159results about How to "Guaranteed sealing performance" patented technology

The invention discloses a plasma sewage treatment device and a treatment method thereof, and relates to the technical field of sewage treatment devices.The plasma sewage treatment device comprises a barrel, a reaction box and a bottom cover, the reaction box is installed at the top of the barrel, the bottom cover is installed at the bottom of the barrel, and a filtering and purifying mechanism, a power mechanism and a plasma releasing mechanism are arranged in the barrel; a mixing chamber and a control chamber are further arranged in the reaction box, the barrel communicates with the mixing chamber, a filter screen is installed at the connecting position of the barrel and the mixing chamber, a discharge pipe is installed at the top end of the side face of the mixing chamber, and a plasma generation device is arranged in the control chamber. When mixed bubbles of the plasma and the gas are in contact with the filter disc, the bubbles can be scattered, so that the plasma and the sewage can be fully contacted and mixed conveniently, organic pollutants in the sewage can be decomposed, and the filter disc can also play a role in blocking and filtering impurities.

The utility model discloses an explosion-proof oil-immersed current transformer, which belongs to the technical field of oil-immersed current transformers and comprises an insulating porcelain bushing, a flange A is mounted at the bottom end of the insulating porcelain bushing, an expander is mounted at the top end of the insulating porcelain bushing, an oil tank is mounted at the bottom of the flange A, a flange B is mounted at the top of the oil tank, and the flange B is mounted at the bottom of the oil tank. And two sides of the outer wall of the flange B and two sides of the outer wall of the flange A are respectively provided with an annular sealing element. The structure is reasonable, through the arrangement of the annular sealing elements and the protective coating mechanism, the flange B on the oil tank is assembled on the flange A below an insulating porcelain bushing on the oil-immersed current transformer, and the oil-immersed current transformer is assembled on the oil tank through the annular sealing elements; and the annular sealing element is matched with the sealing ring A and the sealing ring B to seal the flange A and the flange B, so that leakage at the mounting position of the oil tank and the insulating porcelain bushing after mounting is avoided as much as possible, the sealing aspect is guaranteed, and the possibility that the oil-immersed current transformer is easy to explode is effectively reduced.

The utility model discloses a piston type step locking device, and particularly relates to the technical field of valves, the piston type step locking device comprises a valve body, an inlet pipe and a discharge pipe, one end of the valve body is connected with the inlet pipe, the bottom end of the valve body is provided with the discharge pipe, the valve body is connected with an opening and closing control assembly, the end portion of the valve body is provided with a sealing cover, and the top end of the valve body is provided with a fixing frame. A locking adjusting assembly is arranged on one side of the fixing frame, a locking assembly connected with the locking adjusting assembly in a sliding mode is installed on the fixing frame, a stepped through groove is formed in the valve body, and the caliber size of the inlet pipe is larger than the caliber size of the connecting position of the inlet pipe and the stepped through groove. Fluid efficiency is optimized through a step structure, double sealing is achieved in combination with an electromechanical locking mechanism, the control reliability and safety of the valve are remarkably improved, and the valve is suitable for fluid control scenes needing high sealing performance and impact resistance.

The utility model relates to a kind of pulverizing system with circulating purification including filter, vacuum device, operating position, first isolator, the pulverizing equipment of pulverizing material, the filter bag of filtering powder and the second isolator of intercommunication first isolator;Filter and vacuum device intercommunication second isolator;The outlet of pulverizing equipment intercommunication filter bag;Filter bag's air outlet is connected by filter;Operating position is respectively distributed on first isolator and second isolator.Solved the problem that the gas condition in isolator in prior art scheme is limited to the filtration of external gas.

The utility model provides an aluminum alloy cross beam for a self-adaptive elastic sealing plate window sash, belongs to the technical field of building materials, and aims to solve the problems that the position of a sunlight plate is difficult to adjust according to actual needs, the protection area of the sunlight plate is limited, and workers are affected to use the sunlight plate for area protection. Comprising an aluminum alloy stand column, a window sash cross beam, a mounting notch, a mounting sliding block, a connecting sealing mechanism and a cross beam connecting mechanism. The window sash cross beam is positioned on the inner end surface of the aluminum alloy upright post; the mounting notches are formed in the inner end faces of the aluminum alloy stand columns. The mounting sliding block is slidably connected to the interior of the mounting notch and slides on the outer end face of the window sash cross beam; the connecting and sealing mechanism is arranged on a window sash cross beam; and the cross beam connecting mechanism is arranged on the mounting sliding block. By adopting the connection sealing mechanism, it is guaranteed that the sunlight plate is stably installed on the window sash cross beam, by adopting the cross beam connection mechanism, installation of the sunlight plate on the window sash is facilitated, and later maintenance of the window sash by workers is facilitated.

The utility model belongs to the technical field of automobile air conditioner condensers, and particularly relates to an automobile air conditioner condenser with an auxiliary butt joint structure, which comprises a connecting pipe and radiating fins, the surface of the connecting pipe is connected with a fixing lug, the surface of the connecting pipe is provided with a through mounting hole, the top end of the fixing lug is connected with a fixing block, and the top end of the fixing block is connected with the radiating fins. A clamping block is arranged at the bottom end of the fixing block, a U-shaped groove is formed in the surface of the clamping block in a penetrating mode, and a groove is formed in the fixing block. According to the utility model, the fixing block is matched with the clamping block, so that the fixing lug at the top end of the automobile air conditioner condenser can be lapped on the butt joint piece of the water tank. Afterwards, by means of matching of the I-shaped bolts and the butt-joint blocks, the water tank butt-joint piece fixing device can be matched with butt-joint pieces of water tanks with different thicknesses, the positions of the fixing lugs and the water tank butt-joint pieces can be fixed, and the mounting holes correspond to assembly holes in the water tank butt-joint pieces in position. In this way, the automobile air conditioner condenser is convenient to install, and the situation of manual hand lifting assembly is avoided.

The utility model discloses a kind of cooling devices for casting production of high efficiency energy saving, it is related to casting production technical field, including base and support frame, the support frame is set on the base, further include cooling mechanism, set on the support frame;Heat dissipation mechanism, set on the support frame, the heat dissipation mechanism includes: mounting, have two, and two mounting are set in the support frame;Mounting bracket, mounting bracket is set in the mounting;Driving motor, set in the mounting bracket;Fan blade, the driving motor output end;Fixed plate, set on the mounting piece.This device is discharged in time to the heat generated inside this device by setting heat dissipation mechanism, accelerates the cooling work of this device, can also collect water vapor in time, can also prevent water vapor from leaving the interior of this device in large quantities, ensure the use of water source.

The embodiment of the utility model discloses a refrigerant heater. The refrigerant heater comprises a snakelike flat pipe, the snakelike flat pipe comprises a plurality of U-shaped bent parts and a plurality of flat pipe sections arranged in parallel in the first direction, and the flat pipe sections are connected through the U-shaped bent parts to form a continuous flow channel; at least two flat tube runners are arranged in the snakelike flat tube; the flat pipe flow channels are arranged in parallel in the second direction and are used for refrigerant circulation; wherein the first direction is perpendicular to the second direction; and the at least one heating sheet is arranged between the adjacent flat pipe sections. According to the embodiment of the utility model, the problem that the existing energy storage battery pack lacks a small refrigerant heater which is not in direct contact with a refrigerant is solved, and meanwhile, the problem of dry burning caused by non-uniform refrigerant distribution is avoided.

The utility model provides a movable cylinder cover air tightness test board relates to detection frock technical field, including base and stand, the leak detection beam board is installed in the stand and slides, first plugging device, second plugging device and exhaust plugging mechanism are installed on the leak detection beam board, exhaust plugging mechanism includes the plugging frame that sets up symmetrically, plugging shaft sleeve, plugging swing bar, plugging presser foot, mounting seat, plugging bracing piece and return spring, plugging shaft sleeve rotation is installed in the inside of plugging frame, the limit inclined groove is set up on plugging swing bar, and the plugging swing bar between both sides is connected with the support bow piece and slides, the both ends of support bow piece are provided with guide sliding block, and the plugging cylinder is connected between plugging frame and support bow piece, and the lower end of plugging swing bar slides and touches in plugging presser foot outside. The utility model can realize plugging presser foot to slide inwards and plugging seal on the exhaust hole of cylinder cover through plugging cylinder.

This utility model relates to the field of damper technology and discloses a fluid buffer device, including a main structure and a buffer structure. The main structure has a communicating cavity and an inlet and an outlet communicating with the communicating cavity, with the inlet and outlet positioned opposite each other. The buffer structure is disposed within the communicating cavity and has a buffer cavity and two openings communicating with the buffer cavity. One opening is connected to the inlet, and the other opening is connected to the outlet. The buffer structure is configured to be elastic. Under the action of medium pressure, the buffer structure is adapted to undergo elastic deformation to buffer the medium pressure. This utility model can provide all-round buffering of medium pressure in the radial, circumferential, and axial directions, so that the buffer structure can fully absorb the pulse brought by the medium pressure, thereby effectively improving the buffering effect of the buffer structure on the medium pressure and avoiding splashing when the medium flows out of the outlet.

The present invention discloses a method for replacing the near-end slurry discharge pipe and knife gate valve of a slurry shield. By adding stone powder and establishing a mud film at the slurry gate, the sealing of the slurry gate is ensured, and the high slurry pressure of the slurry bin and the stratum is blocked from entering the tunnel, so that the air cushion bin can realize normal pressure and a good working environment is provided for replacing the near-end knife gate valve in the shield body, and the problem of poor sealing of the slurry gate under high water pressure environment is solved, so that the replacement of worn parts of the slurry shield in hard rock can be carried out in a safe environment. The present invention solves the problem of high construction risk when the shield machine is directly shut down to replace the slurry pipe and other parts in hard rock because the slurry bin, the stratum and the shield body are connected.

This utility model relates to the field of auxiliary equipment for construction engineering, and discloses a portable material classification, storage, and transportation box for construction engineering. The box includes a storage box with two fixed plates fixedly connected to its bottom inner wall. A motor is fixedly connected to the inner wall of one of the fixed plates, and a gear is fixedly connected to the drive end of the motor. Connecting rods are rotatably connected inside both fixed plates, and a gear is fixedly connected to the outer wall of one of the connecting rods. Transmission plates are fixedly connected to the outer walls of both connecting rods, and connecting rods are fixedly connected to the inner walls of both transmission plates. This utility model reduces the corrosion of the box material by rainwater and acidic or alkaline liquids such as construction site concrete slurry, prevents aluminum alloy oxidation and steel plate rusting, maintains structural strength, and the sealed structure reduces the leakage of volatile gases while preventing the intrusion of external corrosive gases, ensuring the chemical stability of the materials.

The application provides an ice outlet device control method, a refrigerator door body assembly and a computer readable storage medium. The ice outlet device control method comprises the following steps: after receiving an ice outlet opening signal, a motor is controlled to run in a first direction at a first pulse frequency to drive a cover plate assembly to rotate from a closed position for closing the ice outlet to an open position; when the motor runs a first preset number of revolutions, the motor is controlled to be turned off; wherein the motor is a self-locking motor, a rotation angle corresponding to the first preset number of revolutions is greater than an angle of the cover plate assembly rotating from the closed position to a limit open position, and the first pulse frequency is greater than a rated pulse frequency of the motor.

The utility model relates to converter oxygen lance sealing technical field, the utility model discloses an embodiment provides a kind of self-produced steam sealing device at converter oxygen lance mouth, including converter oxygen lance, the circumferential surface of the converter oxygen lance is fixedly connected with sealing plug, the bottom of the sealing plug is fixedly connected with gas storage seat, the inside of the gas storage seat is provided with steam uniform distribution mechanism.In the utility model, when needing to seal converter oxygen lance, staff sends steam to the inside of gas storage seat, starts motor drive shaft rotation, drives gear A and gear B rotation, and then drives support shaft and fan blade rotation, uniformly blows steam into converter oxygen lance around to form high pressure barrier, ensure the sealing of the contact place of oxygen lance and furnace mouth, when furnace overhauls, add nitrogen by nitrogen gas pipeline, steam and nitrogen are used alternately, reduce steelmaking energy consumption, by the above technical scheme, the technical problem that steam cannot be uniformly sealed to converter oxygen lance mouth in relevant technology is solved.

This utility model discloses a rainproof power supply box for mountain disaster monitoring, comprising a main body, a sealing mechanism, and a ventilation mechanism. The sealing mechanism includes a connecting door, a mating door, a first spring, and a limiting frame. The ventilation mechanism includes a fan, a mounting bracket, a mounting frame, a filter pad, and auxiliary components. The auxiliary components include a ventilation component, an air outlet component, a second spring, rollers, and a locking block. With the cooperation of the above mechanisms, the pull-out door design of this device can ensure that the interior of the power supply box is completely sealed, preventing external rainwater, dust, mud, etc. from entering the equipment. In addition, this device can regularly replace the air inside the power supply box, which can effectively avoid the accumulation of humid gas and prevent mold, corrosion, or electrical failures caused by excessive moisture inside the equipment.

This invention discloses a molten salt pump with a bearing cooling system, belonging to the technical field of high-temperature molten salt pumps. It includes: a pump body, a pump shaft, a frame, a bearing housing, a cooling device, and a support frame. The pump body is mounted on the frame; the frame is mounted on the top of the pump body, and the bearing housing is mounted within the frame. The pump shaft is rotatably connected to the bearing housing via bearings. The cooling device is installed inside the bearing housing, with multiple microchannel coils respectively fitted onto the outer surface of the bearing. A flywheel energy storage device is installed inside the bearing housing, driving ambient air to enter through the air inlet and generating a forced airflow that blows across the cooling end of the cooling device for heat exchange. The cooling end of the cooling device is connected to a cold air inlet pipe, which is connected to multiple microchannel coils, and all microchannel coils are connected to an outlet pipe. An outlet is provided at the bottom of the bearing housing, and the outlet pipe is connected to the outlet. This invention miniaturizes and integrates a compressor-free cooling device into the bearing housing for active phase change cooling, extending the lifespan of the molten salt pump.

The utility model discloses an anti-seepage type clamp capable of adapting to installation with different diameters, and relates to the technical field of pipeline connection, the anti-seepage type clamp capable of adapting to installation with different diameters comprises two symmetrically arranged pipelines to be connected, and the end parts of the pipelines to be connected are fixedly connected with flange plates; an annular protrusion is integrally arranged on the side, close to the pipeline to be connected, of the flange plate, and locking devices are clamped to the outer side of the flange plate in an annular array mode. The locking device comprises an arc-shaped locking device, inner side overturning frames are symmetrically arranged in the arc-shaped locking device, a locking bolt is correspondingly arranged on the side face of each inner side overturning frame, and the locking bolts are movably connected with threaded locking holes formed in the two sides of the arc-shaped locking device. According to the utility model, the end parts of the small-diameter pipes or the large-diameter pipes with different diameters are respectively provided with the flange plates, and then the clamping devices with different numbers are fixed on the outer sides of the flange plates according to the diameters of the to-be-connected pipelines, so that the to-be-connected pipelines with different diameters are locked.

The invention relates to the technical field of seawater filtering, in particular to a marine seawater pollution filtering device which comprises a filter, a base is arranged at the inner bottom end of the filter, a filtering barrel is arranged on the base, and a water inlet is formed in the filtering barrel in the water inlet direction of the filter; the invention further relates to a pollution filtering method for marine seawater, through the arrangement of the driving motor, the extrusion mechanism and the adjusting mechanism, the ship only starts the rough filtration branch under the high-silt-content working condition of a port, seawater enters the filtering barrel through the water inlet, is directly discharged after being filtered, and is switched into rough filtration and fine filtration two-stage series connection after leaving the port; two-stage filtration of seawater is realized by adjusting the rotary isolation plate, isolating the filter barrel into two filter chambers through the extrusion mechanism and adjusting the size of the filter holes of the other chamber, so that the abrasion and blockage risks of the central cooler and the heat exchange tube are reduced, the service life of the central cooler and the heat exchange tube is prolonged, and flexible adjustment can be performed according to actual conditions.

This invention relates to the field of vehicle technology, and in particular to an engine and a vehicle. The engine includes a camshaft and a decompression device. The camshaft includes a first camshaft unit and a second camshaft unit, with a receiving space between the first and second camshaft units. The decompression device is at least partially disposed within the receiving space, with one end connected to the first camshaft unit and the other end connected to the second camshaft unit. This invention also provides a vehicle using the above-described engine. Thus, the assembly of the camshaft and decompression device is simpler, the engine is lighter and less expensive, and the overall operational reliability is high. Furthermore, it ensures the sealing of the camshaft oil passage holes, eliminating the need for separate oil passage arrangements, resulting in lighter weight and significant space savings.

The utility model relates to the technical field of biological detection, and provides a biological detection test paper storage device which comprises a box body and a storage mechanism, the inside of the box body is sealed through the sealing plate, external bacteria, impurities and the like are prevented from entering the box body to pollute test paper, the sealing cover, the outer lantern ring, the reset spring and the connecting shaft are arranged, the test paper is taken out after the sealing cover is pushed up, the outer lantern ring rotates after the sealing cover is pushed up, the reset spring is deformed, and the reset spring is reset after the hand is loosened. A guide column and a guide groove are arranged, and the guide column and the guide groove are matched, so that the placement plate is prevented from being inclined and clamped, and the use of the device is prevented from being influenced; by arranging the rotating seat, the picking ring and the rotating handle, the rotating handle is rotated, so that the rotating seat drives the picking ring to rotate, test paper is taken out, other test paper is prevented from being exposed in the air, the silica gel picking ring can provide large friction force, the test paper is convenient to pick, cleaning is easy, and stain residues are avoided.

The utility model discloses a jacking structure for vacuum cavity, including the sealed guide structure of sealed connection on the outer wall of vacuum cavity, the jacking rod of being equipped with with sealed cooperation and the relative sliding of inside being worn of sealed guide structure, and the jacking rod one end is connected with the thimble, and the thimble top end is located in the vacuum cavity and both movable cooperation, and a plurality of thimbles are equipped in the vacuum cavity, and the jacking rod other end is connected with the jacking drive assembly. The jacking structure for vacuum cavity provided by the utility model can stably lift the wafer in the vacuum cavity, and meanwhile ensures not to influence the internal air pressure of the vacuum cavity.

The utility model discloses an open-close type waterproof current transformer, and relates to the technical field of mutual inductors, the open-close type waterproof current transformer comprises a first mutual inductance unit and a second mutual inductance unit, the first mutual inductance unit comprises a first shell, a first bottom cover and a first magnetic core, the first magnetic core is arranged in a first cavity formed by combining the first shell and the first bottom cover and is filled and sealed through an epoxy resin layer, and sealing strips are arranged on the end faces of the first shell and the first bottom cover; the second mutual inductance unit comprises a second shell, a second bottom cover and a second magnetic core, and the second magnetic core is arranged in a second cavity formed by combining the second shell and the second bottom cover and is filled and sealed through an epoxy resin layer; the two end faces of the first mutual inductance unit and the second mutual inductance unit are oppositely combined to form a closed-loop structure. The mutual inductance unit I and the mutual inductance unit II are closed in an involution manner and are matched with the sealing strip and the epoxy resin layer, so that the sealing performance is good, and a multi-protection structure ensures that the mutual inductor is good in sealing, waterproof and dustproof capability in the use process.

The utility model discloses a thrombelastogram detection card socket assembly which comprises a supporting rod and a card socket rotationally installed at the upper end of the supporting rod. The card socket comprises a base and a card jack fixed above the base; a center hole with an opening in the lower end is formed in the base, a bearing is fixedly installed at the upper end of the supporting rod through a shaft check ring to form a supporting rod assembly, the supporting rod assembly is installed in the center hole and fixed through a hole check ring, and rotation of the base relative to the supporting rod is achieved. The card socket is of a U-shaped structure comprising two side plates, two light sensing plate threaded holes are formed in the corresponding positions of the middles of the two side plates respectively, a left light sensing plate and a right light sensing plate are installed on the two side plates through the light sensing plate threaded holes respectively, and a rear light sensing plate is installed on the same side of the left light sensing plate and the same side of the right light sensing plate together. The thromboelastography detection card socket assembly provided by the utility model can smoothly realize the detection of the detection card in the thromboelastography.

The utility model discloses a home-entry wire wall-passing pipe, which relates to the technical field of wall-passing pipes and comprises a wall-passing main pipe, a wall-passing matching pipe structure is mounted in the wall-passing main pipe, a polystyrene foam structure is mounted on the lower wall surface of the wall-passing main pipe, and a switch structure is mounted on the side wall surface of the polystyrene foam structure. Wire frame structures are installed in the wall-passing mother pipe and the wall-passing matched pipe structure correspondingly. Threads are arranged in the wall-passing main pipe, and a main pipe baffle is installed on the side wall face of the wall-passing main pipe. The wall-passing matching pipe structure comprises a wall-passing sub-pipe and a sub-pipe baffle, according to the utility model, the polystyrene foam can seal the wall passing pipe and a wall body so as to realize rapid construction, and meanwhile, the wire passing frame is arranged in the wall passing pipe, so that sealing can be ensured, a home-entry wire can be mounted with minimum friction, the safety of the home-entry wire is ensured, the home-entry wire is convenient to replace, and the service life of the home-entry wire is prolonged. And the replacement of the home-entry wire can be completed without dismounting the wall-passing pipe.

This utility model discloses a drying pot unloading device. It includes a discharge port and a discharge door on the bottom plate of the drying pot. A pair of parallel guide rails arranged on both sides of the discharge port and a drive device for driving the discharge door to reciprocate are provided at the bottom of the bottom plate. Each pair of guide rails has a trajectory that allows the discharge door to move to the discharge port and press against it. The discharge door is positioned between the guide rails and can be driven by the drive device to reciprocate under the guidance of the guide rails to open and close the discharge port. The advantage is that during the opening and closing process, the discharge door can be reciprocated under the guidance of the guide rails by the drive device to open and close the discharge port. This cleverly utilizes the trajectory of the guide rails to press the discharge door firmly against the bottom of the discharge port, ensuring a seal and avoiding environmental pollution caused by leakage, thus eliminating air pollution caused by odors from leaks.

The application discloses a sealing mechanism and a cascade flow field measuring device, and the sealing mechanism comprises a shell, a sealing assembly and a roller assembly. The shell is used for being assembled on a cascade experiment table. The sealing assembly is arranged on the shell and is used for sealing a cascade measuring groove. The sealing assembly comprises a plurality of sealing plates which are sequentially rotationally connected. At least one sealing plate is used for arranging a probe structure. The roller assembly is provided with two roller assemblies. One roller assembly is arranged at one end of the sealing assembly, and the other roller assembly is arranged at the other end of the sealing assembly. Each roller assembly is used for winding or unwinding the sealing assembly to pull the sealing assembly to move. When the probe structure moves with the sealing assembly, the sealing assembly also seals the cascade measuring groove well. The embodiment of the application can reduce the air leakage problem of the cascade measuring groove and ensure the flow quality of the measured flow field and the measurement effect of the probe structure.

An underwater wet connector relates to an underwater wet connector that can be used for seabed observation networks, underwater production systems, etc. The wet connector includes a male head and a female head. Sealing heads are arranged at the front ends of the male and female heads. The female sealing head and the male sealing head are made of rubber material and are precisely assembled. The connector end can be sealed in an unconnected state to avoid contact with seawater in an unconnected state, which may cause corrosion of wires or metal conductors. At the same time, the sealing head adopts interference assembly to ensure that the male and female joint conductors are sealed relative to the external seawater during the insertion process. During the connection process, the male shell is inserted into the female shell and the sealing plug is pushed to move at the same time. The male sealing head is held in place by the female sealing head. During the insertion process, the built-in jumper conductor of the male head moves synchronously with the male shell until it contacts the female joint conductor and is energized. The device can achieve a highly reliable underwater wet connection.

This invention discloses a valve positioner with an integrated structure of valve position transmitter and limit switch, relating to the field of valve positioner technology. The valve positioner with integrated structure of valve position transmitter and limit switch includes a valve positioner body. A sealing joint is fixedly installed at one end of the air supply pipe near the external air pipe. A fixing ring is fixedly provided on the outer wall of the sealing joint, and an elastic expansion ring is embedded in the annular sealing groove. A rotating ring is movably installed on the fixing ring, and a connecting rod is hinged between the outer wall of each set of arc-shaped rods and the rotating ring. This invention uses a rotatable rotating ring to drive multiple sets of arc-shaped rods to circumferentially clamp the external air pipe, and uses the cooperation of springs, locking blocks, and grooves to achieve positioning. An elastic expansion ring and an inner locking ring are provided on the inner wall of the joint, so that after the connecting sleeve drives the external air pipe to be inserted, it can be automatically expanded and clamped, ensuring the air passage is sealed while forming an internal anti-detachment mechanism for the air pipe, further improving the connection reliability.

A kettle lid includes a base, a lid body, a connecting plate, a lid, a handle, and a linkage. The base has a first opening; the lid body is connected to the base to form a receiving space together with the base, and the lid body has a first through-hole, a second through-hole, and a third through-hole. The first through-hole communicates with the first opening, and the second and third through-holes both communicate with the receiving space. The connecting plate is rotatably connected to the lid body or the base to selectively cover the second through-hole. The lid is connected to the connecting plate to selectively cover the first through-hole as the connecting plate rotates. The handle passes through the third through-hole and is rotatably connected to the base or the lid body, and can move within the third through-hole, with part of the handle exposed outside the receiving space. The linkage is located within the receiving space and connected between the connecting plate and the handle. When the handle rotates relative to the base, the linkage drives the connecting plate to rotate, thereby opening and closing the lid. This application also provides a kettle with the aforementioned lid.