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36results about How to "Simple sealing structure" patented technology

A vulcanized rubber sealing structure

ActiveCN224283867UCompact and novel sealing structureSimple sealing structureJoints with fluid cut-off meansLift valvePolymer scienceVulcanization
This utility model discloses a vulcanized rubber sealing structure, including a metal skeleton and a rubber body. One end of the metal skeleton is tapered, and the diameter of the tapered structure gradually decreases outward along the axis. The apex angle of the axial section of the tapered structure is 1. The tapered surface of the metal skeleton is provided with an annular groove perpendicular to the center along the radial direction. The rubber body is placed in the annular groove and vulcanized with the metal skeleton. The outer surface of the rubber body is a tapered structure, and the apex angle of the axial section is 2. By controlling the angle between the vulcanized rubber and the sealing surface, the vulcanized rubber sealing structure is optimized to prevent the rubber from cracking due to pressure during sealing, resulting in high reliability.
Owner:YIBIN SANJIANG MACHINERY

A cold chain logistics temperature control container door sealing structure

ActiveCN224529573USimple sealing structureextend your life
The utility model provides a cold chain logistics temperature control container door sealing structure, including box, box door, sealing layer and lock bar, the box is equipped with outer layer and inner layer respectively, the box door establishes in the one end of box, the box door includes first door and second door, the recessed lock groove is equipped in the first door middle part, the second door middle part is equipped with the lock ring of protruding, the sealing layer establishes in the back of first door, the sealing layer is the form of covering the inside of outer layer, and the sealing layer includes door body and sealing strip, the lock bar is worn in the lock ring, and the lock bar can be worn in the inside of lock groove, the utility model's beneficial effects are: its structure design is simple and reasonable, has the sealing structure of further improving temperature control container box door, the sealing layer of the box door of being equipped with is worn in the inside of box, and the sealing layer adopts the sealing strip and the junction of box door, however the sealing strip also is worn in the inside of box, helps sealing layer to reduce the irradiation of ultraviolet, improves the life of sealing layer use.
Owner:GUOYUAN (GUANGDONG) LOGISTICS CO LTD

A photosensitive chip packaging structure

ActiveCN224653882Uavoid nudityavoid breaking
The utility model discloses a kind of photosensitive chip packaging structures, including circuit board, fixed filling adhesive layer, CIS photosensitive chip, support adhesive layer, wrapping filling adhesive layer, optical filter and multiple pads.CIS photosensitive chip is fixed on the top of circuit board by fixed filling adhesive layer, and the photosensitive area is jointly constituted by the support adhesive layer of setting in its outer edge and the top optical filter Sealing chip inner cavity;Photosensitive chip and circuit board are connected by multiple gold wires, and are packaged by wrapping filling adhesive layer to prevent gold wire exposure, improve structural stability.The utility model structure is packaged by optimization, effectively prevent gold wire fracture, and by reducing chip inner cavity volume, reduce the risk of fogging caused by air thermal expansion, to improve the stability and imaging reliability of photosensitive chip, applicable to the image acquisition equipment of higher imaging quality requirement.
Owner:NINGBO JINSHENGXIN IMAGE TECH CO LTD

Safety switch waterproof structure and household appliance with handle

ActiveCN224609761USimple sealing structureWill not affect normal switching
The application discloses a waterproof structure of a safety switch, which comprises an inner cavity arranged in a handle, a support arranged in the inner cavity, a switch arranged in the support, a waterproof sleeve arranged at the triggering position of the switch, and a touch rod arranged at the triggering end of the waterproof sleeve, wherein the switch is triggered by the touch rod after the cover is closed. The switch assembly is arranged in the handle, has a good sealing structure, does not affect normal switching, and has the advantages of simple structure and convenient installation.
Owner:ZHONGSHAN HANBAOLONG ELECTRIC CO LTD

Blood collection and separation device

The utility model discloses a blood collecting and separating device which comprises a separating cup, the separating cup comprises a cup body, a cup cover, a static head, an upper cover and a lower cover, a blood inlet and a blood outlet in the top of the static head are both vertically arranged, and the upper cover and the lower cover are connected with the bottom of the static head; the upper end of the lower cover is communicated with the blood inlet to form a blood inflow channel, and a space between the inner walls of the upper cover and the lower cover is communicated with the blood outlet to form a blood outflow channel; the liquid inlet end of the blood inflow channel penetrates through the cup cover along the interior of the lower cover and extends into the bottom of the cup body; the liquid outlet end of the blood outflow channel penetrates through the cup cover to be located at the cup opening along the top of the cup body and enters the gap between the upper cover and the lower cover. By improving the structure of the static head, automatic assembly of the separation cup and a consumable pipeline during use can be facilitated, meanwhile, automatic assembly in the production process of the separation cup can be facilitated by improving the connecting structure between the static head and the upper cover and the connecting structure between the static head and the lower cover, and production efficiency is improved.
Owner:CHONGQING XIACUN TECH CO LTD

Die-casting forming device for automobile model frame

The utility model belongs to the technical field of automobile model frame forming equipment, and particularly relates to an automobile model frame die-casting forming device which comprises a lower die-casting die shell and an upper die-casting die shell buckled with the lower die-casting die shell, and a casting hole is formed in the center of the upper end of the upper die-casting die shell. A dismounting structure is connected between the lower die-casting die shell and the upper die-casting die shell; the disassembly and assembly structure comprises lower fixing plates and upper fixing plates, the lower fixing plates are fixedly installed on the surfaces of the two ends of the lower die-casting die shell, the upper fixing plates are fixedly installed on the surfaces of the two ends of the upper die-casting die shell, and inserting vertical rods are fixedly welded to the surfaces of the upper ends of the lower fixing plates. And the limiting insertion rods and the limiting insertion holes are in matched insertion connection, so that rapid positioning and stable connection of the mold are achieved. In the disassembly and assembly process, an operator can easily separate or lock the mold only by pulling the sliding butt strap, and complex tools and tedious steps are not needed.
Owner:SHANGHAI QINGQI AUTOMOBILE TECH CO LTD

An integrally molded glass jar

The utility model belongs to the technical field of wine jar, specifically relates to a integrally formed glass wine jar, it includes jar body, characterized by: the lower part of jar body is equipped with the valve seat of integrally forming with jar body, is equipped with the valve cavity in the valve seat, the upper end of valve cavity is the mounting port, the lower end is communicated valve nozzle, the inner diameter of valve nozzle is less than valve cavity, and valve cavity is linked together with jar body, still include valve cover and elastomer, valve cover can be assembled on the mounting port, the top wall of valve cover is equipped with through -hole, is equipped with valve rod in through -hole, the lower part of valve rod is located in valve cavity, the lower part of valve rod has valve head, valve head can block valve nozzle, the lower end of elastomer is connected valve rod, and the upper end is connected valve cover, the jar only needs to install valve cover and valve rod on the valve seat, reduces the connection between valve seat and jar body and the sealing of junction, not only has simplified the connecting structure between discharge valve and jar body, still makes the connection between discharge valve and jar body and the service life of jar body, avoids the connecting part of both to leak due to the sealing problem.
Owner:ZIBO ANXIAN GLASS PRODUCTS CO LTD

Switching valve

The utility model relates to a switch valve. The switch valve comprises a front magnet yoke, a guide sleeve, an armature, a push rod and a sealing piece, the guide sleeve comprises a hollow inner cavity, the armature is installed in the inner cavity in an axially movable mode, the front magnet yoke is fixed to the first end of the inner cavity, the sealing piece is fixed to the end, facing the armature, of the front magnet yoke, and the sealing piece comprises an annular framework and an annular elastic sealing body; the framework is fixedly connected to the front magnet yoke and the elastic sealing body, the elastic sealing body is in sealing contact with the guide sleeve on the radial outer side, the elastic sealing body comprises an annular groove which is concave in the axial direction back to the armature, the armature comprises an annular flange which protrudes towards the front magnet yoke in the axial direction, and when the armature is located at the closing position, the elastic sealing body is in sealing contact with the guide sleeve. The flange is inserted into the groove and forms a sealing contact by an interference fit. The switch valve is provided with an improved sealing structure.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG

A low-temperature resistant microphone structure

This utility model discloses a low-temperature resistant microphone structure, relating to the field of microphone technology. It includes a microphone, a housing, and a mounting base. The microphone comprises a microphone head and a microphone rod. The microphone rod enters the housing through a through-hole at the top of the housing. The end of the microphone rod is threaded into a threaded hole in the mounting base. The mounting base is detachably connected to the bottom of the housing. This utility model design tightly winds a heating wire into a groove on the outer surface of the microphone rod, ensuring a closer contact between the heating wire and the microphone rod, resulting in more efficient heat transfer. The heating wire is less prone to displacement during operation. Teflon tape secures the heating wire, ensuring stability. An insulating sealing gasket is fitted onto the microphone rod to enhance insulation, preventing cold air from entering the housing and avoiding internal heat loss, thus ensuring the stability of the sensor in low-temperature environments.
Owner:QINGDAO & CHENG ENVIRONMENTAL PROTECTION TECH

Improved sealed rotary unloader

ActiveCN224211959URegular replacementRegular maintenanceBulk conveyorsImpellerControl engineering
The utility model provides an improved sealing rotary discharger which comprises a base body, a motor and a rotor impeller assembly. The upper end and the lower end of the machine body are provided with a feeding port and a discharging port respectively, the left side and the right side of the machine body are provided with a front cover plate and a rear cover plate respectively, the rotor impeller assembly is arranged in the base body, one end of the rotor impeller assembly penetrates through the front cover plate to be connected to the output end of the motor, the other end of the rotor impeller assembly penetrates through the rear cover plate and is provided with a detection assembly, and the motor is connected to the controller. The detection assembly is connected to the controller and used for detecting the rotation condition of the rotor impeller assembly. According to the utility model, the replaceable blade structure is arranged, so that the blades can be replaced and maintained regularly, the device is suitable for different transmission conditions, and the transmission efficiency is ensured.
Owner:TIANJIN TIANMAI ENERGY SAVING EQUIP CO LTD

An atomizer and electronic atomization device

ActiveCN224639082Ugreat tasteSimple sealing structure
The utility model provides a kind of atomizer and electronic atomization device, atomizer includes oil cup, support and atomization core;Support includes the cover body and body integrally connected, body is located in oil cup and is enclosed with oil cup and has the liquid storage cavity being communicated to atomization core, cover body is sealed opening end outside, body is equipped with at least two annular sealing protrusions being arranged along axial interval, the sealing protrusion outer surface is welded with the inner surface of oil cup to form first glue melting part;Atomization core is fixed to body and is enclosed with atomization passage with body;And the air passage that the outer peripheral wall of body and the inner peripheral wall of oil cup extend circumferentially between, air passage is communicated atomization passage and the air inlet of cover body.The support of the application adopts the cover body and body integrally connected, and atomization passage and air passage are integrated on support, body is sealed connection by the first glue melting part formed by welding with oil cup, without using silica gel piece can realize sealing, simplify structure component, reduce production cost.
Owner:DONGGUAN GEWU TECH CO LTD

Domestic ceramic membrane water purifier

ActiveCN224493854Ustable materialimprove throughput
The utility model belongs to the technical field of water treatment relates to a kind of domestic ceramic membrane purifier, including filter element, filter drum and two end caps, and the end cap of two ends is respectively provided with water inlet and water outlet and is connected with the porous channel in filter element, water outlet connected with the water purification channel outside filter element is provided on the filter drum, the both ends of the filter drum are fixed with connecting ring, the inner wall end portion of the connecting ring away from filter drum is provided with first taper surface, the inner wall end portion of the end cap close to filter drum is provided with second taper surface, the first taper surface, second taper surface and filter element outer wall form sealed cavity, O-ring is provided in the sealed cavity, the contact surface of O-ring and first taper surface, second taper surface and filter element outer wall all form sealing structure.The domestic ceramic membrane purifier provided by the utility model has the advantages of simple structure, small pollution, high flux, long service life and low use cost.
Owner:ZHEJIANG LEO ENVIRONMENT TECH CO LTD

Differential pressure balancing device for beer barrel

The utility model discloses a beer barrel pressure difference balancing device which comprises a bottle cap, a gas cylinder, an activation assembly and a pressure relief switch arranged above the gas cylinder, a plurality of exhaust grooves are formed in the bottom of the bottle cap, the inner sides of the exhaust grooves are open, the activation assembly is located above the pressure relief switch, the activation assembly can trigger the pressure relief switch in an activated state, and the pressure relief switch is connected with the gas cylinder. Automatic pressure supplement is realized; through the cooperation of the activation assembly and the pressure relief switch, manual operation is not needed, convenience and rapidness are achieved, the use efficiency is improved, and the pressure can be automatically adjusted according to the change of the air pressure in the barrel.
Owner:KELIN ZHIZAO (TIANJIN) CO LTD

Battery pack and electric device

The application discloses a battery pack and an electric device. The battery pack comprises a box body, a first cross beam, a plurality of single batteries and an electrical module. The box body has a containing cavity. The first cross beam is arranged in the containing cavity and connected with the box body. The first cross beam divides the box body into a first space and a second space in a first direction. The plurality of single batteries are arranged in the first space. The electrical module is arranged in the second space. A first bottom plate is connected with part of the box body and the first cross beam, and covers an opening of the first space in a second direction. A second bottom plate is connected with part of the box body and the first cross beam, and covers an opening of the second space in the second direction. The electrical module has an interface for electrical connection, and the interface is arranged towards the second bottom plate in the second direction. The first bottom plate and the second bottom plate can be separately disassembled when the battery pack is maintained, and the maintenance of the electrical module and the single batteries can be respectively realized. Since the interface of the electrical module is towards the second bottom plate, the electrical module is inverted and locked in the box body, and the convenience of maintenance is improved.
Owner:SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD

Sealing device of dustproof tool car for foaming production

The utility model relates to the technical field of tooling cars, and discloses a sealing device for a dustproof tooling car for foaming production, which is characterized in that universal wheels for sliding are mounted at the lower end of a bottom plate, a shell for placing is mounted on the upper surface of the bottom plate, and push rods for pushing are mounted on the upper surface of the bottom plate corresponding to two ends of the shell. The installation door for sealing is installed at one end of the shell through a hinge, the installation door can be easily opened by manually pulling the movable rod, the operation process is simple and direct, after the installation door is opened, the internal space of the tool car is completely exposed, articles are conveniently placed, and when the installation door is closed after placing, the installation door is closed. The installation door automatically pushes a triangular plate, automatic clamping and fixing are achieved through a reset spring, additional complex lock catch operation is not needed, the article loading and unloading efficiency is improved, the height of a containing plate in the tool trolley can be automatically adjusted through the design of an adjusting spring and an adjusting rod, and the tool trolley is suitable for articles with different weights and sizes. The tool trolley can flexibly change the internal placing space, and the space utilization rate is increased.
Owner:JIANGSU FUTERN AUTO PARTS CO LTD

Baffled electrochemical reactor

The invention relates to a baffling type electrochemical reactor, which belongs to the technical field of electrochemical oxidation, and comprises a reaction cavity, the lower part of the reaction cavity is provided with a medium inlet, and the upper part of the reaction cavity is provided with a medium outlet; and the at least one electrode reaction unit is arranged in the reaction cavity. Wherein the electrode reaction unit comprises a plurality of anode plates and a plurality of cathode plates which are arranged in a staggered manner, spoilers are arranged at the edges of the two sides of each cathode plate, and the spoilers, the adjacent cathode plates and the blocking plates jointly form a closed baffling channel, so that when fluid flows along gaps between the anode plates and the cathode plates in the reaction cavity, the flow of the fluid is blocked; and the direction is repeatedly changed under the guidance of the spoilers, so that a Z-shaped baffling path is formed. The structure is simple, the contact area of the anode and the conductive part is large, the mass transfer rate of reactants on the surface of the electrode can be increased, the surface flow velocity of the electrode plate is improved, and the electrochemical reaction rate is increased.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

High-strength insulation type PE cable protection pipe

ActiveCN224191614UBlock out disadvantagesSimple sealing structureCable installations in underground tubesSupporting systemArchitectural engineering
The utility model relates to the technical field of cable protection pipes, and particularly discloses a high-strength insulation type PE cable protection pipe which comprises a protection sleeve which is a main body structure of the cable protection pipe, the protection sleeve is of a cylindrical structure, and a cable penetrates through the protection sleeve. According to the high-strength insulation type PE cable protection pipe, the two insulation arc-shaped plates in the protection sleeve and the arc-shaped reinforcing supports form an annular structure, the reinforcing supports are distributed between the insulation arc-shaped plates at equal intervals, a stable mechanical supporting system is formed, and when the protection pipe is subjected to external pressure, the reinforcing supports and the insulation arc-shaped plates cooperate to disperse the pressure, so that the protection pipe is protected. The limiting steel cable penetrates through the insulating arc-shaped plate, the two ends of the limiting steel cable are L-shaped and are inserted into the sealing rings, the overall structural stability of the protection pipe is further enhanced, and when the protection pipe is subjected to impact force or vibration, the limiting steel cable limits displacement of the insulating arc-shaped plate, component looseness is prevented, it is ensured that the protection pipe can still keep high strength under complex working conditions, and the service life is prolonged.
Owner:HANGZHOU ZHONGNENG PIPE IND CO LTD

Feed trough convenient to clean

The utility model discloses a feed trough convenient to clean, and relates to the field of feed trough cleaning, the feed trough comprises a feed trough body, the top of the feed trough body is provided with a notch along the height direction of the feed trough body in a penetrating manner, the bottom of the feed trough body is provided with a bottom plate, the bottom plate is detachably installed on the feed trough body, and the size of the bottom plate covers the whole notch. Supporting legs are installed on the four side walls of the feed trough body, and the detachable bottom plate is designed for the feed trough, so that the cleaning process is greatly simplified. Through the unique design of the connecting piece, the rotating body penetrates through the connecting groove and then abuts against the bottom of the bottom plate, so that the bottom plate is easy to disassemble and can be rapidly separated from the feed trough body, the bottom plate is convenient to replace and clean, the bottom of the feed trough body is convenient to clean, and cleaning personnel can clean all corners of the feed trough body conveniently. Especially, the bottom which is difficult to touch in the past is cleaned in all directions, and cleaning time and labor cost are effectively saved.
Owner:SICHUAN FIPUR AGRICULTURE & ANIMAL HUSBANDRY TECHNOLOGY CO LTD

Aluminum foil tableware with split charging structure

ActiveCN224112241Uachieve preliminary separationprevent leakageOther accessoriesInterior spaceStructural engineering
The utility model discloses aluminum foil tableware with a split charging structure, which comprises a meal box body, and two groups of first mounting blocks and two groups of second mounting blocks are arranged on the inner side wall of the meal box body; a first limiting groove and a second limiting groove are formed in the first mounting block and the second mounting block respectively, and a first partition plate is detachably mounted in the first limiting groove; a sealing strip is arranged on the inner bottom wall of the meal box body, and a sealing groove is formed in the sealing strip; a reinforcing structure is arranged on the bottom wall of the meal box body. A first partition plate in the lunch box body is detachably mounted in a first limiting groove, so that the internal space of the lunch box is preliminarily partitioned; meanwhile, through the arrangement of a third mounting block and a third limiting groove on the first partition plate, the second partition plate can be detachably mounted, and space partition is further refined; the sealing strip arranged on the inner bottom wall of the lunch box body and the sealing groove in the sealing strip effectively prevent food juice from leaking, and different foods are prevented from being tainted by other odors.
Owner:JIAXING JINXIN AL CONTAINER

Adjustable swing gap passive magnetorheological damper

This invention provides a passive magnetorheological damper with adjustable swing gap, comprising a cylinder, a piston rod, and a piston assembly. The cylinder includes a cylinder barrel with openings at both ends along the axial direction and end caps respectively connected to the openings of the cylinder barrel. The piston assembly is slidably disposed within the cylinder barrel. The connecting end of the piston rod is connected to the piston assembly, and the free end of the piston rod extends axially through the end caps. The piston assembly includes a piston end cap and several damping components distributed circumferentially on the piston end cap. The connecting ends of the damping components are hinged to the piston end caps, and the free ends of the damping components can be driven to move away from the inner wall of the cylinder barrel. The invention also includes an adjustment component disposed within the cylinder barrel, which drives the free ends of the damping components to swing away from the inner wall of the cylinder barrel around the hinge point. This damper requires no external power supply or sealing element, has a mechanically adjustable swing gap, a compact structure, and a large output damping force, which is beneficial for the further promotion and application of magnetorheological technology.
Owner:CHONGQING UNIV

A butterfly valve structure with optimized sealing performance

This utility model discloses a butterfly valve structure with optimized sealing performance, including a butterfly valve body. Connecting pipes are provided at both ends of the butterfly valve body. A connecting assembly is provided between the butterfly valve body and the connecting pipes. The connecting assembly includes a fixed sleeve fixed to the surfaces of both ends of the butterfly valve body. A fixed ring is fixedly connected to the surface of the connecting pipe. A movable sleeve is provided on the side of the fixed ring away from the fixed sleeve. The movable sleeve is fitted onto the surface of the connecting pipe. An external thread is formed on one side of the movable sleeve surface. An internal thread matching the external thread is formed on the inner surface of the fixed sleeve. A rotating ring is fixedly fitted on the other side of the movable sleeve surface. By designing the butterfly valve body, connecting pipes, and connecting assembly, personnel can quickly connect the butterfly valve body to the connecting pipes. The operation is simple, time-saving, and labor-saving, effectively improving installation efficiency. The overall structure is compact and worthy of widespread use.
Owner:JIANGSU HIDA MARINE VALVE

Combined oil return sealing structure

ActiveCN224201117UOptimize return pathFast reflowEngine sealsStructural engineeringMechanical engineering
The utility model discloses a combined oil return sealing structure which comprises a main shaft, an oil slinger, an end cover and a labyrinth type oil seal. The main shaft is divided into a primary shaft and a secondary shaft from left to right, the radius of the primary shaft is smaller than that of the secondary shaft, the left end of the primary shaft penetrates through the transmission device, and an annular groove is formed in the right end of the primary shaft; the oil slinger is assembled on the primary shaft, the left side of the oil slinger is attached to the right side of the transmission device, and the right side of the oil slinger is attached to the left side face of the secondary shaft. The labyrinth type oil seal is installed on the secondary shaft in a clearance mode, a trapezoid ring groove and an annular boss are arranged on the outer side of the labyrinth type oil seal, the annular boss is in clearance fit with a groove in the corresponding position of the end cover, and a plurality of ring grooves are formed in an inner hole of the labyrinth type oil seal; a plurality of oil holes communicated with the annular groove are further formed in the labyrinth type oil seal, and an axial hole jointly communicated with the oil holes is further formed in the labyrinth type oil seal. According to the utility model, a sealing structure and a lubricating oil backflow path are optimized, the oil return efficiency is improved, and the risks of retention and oil degradation are reduced; meanwhile, the oil leakage risk is effectively reduced.
Owner:SHAANXI FAST AUTO DRIVE GRP CO LTD

A circulating packing box for mixed loading medicine

ActiveCN224589571Ueasy to operateSimple sealing structure
This utility model relates to the field of packaging box technology, and in particular to a reusable packaging box for mixed medicines. It includes a box body and a lid. The box body includes a front side panel, a rear side panel, a left side panel, and a right side panel. The bottom of the box body has a bottom plate structure. The lid includes a top panel and a sealing plate. The top panel is connected to the rear side panel, and the sealing plate is located on the side opposite the top and rear side panels. A first slot is provided through the front side panel, and the sealing plate is inserted into the first slot. It also includes a partition plate, which is connected to either the left or right side panel. A second slot is provided through the rear side panel, and the partition plate can be inserted into the second slot, dividing the interior of the box into two placement areas. With the partition plate, when two kinds of medicines or other items need to be mixed, the partition plate can be directly inserted into the second slot to divide the interior of the box into two placement areas for different medicines or items, making operation simple and convenient. Simultaneously, a sealing plate is provided on the top panel that inserts into the front side panel, providing a simple and easy-to-operate sealing structure.
Owner:YOU ZHENG KE XUE YAN JIU GUI HUA YUAN +1

Ultra-low temperature top-entry ball valve with valve seat seal structure

This utility model discloses an ultra-low temperature top-mounted ball valve with a valve seat sealing structure, relating to the field of valve equipment technology. It includes a valve body and a ball disposed within the valve body's internal cavity. The valve body has an inlet and an outlet end, respectively. Both the inlet and outlet ends of the valve body are equipped with valve seat support rings. A valve seat is disposed between the valve seat support ring and the ball, with the valve seat support ring pressing the valve seat against the ball surface to form a sealing fit. An annular support ring groove is coaxially provided on the side of the valve seat support ring closest to the ball, and the valve seat is embedded in the support ring groove with an interference fit. A stepped surface is provided on the side of the valve seat located within the support ring groove, and a sealing ring is fitted onto the stepped surface. The width of the stepped surface is greater than the width of the sealing ring. The sealing ring can move axially under the pressure of the medium, thereby sealing any gaps created, improving sealing performance, and preventing leakage at the mating part between the valve seat and the valve seat support ring.
Owner:SICHUAN KCON VALVE MFG

A dust collector bag that is easy to connect and fix

This utility model relates to the field of dust collector bag technology, specifically a dust collector bag that is easy to connect and fix. It includes a bag body fitted onto a bag frame. The bag body is characterized by a steel wire ring at its top, and multiple sets of rubber strips fixed to the inner wall of the bag body, with grooves on the surface of the rubber strips. The beneficial effect is that by integrally forming a cloth cover around the top of the bag body, and setting steel wire rings on the top and bottom surfaces of the inner wall of the cloth cover, during installation, after fitting the bag body onto the bag frame, pulling downwards causes the cloth cover to fit over the top of the frame. Using pliers, the steel wire rings are twisted through the cloth cover, tightly securing them to the top ring of the bag frame. Simultaneously, the rubber sleeve on the inner ring of the cloth cover increases the friction between it and the top ring of the frame, further strengthening the connection and effectively preventing the bag body from falling off during use, ensuring stable dust collection.
Owner:JIANGSU HENGRUI ENVIRONMENTAL PROTECTION TECH CO LTD

Plane glass mounting frame of excavator cab

The utility model discloses an excavator cab plain glass mounting frame which comprises a first plate frame and a second plate frame, a welding bead is welded and positioned between the first plate frame and the second plate frame, and compression-resistant frame structures are positioned in the first plate frame and the second plate frame. The first plate frame and the second plate frame each comprise a sealing assembly, a metal plate assembly and an alloy reinforcing assembly, the metal plate assemblies are located on the surfaces of the alloy reinforcing assemblies, and the sealing assemblies are located on the surfaces of the metal plate assemblies. An upper supporting frame plate, a first side supporting frame plate, a lower supporting frame plate and a second side supporting frame plate are installed in the compression-resistant frame structure. According to the plane glass mounting frame for the excavator cab, the flatness of a glass sticking surface is improved, so that the use amount of sticking glue is reduced, the cost is reduced, the working procedure is maintained, the sealing structure is optimized, the appearance attractiveness is improved, the use amount of sealant is reduced, and the cost is reduced.
Owner:JIANG SU BEN YU AUTOMOBILE BODY PROD CO LTD

Sponge forming box for sponge production

ActiveCN224183549UPrecise control start and stopPrecise control of opening and closingSolenoid valveProcess engineering
The utility model relates to the technical field of sponge production, and discloses a sponge forming box for sponge production, which comprises a box body, a partition plate is fixedly arranged in the box body, a control panel is arranged on the outer surface of the box body, the top of the box body is connected with a box cover, and a temperature and humidity sensor is embedded in the middle of the bottom end of the box cover. According to the sponge forming box for sponge production, environmental data in the box are collected in real time through a temperature and humidity sensor embedded in the bottom end of the box cover and transmitted to a control panel, and the control panel accurately controls starting and stopping of a heating wire and opening and closing of electromagnetic valves on an air inlet pipe and an exhaust pipe according to a preset program or actual monitoring data; therefore, the temperature and the humidity in the box can be accurately adjusted, a stable and appropriate temperature and humidity environment is achieved, it can be ensured that sponge raw materials complete the forming processes of foaming, curing and the like under the optimal condition, the quality problems of uneven sponge density, bubble defects and the like caused by temperature and humidity fluctuation are effectively avoided, and the quality of sponge products is remarkably improved.
Owner:RUGAO HENGTIAN MECHANICAL CO LTD

Hydraulically driven enhanced rotary jetting mechanism and drill bit assembly

ActiveCN115929204Bincrease fluid velocityIncrease crack propagationConstructionsLiquid/gas jet drillingSpiral flowJet (fluid)
The application relates to a liquid-driven enhanced rotary jet mechanism and a drill bit assembly, the liquid-driven enhanced rotary jet mechanism comprising an outer cylinder, a pad sleeve, a spiral rod, a center cylinder, a leakage cylinder and a guide nozzle, the pad sleeve being in a cylindrical structure and fixed on the inner side wall of the outer cylinder, the pad sleeve being internally provided with the spiral rod capable of rotating relative to the pad sleeve, the outer side wall of the spiral rod being provided with a spiral flow channel penetrating through the axial two ends of the spiral rod; the inner side wall of the outer cylinder is further provided with a bearing, the bearing being located below the pad sleeve and the spiral rod, the inner ring of the bearing being fixed with the center cylinder, the upper end of the center cylinder being fixedly connected with the lower end of the spiral rod, and the center flow channel being communicated with the lower end of the spiral flow channel on the outer side wall of the spiral rod; the lower end of the center flow channel is further provided with the leakage cylinder, and the guide nozzle is mounted on the leakage cylinder. The application can form an enhanced rotary jet, has the advantages of the rotary jet "water mill" effect of stretching-shearing rock breaking, can increase the fluid velocity of the drill bit surface, and can improve the drilling speed and protect the drill bit.
Owner:CHINA NAT PETROLEUM CORP +1

A rotating reaction equipment and process suitable for high-temperature molten salt pyrolysis of biomass

PendingCN122273455AReduce the amount of adhesionachieve recyclingLiquid metalAlloy
This invention discloses a rotary reaction apparatus and process suitable for high-temperature molten salt pyrolysis of biomass. The reaction apparatus includes a molten salt purging device, a molten salt inlet, a compartmentalized molten salt tank, an integrated stage, a nickel-based alloy mesh, a motor, a reaction apparatus shell, a gas detection system, a temperature detection and control system, baffles, and a heating layer. The apparatus is made of high-temperature and corrosion-resistant materials, making it suitable for high-temperature and highly corrosive environments. Based on the synergistic effect of the molten salt characteristics and the reaction apparatus, the utilization efficiency of the molten salt is effectively improved and the mass and heat transfer processes are enhanced through the significant thinning and renewal rate of the liquid film under hypergravity conditions. By adjusting the molten salt feed rate and the rotation speed of the rotary table, the pyrolysis process under different mass and heat transfer efficiencies can be explored. This invention can be extended to reaction systems such as liquid metals. The assembly of this invention is relatively efficient, with low investment, and it can explore the influence of mass and heat transfer during the pyrolysis process on the products, thereby obtaining relevant thermodynamic and kinetic parameters.
Owner:ZHEJIANG UNIV OF TECH