2499 results about "Internal connection" patented technology

The invention relates to the technical field of pressure release valves, in particular to a fire-fighting pipeline linear adjusting pressure release valve and a method, the fire-fighting pipeline linear adjusting pressure release valve comprises a first valve body, and further comprises a third valve body, a second valve body, a third valve core assembly, a second valve core assembly and a third valve core assembly, the second valve body is fixedly connected to the top of the third valve body, and a second valve element assembly is connected to the interior of the second valve body; and the pressure regulating mechanism comprises a pressure assembly communicating with the water outlet end of the first valve body, and the top of the second valve body is connected with an elastic assembly. By arranging the pressure adjusting mechanism, a traditional single spring adjusting mode is broken through, the water pressure in the sealing cover and the mechanical pressure of the adjusting screw rod and the first spring are superposed to form a composite pressure relief threshold value, and a method for linearly and finely adjusting the pressure relief threshold value is added; incompressibility of a water medium is utilized, instantaneous pressure fluctuation is absorbed, fatigue failure of the spring under high-frequency impact is effectively avoided, and the device is suitable for starting and stopping of a fire pump or scenes where water hammers frequently occur.

The invention discloses a controller heat dissipation water channel, and relates to the technical field of controller heat dissipation, the controller heat dissipation water channel comprises a lower shell, the two corners of the lower sides of the left and right ends of the lower shell are connected with mounting seats, the upper end of the lower shell is connected with an upper shell through bolts, and the bottom of an inner cavity of the lower shell is connected with a circuit board through bolts; a heat dissipation cavity is formed in the upper end of the upper shell in a front-back penetrating mode, a plurality of heat dissipation pieces are connected to the interiors of the left side and the right side of the upper end of the upper shell, and a collection piece is connected to the middle of the heat dissipation pieces. Cooling liquid absorbs heat in the circulation process and is dissipated through the cooling fins, the cooling liquid absorbs the heat in the heat absorption cavity and then is evenly distributed to the cooling fins through the communication pipeline, meanwhile, airflow in the heat dissipation cavity rapidly takes away the heat, an efficient heat exchange path is formed, local overheating is avoided, heat dissipation uniformity is improved, and long-time stable operation of the controller is guaranteed.

A solid-state lighting fixture assembly having a lighting fixture with a socket configured to receive a plug associated with one or more accessories to allow for easy in-field mounting of accessories, e.g., controls, onto installed lighting fixtures. The socket may be internally electrically connected to an auxiliary power output of a driver and / or to a battery power pack within the lighting fixture assembly, thereby providing direct-current voltage power for the accessory and, also, allowing for signal transmission to and from the accessory. Each accessory includes one or more sensors and communication components to provide the connected lighting fixture assembly with specific capabilities including, but not limited to, motion detection, ambient light level detection, ambient temperature measurement and wireless communications. The wireless communication can also be used to control one or a group of lighting fixtures and transmit sensor data associated with, for example, monitoring space utilization and asset tracking.

An adapter apparatus for connecting a sensor device and a base device includes an RJ-45 connector pluggable into the base device. Among the RJ-45 contacts are a power supply contact and data contact for the base device as well as a ground contact. The adapter apparatus further includes an RJ-12 port capable of accepting an RJ-12 connector of the sensor device; among the RJ-12 contacts are a power supply contact and data contact for the sensor device as well as a ground contact. The adapter apparatus further includes a housing enclosing power supply, data, and ground wires for internally connecting the respective RJ-45 and RJ-12 power supply, data, and ground contacts.

The invention relates to the technical field of viscosity monitoring, in particular to crude oil viscosity reducer production quality detection equipment which comprises a crude oil conveying pipe used for conveying crude oil and further comprises a spiral conveying agent winding pipe which is wound on the outer surface of the crude oil conveying pipe and used for conveying a viscosity reducer into the crude oil conveying pipe. A plurality of injection pipes communicated with the crude oil conveying pipe are arranged on the inner wall of the crude oil conveying pipe in a staggered mode, a plurality of ultrasonic viscometers used for detecting the viscosity of crude oil are arranged on the outer surface of the crude oil conveying pipe, and the ultrasonic viscometers and the spiral conveying agent winding pipe are arranged in a staggered mode; the rotary spiral scraping pipe is attached to the inner wall of the crude oil conveying pipe in a spiral shape, a pushing assembly used for driving the rotary spiral scraping pipe to rotate so as to convey crude oil to flow is arranged in the crude oil conveying pipe, and a plurality of connecting rods capable of being connected with the pushing assembly are connected into the rotary spiral scraping pipe and used for transmission.

A connector includes terminals, and a movable housing capable of displacing with respect to a mounting target. The terminals include displacing portions that displace together with the movable housing, and the displacing portions include one side contact portions that contact a connection target from a one-side. The inner connector includes add members retained in the movable housing. The add members include other-side contact portions that contact the relay connector from an other-side. The add members are formed as separate bodies to the terminals.

The invention provides a mining gallium nitride gas sensor which comprises a main box body, a gas inlet cover is arranged on the bottom face of the main box body, and a PLC main board loaded with a gallium nitride chip is installed in the main box body; the gas detector comprises a shell column, and the shell column is installed in the middle of the bottom face of the main box body and located in the gas inlet cover; an inner blowback part for cleaning the filtering part is arranged in the connecting screw pipe, and an outer blowback part for cleaning the air inlet cover is arranged outside the shell column; identification assemblies are symmetrically arranged on the two sides of the main box body; the identification assemblies rotating upwards are contained on the two sides of the main box body so as to identify the gas detection position. The identification assembly rotating downwards encloses the outer part of the air inlet cover so as to carry out closed calibration and maintenance identification; and a hoisting mechanism. The surface of the air inlet cover and the interior of the filtering part can be synchronously cleaned, and dust and impurities are thoroughly removed; the closed calibration area is formed through automatic butt joint of the side enclosure cover, and a temporary closed environment does not need to be built manually.

The invention relates to a distributed high-availability code warehouse management method and system and a medium, and relates to the technical field of version control and code management.The method comprises the steps that a pre-configured external load balancer, a plurality of GitLab Web nodes, an internal load balancer, a PostgreSQL database cluster, a Redis cluster, a Gitaly cluster and object storage or file storage are obtained; carrying out load balancing on the plurality of GitLab Web nodes through the external load balancer; performing load balancing on the internal connection of the GitLab application program through the internal load balancer; the data of the GitLab Web and the data of the GitLab Pracect are stored through the PostgreSQL database cluster, and the data of the GitLab Web and the data of the GitLab Pracect are And providing access to a Git warehouse by using the Gitaly cluster. According to the invention, high availability, high performance and expandability of code warehouse management are realized through a distributed architecture and redundancy configuration.

The invention provides a power distribution network partitioning method and device, equipment and a storage medium. The method comprises the steps that firstly, a node voltage-reactive power sensitivity matrix and historical operation data of a distributed power supply are obtained, the structural distance between nodes is calculated, the historical data are normalized, the attribute similarity is obtained in combination with an attribute weight matrix, and the two are added to generate an electrical distance. Resolution parameters are dynamically adjusted according to reverse power flow intensity, and the parameters are increased when the power flow is enhanced to refine clusters. According to the method, the limitation that traditional partition depends on geographical proximity or simple parameters is broken through, accurate partition is achieved by quantifying electrical coupling and resource characteristics, the problem of poor connection in the cluster is solved, the on-site consumption capacity of new energy is effectively improved, the transmission pressure of a main network is reduced, and the method is suitable for large-scale popularization and application. And meanwhile, the fault recovery capability and the calculation efficiency of the power grid are enhanced, and the method is suitable for district power balance optimization in a high-permeability distributed power supply access scene.

The utility model discloses a reinforced double-layer buffering angle bead, and relates to the technical field of packaging products. Comprising a corner protector body, the corner protector body comprises an inner side wall, an outer side wall and a cavity formed between the inner side wall and the outer side wall, the inner side wall and the outer side wall are each provided with a plurality of criss-cross grooves, the grooves are segmented and obliquely deepened towards the cavity in an arch arc shape, and the intersection point of every two adjacent grooves is deepest sunken. And the intersection points of the grooves in the inner side wall and the outer side wall correspond to each other and are mutually connected to form supporting points. The plurality of arch-shaped grooves are connected together in the cavity to form a framework-like structure, a gap space can be formed to meet the requirement that gas can smoothly flow in the material pipe in the blow molding process, and the wall surfaces of the inner side wall and the outer side wall can be supported by a plurality of supporting points, so that the wall surfaces can be prevented from collapsing, and the service life of the material pipe is prolonged. The whole large-area wall surface is divided into a plurality of buffer units by the grooves, so that the strength of the wall surface is greatly improved.

The invention belongs to the technical field of graphite metal composite heat dissipation devices, and provides a flexible graphene film heat conduction cable and a preparation method thereof.The preparation method comprises the steps that the surface of a graphene film is cleaned and punched, and the graphene film with micron-sized pores in the surface is obtained; sequentially plating a layer of active metal film and a layer of heat-conducting metal film on the surface of the graphene film, and cutting to obtain a graphene film; graphene films are overlaid layer by layer to obtain a laminated material, and the two ends of the laminated material are clamped to a hot-pressing mold to be subjected to hot-pressing welding treatment, so that a locally connected flexible heat conduction section is obtained; and the flexible heat conduction section and the heat conduction metal shell are assembled, a soldering lug is placed for brazing and finish machining, and the flexible graphene film heat conduction cable is obtained. According to the method, the internal connection problem of the flexible section is solved by establishing a synergistic process of surface punching, double-layer coating and hot pressing, the heterogeneous connection problem of the flexible section and the shell is solved in a manner of sampling coating and brazing, and through the synergistic effect of all links, the overall performance and reliability of the heat-conducting cable are remarkably improved.

The invention relates to the technical field of gate valves, in particular to a double-disc gate valve with an improved sealing structure, which comprises a valve body, one side of a valve cavity on the valve body is an upstream side, the other side of the valve cavity is a downstream side, a valve cover is arranged at the top of the valve body, and an upper sealing cover is arranged at the joint of the valve body and the interior of the valve cover. A connecting nut is fixedly installed at the top of the valve cover, a valve rod is in threaded connection with the interior of the connecting nut, and the bottom of the valve rod is provided with an opening and closing assembly comprising a side pressing block and two sets of connecting bases connected with each other; the opening and closing assembly is arranged, the first gate plate is matched with the first valve seat, the second gate plate is matched with the second valve seat, double-side quadruple sealing can be achieved when the valve is closed, the sealing performance is improved, meanwhile, the connecting seat can be pressed through the side pressing block during sealing so as to enhance the sealing performance, and the sealing performance is improved. The hook structures formed between the side pressing blocks and the connecting bases can assist the connecting bases on the two sides to be close to the middle position, the torque needed when the valve is opened is reduced, and the service life of the gate is prolonged.

The present invention discloses a curtain wall keel connection structure, comprising a vertical keel, one or both sides of which are connected to a transverse keel via a connection assembly. The transverse keel has a transverse inwardly expanded groove. The connection assembly includes a connector mounted on the vertical keel, each connector having a connecting portion corresponding to each transverse keel, the connecting portion being connected to the transverse keel via an expansion mechanism that expands and engages with the transverse inwardly expanded groove. The connector is fixedly mounted on the vertical keel via a first fastening connection assembly, the first fastening connection assembly including one or more first fastening screws that directly connect and fasten the vertical keel to the connector. The vertical keel has a vertical groove on its front surface, and the connector has an internal connection portion received in the vertical groove. The internal connection portion is fixedly connected to the vertical keel via at least one first fastening screw. The present invention has the advantages of easy installation, high connection strength, high stability and reliability, and good rust resistance.

The utility model discloses an atmosphere control gas collecting device which comprises a bottom plate, a door plate is rotatably connected to the front face of the bottom plate, a protective box is connected to the upper surface of the bottom plate, a rotating table is rotatably arranged at the top of the bottom plate, a plurality of limiting cylinders are connected to the rotating table in an annular array mode, and storage devices are arranged in the limiting cylinders. An extraction device is connected to the interior of the protection box; the extraction device comprises an air extracting pump, and the air extracting pump is fixedly mounted in the protection box; and a connecting device. The arrangement mode that the storage device and the connecting device are matched with each other is utilized, through elastic supporting of a second spring, after a matching pipe and a one-way mechanism are matched with each other, through operation of a sucking pump, external gas can enter the collecting cylinder after passing through a corrugated pipe and the one-way mechanism, and gas collection is achieved; gas collected at other places can be distinguished and stored by rotating the rotating table, so that the accuracy of laboratory detection data is improved.

According to the technical scheme, the power transformer no-load current detection equipment is characterized by comprising a detection table, a placement groove is formed in the top face of the detection table, an instrument groove is formed in one side of the detection table, a no-load current monitoring device is connected into the instrument groove, and the power transformer is arranged in the placement groove; the mounting frame is connected to the top surface of the detection table, a moving block is arranged in the mounting frame, and a plurality of connecting plugs are connected to the bottom surface of the moving block; the fixing assembly is arranged in the containing groove and used for fixing the power transformer, the fixing assembly comprises two fixing grooves, the two fixing grooves are formed in the inner bottom face of the containing groove, a two-way lead screw is rotationally connected into each fixing groove, a fixing plate is movably arranged in each fixing groove in a sleeved mode, and the fixing plates and the two-way lead screws are in threaded connection together; no-load current detection is carried out on the power transformer through the no-load current monitoring device, and the purpose of detecting the power transformer is achieved.

The embodiment of the invention provides a method, device and equipment for simulating circuit layout design, a medium and a program product, and relates to the field of chip design tools. The method includes determining layout design constraints associated with a plurality of device groups in a circuit design based on circuit design data, and generating a plurality of layout cell groups based on the layout design constraints, each layout cell group having an internal layout and an internal connection. The method further includes generating a layout by modifying at least one of a position and a shape of the plurality of layout cell groups based on the layout design constraints, determining a global layout of the plurality of layout cell groups, and determining wiring based on the layout design constraints. In this way, the layout design constraint can be automatically determined from the analog circuit design data, and then the layout unit group, layout and wiring are automatically generated in combination with the layout design constraint, so that end-to-end automatic generation of the analog circuit layout is realized.

The invention relates to the technical field of pier buildings, in particular to a composite concrete filled steel tube combination column and a mounting method thereof. Comprising a plurality of steel pipes sequentially arranged in the axial direction, and the cross section areas of the steel pipes are the same. An internal connection mechanism is arranged at the internal connection position between every two adjacent steel pipes, and an external connection mechanism is arranged at the external connection position between every two adjacent steel pipes. Built-in profile steel penetrates through the interiors of the steel pipes, and the interiors of the steel pipes are filled with concrete. The anti-bending bearing capacity and the anti-seismic property of the joint are improved, the engineering construction progress is accelerated, and the time efficiency is improved.

The invention provides a diaphragm capable of improving the bonding strength with other components and an electro-acoustic conversion device capable of improving the assembly precision of MEMS equipment and peripheral components. This electro-acoustic conversion device is provided with a substrate, a MEMS device disposed on the substrate, and a diaphragm disposed on the MEMS device, the MEMS device having a frame-shaped fixed part, a movable part, a torsion beam and a drive beam connecting the fixed part and the movable part at positions closer to the lower surfaces than the upper surfaces of the fixed part and the movable part, and a drive source disposed on the lower surface of the drive beam. A pair of pads for internal connection and pads for height alignment, which serve as paths for signals supplied to the drive source, are disposed in a region of the upper surface of the substrate that overlaps the fixed portion in the planar direction, and the lower surface of the fixed portion is bonded to the upper surface of the substrate with the pads for internal connection and the pads for height alignment interposed therebetween. This diaphragm is provided with a frame part, a central part, and a connecting part that connects the inner edge of the frame part and the outer edge of the central part. The upper surface and the lower surface of the frame part are provided with a concave-convex structure.

The invention belongs to the field of machining tools, and particularly relates to a device and method for milling a shell workpiece. The device comprises a mandrel, a supporting sleeve, a bearing sleeve and a connecting piece. The core shaft comprises a core shaft main body constructed to be of a columnar structure, the supporting sleeve is constructed to be arranged on the outer side of the core shaft main body in a sleeving mode and can be arranged in a shell workpiece, and the bearing sleeve is constructed to be arranged on the outer side of the core shaft main body in a sleeving mode and connected to the outer side of the core shaft main body. The supporting sleeve and the bearing sleeve are arranged in the shell workpiece and can be arranged in the shell workpiece, the connecting piece is constructed to be capable of fixedly connecting the supporting sleeve and the bearing sleeve with the shell workpiece, and the device is further constructed to be capable of supporting the shell workpiece in the shell workpiece. The shell workpiece milling quality and efficiency can be improved, and good application prospects are achieved in the field.

The utility model discloses a clamping device suitable for an ALK electrolytic bath, which relates to the technical field of ALK electrolytic baths and comprises a bearing base and a mounting component, an electrolytic bath main body is distributed in the middle above the bearing base, mounting racks are arranged on two sides of the lower end of the electrolytic bath main body, and the mounting component is arranged on the left side of the upper end of the bearing base. The mounting assembly comprises a fixed mounting base, limiting cylinders, limiting rods, reset springs, butt joint grooves, butt joint blocks and limiting through holes, the limiting cylinders are mounted on the two sides of the exterior of the fixed mounting base, the limiting rods are arranged at the middle ends in the limiting cylinders, the reset springs are additionally arranged in the limiting cylinders outside the limiting rods, the butt joint grooves are formed in the two sides of the interior of the fixed mounting base, and the butt joint blocks are arranged in the butt joint grooves. And a butt-joint block is connected into the butt-joint groove. According to the clamping device suitable for the ALK electrolytic cell, the electrolytic cell can be rapidly, conveniently and stably clamped in the installation process, and the motility and the use efficiency of the clamping device in the use process are improved.

This utility model relates to a processing and cutting device for multi-core cables, comprising a housing and a fixed frame installed inside the rear side of the housing. A spring is connected inside the fixed frame, and a slider is connected to the bottom of the spring. The slider is slidably connected to the fixed frame, and a connecting rod is rotatably connected to the bottom of the slider. A rotating plate is rotatably connected to the end of the connecting rod away from the slider. Limiting rods are connected to the left and right sides inside the housing. A trapezoidal plate is connected to the bottom of the rotating plate, and connecting cylinders are connected to the left and right sides of the bottom of the trapezoidal plate. This utility model achieves channel switching between two collection frames by precisely coordinating the trapezoidal plate, connecting cylinders, ball bearings, a turntable, protrusions, and limiting rods. When one collection frame is nearly full, the device automatically guides the waste material to the other side, ensuring smooth and uninterrupted switching. This avoids waste spillage and downtime losses during frame changes, making waste collection efficient and continuous, reducing labor costs, ensuring continuous and stable operation of the multi-core cable processing and cutting process, and improving production rhythm and operational standardization.

The utility model relates to the technical field of dust removal, in particular to dust removal equipment for a loading area, which comprises a dust collection device main body, a spring connecting pipe, a joint, a motor, a portal frame, a slide rail, a negative pressure connecting pipe and a manual remote control device, the upper end of the dust collection device main body is connected with the spring connecting pipe, and the upper end of the spring connecting pipe is connected with the negative pressure connecting pipe; the negative pressure connecting pipe is externally connected with a connecting part, the front face and the back face of the connecting part are both connected with motors, the connecting part is internally connected with a portal frame, the two sides of the lower end of the portal frame are connected with sliding rails, the lower portion of the portal frame is connected with a manual remote control device, and handles are arranged on the two sides of the lower portion of the exterior of the spring connecting pipe. Driving wheels are connected to the two sides, close to the front face and the back face, of the interior of the connecting position, a limiting hoop is connected to the upper end of the connecting position, a driving wheel is connected to the end, close to the connecting position, of the motor, and the portal frame is composed of a vertical frame, a transverse frame, a through groove, a moving groove, a gear tooth groove and a mounting groove.

The application discloses a mobile air conditioner with ice making function, which comprises a cold air fan body, at least one air inlet and one air outlet are arranged on the cold air fan body, a water tank placing cavity is arranged on the cold air fan body close to the bottom, a water tank is arranged in the water tank placing cavity, and a water pump is connected to the water tank outside or inside; an ice maker assembly is connected with the water pump through a water pipe, the structure of the application is reasonable, the ice maker assembly and the ice block dispersing device are designed, the cold air fan can have the ice making function at the same time, the water in the water tank of the cold air fan is used to achieve the ice making function, the ice blocks are dispersed and conveyed through the ice block dispersing device, and the ice blocks are evenly arranged at the air outlet position of the cold air fan, so that the cold air function and further refrigeration effect can be realized at the same time, resource waste is avoided, the labor cost is reduced, and the practicability of the cold air fan is improved as a whole.

Cylinder drive type quantitative filling head, including: power drive structure, support installation module, quick disassembly structure, transmission execution system and sealing structure, power drive structure is fixed to the upper end of quick disassembly structure through support installation module, the lower end of support installation module is sealedly connected with the upper end of quick disassembly structure through sealing structure, the lower end of quick disassembly structure is connected with sealing structure, the side end of quick disassembly structure is connected with external feed pipeline, the upper end of transmission execution system is connected with the output end of power drive structure, transmission execution system is arranged in the inner cavity of quick disassembly structure, the inside connection of transmission execution system is provided with sealing structure, and the lower end of transmission execution system is matched with sealing structure to form discharge end sealing.The present application has the advantages of compact structure, simplified sealing ring structure of clamp sealing sleeve, convenient maintenance, double anti-dripping of conical sealing head and micro negative pressure, no linear friction between sealing element and plug rod, eradication of debris problem, and wide adaptation range.

The utility model is applicable to the technical field of IO (input / output) boxes, and provides an externally-hung IO control box which comprises a box body and a machine table, the box body is hung on the side wall of the machine table, a communication module, an IO expansion module and an electromagnetic valve group module are sequentially arranged in the box body from top to bottom, a rectangular groove is formed in the side wall of the box body, an IO point end is arranged on the bottom surface of the electromagnetic valve group module, and the IO point end is connected with the machine table. The IO point end penetrates through the bottom surface of the box body and extends to the outside; preferably, the rectangular groove is located in the box body and connected with a non-setting adhesive sponge strip. Preferably, a vacuum breaking valve is arranged above the electromagnetic valve group module; preferably, a wiring channel is arranged between the communication module and the IO expansion module. By adopting the high-speed data transmission interface, the data transmission delay is reduced; an advanced data processing chip is integrated, so that the data processing speed is increased; a modular structure is designed, so that maintenance and upgrading are facilitated; multi-task parallel processing is realized, and the overall performance of the system is improved.

The utility model relates to the field of aluminum profile processing, in particular to cooling equipment for aluminum profile extrusion forming, which comprises a cooling frame, a connecting opening is arranged at the bottom of the cooling frame, a movable plate is connected inside the connecting opening, a telescopic rod is embedded on the cooling frame, the end of the telescopic rod is connected with the movable plate, and a connecting groove is arranged at the bottom of the movable plate. The top of the cooling frame is slidably connected with a sliding plate, the interior of the sliding plate is connected with an air blowing pipe, the bottom of the air blowing pipe is provided with an air blowing cover, and the top of the air blowing pipe is provided with a connecting plate. Second moving driving assemblies are installed at the two ends of the sliding plate. According to the aluminum profile cooling device, an aluminum profile can be effectively and conveniently driven to move in a reciprocating mode in the blowing cooling process, and therefore the aluminum profile can be conveniently and rapidly cooled.

The application relates to the technical field of prefabricated building tools, and particularly discloses a sleeve mounting tool which comprises a fixing base, an adjusting mechanism, two limiting seats, a transmission gear shaft, two push-pull plates and an automatic pressurizing mechanism; a motor is fixedly connected in the fixing base; the adjusting mechanism is rotationally connected to the fixing base; two limiting seats are fixedly arranged on the adjusting mechanism; the push-pull plates are slidingly matched with the limiting seats; the transmission gear shaft is rotationally connected to the fixing base; the transmission gear shaft drives the two push-pull plates to realize reciprocating movement and realize sleeve mounting; the automatic pressurizing mechanisms are rotationally connected to the push-pull plates and realize pressure change. The sleeve mounting tool adopts the technical means of the transmission gear shaft and the push-pull plates, effectively solves the technical problems in the prior art, continuously rotates the sleeve by using a machine, realizes sleeve mounting, can greatly improve the sleeve mounting efficiency, and simultaneously reduces the labor intensity.

The utility model discloses an air purifier adopting a plasma sterilization mechanism, and relates to the technical field of air purifiers, the air purifier comprises a main machine body and a filtering assembly, the bottom of the main machine body is provided with supporting column feet, and the filtering assembly is arranged on the front side in the main machine body; the filter assembly comprises a mounting frame, bearing grooves, spring damping rods, limiting balls, a primary filter screen, limiting through grooves, an activated carbon filter screen and an HEPA filter screen, the bearing grooves are formed in the two sides of the interior of the mounting frame, the spring damping rods are mounted in the bearing grooves, the limiting balls are mounted at the front ends of the spring damping rods, the primary filter screen is connected into the mounting frame, and the activated carbon filter screen is connected with the limiting through grooves. Limiting through grooves are formed in the two sides of the interior of the primary filter screen, and an activated carbon filter screen is arranged at the rear end of the primary filter screen. According to the air purifier adopting the plasma sterilization mechanism, a filter screen arranged in the air purifier can be quickly disassembled and assembled, so that time and labor are saved during cleaning of the filter screen, and the overall practicability and the use efficiency of the air purifier are improved.

The utility model discloses a novel bottle body structure, relates to packaging bottle technical field, including bottle main part, material holding cavity and handle main part, the bottom of bottle main part is provided with the seal piece, and the inside of bottle main part is provided with the material holding cavity, and the middle part of bottle main part upper end is provided with the lower mounting ring, and the inside four corners of lower mounting ring are provided with the receiving groove simultaneously, the handle main part is provided with the receiving groove. A spring damping rod is mounted in the bearing groove, a limiting ball is additionally arranged at the front end of the spring damping rod, a connecting middle column is connected to the exterior of the lower mounting ring, a limiting groove is formed in the lower end in the connecting middle column, a threaded mounting groove is formed in the upper end in the connecting middle column, and meanwhile an upper mounting ring is connected to the upper end in the connecting middle column; mounting threads are additionally arranged outside the upper mounting ring, an inner cover is connected into the upper mounting ring, and a handle body is arranged at the upper end of the upper mounting ring. According to the novel bottle body structure, the use flexibility and motility of the bottle can be improved, and the use efficiency of the bottle is improved.