30results about How to "Achieving Modular Assembly" patented technology

The invention belongs to the technical field of water heating devices, discloses a dual-energy water heating device and a control system thereof, and is used for solving the problems that an existing dual-energy water heating device combining gas heating and heat pump heating is low in heat exchange efficiency, too complex to control and not high in intelligence. The dual-energy water heating device is provided with the gas heating system and the heat pump heating system which are independent, two sets of independent heat exchange systems are arranged, the two heating systems do not interfere with each other, independent or combined heating can be achieved, operation control over the dual heating systems is simpler, and the energy consumption is reduced. The two sets of heat exchange systems are adopted for respective heat exchange, so that long-acting work of the heat exchange systems can be guaranteed, and the heat exchange efficiency of different heat exchange systems in different heating systems can be improved; according to the control method for the dual-energy water heating device, different requirements of users and external environment conditions can be responded, and the dual-energy water heating device is automatically controlled to operate in the most suitable heating mode.

The utility model relates to a double-break isolating switch. Comprising a mechanism frame, an insulation isolation shaft rotationally arranged on the mechanism frame, three insulation driving cams arranged on the insulation isolation shaft in a linkage mode, three isolation knives arranged on the three insulation driving cams in a linkage mode, and three upper static contacts arranged on a fixed beam of the mechanism frame and matched with the three isolation knives. The three upper static contacts are arranged on a fixing frame of the mechanism frame, the three lower static contacts are arranged on the fixing frame of the mechanism frame and matched with the three isolation knives, the grounding contact assembly is arranged on the mechanism frame and matched with the three isolation knives, and the mechanism frame is provided with an insulating partition plate which is arranged between the grounding contact assembly and the three upper static contacts in a partition mode. The utility model has the advantages of simple structure, stable and reliable performance, fast opening and closing speed, good insulation performance and small volume.

The utility model discloses a zipper storage type floating device which comprises a vehicle body, buoyancy assemblies and an air inlet and outlet valve, the foldable buoyancy assemblies are symmetrically arranged on the left side and the right side of the vehicle body, each buoyancy assembly comprises a floating bag and a storage sleeve arranged outside the floating bag, and a zipper is arranged on each storage sleeve in the length direction. According to the device, rigid connection and flexible storage are combined, on the premise that an original vehicle body framework is maintained, function expansion is achieved through reversible mechanical connection, the defect that a vehicle body structure needs to be damaged when a traditional amphibious vehicle is refitted is overcome, and the service life of the amphibious vehicle is prolonged. The floating stability is guaranteed, and meanwhile the characteristics of rapid storage, stable unfolding and modular maintenance are achieved.

The utility model discloses a heating leg sleeve which comprises a disposable leg sock and a plurality of leg sleeve bodies surrounding the outer side of the disposable leg sock, the leg sleeve bodies are linearly arranged in the length direction of the disposable leg sock, the leg sleeve bodies are in a strip shape, and bonding assemblies are arranged at the ends of the leg sleeve bodies. Zipper belts are installed on the upper edge and the lower edge of the leg sleeve body, a zipper head is arranged on one zipper belt, a heating piece is installed on the outer side of the leg sleeve body, a first protruding block electrically connected with the heating piece is installed on the outer side of the leg sleeve body, an adjusting switch is arranged on the first protruding block, and a temperature sensor is arranged in the first protruding block. According to the leg sleeve, the adjacent leg sleeve bodies are connected into a whole through the zipper belts and the zipper pullers, modular assembly is achieved, and the leg sleeve is suitable for different use scenes and meets the use requirements of different crowds.

The utility model relates to an electric operating mechanism, which comprises a shell, a mechanism frame, an electric operating assembly and a control circuit board assembly, the shell comprises an outer shell and an upper cover, a first accommodating cavity is formed between the mechanism frame and the outer shell, the electric operating assembly is arranged in the first accommodating cavity, a second accommodating cavity is formed between the outer shell and the upper cover, and the control circuit board assembly is arranged in the second accommodating cavity. The control circuit board assembly is arranged in the second containing cavity, the electric operation assembly comprises a motor, a gear box, a manual operation shaft, a transmission gear, a cam in linkage fit with the manual operation shaft and a sliding block, the control circuit board assembly comprises a control circuit board, a first microswitch and a second microswitch, and the manual operation shaft is provided with a switch-on and switch-off indicating piece. The opening and closing indicating piece acts along with the manual operation shaft and triggers the first microswitch and the second microswitch, and connection or disconnection of the first microswitch and the second microswitch is achieved. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly, safety and reliability.

The present invention provides an integrated cabinet air conditioner, which includes: a first shell, a compressor, a condenser component, a second shell, an evaporator component and a door panel assembly, wherein the condenser component and the compressor are arranged inside the first shell, the first shell is formed with an opening toward the indoor direction, the second shell can be assembled into the interior of the first shell from the opening, the evaporator component is arranged inside the second shell, and the door panel assembly can be covered at the opening position of the first shell to completely accommodate the second shell inside the first shell. Through the present invention, the partition in the cabinet air conditioner in the prior art can be eliminated, the integrated evaporator cavity assembly can be realized, the indoor side maintenance of all components can be realized, and the modular assembly of components from the inside to the outside can be realized, the cabinet cannot be opened from the outdoor side, and the internal components cannot be stolen, thereby improving the anti-theft function.

The utility model relates to an energy storage type disconnecting switch, which comprises a shell, a contact system and an energy storage operating mechanism, the energy storage operating mechanism comprises a mechanism frame, a rotating shaft rotationally arranged on the mechanism frame, an operating shaft for driving the rotating shaft to execute opening and closing actions, two energy storage torsion springs arranged between the operating shaft and the shell, a driving piece arranged on the rotating shaft in a linkage manner, and two energy storage spring groups arranged between the driving piece and the mechanism frame; the driving disc is in linkage fit with the driving piece, the driving plate assembly is in linkage fit with the driving disc and used for driving the contact system to execute opening and closing actions, the driving piece is provided with two poking rods used for poking the driving disc to rotate, and the driving disc is provided with two poking holes matched with the two poking rods. And one ends of the two driving levers are respectively inserted into the two driving holes, so that the driving disc is in linkage fit with the two driving levers. The utility model has the advantages of stable and reliable performance, fast opening and closing speed, modularization and high breaking capacity.

The utility model provides a flue gas adsorption reactor, and particularly relates to the technical field of flue gas adsorption reactors. Which comprises an air inlet section, a venturi reactor and a turbulent flow reactor which are sequentially communicated, and is characterized in that the venturi reactor is formed by sequentially connecting a shrinkage pipe, a throat pipe and a diffusion pipe, the diameter of the throat pipe is smaller than 1 / 3 of the diameter of an inlet of the shrinkage pipe, and the length of the diffusion pipe is larger than 1.5 times of the length of the shrinkage pipe; the near-gas section is arranged below the shrinkage pipe, a feeding chute with an inclination angle of 10-20 degrees is formed in the side wall of the near-gas section, and an outlet of the feeding chute extends to an inlet of a throat pipe of the Venturi reactor. According to the utility model, through the design that the diameter of the throat pipe in the Venturi reactor is smaller than 1 / 3 of the inlet of the shrinkage pipe and the length of the diffusion pipe is increased by 1.5 times of that of the shrinkage pipe, the collision contact probability of flue gas and an adsorbent is obviously improved through a high-speed jet effect, the adsorption utilization efficiency is greatly improved, the gas-solid reaction time is prolonged, and the adsorption reaction is more sufficient.

The utility model provides a massage head assembly, a massage head and a massager, the massage head assembly comprises a flexible massage body with a first containing groove, and a hard first installation piece used for installing the flexible massage body on the skin attaching side of the massager is arranged at a groove opening of the first containing groove. According to the massage device, the first installation part used for installing the flexible massage body on the skin attaching side of the massager is arranged at the notch of the first containing groove of the flexible massage body, and therefore the massage function part can be rapidly installed, modular assembly is achieved, and the assembly efficiency is improved.

Provided is an intelligent button switch. The problems that an existing intelligent switch is inconvenient to connect and unreliable to install are solved. The device comprises a housing, and also comprises a control circuit board used for controlling the on-off of a circuit; the wiring terminal is arranged on the control circuit board, electrically connected with the control circuit board and used for being externally connected with a wire; the pressing plate and the shell are matched with each other to form a containing cavity, and the control circuit board is arranged in the containing cavity; the pressing plate is connected with the mounting frame after being matched with the shell, and the pressing plate is used for being connected with a cassette; the operating piece is arranged on the pressing plate and is in swinging connection with the pressing plate; and the microswitch is arranged on the control circuit board and is electrically connected with the control circuit board, and the operating piece swings to switch the microswitch so as to enable a circuit to be switched on and off. The beneficial effects of the utility model are that the housing and the pressing plate cooperate with each other to facilitate product assembly and realize modular assembly, and the installation rack is arranged to facilitate product installation, so that the product assembly is convenient and reliable.

The utility model discloses a bamboo wood with a hollow structure. The bamboo wood comprises a bamboo wood square brick with a hollow structure, an assembling structure and a fixing structure, the bamboo square brick with the hollow structure comprises a large hollow bamboo tube, a small hollow bamboo tube, surrounding plates, filler and an assembly structure, the hollow large bamboo tube and the hollow small bamboo tube are natural bamboos with cavities, and the hollow large bamboo tube and the hollow small bamboo tube are provided with bamboo natural cavity structures. The device has good sound insulation and noise reduction effects, provides a more comfortable environment for living and working environments, achieves modular assembly and interlocking effects through the alignment protrusions and the alignment grooves, maintains the overall environmental protection characteristic, and also improves the detachability and reusability of a building. The vertical reinforcing bolt holes are uniformly distributed in the filler, so that the best reinforcing effect is achieved. The strength of the bamboo square brick with the hollow structure in the vertical direction is further improved, and the whole structure is more stable and firmer.

The utility model belongs to sewage treatment technical field discloses a kind of rotary mixing stirring aeration dissolving gas device, comprising: barrel assembly, with coaxial arrangement outer flow channel and inner flow channel;Spraying assembly is internally provided with injection flow channel;The import of the injection flow channel is communicated with the lower end of inner flow channel, and the outlet of the injection flow channel and the bottom of outer flow channel are spaced apart along axial direction with preset distance to form suction chamber;The injection flow channel is configured to first fluid from the inner flow channel is injected to the inner wall of outer flow channel along tangential direction upwards, to guide the first fluid spiral ascending along the inner wall of outer flow channel, and suction force is generated in the suction chamber, and the suction force is used to second fluid outside the barrel assembly is inhaled into the suction chamber through the bottom opening of outer flow channel and spiral ascending with first fluid;Fluid cutting assembly is set in the outer flow channel and is located above spraying assembly, for cutting mixing to the multiphase fluid of spiral ascending.

The invention relates to a high-speed heavy-load multi-transmission-chain compact high-precision speed reducer transmission device which comprises an upper transmission unit and a lower transmission unit, and the upper transmission unit and the lower transmission unit are detachably connected. The upper transmission unit comprises an upper box body, and a power input part, an input position detection part and an output angle detection part which are integrated on the upper box body; the lower transmission unit adopts an RV speed reduction unit, an input piece of the RV speed reduction unit is a sun gear, the sun gear is in coaxial driving connection with a power input main shaft of the power input part, an output piece of the RV speed reduction unit is a planet carrier, an output wheel is coaxially and fixedly installed at the lower end of the planet carrier, and power output of the whole transmission device is achieved. The invention has the advantages of small volume, high transmission precision and impact resistance.

The utility model relates to an electric operating mechanism which comprises a mechanism frame, a shell, an intelligent control circuit board assembly, an electric operating assembly and a sliding block, and the electric operating assembly comprises a motor, a motor gear, a manual operating shaft, a driving gear, a transmission gear set and a cam in linkage fit with the manual operating shaft. The mechanism frame is provided with a gear cover covering the motor gear, the driving gear and the transmission gear set, the mechanism frame is provided with a motor cover covering the motor, one end of the manual operation shaft is provided with a manual operation hole exposed out of the gear cover, and the manual operation shaft is provided with a switch-on and switch-off indicating dial corresponding to the manual operation hole. The intelligent control circuit board assembly comprises a power supply circuit board and a wiring terminal, a plurality of supporting columns are arranged on the gear cover, the power supply circuit board is arranged on the supporting columns, and a plurality of screws connected with the supporting columns are arranged on the power supply circuit board. The utility model has the advantages of simple structure, stable and reliable performance, small volume and convenient assembly.

The utility model discloses a kind of guide vanes for EGR pipe, it is related to automobile exhaust treatment technical field.The utility model includes mounting sleeve, the first installation ring is fixedly connected in mounting sleeve inside;The first installation ring one side is provided with limiting mechanism.The utility model is meshed with the tooth block of the inner ring of limiting ring and the tooth slot of installation disc outer ring, can effectively limit the axial displacement and unexpected rotation of installation disc under the action of airflow, avoid the unstable problem of guide flow caused by jumping or shaking of turbine blade, the air outlet channel being set between limiting ring and mounting sleeve, high-speed exhaust can be guided to flow to the working area of turbine blade, reduce airflow dispersion loss, the hollow structure of wind deflector and two side slope design, airflow entering mounting sleeve can be primarily rectified, reduce intake turbulence intensity, reduce airflow and pipe wall collision loss, further reduce pressure loss, improve guide efficiency.

The utility model provides a kind of automobile windshield strip, it is related to the technical field of automobile connecting accessory, including strip body, strip body includes first sealing portion, connecting portion and second sealing portion, first sealing portion extends and is set along the one end of strip body length direction, first sealing portion is used to be inserted between windshield and automobile front apron;Connecting portion is set along the other end of strip body length direction, and is fixedly connected with first sealing portion, and connecting portion top surface has clamping groove, for with the clamping cooperation of the insertion portion of ventilation cover plate;Second sealing portion is located between first sealing portion and connecting portion, for realizing the sealed connection of windshield bottom end edge and ventilation cover plate edge. Through the insertion type connection of first sealing portion, the detachable clamping structure of connecting portion and the elastic sealing design of second sealing portion, the modular assembly and independent replacement of strip are realized, effectively solve the technical problem that traditional adhesive strip must replace windshield assembly when maintaining.

This utility model relates to the field of range hood technology, specifically to a smoke collection hood assembly and a range hood. The smoke collection hood assembly includes a smoke collection hood, a rear panel, a front panel assembly, a bottom panel assembly, and two side panels; a first air inlet is provided on the smoke collection hood; the tops of the side panels are respectively located on both sides of the smoke collection hood; the two ends of the bottom panel assembly along its length are respectively connected to the two side panels; along the width direction of the side panels, the front panel assembly and the rear panel are respectively located at the front and rear ends of the side panels; the front panel assembly, rear panel, bottom panel assembly, and two side panels enclose and form an extended air duct; the extended air duct communicates with the smoke collection hood; a second air inlet communicating with the extended air duct is provided on the front panel assembly. This allows for an improvement on existing top-mounted range hoods to achieve a dual top and side suction function.

This utility model belongs to the field of circuit breakers, specifically relating to an operating mechanism for a residual current operated circuit breaker. It includes a frame, handle, moving contact frame, connecting rod, torsion spring, latch, and latch torsion spring. A trip latch, which engages with the latch, is rotatably mounted within the frame. A trip latch torsion spring is positioned between the trip latch and the frame. The moving contact frame is linked to the handle and rotates relative to the frame, having both an open and a closed position. The connecting rod is also linked to the moving contact frame. When the moving contact frame rotates in the closing direction, it engages the connecting rod with the trip latch, keeping the moving contact frame in the closed position. This operating mechanism integrates the handle, connecting rod, trip latch, and latch within the frame, employing a modular design that facilitates modular assembly. The simple design of this operating mechanism, with the handle driving the connecting rod to engage with the trip latch via the contact frame, keeps the moving contact frame in the closed state, thus improving the reliability of the opening and closing operation.

The invention provides electronic equipment and an assembling method thereof, a shell of the electronic equipment is provided with an accommodating groove, one side of the shell is provided with a through hole communicated with the accommodating groove, and a key switch assembly is arranged in the accommodating groove. The key comprises a pressing part and a first transmission part, at least part of the pressing part protrudes out of the shell, and the first transmission part penetrates through the through hole. The sealing element is arranged in the through hole, the sealing element comprises a second transmission part and a sealing part which is connected with the second transmission part in a bending manner, the second transmission part and the sealing part define a sealed space and sleeve the first transmission part, the sealing part is in sealed connection with the hole wall of the through hole, and the second transmission part is arranged between the first transmission part and the key switch assembly. By designing the structure of the sealing element, the sealing interface is designed to the non-key moving position, abrasion of the sealing interface is avoided, the risk that liquid crosses the sealing interface when the key is operated underwater is reduced, and the sealing performance is improved.

The utility model relates to a battery pack mounting structure which comprises a battery pack module and a box body, a battery pack, a circuit board, a battery pack contact piece and the like are integrated in a battery pack shell to form an independent battery pack module, and the battery pack module is detachably mounted in the box body, so that the requirements of the battery pack on detachability and easiness in replacement can be met; meanwhile, a sealing structure is designed between the battery pack module and the bottom of the box body, and a stop structure is matched with a sealing ring, so that the waterproof sealing requirement of a use environment is met.

This invention relates to the field of vehicle-mounted refrigeration equipment technology, specifically to a drawer slide structure, a vehicle-mounted refrigerator, and its assembly method. The drawer slide structure includes a slide rail and a drawer. The slide rail includes a sliding part and a fixed part, with the sliding part slidably connected to the fixed part. A drawer mounting plate is connected to the bottom of the drawer, and the mounting plate is fixedly connected to the sliding part of the slide rail. The fixed part is fixedly connected to a base, which is fixedly connected to the inner liner of the vehicle-mounted refrigerator. A drawer locking groove is connected to the bottom of the drawer. A locking connector is connected to the drawer mounting plate, and the connector engages with the locking groove. This invention creatively solves the problems of existing drawer slide structures, such as inconvenience in disassembly, limited load-bearing capacity, and poor operational stability, demonstrating significant progress and practical value.

The present invention discloses a modular connection joint for steel structure, which belongs to the technical field of steel structure. It comprises an extended groove cylindrical column, a thin lock cover, a sliding limit assembly, a sliding limit locking bolt, a high position nut and an inward-retracting cylindrical column; the sliding limit locking bolt is arranged opposite to the inward-retracting cylindrical column and is fixedly connected by machining, the lower end of the sliding limit locking bolt is provided with a thread and is rotatably connected with the high position nut, the sliding limit assembly is connected with the upper end of the sliding limit locking bolt by left and right plugging, and the thin lock cover is connected with the sliding limit assembly by upper and lower plugging; the thin lock cover, the sliding limit assembly and the sliding limit locking bolt are connected by bolts; the extended groove cylindrical column is inserted and connected with the inward-retracting cylindrical column through the thin lock cover, the sliding limit assembly, the sliding limit locking bolt and the high position nut. The present invention adopts the above-mentioned modular connection joint for steel structure, which is convenient for installation and disassembly, and at the same time realizes convenient modular assembly, thereby improving assembly efficiency.

The utility model relates to an electric operating mechanism which comprises a mechanism frame, a shell, an intelligent control circuit board assembly, an electric operating assembly and a sliding block, the electric operating assembly comprises a motor, a motor gear, a manual operating shaft, a cam, a driving gear and a transmission gear set, and a cover plate covering the motor gear, the transmission gear set and the driving gear is arranged on the mechanism frame. The intelligent control circuit board assembly comprises an isolation plate, a communication circuit board, a microswitch, a box body and a power supply circuit board, the isolation plate is provided with a clamping hook matched with the cover plate, the cover plate is provided with a clamping groove matched with the clamping hook, the clamping hook is clamped in the clamping groove, and clamping matching of the isolation plate and the cover plate is formed. The utility model has the advantages of simple structure, stable and reliable performance, small volume and convenient assembly.

The present invention discloses a lower frame of an electric vehicle and a chassis using the frame, and relates to the technical field of new energy vehicles. The lower frame includes a front frame, a battery box fixing frame, a rear frame and a battery box lower shell. The front frame, the battery box fixing frame, the rear frame and the battery box lower shell are all thin-walled aluminum alloy parts. The front frame is located in front of the battery box fixing frame, and the front frame and the front side of the battery box frame are screwed together by four bolt groups. The rear frame is located behind the battery box fixing frame, and the rear frame and the rear side of the battery box frame are screwed together by four bolt groups. The battery box lower shell is located inside the battery box fixing frame, and the battery box lower shell is connected to the battery box frame by a screw around the bottom. The lower frame has the characteristics of no need for welding, simple process, high precision, light weight, high structural strength, modular assembly, and can adapt to small batch or customized production of electric vehicles.

The utility model belongs to the field of switches, and particularly relates to a remote control switch which comprises a shell, a control circuit board module and a relay module, the control circuit board module comprises a plurality of supporting columns and a control circuit board, and the relay module comprises a magnetic latching relay, a wiring board, a first wiring terminal and a second wiring terminal. The magnetic latching relay is electrically connected with the control circuit board, one end of a first pin of the magnetic latching relay is provided with a wiring part inserted into the second wiring terminal, the wiring part is provided with a screw connected with the shell, and a wire is connected between a second pin of the magnetic latching relay and the wiring board; the control circuit board module adopts a modular structural design, so that modular assembly of the control circuit board and the shell can be realized, the control circuit board is arranged on the plurality of supporting columns, heat dissipation of the control circuit board is facilitated, the second wiring terminal is integrated on the first pin of the magnetic latching relay, the structural design is simpler, and modular assembly is facilitated.

The utility model discloses an electric control hub lock which comprises a power device, a transmission assembly and a spring bolt which are arranged on a shell, the transmission assembly is composed of a sliding block piece, a push rod piece and a transmission spring, the spring bolt is arranged on the push rod piece in a linkage mode, a through hole for the spring bolt to stretch out is formed in the shell, and a limiting part is arranged at the inner end of the through hole. According to the technical scheme, the positioning rod opposite to the limiting part is arranged on one side of the push rod piece, and the reset spring is arranged between the positioning rod and the limiting part in the extending mode in the moving direction of the push rod piece, so that when the push rod piece drives the spring bolt to stretch out of the through hole, the positioning rod is driven to extrude the reset spring, and the reset spring is in a pressed energy storage state; once transmission between the push rod piece and the sliding block piece fails due to gear tooth breakage or spring breakage during use of the hub lock, the push rod piece is driven by the acting force of the reset spring to drive the spring bolt to retract, the locking risk is avoided, the riding safety of an electric vehicle is guaranteed, and the use performance of a product is improved.

The application discloses an atomization assembly, an atomizer and an atomization device, and belongs to the technical field of atomization equipment. The atomization assembly is provided with at least two installation positions for installing atomization cores. The first sealing member is provided with an atomization cavity, a first output hole and a first air inlet hole. The installation position is arranged in the atomization cavity. The projection of the first output hole along the first direction at least partially falls into the first air inlet hole. The atomization surface is arranged in parallel to the first direction. The atomizer provided by the application has the following advantages. Firstly, each component of the atomization assembly can be assembled into the main body of the atomizer through one-time operation, which is favorable for improving the assembly efficiency of the atomizer. Secondly, the first output hole and the first air inlet hole can form a straight airflow channel in the first direction, which can prevent the aerosol from forming vortex flow in the atomization cavity and affecting the taste. Furthermore, the liquid guide member does not block the aerosol produced by the atomization surface, which further prevents the aerosol from forming vortex flow in the atomization cavity and affecting the taste.

The utility model discloses a double-cooling modular soft starter. By optimizing the internal structure of the base and setting a partition tabletop to partition the conductive busbars and the radiator, on the one hand, the use safety between the current-carrying components and the main heat-dissipating components inside the soft starter is ensured. The fixing plate of the partition tabletop is used for the fixed connection of the radiator. A heat dissipation grid is specially opened on the connecting plate for the current transformer, and the existing heat dissipation fan assembly of the soft starter is used to directly and quickly discharge the internal heat. On the other hand, the working temperature of the current transformer is significantly reduced. By effectively reducing the working environment temperature of the current transformer, it can work stably within the allowable temperature range, thereby greatly improving the accuracy and stability of current sampling and significantly enhancing the operation reliability and control accuracy of the entire soft starting system.

This invention provides a valve assembly for a compressor and a compressor. The compressor includes a valve assembly for communicating with a gas supply device to supply gaseous refrigerant to the compressor. The valve assembly includes a mounting member and at least one valve plate. The mounting member has at least one outlet for gaseous refrigerant to flow out. Each valve plate includes a tail portion fixedly connected to the mounting member, a head portion for opening and closing one outlet, and a connecting portion connecting the head and tail portion. The outlet is circular, and the head is polygonal. This invention uses a polygonal valve plate head to close a circular outlet, which can reduce the vacuum negative pressure formed on the mounting member due to the overlap between the valve plate head and the periphery of the outlet while ensuring valve plate sealing and head rigidity, thereby reducing gas supply pressure loss.

The utility model discloses a key assembly and an atomization device. The key assembly is applied to the atomization device, the atomization device is provided with a power supply module, and the power supply module is provided with a display area. The key assembly comprises at least two keys, an elastic arm and a positioning piece. And the elastic arm and the at least two keys are connected into a whole. The positioning piece is arranged on the elastic arm and used for positioning the elastic arm in an area close to the display area. According to the key assembly and the atomization device provided by the utility model, the at least two keys are connected into a whole, and the elastic arm is provided with the positioning piece for fixing the elastic arm on the power supply module, so that on one hand, the number of parts of the key assembly is reduced, and the cost is reduced; the modular assembly is realized; the space utilization rate of the atomization device is improved; and on the other hand, the key is fixed to the power supply module through the positioning piece arranged on the elastic arm, so that the phenomenon that the key shakes when the atomization device moves is avoided, and the use experience of a user is improved.