises an outer sleeve of a linear structure, the tool bit end of the rotary-cut biopsy needle transmission structure coaxially penetrates through a rotary-cut tool tube in the outer sleeve, and the rotary-cut tool tube is in clearance fit with the outer sleeve; the hollow screw rod is coaxially and fixedly arranged at the position, away from the outer sleeve, of the rotary cutting knife tube in a sleeving mode, the hollow screw rod is coaxially sleeved with a linear driving gear, and the linear driving gear is in threaded fit with the hollow screw rod; one end of the hollow screw is coaxially sleeved with a rotary driving gear, and an inner pipe of the rotary driving gear is in sliding fit with the hollow screw in the axial direction of the rotary driving gear and is fixedly clamped with the hollow screw in the rotating direction of the rotary driving gear; during use, the linear driving gear rotates to drive the hollow screw rod and the rotary cutter pipe to linearly move along the axis of the hollow screw rod and the rotary cutter pipe; and the rotary driving gear rotates to drive the hollow screw rod and the rotary cutter pipe to rotate around own axes. The rotary cutting knife tube is driven to move in the mode, the structure is simple, transmission is stable, the operation risk can be reduced, and the operation success rate is increased.

The invention discloses an intelligent laser welding workstation for a high-voltage cable. The intelligent laser welding workstation comprises an operation table, a mechanical arm, a welding head, a camera assembly, a power assembly, a clamping assembly and a control piece. A control part is installed on the outer side of the operation table and comprises an image acquisition module, an image processing module, a track planning module, a motion control module, a quality detection module, a parameter adjustment module and a synchronous control module. Visual guidance and real-time monitoring in the welding process are achieved through the camera assembly, a welding center point is accurately positioned through an image processing algorithm, the track planning module generates a smooth welding path, and the parameter adjusting module dynamically adjusts welding parameters according to a molten pool image. The synchronous control module receives a production line signal to realize full-process automation of automatic clamping, welding and loosening; efficient and stable laser welding seamlessly integrated with the cable manufacturing process is achieved, and the automation degree, welding precision and product reliability of a production line are improved.

The present invention discloses an automatic vending refrigerator, comprising a main body, a refrigeration unit and a heating microwave oven. The main body is provided with a conveying assembly for placing and conveying lunch boxes; the conveying assemblies respectively convey the first conveying assembly for conveying lunch boxes in the vertical direction and the second conveying assembly for conveying lunch boxes in the horizontal direction; the second conveying assembly is arranged at the lower end of the first conveying assembly and receives the lunch boxes conveyed thereto by the first conveying assembly; the interior of the heating microwave oven is formed into a heating cavity, and the output end of the second conveying assembly is close to the dining end cover of the heating microwave oven and conveys the lunch boxes into the heating cavity. The refrigerator of the present invention integrates a refrigeration unit and a heating microwave oven therein. When the lunch boxes are stored, the refrigeration unit is used to keep the lunch boxes in the main body fresh at low temperature, ensuring that the lunch boxes can be stored for a longer time. When they need to be eaten, the heating microwave oven at the lower part is used to heat the corresponding lunch boxes, ensuring that the lunch boxes meet the edible temperature requirements when eaten.

The utility model discloses a six-arm type inspection robot capable of realizing single-line and double-line switching inspection, which comprises a robot body, and three primary line changing wheel discs are sequentially arranged on the robot body from front to back at intervals; two front movement mechanisms capable of independently rotating are arranged on the first-stage wire changing wheel disc at the front end; two self-power-taking mechanisms capable of independently rotating are arranged on the middle first-stage wire changing wheel disc; two rear movement mechanisms capable of independently rotating are arranged on the first-stage wire changing wheel disc at the rear end; the front movement mechanism, the self-power-taking mechanism and the rear movement mechanism are all connected to the overhead line in a suspended mode, and the front movement mechanism, the self-power-taking mechanism and the rear movement mechanism which are horizontally arranged on the same side are connected to the same overhead line in a suspended mode and can rotate synchronously when the overhead line is switched. According to the utility model, on-line real-time switching can be carried out, line obstacle crossing inspection of a single line and a part of split conductors can be completed, and the requirement of an inspection robot on the number of specific lines can be reduced.

The utility model relates to the technical field of circuit breakers, and particularly discloses a circuit breaker with a lock structure. The circuit breaker with the lock structure comprises a shell, an operating mechanism arranged in the shell and a draw bar connected with the operating mechanism, a locking assembly is arranged in the shell and comprises a lock body, a key connected with the lock body in an inserted mode, a rotating piece connected with the lock body and a sliding seat connected with the rotating piece, the rotating piece is used for pushing the sliding seat, and the draw bar is connected with the lock body. The sliding seat is in sliding connection with the shell, and the sliding seat is used for limiting closing rotation of the draw bar. The circuit breaker with the lock structure has an anti-operation effect, can lock the circuit breaker in an opening state, helps to reduce the risk that the circuit breaker is accidentally closed, and practically protects the safety of operators.

The utility model discloses a planetary transmission dough kneading machine, which comprises a machine base, a machine body, a stirring power assembly and a dough kneading barrel assembly, the machine body is connected with the rear part of the machine base, the stirring power assembly is arranged at the front part of the machine body, and the dough kneading barrel assembly is placed at the front part of the machine base and is positioned below the stirring power assembly; the stirring power assembly comprises a stirring motor, a gear box body, a worm and worm wheel assembly, a main shaft assembly, a planetary motion assembly and a dough kneading hook, the stirring motor and the gear box body are both fixed on a bottom plate at the front part of the machine body, the worm and worm wheel assembly and the main shaft assembly are both located in the gear box body, and the worm and worm wheel assembly is connected with the stirring motor; the main shaft assembly is connected with the worm and worm wheel assembly, the planetary motion assembly is connected with the main shaft assembly, and the dough kneading hook is connected with the planetary motion assembly. According to the planetary transmission dough kneading machine, the large-capacity dough kneading barrel is fixed, and the planetary motion of the dough kneading hook is equivalent to the compound motion of a double-acting dough kneading machine, so that the transmission structure is simplified, and the dough kneading motion stability is improved.

The invention discloses an electric shaver which comprises a first main body and a second main body, the first main body is configured to be grabbed by a hand, the second main body comprises a tool bit and a motor which are connected together, a cutting assembly is arranged on the tool bit, the motor is used for driving the cutting assembly to work, and the second main body is connected to the first main body in a floating mode. And the second main body and the first main body are arranged at an angle a. The floating tool bit has the characteristics of simple structure, good floating effect and good veneering effect of the working surface of the tool bit during operation, and the size is reduced and the space layout is optimized.

The invention relates to the technical field of bridge construction, in particular to a self-adaptive intelligent catwalk steel wire rope. Comprising a central strand and a plurality of ordinary strands, and the central strand comprises a core strand located at the axis and a plurality of transmission strands surrounding the outer side of the core strand in the circumferential direction; an optical fiber sensor which is arranged in a full-length manner and is used for monitoring the steel wire rope penetrates through the core strand; the transmission strand is in transmission connection with the core strand and drives the core strand to rotate around the axis under the action of external torsion; the ordinary strands surround the outer side of the center strand in the circumferential direction to form a steel wire rope structure, and the center strand can be connected among the ordinary strands in the mode of rotating around the axis of the center strand. The catwalk steel wire rope is simple in structure and very easy to install, manufacture and assemble, the steel wire rope can be monitored in real time, early warning can be given out in time, a user is reminded, safety accidents are avoided, meanwhile, the catwalk steel wire rope can adapt to torsional deformation of the steel wire rope, the internal optical fiber sensor is not prone to damage, and the service life is long.

The present application belongs to the technical field of medical apparatus and instruments, and particularly relates to a four-direction transmission bronchoscope. The present application comprises a shell, a rocker transmission assembly installed at the rear end of the shell, and a flexible insertion part installed at the front end of the shell. The rocker transmission mechanism comprises a cross rocker frame, a rocker, and four driving ropes. One end of the driving ropes is in transmission connection with the rocker through the transmission assembly, and the other end is fixedly arranged at the tail end of the flexible insertion part. The rocker is configured to, under the action of an external force, pull the corresponding driving ropes through the transmission assembly to drive the tail end of the flexible insertion part to continuously deflect and adjust in four directions, i.e. up, down, left and right. The present application integrates the rocker, the cross rocker frame and the four driving ropes in the shell, and adopts a single rocker linkage four-rope layout to replace the split layout transmission mode of the traditional multiple independent steel wire cooperating with independent transmission wheel sets, thereby significantly simplifying the transmission structure and improving the integration degree and space utilization rate of the rear end transmission assembly.

The utility model belongs to the technical field of pot seedling transplanters, and particularly relates to a linkage type seedling taking device of a transplanter, which comprises an upper seat plate, a seedling taking claw support is slidably mounted on the bottom surface of the upper seat plate, a seedling taking claw component is slidably mounted on the seedling taking claw support, and the sliding directions of the seedling taking claw support and the seedling taking claw component are perpendicular to each other. The seedling picking device is characterized in that a support driving air cylinder is installed on the front side of the seedling picking claw support, a swing driving air cylinder is installed at the bottom of the seedling picking claw support, the structure of a driving device is simplified, the power transmission efficiency is improved, the daily maintenance cost is reduced, and the seedling picking device has high environment adaptability.

The utility model provides a photocatalyst preparation device, which relates to the technical field of photocatalyst production, and comprises a tank body, a liquid delivery pipe, a feed pipe and a liquid outlet pipe, the top end of the tank body is connected with the liquid delivery pipe and the feed pipe, the top end of the feed pipe is hinged with an end cover, the bottom end of the tank body is communicated with the liquid outlet pipe, and the liquid outlet pipe is connected with the liquid delivery pipe. A stirring mechanism is arranged in the tank body; the stirring shaft can be driven by the motor to rotate in the tank body, the stirring shaft stirs base liquid and crystal powder in the tank body to be mixed through the stirring blades on the outer side of the stirring shaft, and the stirring shaft drives the arc-shaped plate to rotate in the tank body through the support rod. The mixing effect of base liquid and crystal powder in the tank body is better by stirring the base liquid and the crystal powder up and down, the motor drives the homogenizing shaft to rotate in the tank body through the driving gear and the driven gear, and the base liquid is fully scattered into small liquid drops, so that the base liquid is helped to fully wrap the crystal powder to form a photocatalyst solution.

The utility model relates to the technical field of exterior rearview mirrors, and discloses a novel foldable electric exterior rearview mirror which comprises a base support and a rotating arm assembly, a rotating mechanism is arranged between the base support and the rotating arm assembly, and the rotating mechanism comprises a rotating support, a fastening bolt, an output gear ring, a spring support, a spring and a tensioning support. The rotating arm assembly is installed on the base support, then the spring, the spring support and the tensioning support are sequentially arranged in the rotating arm assembly in a sleeved mode, then the fastening bolt penetrates through the base support and is locked with the tensioning support, rapid assembly of the base support and the rotating arm assembly is achieved, the transmission structure of equipment is simplified, and the overall size is reduced. And the convenience of equipment disassembly and assembly is improved.

This utility model discloses a shaping, cooling, and cleaning device for pigskin puffing processing, including a spraying mechanism and a feeding mechanism. The spraying mechanism includes a clean water tank, a water supply pipe, a diversion pipe, and a spray pipe. The feeding mechanism includes an equipment frame, a chain conveyor belt, a hanger, a drive motor, a submersible pump, and cleaning wheels. The hanger is fixedly installed on the upper surface of the equipment frame. The drive motor is installed on the side surface of the equipment frame to drive the chain conveyor belt and cleaning wheels. The submersible pump is installed in the water supply tank and supplies water to the diversion pipe through the water supply pipe. The diversion pipe is connected to the top of the spray pipe, and the spray pipe is movably installed on the equipment frame. This utility model has the advantages of adjustable spray angle, self-cleaning conveyor belt, and thorough cleaning, solving the problems of incomplete cleaning and cross-contamination caused by traditional equipment.

The utility model discloses a box body structure of a water-cooled mining permanent magnet synchronous electric integrated roller frequency converter. The box body structure comprises a box body, the box body is of a square cylindrical structure, a wiring cavity shell is arranged in the box body and opens towards the front side of the box body, a front door plate and a wiring cavity cover plate are installed on the front side of the box body, and the wiring cavity cover plate is matched with the opening of the wiring cavity shell. The front door plate and the wiring cavity cover plate form a whole which completely seals the front side of the box body, an explosion-proof cable connector is further fixed to the front side of the box body, a frequency converter water-cooling plate which completely seals the rear side of the box body is installed on the rear side of the box body, a backpack box is fixed to the rear side of the frequency converter water-cooling plate, and a motor shaft end flange is installed on the side, away from the frequency converter water-cooling plate, of the backpack box. According to the water-cooled mining permanent magnet synchronous electric integrated roller frequency converter box body structure, an electric control unit and a mechanical unit are fully integrated together, the energy efficiency is high, the integration degree is high, follow-up field installation and operation are convenient, and the application prospect is good.

The present invention relates to the technical field of lighting equipment, and specifically to an energy-saving lighting equipment with multi-angle adjustment, including a protective shell, a lamp body, an angle adjustment component and a folding component. The protective shell is used to protect various internal components. The folding component is provided with a quick-disassembly assembly component, and the folding component is used to fold the lamp body and store the lamp body in the protective shell; the angle adjustment component is provided with a fastening nut, the interior of the fastening nut and the exterior of the lamp body are connected to each other through threads, and the angle adjustment component is arranged on the quick-disassembly assembly component. The present invention adopts a fifth rotating drive member to move the first folding rod and the second folding rod, so that the lighting element can adjust the height, and can be adjusted in multiple directions in conjunction with the internal angle adjustment component, thereby increasing the illumination range and facilitating the use of the operator. At the same time, the lighting element can also be extended or stored in the interior of the protective shell to protect the lighting component.

The utility model relates to the field of automobile maintenance, in particular to a gantry four-wheel positioning lifting machine which comprises two fixed stand columns, an approach bridge and a lifting module, the two fixed stand columns are symmetrically arranged, the bottoms of the two fixed stand columns are fixedly connected with fixed bases, the tops of the two fixed stand columns are fixedly connected through a connecting base, and the connecting base is fixedly connected with the approach bridge. A main engine oil cylinder and an auxiliary engine oil cylinder are arranged on the inner sides of the two fixing stand columns correspondingly, an electric control hydraulic pump station is arranged at the right ends of the surfaces of the fixing stand columns, and the lower ends of the safety clamping blocks are connected with small air cylinders through connecting rod structures. The movable table is of a movable structure, so that the movable table slides towards the inner side, the movable table is flush with the workbenches on the two sides, fixing is achieved through connection of the manual bolt rods and the bolt holes, and therefore in the maintenance operation of the battery pack of the new energy automobile, the manual bolt rods are pulled out, the movable table can slide towards the outer side, and the movable table is fixed. And the operation space of the chassis is increased, different use requirements can be met conveniently, and practicability is improved.

This invention discloses a chemical equipment exhaust gas filtration device, belonging to the field of chemical equipment technology. The chemical equipment exhaust gas filtration device includes a purification cylinder, with a connecting member installed on the upper surface of the purification cylinder, and a filter assembly installed inside the connecting member. The filter assembly includes a purification mechanism for purifying impurities and a cleaning mechanism for removing sticky impurities, with the cleaning mechanism installed inside the purification mechanism. The purification mechanism includes a partition fixedly connected inside the purification cylinder. This invention, by setting a dedicated cleaning mechanism, can efficiently and thoroughly clean oily impurities and viscous dirt adhering to the inside of the purification mechanism, effectively avoiding problems such as blockage and increased resistance caused by impurity accumulation. The purification device, after timely cleaning, can maintain good operating conditions and achieve long-term stable continuous operation, thereby ensuring that the overall treatment efficiency is not affected and significantly improving the service life and reliability of the device.

The invention relates to the technical field of special equipment for agricultural and sideline product processing, and discloses a sausage spacing self-optimizing energy-saving hanging rod system based on machine vision, which comprises a chassis and an electrical cabinet fixedly mounted at one end of the chassis, two upright posts are arranged on the top surface of the chassis, a top frame is arranged at the top ends of the two upright posts, and a conveying belt is arranged on the outer wall of the top frame; and a driving structure for driving the conveying belt is arranged on the electrical box. A two-stage correction structure of the sausage shaking assembly and the adjusting assembly is adopted, sausage preliminary returning is achieved through regular shaking of the sausage shaking assembly, accurate straightening is completed through the inertia effect by the adjusting assembly when sausage is not corrected in place, and the problem that the ends of sausages are hung mistakenly can be effectively solved through double correction; the sausage hanging device ensures that the joints of sausages are accurately hung at the preset positions of the hooks, so that the distance between the sausages after hanging meets the technological standard, the conditions of uneven heating and stacking extrusion caused by abnormal distance in subsequent processing are avoided, and the sausage processing yield is improved.

The application discloses a control device of a full-automatic electric pencil sharpener, which can control a pencil feeding driver in addition to a pencil sharpening driver, so that the pencil feeding and the pencil sharpening are controlled separately. A pencil tip adjusting switch is arranged in a hobbing assembly and is electrically connected with the control device. In use, when the pencil is cut and before the pencil is polished, the pencil tip of the hobbing assembly can trigger the pencil tip adjusting switch assembly to send a signal to the control device, and the control device controls the pencil feeding mechanism to stop feeding the pencil. Therefore, the phenomenon of broken core during the polishing of the pencil can be effectively avoided, and the pencil sharpening effect of the electric pencil sharpener is improved.

The utility model discloses a crushing device for olive leaves. The crushing device comprises a shell, a supporting frame used for bearing the shell, an olive leaf crushing structure arranged in the shell and an inner wall cleaning and scraping structure. The inner wall cleaning and scraping structure comprises an annular scraping piece located in the shell, two sets of transverse rods fixedly installed on the annular scraping piece, a vertical rod used for connecting the two sets of transverse rods, a linear motor and a push rod fixed to the vertical rod. The linear motor drives the transverse rod to drive the annular scraper to do reciprocating linear motion in the horizontal direction. And the olive leaf crushing structure comprises a driving motor, a rotating shaft and blades welded on the rotating shaft. The olive leaf crushing machine is simple in transmission structure, olive leaves adhered to the inner wall can be cleaned during crushing so as to avoid the condition that blades idle due to the fact that the olive leaves are located on the inner wall, and meanwhile, synchronous cleaning can be conducted during discharging so that the crushed olive leaves can be completely discharged.

The utility model discloses a seeder which comprises a handle, a case and a separate seeding base, the handle, the case and the separate seeding base are integrally and fixedly connected, the case is communicated with the separate seeding base through a hole, a plugging belt for adjusting the size of a gap is arranged between the case and the separate seeding base, and the handle is provided with a manual switch for controlling the plugging belt to move. The distribution base is provided with an electrically-driven distribution disc, a plurality of distribution fan blades are symmetrically arranged on the circle center of the upper surface of the distribution disc, the distribution disc is rotationally connected with a rotating disc, the rotating disc rotates and encloses and seals the distribution disc with the protective cover, and a feeding hole communicated with the case hole is formed in the rotating disc. The plugging belt is pulled through the cooperation of the adjusting drive plate, the triggering connecting rod and the rotating triggering button, the transmission structure is simpler and more efficient, and the manufacturing cost is reduced.

The utility model discloses a differential mechanism, four-wheel drive system, chassis assembly and tractor, the differential mechanism includes differential body, also includes two mounting seat, the two mounting seat is flange ring structure, the left and right ends of differential body are respectively with the inner bore of two mounting seat coaxial rotation connection, the two mounting seat is equipped with the flange ring structure. In this way, the differential body is mounted through the annular mounting base of the flange, the mounting effect of the whole differential on a chassis is better, and the differential can particularly meet the operation requirements of severe working conditions.

This invention discloses a transmission mechanism and a massage device. The transmission mechanism includes a load-bearing component, a drive component, a linkage assembly, and a swing arm. The drive component includes a first eccentric wheel rotatably mounted on the load-bearing component and a first drive member sleeved and driven with the first eccentric wheel. The first drive member has a universal joint. The linkage assembly is movably connected to the load-bearing component and includes a first connecting rod. One end of the first connecting rod has a first rotating part rotatably connected to the universal joint. The swing arm is rotatably connected to the load-bearing component, and one end of the swing arm is rotatably connected to the other end of the first connecting rod. The other end of the swing arm is rotatably connected to a first massage head. The drive component can drive the swing arm to reciprocate via the first connecting rod. This transmission mechanism simplifies the transmission structure to drive the massage head to swing, which is beneficial for miniaturizing the massage device.

The application provides a mechanical continuously variable transmission and a use method thereof in the field of continuously variable transmissions, and the mechanical continuously variable transmission comprises a driving assembly, and the driving assembly comprises a movable frame, a fixed frame, a first cross universal coupling and a second cross universal coupling; the application mainly comprises two cross universal couplings with a phase difference of 90 degrees, a differential and a gear one-way clutch, the unevenness of the output speed of the cross universal couplings is utilized, two fluctuation speeds with a phase difference of 90 degrees generated by the two cross universal couplings with a phase difference of 90 degrees are adopted, the differential is used to differentially output the speeds of the two cross universal couplings, and then the gear one-way clutch is used to make the differential become continuous output; the change of the shaft included angle of the two cross universal couplings can change the speed transmission ratio, and realizes stepless speed change. The mechanical continuously variable transmission has simple transmission structure, high transmission efficiency, can meet the flexible speed adjustment, and has high speed change transmission precision.