64results about How to "Avoid obstruction" patented technology

The utility model discloses a kind of centrifugal fan mounting structure and centrifugal fan, it is related to centrifugal fan technical field, the utility model includes flange barrel, flange barrel one end is fixed with locating block, flange barrel outside is sleeved with soft connection barrel, and soft connection barrel outside is sleeved with compression ring, and compression ring one end is provided with locating hole;Compression ring top is fixed with lifting seat, and lifting seat one end is penetrated with flange bolt, flange bolt one end is fixed with puncture head, flange barrel top is provided with fixed groove, and fixed groove inside is connected with nut.The utility model is equipped with locating block and locating hole, the number of locating block and locating block is same with the number of lifting seat, flange bolt and nut, and five are annular array equidistant distribution, so in assembly process, locating block enters locating block, then lifting seat and nut will be aligned;Avoid angle deviation between lifting seat and nut in assembly process to cause the phenomenon that flange bolt cannot be loaded.

This utility model discloses a transferable stretcher cart, including a mobile frame, a support frame, and two sets of railings. The support frame is fixedly installed on the top of the mobile frame, and the two sets of railings are symmetrically arranged on the top of the support frame. Two sets of fixed seats are fixedly installed at the bottom of the support frame, and each of the two sets of fixed seats has an adjustment component inside. The adjustment components allow the railings to be lowered and retracted. This utility model, through the setting of the adjustment components, enables the railings to be flexibly raised and lowered. When transporting patients, the railings can be raised to effectively prevent patients from falling. When transferring patients, the railings can be quickly lowered and retracted, making the support frame flat. This solves the obstruction of traditional fixed railings, allowing medical staff to more smoothly move patients to the bed or operating table without the need for strenuous lifting, significantly reducing the difficulty of operation and the need for manpower. At the same time, it also avoids the risk of patients slipping due to lifting movements.

This utility model discloses a multi-layer composite corrosion-resistant fiberglass water pipe, relating to the technical field of glass pipes. It solves the problem that existing fiberglass water pipes, when used in municipal drainage, have interconnected internal pipes, and long-term use results in the generation of odors inside the pipes, which are discharged through the bottom inlet, seriously affecting the outdoor environment. The invention includes a glass pipe and a baffle. A fixing ring is fixedly installed inside the glass pipe. Through the cooperation between the connecting rod and the baffle, the baffle can be pushed open by the water pressure during drainage, allowing water to move through the inside of the glass pipe. When there is no water flow, the baffle can be reset, sealing the inside of the fixing ring and preventing odor from escaping.

The application belongs to the technical field of thermal spraying workpiece clamping, in particular to a thermal spraying workpiece clamping platform, which comprises a workbench, a fixed sleeve fixedly installed on the workbench, a conversion disc assembly arranged in the fixed sleeve, the conversion disc assembly comprising: a disc body rotatably installed in the fixed sleeve, a plurality of groups of rectangular grooves equally angularly arranged on the outer circle of the disc body, a workpiece placing rack movably installed in the rectangular groove, a receiving plate fixedly connected to the bottom of the workpiece placing rack, two groups of side plates symmetrically fixedly connected to the receiving plate, a movable frame movably installed between the two groups of side plates, a first spring arranged on one side of the movable frame, and a convex shaft matched with a first inclined sliding groove to enable the workpiece placing rack to move away from the material port, so that the qualified test piece can be timely taken off from the conversion disc assembly, thereby shortening the interval time of the staff for the experiment on the qualified test piece and indirectly improving the efficiency of the experiment on the test piece.

The utility model relates to the technical field of coil production and processing, and discloses a multi-station drawing force testing device which comprises a base plate, the top of the base plate is fixedly connected with an object placing head, the top of the rear wall surface of the base plate is fixedly connected with a rack, the bottom of the rack is rotatably connected with a worm, the top of the worm is provided with a handle, and the handle is connected with the object placing head. A limiting column is fixedly connected to the front position of the worm, a detector is arranged on the wall face of the worm, the bottom of the detector is further fixedly connected with the same storage head, and the storage head at the bottom of the detector and the storage head at the top of the base plate are mutually symmetrical; the centralizing structure comprises a centralizing plate, a clamping column and a collecting box, the centralizing plate is fixedly connected to the rear wall face of the base plate, the clamping column is fixedly connected to the top of the centralizing plate, the collecting box is detachably connected to the top of the centralizing plate, the centralizing plate is a rectangular plate, and the base plate, the rack, the worm, the detector and the storage head which are the same are arranged on the peripheral wall faces of the centralizing plate respectively.

The utility model relates to cleaning tool technical field, specifically disclose a kind of cleaning equipment and cleaning system, the cleaning equipment, including: host computer and sealing element, the host computer has backflow air duct, the backflow air duct has for the backflow docking interface of intercommunication base station;The sealing element is located on the backflow docking interface and / or the base station, the inner wall surface of the sealing element does not protrude the inner wall surface of the backflow air duct, the sealing element is configured to when the backflow docking interface is docked with the base station, the gap between the backflow docking interface and the base station is sealed.According to the cleaning equipment of the utility model embodiment, the airflow of backflow air duct can be avoided by the sealing element to cause hindering, improve the airflow smoothness of backflow air duct.

The utility model discloses a kind of punching equipment, including base, the position of four end angles of base lower end is uniformly fixedly connected with gyro wheel, one end of base is fixedly connected with handle, the position of both sides of base and close to handle one end is uniformly set with limiting mechanism, the middle part of the upper end of base is provided with notch, the inside of notch is provided with rotating mechanism, the upper end of base is provided with bearing seat, the middle part of the lower end of bearing seat is fixedly connected with connecting rod, connecting rod is slidably connected with the inside of notch, the upper end of bearing seat is provided with punching mechanism. The utility model provides a kind of punching equipment, by the structural design of punching mechanism, it can be known that when needing to be inclined to punch in the process of punching building, the structural design of fixed rod, connecting plate, first slider, electric push rod, hinged seat and connecting column can make drill rod to the inclined punching of building, and further improve the practicability of overall device.

The utility model belongs to the technical field of waste slurry residue treatment for bobbin raw paper production, specifically a waste slurry residue treatment device for bobbin raw paper production, comprising a bottom plate, the top of the bottom plate is fixedly connected with extrusion bin, the top of extrusion bin is provided with filter box, the side wall of filter box is fixedly connected with torque motor, the inside of filter box is fixedly connected with fixed platform, the side wall of fixed platform is rotatably connected with filter plate, the end of filter plate is fixedly connected with drive wheel, the bottom of fixed platform is provided with material supporting cylinder, the side wall of fixed platform is fixedly connected with fixed ring, the utility model discloses through setting torque motor, drive wheel and transmission belt make multiple filter plates rotatable, thereby make the filter of multiple filter plate top can fall off under the action of gravity, realize the automatic falling of filter, be favorable to the promotion bobbin raw paper production waste slurry residue's processing efficiency, reduce manpower demand.

This invention relates to the field of lithium-ion battery cathode material technology, specifically to a ternary composite doped high-nickel cathode material, its preparation method, and its application. The preparation method of the ternary composite doped high-nickel cathode material includes the following steps: preparing a solution A of nickel, cobalt, and manganese salts; preparing a solution B of aluminum, magnesium, and zirconium salts; in the presence of a precipitant, first performing a first co-precipitation reaction in solution A to generate a core precursor, then adding solution B to perform a second co-precipitation reaction to generate a shell precursor on the core surface, thus obtaining a core-shell structure precursor; mixing it with a lithium source and then performing gradient-segmented sintering, followed by post-treatment to obtain the final product. This invention, by concentrating the ternary composite doping elements in the shell layer, significantly improves the structural and thermal stability of the material while ensuring high capacity. The resulting cathode material exhibits excellent capacity retention and rate performance under high-pressure cycling conditions.

The utility model relates to profile processing technical field especially relates to a kind of positioning structure of cavity profile machining, including base, fixed X-axis fixed positioning mechanism, X-axis dynamic positioning mechanism, Y-axis fixed positioning mechanism, Y-axis dynamic positioning mechanism and Z-axis driving mechanism are equipped on the base, the X-axis fixed positioning mechanism and X-axis dynamic positioning mechanism are along the length direction interval arrangement of the base, the Y-axis fixed positioning mechanism and the Y-axis dynamic positioning mechanism are along the width direction interval arrangement of the base;Z-axis lower arm is fixedly arranged on the output shaft of Z-axis driving mechanism, Z-axis lower arm is driven along vertical axis rotation while moving in vertical direction under the drive of Z-axis driving mechanism.The utility model has the beneficial effects that: realize the multidirectional clamping of cavity profile, ensure the stability of cavity profile positioning;Avoid the feeding of cavity profile to cause obstruction.

This utility model discloses a self-adhesive material that reduces scratches, comprising a self-adhesive body. The self-adhesive body includes a face material layer, a first adhesive, and a first release paper. The first adhesive is disposed below the face material layer and adhered to the first release paper. A transparent film is adhered to the face material layer, and a second adhesive is disposed on both sides of the bottom of the transparent film. By using the second adhesive, this utility model can fix the transparent film, so that the transparent film can fully cover the face material layer of the self-adhesive body, effectively preventing external forces from directly contacting the self-adhesive body, thereby effectively reducing the generation of scratches, greatly improving the aesthetics of the self-adhesive body, avoiding damage to the patterns or text on the surface of the face material layer of the self-adhesive body, and the transparent film is directly adhered to the adhesive surface, making it convenient to quickly remove the transparent film if it is damaged in the future, without damaging the self-adhesive body.

The present application belongs to the technical field of millet planting, and particularly relates to a method for preventing and treating millet white hair disease, comprising the following steps: S1, spraying fungicides to a planting area in January; S2, spraying fungicides to the planting area again in February-March; S3, carrying out high-temperature sterilization on the planting area 10-15 days before millet sowing; S4, sowing millet in the planting area during the sowing period; and S5, spraying fungicides to the leaf surface of millet when the millet grows to the 7-leaf stage. The present application forms a synergistic prevention and treatment method by controlling the time node of fungicide spraying and cooperating with high-temperature sterilization. The prevention and treatment method has a significant prevention effect and strong radical treatment, can eliminate pathogenic bacteria in the soil from the root cause, greatly reduces the incidence of millet white hair disease, and significantly reduces the yield loss of millet.

This invention relates to the field of flexible printed circuit board (PCB) processing equipment, specifically to a laser cutting device for irregularly shaped PCB contours. The device includes: a mounting frame for supporting and installing the entire device, comprising a base and a support frame; an adsorption and fixing component installed on top of the base for adsorbing and fixing the PCB; two roller assemblies located on the top sides of the base for guiding the PCB; a bonding assembly located inside the support frame for pressing and bonding the PCB; and a cutting assembly installed inside the support frame via a transmission assembly for cutting the PCB. This invention, through its targeted structural design, effectively solves the technical pain points of misalignment, warping, and inaccurate positioning in the laser cutting of irregularly shaped PCB contours from roll to roll.

The utility model discloses a vertical lifting strength training device, it includes vertical weight lifting stand, is equipped with the pivot I in the upper end and the lower part of vertical weight lifting stand, is equipped with the gear in the pivot I end fixed with of vertical weight lifting stand left and right sides, is equipped with the circulating transmission chain between two gears, is distributed articulated with the stop bar for holding the barbell on the chain, the stop bar can be by horizontal direction and rotate 0 up 90 degrees, is equipped with the resistance ware of adjustable sprocket rotating speed on the pivot I of vertical weight lifting stand lower part, is equipped with the fixed stop bar in the lower part of vertical weight lifting stand, the utility model discloses can carry out strength training under the condition of not leaving the stop bar blocking range, improves security.

The embodiment of the application provides a chip testing fixture, which comprises a fixture main body, a handle and a base, and is characterized in that: the fixture main body is rotationally connected with the base through a first rotating assembly, and the handle is rotationally connected with the base through a second rotating assembly; the handle comprises a first arm part and a second arm part, the first arm part is relatively distributed on both sides of the fixture main body along a first direction, an included angle alpha is arranged at the connection position of the first arm part and the second arm part, the included angle alpha is not 0°, and the included angle alpha satisfies the movement clearance condition of the handle and the fixture main body. The chip testing fixture is designed innovatively, so that the parts in the chip testing fixture can be avoided without lengthening the handle, thereby significantly reducing the space occupation of the fixture, improving the operation inconvenience problem caused by the lengthened handle, enabling the operator to more conveniently open and close the fixture, and improving the operation efficiency and use comfort.

The utility model belongs to powder modification auxiliary equipment technical field relates to a kind of powder surface modification equipment, including the installation of modification cylinder, atomization pressurizer and hot air machine on support ring, and feed tank is hung on support ring, detachable installation has hot flow catalytic device on modification cylinder, hot air machine is connected hot flow catalytic device by air pipe, and modification cylinder bottom surface is equipped with stirring cleaning device, and modification cylinder inner chamber side and hot flow catalytic device are all closely attached stirring cleaning device.The utility model through hot flow catalytic device, not only can provide suitable temperature environment for modification reaction, accelerate the performance of chemical reaction, but also can be synergized stirring with stirring cleaning device, promote the flow of powder and modifier, enhance the contact and collision frequency between them, to speed up the speed of modification reaction, shorten modification cycle;Through stirring cleaning device, stick powder is promptly removed in stirring process, reduce the jam and blockage phenomenon of powder in equipment interior.

The utility model discloses a hand -self -contained formula positive spine bed, including positive spine bed, the positive spine bed one end is equipped with handle in the upper, the handle is equipped with the button in one side, and is equipped with the wire on the button, the other end of wire is connected alarm, and the alarm is equipped with one side outer wall of handle, the pivot is equipped with the fixed plate in the outer wall, and the fixed plate is equipped with first elastic belt in one side, and the below of first elastic belt is corresponded and is equipped with first connecting buckle on the fixed plate. The button of this hand -self -contained formula positive spine bed forms electric connection structure through wire and alarm, thereby in the automatic nursing process of positive spine bed, if the discomfort can be prompted in time through the button, the fixed plate of the device is under the action of servo motor and constitutes the rotating structure through the pivot and positive spine bed, thereby when the automatic work of positive spine bed can be fixed to the user spine through first elastic belt subassembly, while when manual positive spine can rotate the fixed plate to the downside and avoid causing the hindrance to medical staff.

The application relates to the field of lithium battery electrode connecting pieces, and discloses a folding lithium battery electrode connecting piece structure which comprises a connecting frame, a plurality of rotating plates are rotationally installed on the inner wall of the connecting frame, the rotating plates are uniformly distributed on the inner wall of the connecting frame, an installation hole is arranged in the interior of the rotating plate, two limiting plates are movably connected to the bottom end of the rotating plate, the two limiting plates are symmetrically distributed with the rotating plate as the axis, a control frame is slidably connected to the top of the rotating plate, the size specification of the surface of the rotating plate is matched with the size specification of the inner wall of the connecting frame, and the surface of the limiting plate is fixedly connected with the surface of the connecting frame; the rotating plate is installed on the inner wall of the connecting frame, the control frame is installed on the top of the rotating plate, the bottom end of the rotating plate is movably connected with the limiting plate, the position of the battery can be conveniently overhauled by means of the rotation of the rotating plate, and the problem that the overhauling of the battery by the connecting piece is hindered when a single battery is damaged is avoided.

This utility model relates to the field of composite board technology and discloses a composite integrated environmentally friendly multilayer board, including a base layer, a connecting base layer and a top base layer arranged sequentially above the base layer, and a decorative layer on the upper surface of the top base layer. The connecting base layer is connected to both the base layer and the top base layer by an adhesive layer, and the top base layer is connected to the decorative layer by an adhesive layer. The decorative layer is a thin board formed by pressing natural wood veneer. This composite integrated environmentally friendly multilayer board, by setting positioning grooves on the surfaces of the base layer, connecting base layer and top base layer, and engaging with positioning blocks on the upper and lower surfaces of the connecting base layer for interlocking installation, adds mechanical positioning connection to the adhesive bonding of each layer structure. This effectively solves the problem of delamination and warping that easily occurs in traditional multilayer boards that rely solely on adhesive bonding, significantly enhancing the overall structural stability and impact resistance of the multilayer board and extending its service life.

The utility model discloses an advertising board mounting structure, including frame, install transparent panel in the frame, install advertisement graphics in the frame, the frame is fixed on the wall through the expansion bolt, the placement groove no.

This utility model discloses a fire hose reel device for fire equipment boxes, relating to the technical field of fire equipment boxes. It includes a fire equipment box with an internal support mechanism comprising a working plate and a fixed plate. The working plate has a reeling mechanism and a sorting mechanism on its surface. The reeling mechanism includes a rotating disc and a limiting disc, while the sorting mechanism includes a cleaning brush and a pressing frame. This fire hose reel device for fire equipment boxes uses the cooperation of the fixed plate and the working plate to move the reeling mechanism out of the fire equipment box, reducing obstruction during reeling. The limiting disc is fixed to the rotating disc surface via a connecting slot. The rotating disc reels the fire hose to its surface. The cleaning brush cleans the two folded sections of the fire hose. Two pressing frames drive adjusting wheels to approach each other, squeezing out residual moisture from inside the hose.

The utility model relates to the technical field of anti -skidding of climbing car, and disclose climbing car anti -skidding subassembly, including climbing car frame, the bottom four corners of climbing car frame all are fixedly installed with universal wheel, the bottom both sides of climbing car frame all are equipped with anti -skidding mechanism symmetry, the anti -skidding mechanism includes two concave plates, two the inside of concave plate all are equipped with two slide rails, two the inside of slide rail all slide installation has the clamping plate, through setting up the cooperation of anti -skidding mechanism and drive mechanism, when positive and negative rotation motor drive adjusting lead screw rotates, the screw hole disc drives drive plate to push concave plate and move along the guide rail to the universal wheel, the gyro wheel on clamping plate rolls along the taper block inclined plane, and the thrust of taper block inclined plane forces clamping plate to overcome the tensile spring elasticity and clamps the universal wheel, both limit its rolling, and prevent axial rotation, avoid climbing car operation to slip and shake, improve stability and security.

The utility model discloses an electronic commerce show board, including electronic show board and clamping setting in the clamping seat of two sides of shopping mall guardrail, the clamping channel is formed between the clamping seat, the opposite surface of clamping seat all is equipped with first locating slot, be equipped with the bottom plate in the clamping channel, the middle place of bottom plate is protruding and forms first locating part, and first locating part inserts into first locating slot, and the both ends of bottom plate are perpendicularly installed with support rod, and electronic show board slidingly sets up between support rod, and the ground of shopping mall is opposite to the clamping seat and is equipped with the locating plate, and the locating plate with clamping seat between all are installed with a plurality of protection pole. The utility model discloses simple structure, and through clamping seat can fix electronic show board on guardrail, avoids occupying the passageway of shopping mall, and through the protection pole between the locating plate and clamping seat can protect the glass in the inside of guardrail, reduces the damage probability of glass, and electronic show board can move up and down along the limiting slot, to change its height, avoids the obstruction of sight.

The utility model discloses a kind of all-around cleaning devices of aluminum alloy casting, the utility model includes moving assembly and cleaning tank, cleaning tank is internally provided with cleaning cavity, the bottom end of cleaning tank is provided with sliding slot, cleaning cavity bottom end is communicated with sliding slot, the inner wall of sliding slot is slidably connected with collection groove, collection groove bottom end is filter plate, the lower portion of sliding slot is provided with the communication cavity being communicated with sliding slot, communication cavity side is communicated with discharge pipe, discharge pipe middle section is provided with solenoid valve, the side wall of cleaning tank is provided with the limiting slot being located in one end of sliding slot, the inner wall of limiting slot is fixed with sealing gasket, one end of collection groove is fixed with fixed plate, the outer wall of fixed plate is evenly screw-connected with hand screw bolt in four corners;The utility model is provided with sliding slot, collection groove, limiting slot, sealing gasket, fixed plate and hand screw bolt, after washing liquid is discharged, collection groove can be extracted from sliding slot and poured clean, avoid dirt remaining in collection groove.

This invention discloses a charging pile plug structure to prevent electric shock, relating to the technical field of charging pile plugs. It includes a plug body and a handle. A mounting bracket is installed on the upper surface of the plug body. A sliding sleeve is fitted onto the upper part of the mounting bracket. A plug rod is mounted on the lower surface of the sliding sleeve, with one end of the plug rod penetrating one side of the mounting bracket. A limiting component for limiting the plug rod is provided on one side of the mounting bracket. An arc-shaped tip can automatically embed into the corresponding limiting hole, achieving automatic limiting of the plug rod. Simultaneously, by rotating a reciprocating screw, the sleeve block can drive the side rod and toothed plate to move upwards, causing the driven gear to rotate counterclockwise, driving the rotating shaft and baffle to rotate. This allows the two side baffles to rotate to a horizontal position. Furthermore, the two side baffles, rubber curtain, and I-shaped plate effectively shield the plug body interface from rainwater, preventing rainwater from wetting the plug body interface and causing electric shock to the user.

The utility model discloses a kind of assembly hole aperture adjustable speed reducer, including speed reducer body and the mounting rack of being fixed in the bottom of speed reducer body, the two sides of the top front face and back of the mounting rack are all provided with locating slot, the bottom of the mounting rack is provided with the through hole being interconnected with locating slot, every group locating slot is all clamped with assembly cylinder, every group assembly cylinder is all provided with assembly hole, the mounting rack is provided with multiple groups and locating slot strip-shaped groove adaptation uses, the structure design of the utility model using assembly hole aperture can switch, can assist assembly cylinder to carry out quick positioning and self-locking, to quickly adapt to the quick docking of the assembly hole on mounting rack according to the aperture of the assembly hole on equipment, improve the assembly adaptation degree of speed reducer body, improve the assembly speed of speed reducer, improve the stability and security when speed reducer body is used.

The application relates to the technical field of protection devices, and discloses a sputtering-preventing protection device for bone sawing and grinding, which comprises a protection device main body, a tightening belt and a fixing assembly. The protection device is provided with a first transparent plastic film and a second transparent plastic film. In the operation process of sawing a bone or grinding a hip socket, the splashed bone fragments, blood and tissues will first adhere to the surface of the first transparent plastic film. When the surgeon cannot see the internal surgical field through the film, the first transparent plastic film is pulled to drive the bent end of the second transparent plastic film to be unfolded, the adhesive material on the back surface is peeled off, and the first transparent plastic film is separated from the second transparent plastic film. At this time, the first transparent plastic film adhered with the bone fragments, blood or tissues is separated. The method can shield the splashed objects and effectively avoid the obstruction of the vision caused by the adhesion.

The application discloses a 3D printer with a nozzle protection structure, and relates to the technical field of 3D printing, aiming to solve the technical problems that common 3D printers usually adopt fixed protection structures, which interfere with discharging and affect precision during printing, and meanwhile, the opening and closing structure is complex and prone to vibration, and the existing nozzle design is simple, the extrusion efficiency is low, the speed is uneven, and the printing quality is affected, and the 3D printer comprises a body mechanism and a protection mechanism. When the application is running, the driver drives the transmission assembly to run, the transmission assembly further drives the adjusting assembly to reciprocate, gas is injected into the protection assembly, the air inside the protection assembly is extracted and turned over, and the protection assembly is separated from the discharging assembly. This process avoids the obstruction of the protection plate to the nozzle discharging, ensures that the filament material can be smoothly and stably extruded from the nozzle, reduces the problems of printing interruption and material blockage caused by poor discharging, guarantees the smooth progress of the printing process, and greatly improves the printing efficiency.

The utility model discloses an automatic six-row drill with positioning mechanism relates to automatic six-row drill technical field, the utility model discloses an automatic six-row drill still includes: positioning portion, positioning portion installs on the automatic six-row drill, adjusting portion, adjusting portion is provided with two, two adjusting portion all installs on the positioning portion, the positioning portion includes moving assembly, moving assembly installs on the automatic six-row drill, drive assembly, drive assembly installs on moving assembly, moving assembly includes the support station of fixed connection in the front side of the automatic six-row drill, the utility model discloses setting positioning portion has solved the automatic six-row drill in -use process of current, is inconvenient to the board positioning, is difficult to provide stable basis for subsequent fixed and processing link, and further influence overall processing quality, increase the labor intensity of staff, also further reduced the overall efficiency of positioning and subsequent processing problem.