141results about How to "Will not fall off" patented technology

The utility model discloses a kind of dialysis pipeline fixing devices, it is related to medical instrument technical field.Dialysis pipeline fixing device, including box body, box cover, limiting component, clamping component.The first recess is opened in box body;The side of box cover is hinged with the side of box body, and the second recess is equipped on box cover;The box cover flip cover is equipped on the box body, and first recess and second recess are connected with each other to form installation channel;Limiting component is arranged on box body, and limiting component is used to limit the relative position of box cover when being covered on box body with box body;Clamping component is installed on box body;Dialysis pipeline fixing device provided by the utility model is connected by using limiting component to make box body and box cover cooperate, finally fixed in patient's clothes or bed sheet by using clamping component, when providing support for dialysis pipeline, it is more stable and reliable, while avoiding to cause misclip or lead to pipeline occlusion to dialysis pipeline, ensure the reliability of patient's hemodialysis treatment.

The utility model relates to the technical field of battery cover plates, and discloses a connecting structure of a rubber coating ring and a top cover plate, which comprises the top cover plate, a pole hole for a pole to pass through is arranged in the top cover plate, and the pole is provided with a middle section arranged in the pole hole in a penetrating manner; the periphery of the middle section is wrapped with a rubber coating ring, and a notch groove is formed in the periphery of the rubber coating ring. An upper plastic part is embedded in the pole hole, the periphery of the rubber coating ring is wrapped by the upper plastic part, the notch groove is embedded, and the pole, the top cover plate, the rubber coating ring and the upper plastic part are fixedly combined into a whole; the notch groove is formed in the periphery of the rubber coating ring, the upper plastic part can be embedded in the notch groove in the process of forming the upper plastic part through injection molding, and the upper plastic part and the top cover piece are combined into a whole, so that the torsion value is increased, the upper plastic part cannot fall off after being subjected to a fatigue test, the service life of the upper plastic part is prolonged, and the anti-rotation capability of the pole is improved.

This utility model relates to the field of electrophoresis hanger technology and discloses an electrophoresis hanger with an anti-workpiece detachment structure. It includes a main hanger board, a suspension ring fixedly installed at the upper end of the main hanger board, a hanging structure installed at the front end of the main hanger board, and an anti-detachment structure installed at the front end of the main hanger board. Pushing the locking plate outwards towards the hanging hook compresses the connecting spring, and then placing the workpiece on the hanging hook. Releasing the locking plate allows the connecting spring's restoring force to bring the locking plate closer to the workpiece. The two sets of locking plates restrict the position of the workpiece. Then, activating the cylinder moves the connecting plate and the abutment rod downwards, pressing the upper surface of the workpiece and fixing it in place. This prevents the workpiece from tilting and, because the abutment rod prevents it from detaching from the hanging hook, keeps the workpiece stable during electrophoresis. A sliding component allows adjustment of the hanging hook's height.

The present application relates to the technical field of waste lithium ion battery recycling, and discloses a waste lithium ion battery disassembling and recycling device, which comprises a base, a multi-angle adjusting mechanical arm, a clamping jaw disassembling structure, an impact and piercing structure and a telescopic cutting structure. The base is symmetrically provided with a disassembling box and a recycling box at both ends. The multi-angle adjusting mechanical arm is installed at the upper end of the base. The clamping jaw disassembling structure is connected to the upper end of the multi-angle adjusting mechanical arm. The clamping jaw disassembling structure comprises a clamping jaw. The impact and piercing structure and the telescopic cutting structure are symmetrically arranged on both sides of the clamping jaw. The front end of the disassembling box is provided with a waste lithium ion battery positioning mechanism. The present application can quickly disassemble and classify the waste lithium ion battery, stably disassemble components of waste lithium ion batteries of different sizes and shapes, and position the waste lithium ion batteries of different sizes, so that the batteries will not shake or deviate during disassembly.

The utility model relates to a controller, a control system, electronic equipment and a vehicle. The controller comprises a shell; the circuit board assembly is arranged in the shell; the electromagnetic shielding mechanism is used for realizing electromagnetic shielding; wherein the electromagnetic shielding mechanism comprises an electromagnetic shielding piece and a supporting piece, and the supporting piece is arranged in the shell and used for connecting the electromagnetic shielding piece with the circuit board assembly. The electromagnetic shielding part is subjected to two-way pressure from the shell and the circuit board assembly, so that the electromagnetic shielding part is in tight contact with the shell, the circuit board assembly and the connector, and the electromagnetic shielding part cannot fall off after being used for a long time; the electromagnetic shielding piece which is in close contact and is not easy to fall off is formed, and the long-term stable electromagnetic shielding effect can be ensured.

The utility model relates to the technical field of folding carts, and provides an installation part which comprises a body, and side plates are formed on the two sides of the body. A sliding groove is defined by the side plates and the main body and can be connected with a supporting rod of the folding cart in a clamped mode. Therefore, the connection between the mounting part and the folding cart is realized, and the connection stability between the sunshade and the folding cart can be improved. A clamping groove is formed in a side plate on any side of the main body, and the clamping groove can be clamped with a flange arranged on the supporting rod; the clamping groove is matched with the flange of the supporting rod, so that the mounting piece and the supporting rod can be connected more stably; and finally, a connecting hole is formed in the main body in the axial direction, and the connecting hole is used for connecting a connecting rod of the sunshade, so that the sunshade can be connected with the folding cart through the mounting piece. Therefore, the sunshade can be easily connected by the mounting piece, and the sunshade cannot shake or fall off.

The application provides a flaky flower-like single-crystal sodium vanadium oxyfluorophosphate / carbon composite material, a preparation method thereof and a sodium ion battery. The flaky flower-like single-crystal sodium vanadium oxyfluorophosphate material is prepared through a hydrothermal reaction. A surfactant is used to control the crystal face growth direction in the material synthesis process, so that the sodium vanadium oxyfluorophosphate grows to form a flaky flower-like single-crystal structure, and then the ion transmission distance is shortened, the ion kinetic characteristics of the material can be effectively improved, and on the basis of ensuring the structural stability of the material, that is, the cycle performance, the rate characteristics of the material are effectively improved. Through carbon coating, the electronic conductivity of the surface of the material particles is improved, and the capacity rate performance of the material is effectively improved.

The utility model discloses a water area propulsive force output device and a water area propeller. The water area propulsive force output device comprises a rotating part, a torque output shaft, a torque pushing pin, an elastic part and a thrust part, a pin hole is formed in the torque output shaft, the torque pushing pin penetrates through the pin hole, and the torque pushing pin and the pin hole are in clearance fit; the rotating piece is provided with a bolt matching groove and an abutting face located outside the opening end of the bolt matching groove. The thrust piece is fixed on the torque output shaft; the elastic piece is arranged between the thrust piece and the torque pushing pin, and one end of the elastic piece is connected to the thrust piece; in the dismounting state, the elastic piece elastically abuts against the torque pushing pin, so that the torque pushing pin abuts against the inner wall of the pin hole under the acting force of the elastic piece and is further positioned in the pin hole, the torque pushing pin cannot fall off from the pin hole, and the torque pushing pin is effectively prevented from falling off and being lost.

The utility model provides a kind of nipple cutting balloon dilatation catheter, comprising: the balloon part of being arranged in the front part of catheter, the tube wall of the balloon part is wrapped with balloon, the outer surface of the balloon is equipped with multiple knife filaments, and the knife filament is used to be connected with high frequency generator.The utility model can be sent into or pulled out duodenal nipple in the guide of guide wire, and dilate duodenal nipple, when nipple sphincter stenosis appears, handle joint connects high frequency generator, and the knife filament on the surface of balloon can carry out electroincision effect to the tissue of stenosis, increase stenosis dilatation efficiency and effect.

This utility model provides a film-pulling assembly for a sealing machine, belonging to the technical field of sealing machine technology. It includes a support frame that can slide linearly on the sealing machine; a clamping structure fixed to the support frame, comprising a hinged movable clamping plate, the rotation of which clamps or releases the material; a reset component connected to the movable clamping plate, used to drive the movable clamping plate to rotate and then push it back to its original position; and an electromagnetic component that indirectly drives the movable clamping plate to rotate via electromagnetic force. This utility model allows the reset component to reset the moment the electromagnetic component stops working, thus enabling the reset component to drive the clamping mechanism to clamp and fix the material. This allows the material end to be pulled during the movement of the film-pulling assembly, thereby indirectly improving material processing efficiency.

The utility model discloses a glass curtain wall installing and positioning device which comprises a suction cup positioning assembly and a glass curtain wall body arranged on the front face of the suction cup positioning assembly, the top of the suction cup positioning assembly is fixedly connected with a clamping mechanism, the clamping mechanism comprises a double-end air cylinder, the output end of the double-end air cylinder is fixedly connected with an extending plate, and the extending plate is fixedly connected with the suction cup positioning assembly. A lower plate is fixedly connected to the inner side of the bottom of the extension plate, the bottom of the lower plate is slidably connected with the suction cup positioning assembly, the outer side of the lower plate penetrates to the outer side of the suction cup positioning assembly and is fixedly connected with a side clamping plate, and the inner side of the side clamping plate is located on the surface of the glass curtain wall body. According to the installation positioning device, the phenomenon that the safety is poor due to the fact that limiting only depends on suction cups in the prior art is changed, the glass curtain wall body is clamped through the side clamping plates, the phenomenon that the suction cups fall off when encountering large external wind power and the like is avoided, installation safety of the glass curtain wall is effectively guaranteed, and installation quality is improved.

The utility model discloses a transformer iron core stacking and overturning tool, which relates to the technical field of transformers, and comprises a stacking workbench and a mounting bottom plate, the inner wall of the stacking workbench is in sliding connection with a U-shaped limiting rod, one side of the U-shaped limiting rod is fixedly connected with a position control guide rod, the outer circumferential surface of the position control guide rod is in sliding connection with the inner wall of the stacking workbench, and the mounting bottom plate is fixedly connected with the U-shaped limiting rod. A part protection shell is fixedly connected to one side of the stacking workbench, a position control sleeve is fixedly connected to the top of the part protection shell, an external push rod is slidably connected to the inner wall of the position control sleeve, and a stress disc is fixedly connected to one end of the external push rod. Through the arrangement of the stacking workbench, the U-shaped limiting rod, the position control guide rod, the component protection shell, the position control sleeve, the external push rod, the stress disc, the friction limiting rod and the first toughness spring, the stability of the stacked iron core in the moving process can be effectively guaranteed, the iron core on the outermost side cannot fall off, and the practical effect of the tool is enhanced.

The utility model belongs to the technical field of metal pressing, in particular to a pressing device for a hydraulic coupler, which is characterized in that a middle short rod is mounted on the surface of a rack base, a front panel is mounted at the end part of the middle short rod, a movable vertical plate is vertically assembled in the middle of the front panel, and two groups of air rod mounting seats are mounted on the movable vertical plate in a penetrating manner; two sets of lifting air rods are assembled at the end of the air rod mounting seat, a base plate is mounted on the upper surface of the movable vertical plate, a set of abrasive belt tightness adjusting device is additionally mounted in the middle of a front panel of the rack, a set of movable plates are additionally mounted in the middle of the rack, and the position of a tightness wheel is adjusted through the movable air rod on one side of the rack. According to the polishing structure, the polishing abrasive belt is guaranteed not to loosen and fall off during long-time operation, the polishing efficiency and the polishing quality are improved, meanwhile, the operation safety is guaranteed, meanwhile, the outer housing is additionally arranged in the middle of the rack, the pressure borne by the polishing structure is reduced, and the service life of the device is prolonged.

The utility model discloses adjustable sika deer fight -preventing eye -shading device, including eye -patch, be provided with adjusting assembly on the eye -patch, adjusting assembly includes main elastic band and from elastic band, main elastic band is connected in the one end of eye -patch, from elastic band is connected in the other end of eye -patch, be equipped with the main connection page on the main elastic band connection, be equipped with from the connection page on from elastic band connection, open the firm hole on from the connection page, be provided with firm assembly on the main connection page and from the connection page, firm assembly includes firm cover and firm rod, firm cover installs on the main connection page, firm rod can detachable mounting is in the main connection page, firm rod is adapted with firm hole, be equipped with firm board on firm rod connection, to solve the technical problem that the current shading device in actual operation is very inconvenient in the background art.

This utility model belongs to the field of medical devices, specifically a microneedle device for hair transplantation suitable for different scalp types. Addressing the problems of existing devices using fixed-size needles or inconvenient needle replacement, it is difficult to fully meet the needs of different scalp types. Especially when treating sensitive scalps, needles that are too thick or too thin can cause unnecessary damage or discomfort. The proposed solution includes a main body comprising a needle tube and a hollow needle, the hollow needle being fitted onto the bottom end of the outer wall of the needle tube; and a pushing component for pushing hair follicles, the pushing component being disposed inside the needle tube and the hollow needle, the pushing component including a push rod. The hollow needle is installed through a connecting component, allowing for quick replacement of hollow needles of different sizes to adjust patient sensitivity when adapting to different scalp types. The device is simple to operate and securely fixed, preventing detachment.

The application relates to a cable fixing device and an electric submersible screw pump, which comprises a positioning pipe, a gathering component, a guide pipe, a fixing mechanism and a position adjusting mechanism. The cable penetrates through the gathering component, the positioning pipe and the guide pipe. The gathering component is arranged at the end of the positioning pipe. The position adjusting mechanism is rotationally connected with the positioning pipe, the fixing mechanism and the guide pipe respectively, drives the positioning pipe and the guide pipe to move towards or away from each other, adjusts the radial distance between the fixing mechanism and the cable, and can adapt to wellheads with different diameters. The gathering component comprises a limiting component and a plurality of gathering elements. The plurality of gathering elements are arranged along the circumference of the end of the positioning pipe. The limiting component fastens the plurality of gathering elements. The plurality of gathering elements are used for centrally fixing the cable and ensure that the cable cannot fall off or move. The fixing mechanism is clamped on the wellhead, fixes the whole cable fixing device on the wellhead, better bears the gravity of the cable and the vibration in downhole operation, and prevents the cable from loosening or falling off.

The invention belongs to the technical field of gastroscope sharp foreign body taking-out devices, and particularly discloses a multi-form adjustable gastroscope sharp foreign body taking-out auxiliary device which comprises a gastroscope head tube, one end of the gastroscope head tube is sleeved with a transparent tube cap, and folding rubber bags are evenly and fixedly installed on the outer surface of an auxiliary connecting end. According to the multi-form adjusting sharp foreign matter taking-out auxiliary device for the gastroscope, after the gastroscope lens tube is fed into the body of a patient and a sharp foreign matter is clamped, endoscope foreign matter forceps can be pulled to enable the sharp foreign matter to be close to the auxiliary connecting end, then air can be injected into the folding rubber bag through the ventilation channel, and the sharp foreign matter can be taken out through the ventilation channel. The folding rubber bag can be gradually expanded and expanded through air injection so as to shield the clamped sharp foreign matter, the sharp foreign matter cannot scratch the interior of the digestive tract of a patient in the taking-out process, secondary damage caused by the sharp foreign matter is reduced, and the comfort degree of the patient after the foreign matter is taken out is improved.

The utility model discloses a steel frame outer wall external thermal insulation system structure, and belongs to the technical field of building outer wall external thermal insulation construction, the steel frame outer wall external thermal insulation system structure comprises a wall body, a steel frame is embedded in the front side of the wall body, an outer wall external thermal insulation structure is arranged on the front side of the steel frame, and the outer wall external thermal insulation structure is composed of a plurality of outer wall thermal insulation plates; the steel frame is fixedly installed on the wall body through the expansion bolts, the outer wall heat preservation plate is fixedly installed on the steel frame through cooperation of the positioning pieces, the connecting threads and the fixing pieces, and the expansion joints are formed in the outer walls of the positioning pieces, so that in the process that the fixing pieces are screwed to be inserted into the positioning pieces, the outer wall heat preservation plate is fixedly installed on the steel frame. When the external wall insulation board is installed, the positioning piece is extruded through the fixing piece to be opened outwards to abut against the external wall insulation board, so that the connection tightness between the positioning piece and the external wall insulation board is improved, it is guaranteed that the external wall insulation board cannot fall off after being installed through the structure, and safety is guaranteed.

The application provides a kind of fiber sealing material and its preparation method, belong to sealing material technical field.The preparation method of fiber sealing material provided by the application includes the following steps: the solution of fiber, solvent, microfibrillated cellulose, latex, additive, filler and coupling agent modified microfibrillated cellulose is mixed to obtain slurry;The slurry and flocculating agent are mixed, then shearing is carried out to obtain microfloc polymer;The microfloc polymer and the solution of coupling agent modified inorganic microparticle are mixed, papermaking is carried out to obtain fiber sealing material.The application adds microfibrillated cellulose in slurry system, uses modified microparticle retention system, through the synergistic effect of hydrogen bond combination between microfibrillated cellulose and slurry system and modified microparticle retention system retention, the flatness of fiber sealing material surface and the compatibility and binding force between fiber sealing material surface and glue line are improved, so as to improve the firmness of fiber sealing material surface printing glue line.

The utility model relates to the technical field of lifting operation safety auxiliary devices. The electricity approaching alarm device for the self-propelled hoisting machinery comprises a signal transmitter and a signal receiving audible and visual alarm, the signal transmitter comprises a signal transmitter main body and a transmitter mounting frame; the emitter mounting frame comprises a roller, a roller rotating shaft, a clamping screw rod, a clamping nut and two clamping plates; the signal transmitter main body is arranged in the roller, and the roller is rotationally connected with the roller rotating shaft; the two clamping plates are arranged at the two ends of the roller rotating shaft; at least one clamping plate is in sliding fit with the roller rotating shaft; a clamping screw rod is arranged between the two clamping plates in a penetrating manner; the clamping nut is in threaded fit with the clamping screw rod; a clamping opening is formed between the end parts of one sides of the two clamping plates; the two clamping plates can be driven to be clamped on the two sides of the movable pulley support by tightening the clamping nuts. The device overcomes the defect that when an existing device is installed on a lifting hook assembly, normal operation of hoisting machinery is easily hindered.

The utility model provides a pre-plating and post-plating ultrasonic cleaning structure for an optical element, and particularly relates to the technical field of optical elements. A second cleaning tank, a third cleaning tank and a fourth cleaning tank are sequentially arranged on the third-stage sewage discharging device, the second cleaning tank and the third cleaning tank are separated through a first blocking edge structure, the third cleaning tank and the fourth cleaning tank are separated through a second blocking edge structure, a first sewage discharging pipe is arranged in the second blocking edge structure, and a second sewage discharging pipe is arranged in the fourth cleaning tank. A first blow-off pipe is communicated with one side of the top of the fourth cleaning tank and one side of the bottom of the third cleaning tank, a first edge blocking structure inclines from the third cleaning tank to one side of the second cleaning tank, and a second blow-off pipe is arranged on one side of the top of the second cleaning tank. Pure water is continuously added into the fourth cleaning tank, dirt in the ultrasonic cleaning process can be discharged, the cleaning efficiency is improved, and the cleaning process of the optical element before and after plating with high cleanliness is achieved.

The utility model relates to the technical field of gear forgings, and discloses a high-strength light-weight gear forge piece which comprises an outer ring column, the outer portion of the outer ring column is a cylinder, a fixing column is arranged in the outer ring column, a threaded clamping groove is formed in the top end of the interior of the outer ring column, and a rubber sleeve is arranged outside the threaded clamping groove. The high-strength light-weight gear forge piece further comprises a fixing assembly which is installed in the outer ring column and used for conveniently disassembling and replacing parts in the using process, and by arranging the fixing assembly which comprises a hollow ring, a sliding way, a protruding block and other structures, connection between the fixing column and the outer ring column is convenient to disassemble; when a certain part of the gear forge piece is damaged, the damaged part can be rapidly detached and replaced, overall replacement is not needed, the maintenance efficiency of equipment is greatly improved, and the maintenance cost is reduced.

The utility model discloses a high-density electrical method instrument, which relates to the technical field of electrical method instruments and comprises an electrical method instrument body, one end of the electrical method instrument body is provided with an electrode box, the outer side of the electrode box is provided with a supporting assembly, the bottom end of the electrode box is provided with a connecting jack, and the inner side wall of the connecting jack is provided with a limiting groove. According to the high-density electrical method instrument, an electrode bar is inserted along the inner wall of a connecting insertion hole, at the moment, one end of an electrode column is inserted into the inner wall of an electrode insertion hole, when a limiting ring on the outer side of the electrode bar coincides with a limiting groove, the electrode bar is rotated to clamp the limiting ring and the limiting groove, and it is guaranteed that the electrode bar cannot fall off; when the electrode bar is in use, the pressing column is in contact with the bottom of the electrode jack, the abutting column moves upwards along the inner wall of the cavity, at the moment, the top end of the abutting column extrudes the telescopic rod, so that the telescopic rod expands outwards along the round hole in the outer side of the electrode column, at the moment, the telescopic rod extrudes the conducting strip, and the electrical connection stability of the electrode bar is guaranteed.

The utility model relates to the technical field of paper tubes, and discloses a pressure-resistant anti-deformation paper tube and a paper tube mechanism, the paper tube mechanism comprises a shell and end sleeves, the end sleeves are respectively located at two ends of the shell, a connecting cross rod is fixedly connected to the center of the opposite sides of the two end sleeves, and a plurality of supporting columns are fixedly connected to the outer wall of the connecting cross rod at equal intervals; according to the paper tube stacking device, the supporting mechanism is arranged, in the using process, the supporting mechanism is adopted for supporting the interior of the paper tube mechanism, the supporting mechanism adopts the supporting transverse rods and the supporting lantern rings as main supports, the multiple supporting frames are arranged, gaps formed between the supporting transverse rods can be effectively stacked, and the paper tube stacking device is convenient to use. According to the supporting structure, the stable anti-pressure capacity is ensured, rubber powder serves as a main adhesive on the outer portion of the supporting cross rod, the outer portion of the supporting lantern ring and the outer portion of the supporting frame, the anti-pressure capacity can be effectively improved, the corresponding adhesive effect can be achieved, and it is ensured that the situation of falling is avoided.

The application discloses a kind of for sweat glucose concentration monitoring method, it is related to sweat monitoring field, comprising the following steps: step 1, enzyme-fixed chain conjugate synthesis: glucose dehydrogenase is reacted with bilirubin oxidase respectively with bifunctional crosslinking agent and is purified, obtain enzyme-crosslinking agent intermediate;It is clicked with azide modified DNA fixed chain chemistry reaction again, and after purification, obtain GDH-fixed chain and BOx-fixed chain conjugate;Step 2, preparation of circular DNA template: after annealing hybridization of phosphorylated template chain and primer chain, it is connected into ring by T4 DNA ligase;Step 3, rolling circle amplification self-assembly package enzyme DNA hydrogel;The present application uses super-flexible DNA hydrogel as flexible electrode material, realizes the efficient fixation and continuous stable catalysis of GDH and BOx, and constructs flexible sweat-based EBFC self-powered sensor as flexible bioelectrode, to realize continuous non-invasive blood glucose monitoring.

This utility model relates to the field of insulating pull rod press-fitting technology, specifically to a quick-assembly insulating pull rod press-fitting device, including a base, an electric slide rail mounted on the top of the base, an electric slider mounted on the inner wall of the electric slide rail, and a fixing device mounted on the top of the electric slider; the fixing device includes a connecting block, which is fixedly connected to the bottom of the electric slider, a groove is formed on the side of the connecting block, a moving block is slidably connected to the inner wall of the groove, a connecting rod is fixedly connected to the side of the moving block, and a fixing rod is fixedly connected to the side of the connecting rod. This utility model uses an electric telescopic rod to drive a connecting plate to move to the left, which in turn causes four centering blocks to evenly contact and center the insulating pull rod passing through the first and second through holes from all sides. This replaces the method of manually twisting the pull rod for coarse positioning, achieving automatic, precise, and reliable centering, providing a precise foundation for subsequent operations (such as clamping and moving).

The utility model discloses a workpiece cleaning structure of feeding machine, specifically relates to cleaning equipment technical field, including cleaning box, and cleaning box has cleaning assembly and collection subassembly in it, and cleaning assembly includes vent pipe and the rotating pipe who is connected with vent pipe, and rotating pipe is connected with the exhaust piece, and the exhaust piece includes the hose that intercommunication rotating pipe, half ring slide rail and shower nozzle, and the shower nozzle is connected on half ring slide rail through the movement slide block, to adjust the position of shower nozzle through the movement of movement slide block. The utility model passes through the hose as the connecting medium between vent pipe and shower nozzle, utilizes half ring slide rail to realize the purpose of adjusting airflow injection path, specifically, through movement slide block drive shower nozzle moves on half ring track to change the relative position and angle of shower nozzle and workpiece, and the rotation of rotating pipe is combined, realizes the all -round cleaning to the workpiece surface of different shape, size, ensures that airflow injection covers each part of workpiece, promotes the cleaning efficiency and effect.

The utility model provides a lifting appliance for a shaft fan type special-shaped piece, which belongs to the technical field of lifting equipment and comprises an axial hook, a connecting piece and a lateral hook, the lateral hook is fixedly arranged at one end of the connecting piece, and one end, far away from the lateral hook, of the connecting piece is fixedly connected with the axial hook. The lifting appliance is simple in structure, easy to operate, high in reliability, high in universality and capable of achieving safe lifting of the shaft fan type special-shaped pieces, and the working efficiency is improved.

The utility model relates to the technical field of sprayers, in particular to a sprayer structure with a protection component, which comprises a kettle body and a sprayer, the protection component is mounted on the outer wall of the sprayer and further protects a V-shaped protection shell and a C-shaped protection ring fixedly connected with one end of the V-shaped protection shell, support plates are fixedly connected with two sides of the V-shaped protection shell, and the V-shaped protection shell is fixedly connected with the C-shaped protection ring. A clamping groove matched with the outer wall of the spray head is formed in the inner wall of the V-shaped protection shell, a first sliding groove is formed in the outer wall of one end of the C-shaped protection ring, and a connecting ring is arranged in the first sliding groove in a sliding mode. Compared with the prior art, the two sides of the V-shaped protection ring are fixedly connected with the supporting plates, one end of the V-shaped protection shell is prevented from tilting to be separated from the outer wall of the spray head when the trigger is pressed, the V-shaped protection shell and the C-shaped protection ring are connected to form a rigid supporting point, hand acting force is concentrated between the V-shaped protection shell and the C-shaped protection ring, hand pressure is dispersed, and the spray head base is prevented from being bent and broken.