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90results about How to "Simple connection structure" patented technology

Waterproof panel lamp with high cost performance

A waterproof panel lamp high in cost performance comprises a disc provided with a light source cavity and a waterproof connector arranged on one side of the disc, a light-transmitting panel is installed at an opening of the light source cavity through an aluminum frame, the edge of the light-transmitting panel is wrapped with a U-shaped sealing strip, the aluminum frame is of a square frame structure on the whole, and a step face is arranged at the connecting position of the aluminum frame and the disc. An opening in the lower portion of the disc is provided with an outer edge attached to the step face and fixedly connected through a screw, the edge of the step face is provided with a sinking groove, the screw is in threaded connection with the sinking groove, the edge of the lower portion of the aluminum frame horizontally extends to form an inner edge, the U-shaped sealing strip is arranged on the inner edge, and the connecting position of the outer edge and the disc is bent downwards to form a pressing edge. The pressing edge is pressed on the upper part of the U-shaped sealing strip; according to the panel lamp structure, the U-shaped sealing strip wraps the edge of the light-transmitting panel, the light-transmitting panel is installed at the opening of the disc through the aluminum frame, the aluminum frame and the disc are fixed through the screws, the pressing edge is arranged at the edge of the disc and connected to the U-shaped sealing strip in a pressed mode, and the whole connecting structure is simple, low in manufacturing cost and good in waterproof effect.
Owner:CIXI YUANHUI LIGHTING ELECTRIC

A multi-column packaging machine that is easy to clean

The application discloses a multi-column packaging machine convenient to clean, which comprises a feeding assembly, a former body and a longitudinal sealing assembly. A material guiding recess is arranged at the bottom of a material bin. The accumulated powder material is gathered and guided to flow to a first discharge hole through the material guiding recess. The former body is arranged below the feeding assembly. A central through hole is arranged on the front side of the former body. A longitudinal sealing accommodating channel is movably formed between the surface in the third accommodating recess and the back surface of the longitudinal sealing movable seat. The longitudinal sealing accommodating channel is in communication with the central through hole. One end of a filling pipe is fixedly connected with the first discharge hole, and the other end of the filling pipe is sequentially arranged in the central through hole and the longitudinal sealing accommodating channel. Compared with the prior art, the application has the beneficial effects that the flowability of the powder material in the material bin is effectively improved through the arrangement of the arc-shaped curved surface, the central through hole is designed in an open type, and the detachable connection mode of the longitudinal sealing assembly is adopted, so that the disassembly direction of the longitudinal translation of the filling pipe is realized.
Owner:GUANGDONG GUANYI MASCH TECH CO LTD

Wind turbine generator hub main shaft connecting structure and wind turbine generator

The utility model provides a hub spindle connecting structure of a wind generating set and the wind generating set, and relates to the technical field of wind power generation. The hub and spindle connecting structure of the wind turbine generator comprises a hub, a transition connecting shaft, a spindle and a wheel disk, the hub comprises a shell and a center cavity defined by the shell, the first end, in the axial direction, of the transition connecting shaft penetrates into the center cavity, and the second end, in the axial direction, of the transition connecting shaft is integrally connected with one end of the spindle; the shell and the transition connecting shaft are integrally formed and connected; the radial plate is located in the center cavity, the first end of the radial plate is connected to the first end of the transition connecting shaft, and the second end of the radial plate is connected to the inner wall of the shell. The utility model provides a hub spindle connecting structure of a wind generating set and the wind generating set, which can reduce the cost and improve the overall rigidity.
Owner:HUA NENG JI LIN XIN NENG YUAN KAI FA YOU XIAN GONG SI TONG YU FEN GONG SI

Multi-core stranding machine

ActiveCN224519579UMovement speed remains constantquality improvementRotational axisDrive by wire
The utility model discloses a multicore wire stranding machine, including frame, swivel support, rotation axis, drive mechanism and at least two constant tension pay -off device, constant tension pay -off device sets up in swivel support and gives out core wire, drive mechanism drives rotation axis and swivel support rotation, constant tension pay -off device includes frame and sets up in the pay -off reel of frame, pay -off servo motor, gyro wheel, flexible connecting piece, rotation servo motor, tension take -up wheel, displacement detection subassembly and servo controller, and the output of pay -off servo motor is connected with the pivot of pay -off reel, and gyro wheel is linearly movably arranged in the frame, the output shaft of rotation servo motor is connected with tension take -up wheel, and displacement detection subassembly detects the rotation angle of the output shaft of rotation servo motor or detects the displacement of gyro wheel. The utility model can automatically control the tension of the core wire pay -off of stranding machine, makes the tension and line speed of cable keep constant, realizes digitization and intelligent production, effectively improves production efficiency and the quality of cable.
Owner:ZHENGWEI ELECTRICAL TECH (JIANGSU) CO LTD

1-cyclopropyl-3-(2-methylthio-4-trifluoromethylphenyl) propyl-1, 3-diketone production system

The utility model discloses a production system of 1-cyclopropyl-3-(2-methylthio-4-trifluoromethylphenyl) propyl-1, 3-diketone, which comprises an esterification unit and a condensation unit, and is characterized in that the esterification unit is connected with the condensation unit; the production system has the advantages that the production system is simple in connection structure and easy to implement, methyl 2-methylthio-4-trifluoromethyl benzoate is prepared from 2-methylthio-4-trifluoromethyl benzoic acid and the like through an esterification unit and then reacts with cyclopropyl ketone and other raw materials to prepare 1-cyclopropyl-3-(2-(methylthio)-4-(trifluoromethyl) phenyl) propyl-1, 3-diketone, and the production system has the advantages that the production system is simple in connection structure and easy to implement. The generation of three wastes is reduced, and the production cost is reduced; moreover, in the reaction process, the reaction temperature is not high, the reaction condition is mild, the yield is high, the production cost is low, the content of impurities in the product 1-cyclopropyl-3-(2-(methylthio)-4-(trifluoromethyl) phenyl) propyl-1, 3-diketone can be reduced, a high-quality reaction raw material is provided for subsequent industrial production of isoxaflutole, and the method is suitable for large-scale industrial production.
Owner:INNER MONGOLIA LANKE BIOTECHNOLOGY CO LTD

A toothbrush head

This utility model discloses a toothbrush head, including a bristle-planting head, a support assembly, and a handle. A power unit is disposed within the handle and connected to the bristle-planting head. The power unit controls the rotation of the bristle-planting head within the support assembly. The bristle-planting head includes a bristle-planting section, a drive shaft, and a driven section. One end of the drive shaft is fixedly connected to the bristle-planting section, and the other end is fixedly connected to the driven section. The driven section includes a driven rotating component, and the power unit includes a main rotating component. Both the driven and main rotating components have bevel gear structures and are meshed together to transmit power from the power unit to the driven section via bevel gear transmission. The support assembly has a notch for the drive shaft to pass through, allowing the drive shaft to engage and rotate within the support assembly. The first end face of the support assembly abuts against the bristle-planting section, and the second end face abuts against the driven section. The support assembly is fixedly connected to one end of the handle. This design offers advantages such as simple assembly structure, high transmission efficiency, and low noise.
Owner:SHENZHEN BAOLIJIE TECH CO LTD

Grooving device for ceramic floor manufacturing

The utility model relates to a grooving device for ceramic floor manufacturing. The grooving device comprises a rack, a working platform, a fixing mechanism and a rotary cutting mechanism. The working platform is arranged on the rack, and a through hole is formed in the middle of the working platform; the fixing mechanism is arranged on the working platform and used for temporarily fixing the ceramic floor to be subjected to rotary cutting; the rotary cutting mechanism is arranged on the rack and located over the working platform. The rotary cutting mechanism comprises a telescopic air cylinder, a rotary cutting motor, a rotating shaft, a supporting plate, a rotary cutting barrel and a rotary cutting head. The two ends of the telescopic air cylinder are fixed to the rack and the supporting plate and used for driving the supporting plate to move back and forth in the vertical direction. The rotary-cutting motor is fixed to the upper end face of the supporting plate, the rotating shaft is rotationally assembled on the supporting plate, the upper end of the rotating shaft is in transmission connection with an output shaft of the rotary-cutting motor, the lower end of the rotating shaft is fixed to the rotary-cutting cylinder in a butt joint mode, and the rotary-cutting head is arranged on the side wall of the lower end of the rotary-cutting cylinder. And a cylindrical through groove can be conveniently formed in the ceramic floor.
Owner:ANYANG TIANCHUANG HOT SPRAY DOPE MATERIALS CO LTD

An LED heat sink

The utility model relates to LED heat dissipation technical field especially relates to a kind of LED radiator, including the equal interval and splicing together of several heat dissipation fins, the surface of heat dissipation fin is equipped with several water inlet holes and several water outlet holes, several water inlet holes and several water outlet holes are respectively equipped with several U-shaped pipes, the water inlet and water outlet of several U-shaped pipes are located in the same horizontal plane, and the water inlet of several U-shaped pipes is respectively connected with the same main water inlet pipe by several branch water inlet pipes, the water outlet of several U-shaped pipes is respectively connected with the same main water outlet pipe by several branch water outlet pipes;The heat dissipation fin of the utility model is spliced together, can be combined according to the heat dissipation area of LED device, and the scope of application is wide, and the uniformity of heat transfer can be also guaranteed, beneficial to heat dissipation, simultaneously, the setting of U-shaped pipe increases the flow path of water flow in heat dissipation fin, can effectively take away the heat on heat dissipation fin, effectively improves heat dissipation efficiency.
Owner:DONGGUAN POWERWINX METAL IND CO LTD

An electrical connection mechanism and an air conditioner

The utility model discloses a kind of electric connection mechanism and air conditioner, it is related to air conditioning technical field.The electric connection mechanism includes connecting seat, connecting terminal and base.The connecting terminal is inserted into connecting seat setting, and with connecting seat detachable connection, base is provided with pin, connecting seat is opened with let hole, connecting seat is inserted into base setting, to make pin pass through let hole, pin is provided with first cooperation structure, connecting terminal is provided with the elastic sheet with second cooperation structure, first cooperation structure and second cooperation structure positioning cooperation.Compared with prior art, the electric connection mechanism provided by the utility model because of the pin that is inserted through let hole and is provided with first cooperation structure and the elastic sheet that is provided with second cooperation structure, so it can simplify connection structure under the condition of guaranteeing connection stability, facilitate installation and disassembly, improve disassembly efficiency, save time and effort, and reduce mold complexity degree, reduce production cost, improve economic benefit.
Owner:NINGBO AUX ELECTRIC CO LTD +1

Data transmission direct connection structure and method allowing equipment displacement

The invention provides a data transmission direct connection structure and method allowing equipment displacement. The structure comprises a connecting interface; when the connection interface is in a connection state with external equipment, the connection interface is used as an electrical connection node capable of generating controlled displacement relative to the external equipment; the controlled displacement is realized through a mechanical structure of the connecting interface, and the mechanical structure can generate relative displacement under the action of stress, so that external force is preferentially converted into displacement of the connecting interface instead of stress concentration of an electrical contact surface. According to the application, the connection interface realizes controlled displacement through a mechanical structure of the connection interface, assistance of an external flexible cable or a suspension wire is not needed, the overall connection structure can be simplified, the interface integration level and the structural stability are improved, external force can be preferentially converted into relative displacement of the connection interface, the stress of an electrical contact surface is uniformly distributed, and the stability of the electrical contact surface is improved. Electrical connection reliability is guaranteed, the service life of the connection interface is prolonged, and the external force impact resistance of the connection interface is enhanced.
Owner:QUZHOU JICASE TECHNOLOGY CO LTD

Low-noise three-screw pump and ship hydraulic system

PendingCN122589697AImprove meshing accuracyAxial positioning is accurate
The present application relates to the technical field of positive displacement fluid machinery, and particularly relates to a low-noise three-screw rod pump and a ship hydraulic system. The low-noise three-screw rod pump comprises a new active screw rod, a positioning sleeve, two new driven screw rods, and a smooth section. The positioning sleeve is provided on the smooth section of the new active screw rod in an interference fit. The positioning sleeve is provided with an annular limiting groove. The two new driven screw rods are symmetrically matched with the new active screw rod. The front end of the new driven screw rod is provided with a cylindrical guide section. The cylindrical guide section is rotatably embedded in the annular limiting groove. The circumferential surface of the cylindrical guide section is provided with a tapered oil guide surface. The tapered oil guide surface is clamped between the inner wall of the bushing and the annular limiting groove with a set radial gap. The low-noise three-screw rod pump and the ship hydraulic system solve the technical problems of vibration noise increase caused by the large axial installation gap and the radial thermal expansion and jamming.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

A hydraulic drive pre-pressing, seeding, and pressing system for a seeding machine

The utility model discloses a kind of hydraulic transmission pre-compaction, sowing, compacting system for seeding machine, including sowing component, its front side is equipped with pre-compaction roller assembly, rear side is equipped with compacting roller assembly, sowing component includes crossbeam one, and sowing unit is equipped on crossbeam one, pre-compaction roller assembly includes crossbeam two and roller body, crossbeam two both ends are fixedly connected with roller body both ends respectively through a side plate, compacting roller assembly and pre-compaction roller assembly are mirror image symmetry structure each other, the left and right ends of crossbeam one, the left and right ends of crossbeam two on pre-compaction roller assembly and the left and right ends of crossbeam two on compacting roller assembly are all fixedly installed on a corresponding vertical plate weldment, pre-compaction roller assembly and compacting roller assembly are respectively equipped with the hydraulic motor for driving corresponding roller body rotating operation. Hydraulic motor drive transmission mode connection structure is simple, installation or maintenance operation is simple, it helps to greatly shorten the sowing machine downtime operation length when pre-compaction roller assembly or compacting roller assembly two drive systems failure causes.
Owner:CHANGZHOU GOTENG MASCH CO LTD

An integrated processing system for silicone waste bodies

ActiveCN224724689UReduce the transfer linkreduce loss
This utility model discloses an integrated treatment system for waste silicone catalysts, comprising a hydrolysis tank, a gas distributor at the bottom of the hydrolysis tank, a stirrer above the hydrolysis tank, and an exhaust pipe connected to the top of the hydrolysis tank. The outlet of a nitrogen pipeline is connected to the inlet of the gas distributor via a pipe; the outlet of a waste catalyst conveying pipeline is connected to the inlet of the hydrolysis tank; and the outlet of a dilute hydrochloric acid pipeline and the outlet of a water pipeline are both connected to the inlet of the hydrolysis tank. Beneficial effects: This utility model has a simple connection structure, is easy to implement, shortens the processing cycle, reduces material loss, and thus reduces equipment and labor costs; it also reduces safety hazards, improves copper leaching rate, can be directly adapted to the waste catalyst treatment needs of existing silicone monomer workshops, has low equipment modification difficulty, and is easy to promote.
Owner:内蒙古恒星化学有限公司

Spiral connection mechanism and low-temperature fume appliance

This utility model relates to the field of electronic cigarette technology, specifically disclosing a spiral connection mechanism and a low-temperature smoking device. The spiral connection mechanism includes a base and a connecting component. The base includes a first connecting portion; the connecting component includes a second connecting portion; one of the first and second connecting portions is a spiral groove, and the other is a protrusion. When one of the connecting component and the base is screwed on and rotated relative to the other, the connecting component moves along the centerline of the base to screw in or out. This design effectively reduces the probability of the connecting component separating from the base.
Owner:SHENZHEN FIRST UNION TECH CO LTD

Inclined barrel rowing machine

The utility model belongs to the technical field of fitness equipment, and discloses an inclined barrel rowing machine which comprises a segmented folding support. Comprising a first support and a second support coupled with the first support; the seat is connected to the second bracket in a sliding manner; the damping water tank is obliquely arranged at the front end of the first bracket; the control box is fixedly connected with the damping water tank; pedal structures are arranged on the two sides of the control box. Limiting components corresponding to the pedal structure in position are arranged on the two sides of the first support, the angle of the pedal structure is prevented from changing, and then the inclination angles of the control box and the damping water tank which are connected with the pedal structure are prevented from changing. The handle is arranged on the control box; one end of the first connecting plate is rotationally connected with the front end of the first bracket, and the other end is fixed on the bottom surface of the damping water tank. The limiting assembly is arranged on the first support to limit reverse movement of the pedal structure, so that the position of the damping water tank which is obliquely arranged is prevented from changing, the damping water tank keeps an inclination angle in the using process, and the water flow stability is improved.
Owner:ZHEJIANG YUNBU INTELLIGENT TECH CO LTD

Six-degree-of-freedom parallel robot

The utility model belongs to the technical field of robots, and particularly relates to a six-degree-of-freedom parallel robot. The six-degree-of-freedom parallel robot comprises a static platform (1), a first double-joint assembly (2), a movable platform (3), a second double-joint assembly (4) and six linear actuators (5). The movable platform (3) is connected with the static platform (1) through six parallel and independent motion branch chains to form a robot with a closed-loop motion chain. According to the six-degree-of-freedom parallel robot, through coordinated change of the six linear actuators (5), the complete space movement capacity of the movable platform (3) in a three-dimensional space relative to the static platform (1) can be achieved, namely translation in the X / Y / Z directions and deflection around the X, Y and Z coordinate axes can be achieved, and therefore the six-degree-of-freedom movement capacity is obtained. Meanwhile, flexible connection and load sharing of the movable platform (3) and the linear actuator (5) are achieved, and the mechanism has the advantages of being simple in connection structure and high in stability.
Owner:BEIJING JOY-MOTION TECH CO LTD

A straight-through high-pressure manifold connection device

The utility model relates to fracturing manifold technical field especially discloses a straight -through formula high pressure manifold connecting device, is arranged between wellhead fracturing tree and fracturing manifold, and the inlet end of wellhead fracturing tree is provided with first filigree tee, and the outlet end of fracturing manifold is provided with filigree cross, and the first filigree tee and filigree cross are provided with straight -through manifold assembly between, and straight -through manifold assembly is connected with support assembly on it. The utility model discloses through the second filigree tee, first double flange pipe and second double flange pipe of setting, has simplified the connecting structure between fracturing manifold and wellhead fracturing tree, improves the efficiency of installation and the convenience of installation, simple structure, reduces use cost, improves the stability of straight -through manifold assembly through the support assembly of setting, avoids the situation of occurrence of lateral tilting and settlement in fracturing process, and the overall stability and safety are high, improve fracturing efficiency and the smoothness of fracturing.
Owner:山东宏丰智能装备有限公司

Heat exchange module assembly and vehicle

This application provides a heat exchange module assembly and a vehicle, relating to the field of vehicle heat dissipation technology. The heat exchange module assembly provided by this application includes a radiator and a shroud. The radiator has a snap-fit ​​component, and the shroud has snap-fit ​​holes into which the snap-fit ​​component is inserted. A connecting block is provided on the radiator, located outside the shroud, and has an insertion groove facing the shroud. An insertion plate is provided on the shroud, inserted into the insertion groove. By integrating the snap-fit ​​component onto the radiator and the insertion plate onto the shroud, a two-stage fixing mechanism is formed, improving stability. The shroud can be detachably assembled onto the radiator without the need for bolts and external tools, simplifying the connection structure between the shroud and the radiator and improving the ease of assembly and disassembly.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +2

A window sill end closing connection structure

This utility model discloses a window sill end finishing connection structure, including a window sill wall, a pad layer on top of the window sill wall, a stone veneer on top of the pad layer, a connecting plate on the side of the pad layer away from the window sill wall, a fixing plate fixedly connected to the lower part of the connecting plate away from the pad layer, and a side plate fixedly connected to the side plate away from the connecting plate. An upwardly inclined protrusion is provided on the upper part of the side plate away from the fixing plate. Multiple equidistant positioning blocks are provided on the side of the connecting plate near the pad layer, and positioning grooves matching the positioning blocks are formed on the pad layer. This connection structure is simple, well-concealed, and highly stable during installation, effectively preventing aging and cracking, and improving the service life of the window sill end finishing.
Owner:SHANGHAI ZHAOFENG ARCHITECTURAL DECORATION DESIGN 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

Urban water area sewage purification device

The invention discloses an urban water area sewage purification device, and belongs to the technical field of sewage treatment, the urban water area sewage purification device comprises a cylinder, the top of the cylinder is provided with an access cover, the side wall is connected with a water inlet pipe and a water outlet pipe, the water inlet is connected with a grating assembly, and the grating assembly is provided with a chemical agent supply mechanism; at least two submersible pumps are installed at the bottom in the barrel, the output ends of the submersible pumps are connected with pressure pipelines, and control valves and check valves are arranged on the pressure pipelines. An intelligent control cabinet is integrated on the top of the barrel and electrically connected with the liquid level sensor and the submersible pump. The grating assembly is arranged at the water inlet, large-particle impurities in sewage can be effectively intercepted, the impurities are prevented from entering the cylinder to block a pressure pipeline or abrade a submersible pump, the equipment fault occurrence rate is remarkably reduced, and the service life of the device is prolonged; meanwhile, the grid assembly and the chemical agent supply mechanism are arranged cooperatively, so that the agent can be fully mixed with the sewage subjected to preliminary filtration, the reaction efficiency of the agent is improved, and the subsequent purification effect is enhanced.
Owner:JILIN ARK SOIL & WATER CONSERVATION TECHNOLOGY CONSULTING CO LTD

Disinfection device and water purification equipment

The utility model discloses a disinfection device and water purification equipment, and belongs to the technical field of water purifiers, the disinfection device comprises an electrolysis module, a base and a connecting sleeve, the electrolysis module is detachably connected with the base through the connecting sleeve, when the electrolysis module is connected with the connecting sleeve, a water inlet connector is communicated with an electrolysis cavity through a water inlet of the electrolysis module, and a water outlet connector is communicated with a water outlet of the electrolysis module. The water outlet connector communicates with the electrolysis cavity through the water outlet of the electrolysis module, and the first conductive part and the second conductive part can be electrically connected so as to supply power to the electrolysis module, so that water flow can enter the electrolysis cavity from the water inlet connector, disinfectant fluid is prepared through the electrolysis cavity, and then the disinfectant fluid is discharged from the water outlet connector. The electrolysis module does not need to be connected through a pipeline, the pipeline connecting structure is simplified, the disinfection module can be rapidly disassembled and assembled, maintenance of the disinfection module is facilitated, and the device is suitable for water purification equipment.
Owner:GUANGDONG CHENGYU ELECTRICAL APPLIANCE TECHNOLOGY CO LTD

High-pressure check valve

ActiveCN224150231UOvercome the shortcomings of leakage caused by thermal cycle degradationImplement initial preloadCheck valvesLift valveAxial forceCheck valve
The utility model discloses a high-pressure check valve, and relates to the technical field of valves. The check ring is arranged on the outer wall of the valve cover in a sleeving mode, the check ring is provided with a boss extending outwards in the radial direction, the inner wall of the valve body is provided with a clamping part matched with the boss, the boss and the clamping part are clamped by rotating the check ring, and the check block is inserted to limit rotation of the check ring; a first sealing cavity and a second sealing cavity are axially formed between the outer wall of the extending end of the valve cover and the inner wall of the valve body; the sealing assembly comprises an elastic sealing piece arranged in the first sealing cavity and a wedge-shaped metal sealing ring arranged in the second sealing cavity, and the wedge-shaped metal sealing ring is located above the elastic sealing piece. When the medium pressure rises, the axial force acting on the valve cover is converted into the radial pressing force on the wedge-shaped metal sealing ring through the check ring, the self-tightening effect that the higher the pressure is, the larger the sealing specific pressure is, is formed, and therefore the defect that leakage is likely to be caused by thermal cycle attenuation due to the fact that traditional oval pad forced sealing depends on bolt pre-tightening force is overcome.
Owner:XIAN PUMP & VALVE GENERAL FACTORY CO LTD

Portable automobile air conditioner refrigerant adding device

A portable automobile air conditioner refrigerant adding device comprises a filling head, a connecting hose, a pressure gauge and an adaptive connector. The filling head is connected with a refrigerant outlet for filling refrigerants in a sealed mode, and the filling head comprises an automatic pressing reset type sealing valve and a bevel pipe connected with a valve element of the automatic pressing reset type sealing valve. The bevel pipe is connected with the connecting hose in an inserted mode, and the connecting hose comprises a first connecting hose body and a second connecting hose body. The filling head is connected with the pressure gauge through the first connecting hose, the pressure gauge is connected with the adaptive connector through the second connecting hose, and the adaptive connector is connected with a low-pressure port of the automobile air conditioner, so that filling operation and connecting operation can be conveniently realized, the sealing performance is good, and filling of refrigerant of the automobile air conditioner can be accurately controlled; and meanwhile, a leakage detection function is also realized.
Owner:GUANGDONG DONGMO NEW MATERIALS CO LTD

A kind of cylindrical valve digital hydraulic cylinder performance testing device

The utility model discloses a kind of cylindrical valve digital hydraulic cylinder performance testing devices, related to cylindrical valve technical field, including oil station, loading assembly, displacement sensor, force sensor and PLC controller, loading assembly includes loading cylinder, first switch valve, electromagnetic reversing valve, one-way self-supplying oil component, load adjustment assembly, hydraulic control locking valve group A and hydraulic control locking valve group B, electromagnetic reversing valve is connected with oil pump by first switch valve, and is connected to loading cylinder by hydraulic control locking valve group A and hydraulic control locking valve group B respectively;One-way self-supplying oil component and load adjustment assembly are connected between hydraulic control locking valve group A and hydraulic control locking valve group B in parallel;PLC controller is connected with oil pump, first switch valve, electromagnetic reversing valve, load adjustment assembly, displacement sensor, force sensor and pressure sensor respectively.The device solves the technical problem that there is no suitable test for cylindrical valve digital hydraulic cylinder in the prior art.
Owner:DONGFANG ELECTRIC AUTOMATIC CONTROL ENG CO LTD +1

An aircraft water escape hatch unlocking and locking mechanism and method

This invention discloses an aircraft water-dropping compartment door unlocking and locking mechanism for locking and unlocking the water-dropping compartment door. Specifically, it includes a latch joint and a latch groove. The latch joint is fixed to one side of the water-dropping compartment door, and the latch groove is rotatably installed on one side of the water-dropping compartment door frame. The latch groove can engage with the latch joint. A drive device is installed inside the aircraft door frame to control the rotation of the latch groove. The drive device directly drives the latch groove and latch joint to lock and unlock, making installation convenient and effectively avoiding the influence of the pull rod structure on the water-dropping compartment door. After the latch joint is unlocked by the latch groove, the water-dropping compartment door can be quickly opened under the gravity of the extinguishing medium, enabling timely release of the extinguishing medium. Furthermore, the direct-drive method using the drive device results in a simple structure, stable transmission, and effectively avoids the problem of poor reliability caused by a single point failure leading to the failure of the entire function when using a pull rod structure.
Owner:AVIC XAC COMMERCIAL AIRCRAFT CO LTD

Antenna devices and communication equipment

This application provides an antenna device and a communication device. By electrically connecting the active vibrator of the antenna device to the second end of a first conductor, and electrically connecting the first end of the first conductor to radio frequency signal ports on a circuit board, radio frequency signal transmission is achieved between the radio frequency signal ports and the active vibrator. Simultaneously, the first end of a switching element is electrically connected to the second end of the first conductor through a bias circuit, and the second end of the switching element is electrically connected to the second end of a second conductor through a bias circuit, with the first end of the second conductor grounded. This allows the bias circuit to control the on and off states of each switching element. In this way, the antenna device can freely switch between omnidirectional and directional radiation modes, while reducing the number of cables between the circuit board and the antenna body. Furthermore, by setting a radio frequency signal suppression circuit on the sub-bias circuit to suppress radio frequency signals from entering the bias circuit, the antenna radiation performance is improved.
Owner:HUAWEI TECH CO LTD

Anti-blocking easy-to-disassemble water mixing valve

The application discloses an anti-blocking easy-to-disassemble water mixing valve, and belongs to the technical field of overhauling machines. The water mixing valve comprises a T-shaped valve pipe, two water distribution pipe barrels are fixedly connected to the T-shaped valve pipe in an integrated mode, a water mixing valve core and an anti-blocking connector are detachably installed on the water distribution pipe barrels, the water mixing valve core and the anti-blocking connector are in threaded connection, a shower connecting pipe is in threaded connection with a water outlet of the T-shaped valve pipe, and a shower device is installed on the shower connecting pipe. The water mixing valve adopts a threaded connection mode among multiple components, and the water mixing valve core and the anti-blocking connector are relatively in threaded connection in the water distribution pipe barrel, so that the structure is simplified, and the water mixing valve is easy to disassemble and assemble. A rotating rod is fixedly connected to the water mixing valve core and three scraping strips in an integrated mode. When the rotating rod rotates, the proportion of cold water and hot water is adjusted, meanwhile, the scraping strips can clean impurities and dirt on the filter screen in time, so that blockage is effectively prevented. The active anti-blocking mode is different from the traditional passive filtration, and the anti-blocking capacity is greatly improved.
Owner:吕强