209results about How to "Few parts" patented technology

This invention discloses an adaptive wave-absorbing and flow-guiding device for aero-engines, comprising a casing made of wave-absorbing composite material, a wave-absorbing inner ring concentrically arranged with the casing, multiple adjustable wave-absorbing blades distributed circumferentially along the casing, a conical fairing disposed at the leading edge of the wave-absorbing inner ring, and an actuation mechanism. The adjustable wave-absorbing blades include an adjustable leading edge made of metal and an adjustable trailing portion made of wave-absorbing composite material. The leading edge of the adjustable wave-absorbing blade is fixedly disposed between the casing and the wave-absorbing inner ring, while the trailing portion is movably disposed between the casing and the wave-absorbing inner ring. The actuation mechanism is used to adjust the angle between the trailing portion of the adjustable wave-absorbing blade and the incoming flow. This adaptive wave-absorbing and flow-guiding device for aero-engines achieves the dual functions of regulating the inlet airflow and wave-absorbing efficiency, reducing the complexity of the aero-engine system and thus improving its operational reliability.

The invention relates to the technical field of pet supplies, and particularly discloses a pet water dispenser. The pet water dispenser comprises a shell, a drinking tray assembly, a driving piece and an overturning transmission mechanism. The drinking tray assembly is installed on the shell through a rotating shaft on the side portion, the overturning transmission mechanism comprises a driving sliding block driven by a driving piece and a contour surface arranged on the drinking tray assembly, and the drinking tray assembly is driven to automatically overturn around the rotating shaft to pour sewage through cooperation of the sliding block and the contour surface. A locking mechanism is further arranged, automatic locking is achieved when the rotating shaft is installed in place, and axial loosening of the assembly is prevented. The water dispenser is simple and compact in structure, high in automation degree and reliable in work, and the use safety and convenience are effectively improved.

The utility model provides a kind of current transformer and GIS, belong to high voltage switch field.The current transformer includes mutual inductor cylinder and flange, the outside of flange is equipped with gasket by fastener, the height of mutual inductor cylinder protruding from the outside of flange is greater than the height of fastener and gasket protruding from the outside of flange, one end of mutual inductor cylinder is provided with tangent outside fillet and inside fillet passing through spacer ring, the radius of inside fillet is ten times to fifteen times of the radius of outside fillet, the junction of inside fillet and mutual inductor cylinder inside surface is located between the outside surface and inside surface of flange.The GIS includes the current transformer described above.The utility model dispenses with shielding ring, but by the design and optimization of mutual inductor cylinder structure, the end of mutual inductor cylinder can replace shielding ring and play the role of shielding isolation between conducting rod and gasket, screw.

The utility model discloses raw material juicing equipment for blended fruit juice production, which comprises a base, the outer wall of the top of the base is fixedly connected with a squeezing device, the inner wall of the top of the squeezing device is fixedly connected with a feeding guide plate, and the outer wall of the bottom of the squeezing device is fixedly connected with a distributing guide plate. According to the squeezing device, through cooperation of the positioning block and the connecting plate, when the interior of the squeezing barrel needs to be cleaned, the rotating button is rotated to move upwards on the screw rod and break away from the connecting plate, then the screw rod is rotated to break away from the connecting groove, and the opening and closing plate can be opened; the inside of the squeezing barrel is completely exposed, an operator can conveniently and comprehensively clean residual pulp, juice and the like, two flow guide plates are arranged through the material distribution guide plate, one flow guide plate is located below the filter screen, and the other flow guide plate is located below the discharging plate, so that the juice and pomace can be respectively guided through one component.

The utility model discloses a base material conveying structure applied to a textile machine, which comprises a textile device, a base material storage rack is arranged on the rear side of the textile device, a swing rod assembly is arranged on the base material storage rack, a moving assembly capable of moving along the direction of the swing rod assembly is arranged on the swing rod assembly, and the base material storage rack is provided with a base material conveying mechanism. An adjusting assembly used for adjusting the position of the moving assembly is arranged on the swing rod assembly, an angle positioning structure used for fixing the angle of the swing rod assembly is arranged between the swing rod assembly and the base material storage frame, and two positioning roll shafts are arranged on the moving assembly at intervals. Through the innovative synergistic effect of the swing rod assembly and the moving assembly, accurate and flexible adjustment of the input direction of the base material is achieved, the stability after adjustment is ensured through a reliable positioning structure, and therefore the quality and efficiency of textile production are improved, and diversified textile process requirements are met.

The radial flexible mechanism of the scroll compressor comprises a main shaft, a crankshaft seat is arranged at the output end of the main shaft, an eccentric hole is axially formed in the end portion of the end, away from the main shaft, of the crankshaft seat, and a crank pin is fixedly connected into the eccentric hole. The outer side of the end, away from the crankshaft seat, of the crank pin is fixedly sleeved with an eccentric shaft sleeve, one side of the eccentric shaft sleeve is fixedly connected with an eccentric block, a limiting groove is formed in the outer side of the end, close to the eccentric block, of the crankshaft seat, and an elastic washer is arranged on the inner side of the limiting groove. The groove is formed in the outer side of the crankshaft seat on the main shaft, and the rubber ring is fixed on the crankshaft, so that the collision between the eccentric block and the crankshaft is avoided, and the NVH (Noise Vibration and Harshness) performance is favorably improved; due to the fact that the rubber ring is additionally arranged, the self-aligning function has a buffering function, too intense self-aligning and rollback are avoided, and the movable disc of the compressor is more stable in operation, low in noise and good in NVH expression homogeneity.

The utility model relates to a transverse impedance multidirectional damping steel spring device which comprises a spring outer sleeve (1), a steel spring (5) and a spring inner sleeve, the spring inner sleeve comprises a spring inner sleeve cover (2) and a spring inner sleeve base (6), and a transverse impedance elastic body (3) for transverse limiting is arranged between the spring outer sleeve (1) and the spring inner sleeve base (6). Compared with the prior art, three-direction damping amplification is adopted, besides the main vibration isolation direction, the stability and vibration in the direction perpendicular to the main vibration isolation direction of the spring can be controlled, and meanwhile the problem that the spring is subjected to transverse shearing dynamic load to cause fatigue fracture and failure of the spring is solved; therefore, the transverse stability and reliability are improved, and the service life of parts is prolonged.

This invention discloses a nitrogen-driven pneumatic directional drilling equipment for downhole cuttings removal in soft coal seams, comprising a nitrogen drive mechanism and a directional drilling rig. The directional drilling rig has a directional drill string assembly structure, which includes a drill rod. A probe outer tube is coaxially sleeved inside the drill rod, and a measuring probe is coaxially sleeved inside the probe outer tube. The measuring probe is used to measure the gas flow rate and pressure in the borehole. An annular downward air chamber for nitrogen gas flow is formed between the inner wall of the probe outer tube and the outer wall of the measuring probe. An air inlet is opened on the outer wall of the drill rod at the lower part, and an annular upward air chamber for nitrogen gas flow is formed between the inner wall of the drill rod above the air inlet and the outer wall of the probe outer tube. A trumpet-shaped wind shield, wider at the bottom and narrower at the top, is connected to the outer wall of the drill rod above the air inlet. This invention also discloses a corresponding borehole cuttings removal method. This invention significantly reduces the resistance to airflow, achieving faster drilling speeds and removing more cuttings under the same air volume and pressure.

The utility model relates to a trampoline with handrails belongs to trampoline technical field. The trampoline with handrails includes bed body and handrail, and the bed body includes trampoline frame and support leg, and the outer wall of support leg is opened with a plurality of thread holes along the circumference, and the handrail is connected to the support leg through handrail connecting assembly, the handrail connecting assembly includes outer sleeve and first fastener, and the outer sleeve is fixedly connected to the handrail and is sleeved on the support leg, the outer sleeve is opened with the through groove extending along the circumference, and when assembling the outer sleeve and the support leg at any angle, at least one thread hole is communicated with the through groove, the first fastener includes screw rod part and abutting part, the screw rod part is screwed through the through groove and is communicated with the thread hole of the through groove, the abutting part cannot pass through the through groove, when the screw rod part is screwed with the thread hole, the abutting part is abutted on the outer wall of the outer sleeve to press the outer sleeve on the support leg. The trampoline with handrails realizes the quick installation of handrail and trampoline support leg, and its handrail connecting structure is simple, firm and not easy to loosen.

This patent discloses a reading stand for one-handed page turning, including a frame, a flexible book clip, and a book clip holder. The book clip holder can adjust the rotation angle of the flexible book clip. Due to its length difference, the flexible book clip can switch between different gripping states via the book clip holder: a free position, a hovering critical position, or a maximum hovering position. This allows for one-handed switching of gripping states and page turning. The hovering characteristic of the flexible book clip ensures that it remains stably open after being lifted, providing invisible support for the hand turning pages. Users do not need to exert effort to keep the book clip open while turning pages, allowing them to focus entirely on the page-turning action itself. This intelligent interactive experience of "lift to stop, press to close" greatly reduces the operational burden, making long-term reading more relaxed and comfortable, and significantly improving user comfort and satisfaction.

An excitation closer capable of improving closing reliability comprises a shell with a cavity, a first conductor and a second conductor, the first conductor and the second conductor are arranged in the shell in a penetrating mode in an insulated and opposite spaced mode, an excitation source and a piston are arranged in the cavity of the shell, the piston is of a shell-shaped structure with one end open and one end closed, and at least the peripheral face of the piston is made of conductive materials. The open end of the piston faces the driving force release end of the excitation source, and the closed end of the piston is arranged corresponding to the relatively spaced ends of the first conductor and the second conductor; the excitation source can act according to a received trigger signal to release driving force to drive the piston to move towards the first conductor and the second conductor, so that the piston is clamped between the ends, oppositely arranged at intervals, of the first conductor and the second conductor in a plastic deformation mode, and the first conductor and the second conductor are conducted. According to the invention, the reliability of conduction between the first conductor and the second conductor is improved through the plastically deformed piston.

The utility model discloses a single motor electric drive axle structure to overcome the deficiency of the whole axle weight of existing electric drive axle, low space utilization rate. Including drive motor, have the first level driving gear, the first level driven gear, the first level output shaft, the second level driving gear through input shaft connection in proper order, be provided with three gear shift key wheel of three gear shift slide sleeve and three gear shift gear on the first level output shaft. The second level driven gear of setting up with the second level driving gear is engaged and the first gear shift key wheel of connecting one, two gear shift slide sleeve is arranged on left hollow shaft, and the sun gear is set up two gear shift gear and ring gear on right hollow shaft, and the sun gear is connected in proper order planetary gear, gear ring, and the differential is connected through planetary gear carrier, and the fourth level driving gear and the third level driven gear of engaging with two gear shift gear are connected on the first gear intermediate shaft, and the first gear is engaged in the hollow sleeve on left hollow shaft. The scheme has obvious advantage in cost control, weight optimization, space utilization, control complexity.

This utility model discloses a gripping and rotating coordinated apple-picking end effector, installed at the end of a picking robotic arm, comprising a cylindrical housing, a linear motor, a transmission mechanism, and a gripper assembly. The transmission mechanism converts the linear motion output by the linear motor into linear and rotational motions. The gripper assembly opens and rotates via an upward motion, and closes and rotates in the opposite direction via a downward motion to twist and break the fruit stem. The transmission mechanism uses a pin sleeve in cooperation with a central groove shaft, and achieves step-by-step movement through a spiral groove and a limiting groove structure. The gripper assembly completes clamping and twisting through a guide ridge and a hinge seat. This design simplifies the drive structure, reduces costs, improves reliability and picking efficiency, and is suitable for apple picking scenarios with short stems and dense branches.

This invention relates to a thermal management system for electric vehicles, belonging to the field of automotive thermal management technology. By interlinking and coupling the refrigerant circuit and coolant circuit, and fully utilizing waste heat from the motor, it can achieve different functional scenarios for independent or interconnected operation of passenger compartment thermal management, battery thermal management, and motor thermal management, thus meeting the cooling and heating requirements of the thermal management system. This thermal management system has comprehensive functional applications, low cost, and is simple and easy to control.

The utility model relates to the field of living beef cattle egg collection, and discloses a living cattle egg collection fixing frame which comprises a top frame and a bottom frame which are arranged in parallel, the top frame and the bottom frame are both of a hollow structure, a plurality of side pipes are fixedly connected to the two sides of the bottom end of the top frame and the two sides of the top end of the bottom frame respectively, and rotating rods are rotationally installed on the front sides of the top frame and the bottom frame respectively. The top ends and the bottom ends of the sides, close to each other, of the two rotating rods are fixedly connected with transverse rods correspondingly, a plurality of vertical pipes are arranged between the two transverse rods arranged in parallel in the vertical direction in parallel, a plurality of mounting bases are fixedly connected to the top end of one side of the top frame, and one side of each mounting base is rotationally connected with a connecting bent arm through a rotating shaft. Inclined plug pins distributed in the vertical direction are fixedly installed at the positions, close to the centers of the two rotating rods, of the connecting bent arms, plug bushes matched with the inclined plug pins in an inserted mode are fixedly installed on the outer side and the inner side of the top frame correspondingly, and adjusting assemblies are movably installed on the inner sides of the ends, close to each other, of the top frame and the bottom frame. By means of the structure, the cattle can be conveniently fixed in the process of collecting the eggs of the living cattle.

The utility model discloses a kind of reversing devices of pneumatic control pressure boost pump, including the pressure boost piston being arranged in pressure boost cylinder, the rear end of pressure boost cylinder is equipped with the reversing valve core of axial extension and perpendicular to axial first gas hole, second gas hole, third gas hole, first gas hole and second gas hole are respectively communicated pneumatic control valve, first gas hole is always open air hole;Reversing valve core is equipped with communication groove;Pressure boost piston connects reversing valve core;Pressure boost piston moves reversely and pushes reversing valve core, so that communication groove is communicated first gas hole and second gas hole, gas in first gas hole enters pneumatic control valve and promotes its reversing;Pressure boost piston moves forward and makes communication groove be communicated second gas hole and third gas hole, gas in second gas hole is discharged from third gas hole and promotes pneumatic control valve reversing.The reversing device of the reversing device of pneumatic control pressure boost pump and the piston stroke linkage of pressure boost pump, and pneumatic control valve reversing is controlled by pneumatic mode, structure is ingenious, few parts, high reliability, action is stable, guarantee the pressure boost efficiency of gas pressure boost pump.

The application provides a vehicle door glass lifting mechanism, a system and a vehicle door. The vehicle door glass lifting mechanism comprises a guide rail arranged on the vehicle door, a sliding block arranged on the guide rail, a mounting part arranged on the sliding block and used for mounting the vehicle door glass, a first adjusting part arranged between the sliding block and the mounting part, and a fixing part arranged on the sliding block and used for fixing the adjusted mounting part. The vehicle door glass lifting mechanism can adjust the vehicle door glass mounted on the mounting part to a suitable position, and then facilitate the assembly between the vehicle door glass and other parts of the vehicle body.

The utility model relates to a kind of foldable hair dryer, including hair dryer barrel and handle, and the connecting place of hair dryer barrel and handle is provided with rotating structure, rotating structure includes the clamping structure and rotating limit structure sequentially arranged from top to bottom;Handle is set to be symmetrical two petals combination, and the one end of handle connecting hair dryer barrel is set to be inclined first inclined plane, and the first inclined plane of combination is provided with the semicircular through-hole of facing each other;Hair dryer barrel connects handle one end and is set to be the second inclined plane corresponding to first inclined plane, and rotating structure is set in second inclined plane;Two semicircular through-holes are respectively clamped in the two sides of clamping structure, and the limiting piece of cooperation rotating limit structure is set in handle, and rotating limit structure extends to handle and cooperates with limiting piece. By a rotating structure, and the connecting mode of handle, hair dryer barrel and rotating structure is very simple, and it will not be too complex when assembling, it is convenient to maintain, few parts, cost is lower, and it will not appear the situation of jam.

The utility model relates to an automatic focusing three-dimensional five-axis laser cutting head which comprises an optical fiber QBH automatic collimation assembly, a C-axis rotating assembly, an A-axis rotating assembly, a light path reflection assembly and a cutting assembly, and has the advantages that the structure is compact, focusing is accurate, the optical fiber QBH automatic collimation assembly and an automatic focusing lens assembly are adopted, the center position and the focal length of a light beam can be accurately adjusted, and the cutting efficiency is improved. Stable and consistent cutting quality is guaranteed, and cutting precision is improved. The protection assembly is internally provided with pressurized gas to prevent dust pollution, and the service life of the optical element is prolonged; the anti-collision assembly is in magnetic attraction connection with an annular magnet through a contact type sensor, the cutting head is effectively protected against collision damage, the equipment reliability is improved, and the service life is prolonged. The laser machining device is high in adaptability, can adapt to various types of lasers, meets different machining requirements, has good universality and flexibility, and expands the application range. The automatic focusing function reduces manual intervention, accelerates the cutting speed, improves the production efficiency and reduces the production cost.

The utility model relates to the technical field of toys, provide a kind of toy rebound structure and toy, toy rebound structure includes: first part, one end is equipped with opening, along the direction of inside of opening is equipped with conical space;Second part, one end is equipped with V-shaped structure, the V-shaped structure has open state and close state;When external force drives the V-shaped structure to enter into the conical space through the opening, the V-shaped structure is deformed into the close state;When the external force is removed, it can be ejected from the conical space under the driving of the elastic recovery force of the V-shaped structure itself, and then make itself restore to the open state.The utility model omits the structure of metal spring or elastic sheet etc. in the prior art, fewer components, simplify the complexity of product structure, reduce the cost of toy, and it is practical.

The embodiment of the present application provides a wearable device, which comprises a main body part, a belt, an inflation assembly and a pressure sensor, the main body part comprises a bottom shell, a middle frame and a gas guide cover plate, the middle frame is assembled to the bottom shell to form a containing space, a gas path is arranged in the containing space, a gas guide channel is formed between the gas guide cover plate and the bottom shell, and the gas guide channel serves as at least a part of the gas path; the belt is used for connecting the main body part; the inflation assembly comprises a gas pump assembly, a gas bag and a gas path, the gas pump assembly is arranged on the main body part, the gas pump assembly is communicated with the gas path, the gas bag is arranged on the belt and communicated with the gas path, and the pressure sensor is arranged in the gas path. The wearable device provided by the embodiment of the present application forms the gas guide channel between the gas guide cover plate and the bottom shell as at least a part of the gas path, the gas path is formed by the bottom shell of the main body part, the number of parts of the gas guide structure can be reduced, the mounting space for mounting the gas guide structure can be reduced, and the assembly is more convenient; in addition, the embodiment of the present application further provides a watch head mechanism.

The utility model discloses a heavy hammer motion guiding mechanism and a drawing faucet, the heavy hammer motion guiding mechanism is used for guiding the motion of a heavy hammer of the drawing faucet, the heavy hammer motion guiding mechanism comprises a sliding cylinder, an inner cavity of the sliding cylinder forms a sliding guiding channel of the heavy hammer, one end of the sliding cylinder is provided with a first opening, and the other end of the sliding cylinder is provided with a second opening. A second opening is formed in the other end of the sliding barrel or the side wall of the sliding barrel, and the first opening and the second opening are used for allowing a drawing hose of a drawing faucet to penetrate through. According to the utility model, the shaking amplitude of the heavy hammer is effectively inhibited, the collision noise of the heavy hammer is reduced, the smoothness of the drawing operation of a user is improved, the space required by the movement of the heavy hammer is greatly reduced, and more available space under the table can be released, so that the installation and arrangement of other devices in the space under the table are facilitated.

The utility model discloses a novel pet car which comprises a car frame, the car frame comprises a folding box, a folding rotating assembly, a hand push rod, two rear wheel supports and two front wheel supports, the folding rotating assembly is located in the folding box, and the top ends of the rear wheel supports, the top ends of the front wheel supports and the bottom end of the hand push rod are all connected with the folding assembly; the hand push rod can stretch out and draw back and unlock the folding rotating assembly, and the rear wheel support and the front wheel support rotate and draw close to each other. The pet basket comprises an upper surrounding frame, a lower surrounding frame, a supporting frame, a bottom plate and surrounding cloth, the two ends of the supporting frame are hinged between the upper surrounding frame and the lower surrounding frame respectively, the bottom plate is installed on the inner side of the lower surrounding frame, and the surrounding cloth is connected between the upper surrounding frame and the lower surrounding frame; and the bottom plate is detachably mounted above the folding box. The pet basket has the advantages that folding operation steps are simplified, carrying and storage are convenient, and the pet basket is convenient to detach and clean.

The utility model discloses an on-off valve for a water pipe and a water outlet faucet, which relate to the technical field of valves and comprise a shell, a sealing plug, a valve core, an annular sleeve and a handle, a cavity is formed in the shell and communicated with a water outlet channel and a water inlet channel, and a strip-shaped hole is formed in the side wall of the cavity. The sealing plug is positioned at the water inlet end and is provided with a water inlet hole which is communicated with the water inlet channel; the valve element is coaxially arranged on the side, away from the water inlet end, of the sealing plug and provided with a water outlet hole, the water outlet hole communicates with the water outlet channel, and the valve element can rotate around the axis of the valve element in the cavity so that the water outlet hole and the water inlet hole can be communicated or separated. The annular sleeve is coaxially arranged on the periphery of the valve element in a sleeving mode and connected with the valve element, and part of the outer side wall of the annular sleeve is exposed through the strip-shaped hole. The handle penetrates through the strip-shaped hole and then is connected with the annular sleeve. The on-off valve is applied to the water outlet faucet. Compared with an existing valve, the valve has fewer parts, and is simple in structure and better in reliability.

The utility model provides an ice mould structure of ice maker, including the front ice mould thin plate and rear ice mould thin plate of vertical arrangement and install between the front ice mould thin plate rear ice mould thin plate's evaporimeter, the front ice mould thin plate is towards the one end of rear ice mould thin plate interval arrangement has a plurality of first inner recess along vertical direction, the one end of rear ice mould thin plate interval arrangement has a plurality of second inner recess along vertical direction, a plurality of second inner recess and a plurality of first inner recess one to one correspondence, the evaporimeter includes a plurality of evaporation pipes, one side of evaporation pipe is in the first inner recess in the inlay, the other side of evaporation pipe is in the second inner recess in the inlay, the utility model provides an ice mould structure of ice maker, has overcome the defect that the ice mould structure structure is relatively complex and the ice making efficiency is lower.

The utility model relates to the technical field of focusing, in particular to a focusing device for improving focusing precision based on a long lens cone, which comprises a substrate; the fixed lens cone is arranged on the substrate; the fixed lens cone is provided with an axial chute, and one end of the fixed lens cone is provided with a laser light source. The lengthened inner lens cone is movably arranged in the fixed lens cone at a preset gap; a focusing lens is arranged at one end, close to the laser light source, of the lengthened inner lens cone; the driving mechanism is arranged on the base plate; the driving mechanism is connected with the lengthened inner lens cone through the adjusting mechanism and the axial sliding groove and drives the lengthened inner lens cone to move along the axial sliding groove. And the axial deviation angle between the lengthened inner lens cone and the fixed lens cone is reduced along with the increase of the length of the lengthened inner lens cone, so that the focusing precision is improved. The focusing device has the advantages that by lengthening the inner lens cone and simplifying the structures of the lengthened inner lens cone and the fixed lens cone, the stability of the focusing device is remarkably improved, and the problem of light spot shaking is solved.

The present application relates to mechanical assembly technical field, specifically, a kind of umbrella hoisting device and the hoisting method of gear hub type parts.The device includes: middle pole, multiple pin holes are provided on it along the axial direction;Ring is arranged on the top of middle pole;Movable hinge base is arranged on middle pole through sliding sleeve;Pin is arranged in sliding sleeve and cooperates with selected pin hole;Fixed hinge base is arranged on the bottom of middle pole;Multiple claw pole upper part is hinged with movable hinge base, and lower end is bent to form support claw;Multiple connecting rod two ends are respectively hinged with fixed hinge base and corresponding claw pole middle lower part;Pressing assembly is arranged on each claw pole and located above support claw.Movable hinge base moves relative to middle pole axial direction, and claw pole is driven to fold or unfold by connecting rod.The present application realizes axial two-way clamping to gear hub type parts annular boss by support claw and pressing assembly, avoids damaging internal tooth surface, has the advantages of compact structure, convenient operation, strong adaptability, hoisting stable and reliable.