643results about How to "Quick disassembly and replacement" patented technology

The invention relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic locking oil cylinder assembly which comprises a cylinder body, a small cylinder barrel is arranged at the upper end of the cylinder body, an oil inlet pipe is arranged on the left side of the rear end of the cylinder body, a piston rod is arranged at the right end of the cylinder body, a locking oil pipe is arranged on the right side of the front end of the cylinder body, and an external oil pipe is correspondingly arranged on the front side of the locking oil pipe. When the fixing plate slides leftwards, a stabilizing inclined block is also extruded, the stabilizing inclined block drives a connecting rod to slide downwards on a supporting plate and compress a second spring until the fixing plate crosses the upper end of the stabilizing inclined block, the stabilizing inclined block is reset upwards under the action of the second spring, and at the moment, the left end of the fixing plate is just attached to the right end of the locking oil pipe and stops moving; the stable inclined block is beneficial to supporting the lower side of the fixing plate, the stability of the fixing plate and the blocking plate inserted into the locking oil pipe is ensured, the situation that the blocking plate automatically moves rightwards when bearing large oil pressure is avoided, and the stable locking and supporting effect in the cylinder body is ensured.

The utility model discloses a magnetic control linkage mechanism and hollow built-in shutter glass thereof, and belongs to the field of magnetic control linkage mechanisms, the magnetic control linkage mechanism comprises a window frame and an arranged magnetic control linkage assembly, an iron plate installed on a pull rope is used for replacing a traditional built-in magnetic control handle, a magnetic block in the built-in magnetic control handle does not need to be replaced, and the magnetic control linkage assembly is convenient to use. When the magnetic block in the external magnetic control handle is replaced, the mounting frame clamped in the shell can be pulled out through the handle, and the magnetic block losing the magnetic force in the mounting frame is taken down and replaced, so that the magnetic block can be magnetically attracted together with the iron plate after being replaced, and when the shell moves up and down along the side strip through the T-shaped sliding strip through the handle, the magnetic block can be replaced. Under the acting force of magnetic attraction, the magnetic block drives an internal iron plate to synchronously move up and down in a limiting moving groove in a vertical plate, and the iron plate drives a pull rope to open and close the shutter, so that the purpose of magnetic control linkage of the shutter is achieved, and when the magnetic block loses magnetic force, the magnetic block can be conveniently and rapidly disassembled, assembled and replaced.

The utility model discloses stamping equipment for hardware part machining, which comprises a main body unit, the main body unit comprises a working table, the upper end of the working table is fixedly connected with a fixing frame and a supporting frame, a stamping die is arranged in the fixing frame, a hydraulic telescopic rod is fixedly embedded in the inner wall of the supporting frame, and the hydraulic telescopic rod is fixedly connected with the working table. The punching device has the beneficial effects that a worm can be driven to rotate through a double-shaft motor, a cross rod, a first bevel gear and a second bevel gear, a cam can be driven to rotate through the worm, a worm gear and a rotating rod, a clamping plate can be pushed to move relatively through the cam, the clamping plate can be driven to rotate, and punching is conducted through the clamping plate. The stamping die is clamped and fixed through the clamping plate, or the clamping plate moves back to back to be separated from the stamping die under the elastic force effect of the reset spring, so that the stamping die is rapidly disassembled and replaced, hardware of different specifications can be machined, the production efficiency is improved, and the operation difficulty and cost are reduced.

The utility model relates to the technical field of liquid chromatographs, in particular to a liquid chromatogram sampling device which comprises a base, supporting legs are fixedly mounted at four corners of the top of the base, a top seat is fixedly mounted at the tops of the supporting legs, and a sample storage mechanism is fixedly mounted at the top of the top seat. By twisting the adjusting handle and pushing the guide block to rotate, the adjusting plate moves outwards, then the adjusting frame and the connecting shaft are pushed to move outwards, the limiting block is contracted, the limiting frame is separated, and the injector can be pulled out, meanwhile, the elastic clamping frame can stably clamp the piston rod, dismounting is convenient, and during mounting, a new injector is inserted into the limiting frame, the adjusting handle is loosened, and the piston rod can be pulled out. The limiting spring is reset, the limiting block is pushed to move inwards, the injector is clamped and positioned, then the top of the piston rod is clamped through the elastic clamping frame, and installation is completed, so that the operation process is simplified, the use convenience is improved, the injector can be rapidly replaced, and the device operation is further simplified.

The invention relates to the technical field of unit type curtain walls, and discloses an open type unit curtain wall system which comprises a unit steel beam installed on a wall surface, a unit curtain wall body is arranged in the unit steel beam, and the upper inner wall and the lower inner wall of the unit steel beam are each provided with a containing groove which is symmetrically formed; through the arrangement of the first sliding groove and the third telescopic rod piece, the first sliding groove provides accurate guiding for the curtain wall body, it is ensured that the unit curtain wall body rapidly and accurately reaches the preset position, the installation efficiency is improved, and through the combination of the arrangement of the second sliding groove and the first telescopic rod piece, hidden fixing of the unit curtain wall body is achieved; the fixing mode not only ensures the stability of the curtain wall body, but also reduces the exposure of the connecting piece through the hidden design, so that the whole curtain wall system is more attractive, the hidden installation not only improves the overall visual effect of a building, but also effectively reduces the direct action of external factors on the connecting piece, protects the structure to a certain extent, and is suitable for popularization and application. And the service life is prolonged.

The utility model relates to the technical field of injection mold replacement, in particular to a quick-replaceable double-color injection mold which comprises a mounting base, the bottom surface of the mounting base is fixed on the surface of an injection device main body, an air cylinder is arranged on the inner surface of the top of the injection device main body, and the power output end of the air cylinder of the injection device main body is fixed on the surface of an upper mold body. A mold core is arranged on the surface of the mounting base, a clamping hole is formed in the surface of the mold core, a threaded telescopic rod is clamped in the clamping hole, and the surface of the threaded telescopic rod penetrates through the threaded rod storage groove; the double-color injection mold capable of being rapidly replaced has the beneficial effects that the surface of the mold core is movably connected into the mold core mounting frame, the surface of a threaded telescopic rod penetrates through a threaded rod containing groove, and when the threaded telescopic rod is rotated, the length of the threaded telescopic rod is changed to be clamped into a clamping hole; and therefore, the mold core can be quickly disassembled and replaced from the mold core mounting frame, and the mold core can be replaced without the need of disassembling the bolt by a worker.

The utility model relates to the technical field of drilling engineering, in particular to a safety suspension device for petroleum drilling, which comprises a bottom plate, a suspension rod, a top ring and a plurality of protection units, each protection unit comprises a surrounding rod, a threaded rod, a shell, a limiting rod, a spring, a circular ring and a fixing disc, and a plurality of limiting holes distributed in a surrounding manner are formed in the fixing disc. A plurality of grooves distributed in a surrounding mode are formed in the bottom plate, and a plurality of threaded holes distributed in a surrounding mode are formed in the top ring. The limiting rod is pulled to be separated from the limiting hole, then the fixing disc is rotated to drive the threaded rod and the surrounding rod to rotate, then the threaded rod is separated from the threaded hole, then the fixing disc is pulled upwards to enable the surrounding rod to be separated from the groove in a matched mode, and the threaded rod and the surrounding rod are pulled out of the threaded hole. Therefore, a worker can quickly disassemble and replace the damaged surrounding rod, and the use safety of the device is effectively guaranteed.

The utility model discloses an energy-saving industrial waste heat recovery device in the field of waste heat recovery devices, which comprises a recovery box and a water tank arranged on one side of the recovery box, a heat recovery mechanism which extends to one side of the water tank and is communicated with the water tank is arranged in the recovery box, and a support frame is welded on one side of the recovery box far away from the water tank. According to the utility model, the heat recovery mechanism is arranged, so that cold water in the water tank can be circularly heated by hot air generated by the industry, and the heated hot water can be used by workers in a factory, so that the recycling of waste heat is realized, the utilization rate of industrial waste heat is improved, and the cost is saved; according to the air purification device, useless gas after recycling can be discharged into the atmosphere after being purified, so that atmospheric pollution is relieved, the existing environment is protected, meanwhile, the purification mechanism can be quickly disassembled and replaced through the arranged disassembly mechanism, and the purification efficiency is further improved.

The utility model belongs to the technical field of I-shaped steel welding devices, and particularly relates to a space capsule I-shaped steel welding device which comprises a welding table. First electric push rods are symmetrically installed on the two sides of the welding table, and the output ends of the first electric push rods are fixedly connected with a connecting frame. According to the specific shape of the I-shaped steel, when the two clamping plates are close to and attached to each other, the interiors of the clamping plates are of an I-shaped structure, the interiors of the clamping plates are designed to be I-shaped matched with the I-shaped steel in shape, and the two clamping plates can be pushed by the output ends of the first electric push rods to rapidly clamp and fix the welding nearby areas of the two I-shaped steel; precise alignment of two pieces of I-shaped steel in the welding process is achieved, so that the effect of rapid positioning and fixing is achieved, welding work can be conducted more efficiently, the adjusting time is saved, the production efficiency is improved, when the two clamping plates are close to each other and attached, the matching degree of the internal shape and the I-shaped steel is high, and the welding quality is improved. And damage and deformation to the I-shaped steel can be reduced.

The invention discloses a high-power metal connecting terminal and a manufacturing method thereof. The high-power metal connecting terminal comprises a round jack assembly and a round head assembly inserted into the round jack assembly. A step part is arranged at the first end of the round head assembly, a square inserting block is formed on the step part, and a hollow hole penetrating into the round head assembly is formed in one end face of the square inserting block; an annular groove is formed in one end of the round head assembly, a copper elastic piece assembly is arranged in the annular groove, the width of the copper elastic piece assembly in the natural state is smaller than the thickness of the annular groove, and the width of the copper elastic piece assembly in the completely-flattened state is larger than the thickness of the annular groove. The round head assembly is inserted into the round jack assembly, rapid disassembly and replacement of the connector are realized, the hollow hole is arranged, so that the weight and material consumption of the whole round head assembly are reduced, the cost is reduced, and the elastic sheet assembly and the annular groove can play a role in plugging and unplugging limiting of the round head assembly and play a role in electric conduction at the same time.

The utility model relates to the technical field of numerical control machine tools, and discloses an inverted numerical control turning center chip discharging device which comprises a base, a mechanical arm is arranged at the top of the base, a mounting plate is fixedly connected to the moving end of the mechanical arm, a mounting frame is fixedly connected to the bottom of the mounting plate, and an annular frame is rotationally connected to the inner side of the mounting frame. A first gear is fixedly connected to the front side of the annular frame, a supporting frame is fixedly connected to the front side of the mounting frame, a first motor is fixedly connected to the inner side of the supporting frame, a second gear is fixedly connected to the output end of the first motor, the second gear and the first gear are in meshed connection, and a second motor is fixedly connected to the top of the inner side of the annular frame. According to the turning device, angle adjustment can be carried out when a workpiece is machined, the angle and the position of the workpiece can be rapidly adjusted according to needs for turning, time and labor are saved, operation is easy and convenient, and working efficiency is improved.

The invention relates to the field of door and window production, in particular to a drilling device for door and window production, which comprises a machine body, a mounting assembly is arranged on one side of the upper part of the machine body through a lifting mechanism, a plurality of machine shells are mounted on one side of the mounting assembly, drilling tools are mounted at the bottoms of the machine shells through driving of driving motors, and a plurality of linear motors are arranged below the drilling tools. A plurality of clamp blocks are mounted on the linear motor in a limiting manner; according to the multi-hole drilling machine, the machine body is provided with the multiple drilling tool assemblies with the adjustable horizontal positions so as to meet the single-time multi-hole machining requirement, and meanwhile the drilling tools can be rapidly disassembled and replaced through the electric drive conveying belt, the air cylinder mechanism, the overturning frame and other assemblies in the machine shell; the tool bits of different sizes and specifications are stored through a plurality of clamping plates arranged on the electric drive conveying belt, and during tool changing operation, through a connecting base and a trigger type electromagnet mechanism arranged on the tool bits, quick tool dismounting and tool changing are achieved, the machining requirements of holes of various specifications at a time are met, and the machining efficiency is effectively improved.

The utility model discloses a ship water ballast space self-control anti-rolling device, relates to ocean engineering technical field, including ship side and anti-rolling water bag, the left side and right side of ship side are both symmetrically fixed installation support plate, anti-rolling water bag outer side is fixed connection shell, the outer side of connecting shell is provided with through-hole, the through-hole is connected with the through-hole, the through-hole is connected with the through-hole through the through-hole, and the through-hole is connected with the through-hole through the through-hole through the through-hole through the through-hole through the through-hole. A pipe joint of the anti-rolling water bag penetrates through the through hole, connecting mechanisms are symmetrically arranged at the upper end of the supporting plate, inserting blocks are symmetrically and fixedly installed on the outer side of the connecting shell, and the supporting plate is movably connected with the inserting blocks through the connecting mechanisms. By the adoption of the structure, when the anti-rolling water bag is disassembled, no external tool is needed, only the pull handles need to be pulled to be away from each other at the same time, the pull handles drive the clamping rods to be separated from the insertion blocks in the first insertion grooves through the pull plates connected with the pull rods, and at the moment, the connecting shell on the anti-rolling water bag can be directly disassembled from the connecting base; therefore, the anti-rolling water bag can be conveniently and rapidly disassembled, assembled, replaced and maintained.

The invention relates to the technical field of LED boxes, and particularly discloses an LED combination screen die-casting box easy to splice and assemble, which comprises a plurality of mounting boxes, the plurality of mounting boxes are spliced and assembled through connecting mechanisms arranged on the back surfaces, fixing frames are mounted in the plurality of mounting boxes, and a plurality of magnet blocks are mounted on the outer wall of one side of each fixing frame. A storage groove is formed in the fixing frame, a shielding mechanism is installed in the storage groove, and a cleaning mechanism is further arranged in the storage groove. In the invention, when a plurality of mounting boxes need to be spliced and assembled, two adjacent mounting boxes can be quickly connected and fixed by virtue of the connecting mechanisms arranged on the back surfaces of the plurality of mounting boxes after the insertion blocks and the sleeve plates on the back surfaces of the two mounting boxes are ensured to be inserted and matched; according to the mounting box, a worker can splice a plurality of mounting boxes without the help of tools and connecting pieces, the labor amount of the worker is reduced, and meanwhile the splicing efficiency of the mounting boxes can be improved.

The utility model belongs to the technical field of brake wheels, and particularly relates to a brake wheel of a multifunctional carrier, which comprises a support frame, a connecting column, a wheel, two arc-shaped plates, a support transmission component, two pedals, two brake plates, two quick release components and two limiting components. The connecting column is rotationally installed at the top of the supporting frame, the wheels are rotationally installed in the supporting frame, the supporting transmission assembly is arranged in the supporting frame, the two arc-shaped plates are both arranged on the supporting transmission assembly, and the two braking vanes are detachably installed on the sides, close to each other, of the two arc-shaped plates through the quick release assemblies correspondingly. Two mounting grooves are formed in the supporting frame, rotating rods are rotationally mounted in the two mounting grooves, and the two pedals are radially and fixedly mounted on the corresponding rotating rods respectively. The brake device is reasonable in design and has the advantages of being stable in braking, convenient and fast to use, high in practicability and convenient to disassemble, assemble and replace the brake plate.

The utility model relates to a large thin-wall part die-casting die core structure which comprises a die frame of a die-casting die, a die core is fixedly connected to the die frame, an insertion hole is formed in the die frame, a supporting shaft is inserted into the insertion hole, one end of the supporting shaft abuts against a bottom sealing block, and the bottom sealing block is inserted into the die frame and fixedly connected to the die frame through a plurality of screws. A step-shaped guide hole is formed in the mold core, an insert bush is inserted in the guide hole, a mandrel is embedded in the insert bush, one end of the mandrel extends out of the insert bush and the mold core to form a conical mold core, and a cylindrical internal thread connecting sleeve is formed at the other end of the mandrel; the end, away from the bottom sealing block, of the supporting shaft is inserted into the guide hole of the mold core and is in threaded connection with a threaded connection column, a stud is formed on the threaded connection column and is in threaded connection with the interior of an inner threaded connection sleeve of the mandrel, and the inner threaded connection sleeve abuts against the supporting shaft. The structure of the mold core is rectified, the mold core is designed to be of a split structure, setting of a step fillet is omitted, stress concentration is eliminated, and the occurrence of mold core breakage can be effectively reduced.

The utility model relates to the technical field of composite filter elements, and discloses a multi-stage composite filter element which comprises an outer cylinder body, an end cover I is fixedly connected to the inner wall of the outer cylinder body, an end cover II is arranged in the outer cylinder body, a first-stage filter cartridge and a second-stage filter cartridge are respectively arranged between the end cover I and the end cover II, and the first-stage filter cartridge and the second-stage filter cartridge are arranged in the outer cylinder body. A sealing cover is arranged on one side of the outer barrel, a connecting column is fixedly connected to the sealing cover, a ball is movably connected to the tail end of the connecting column, a first annular groove and a second annular groove are formed in the opposite faces of the first end cover and the second end cover correspondingly, and annular sealing gaskets are fixedly connected to the interiors of the first annular groove and the second annular groove correspondingly; according to the utility model, the problem that the maintenance cost is increased due to the fact that a single filter cartridge is difficult to replace is effectively avoided.

The oil tank cover outer plate stamping die with the metal filing cleaning structure comprises a lower die base, a guide rod and an upper die base, a lower die is detachably installed at the upper end of the lower die base, an upper die is detachably installed at the lower end of the upper die base, driving frames are fixedly connected to the left side and the right side of the lower die base, and driving grooves are formed in the inner sides of the upper ends of the driving frames; a threaded rod and a movable moving block are arranged in the driving groove, a mounting plate is fixedly connected to the side surface of the moving block, a brushing cleaning mechanism and a blowing cleaning mechanism are fixedly connected to the side surface of the mounting plate, the upper portion and the lower portion of the middle in the blowing cleaning mechanism are open, a blowing fan is arranged in the blowing cleaning mechanism, and a lubricating mechanism is fixedly erected on the upper surface of one side of the lower die base. According to the oil tank cover outer plate stamping die with the metal filing cleaning structure, metal filing can be cleaned through mutual cooperation of the brushing cleaning mechanism and the blowing cleaning mechanism, and the metal filing can be avoided through the lubricating mechanism, so that scratches, caused by residual metal filing, on an oil tank cover outer plate are prevented.

The utility model relates to the technical field of vacuum equipment or semiconductor equipment, in particular to a quick coil adjusting device, which comprises a support frame, a pushing cylinder fixedly arranged on the support frame, a turntable gear arranged on the outer side of a driving push rod of the pushing cylinder, and a cylinder pushing fixing plate fixedly connected with the driving end of the pushing cylinder, the side, away from the pushing air cylinder, of the air cylinder pushing fixing plate is fixedly connected with a plurality of evenly-distributed connecting rod reinforcing and guiding outer sleeves, and rotating connecting rods are connected into the connecting rod reinforcing and guiding outer sleeves in a sliding mode. The rotating handle is extruded and rotated to enable the buckle pin to buckle the side wall of the electromagnetic coil, the pushing air cylinder pushes the air cylinder pushing fixing plate to the electromagnetic coil on the outer side, the multiple electromagnetic coils are taken out to be kept in the clamping state, the phenomenon that a paint coating film on a copper wire is loosened and damaged is prevented, the connecting rod is adjusted to reinforce the guiding outer sleeve to go deep into the coil taking-out position, and the number of the taken-out coils can be rapidly increased. And the electromagnetic intensity of the motor is adjusted.

The utility model discloses a double-sided light source LED lamp strip, and relates to the technical field of lamp strips. The lamp strip comprises a lamp strip body, baffles are arranged on the two sides of the lamp strip body, a plurality of sets of symmetrically-arranged lighting mechanisms are arranged in the lamp strip body, fixing mechanisms are arranged on the surfaces of the lighting mechanisms, the two sets of lighting mechanisms are connected through the fixing mechanisms, and connecting mechanisms are arranged at the two ends of the lamp strip body. The two sides are illuminated at the same time through the symmetrical illumination mechanisms, the situation that two sets of single-face light source lamp strips need to be installed when used, and inconvenience is caused is avoided, the illumination mechanisms are fixed through the fixing plates and the connecting insertion plates, the illumination mechanisms are rapidly disassembled, assembled and replaced when the independently damaged illumination mechanisms are repaired, use is convenient, and the cost is reduced. The lamp panel is attracted and fixed through the magnet, the lamp panel and the fixing plate are fixed more stably, the first connecting base and the second connecting base are connected by penetrating the rotating shaft through the through hole, and therefore the multiple sets of lamp strips can be connected conveniently, and the length size of the lamp strips is increased.

The utility model belongs to the technical field of stirring, disclose a kind of multifunctional handheld stirring device, including mounting plate, the middle part of mounting plate is connected with vertical downward telescopic stirring rod by bearing, the bottom end of telescopic stirring rod is connected with replaceable modular stirring head by quick dismounting and replacement assembly, fluid splash shield is equipped on telescopic stirring rod;The top of telescopic stirring rod is equipped with passive gear, and the top of mounting plate is equipped with the fixed branch plate of U shape.The utility model can adjust length by the setting of telescopic stirring rod, can adapt to the material stirring use of different depth;The bottom end of telescopic stirring rod is connected with replaceable modular stirring head by quick dismounting and replacement assembly, can carry out quick dismounting and replacement to modular stirring head, satisfy diversified demand;The setting of fluid splash shield can prevent fluid splashing, avoid causing material waste, and brushless motor can provide stable driving force by gear transmission.

The utility model discloses a locking structure for forming an electric toothbrush plastic mould, which comprises a mould body, two fixing plates and two clamping plates are arranged on the side edge of the mould body, the two fixing plates are parallel, the two clamping plates are symmetrically distributed up and down, the two clamping plates are distributed on the upper side and the lower side of the mould body, and the two clamping plates are symmetrically distributed up and down. The two connecting rods are movably connected with the fixed plate; a first telescopic cylinder is arranged on the fixing plate, and the telescopic end of the first telescopic cylinder is connected with the clamping plate; according to the utility model, the clamping plate and the fixing plate are movably and stably connected, in addition, under the action of the telescopic cylinder, the clamping plate can be controlled to move relatively, and the mold body is clamped to be stably mounted relative to the fixing plate, so that support is provided for injection molding processing, the current situation that the mold body is fixed by a bolt is changed, the complexity of mounting the mold body is reduced, and the production efficiency is improved. And meanwhile, quick disassembly and replacement as required are facilitated.

The screening device comprises a discharging bin, a connecting hinge is installed on the edge of one side of the inner wall of a discharging opening, a sealing cover plate is installed on the other side of the connecting hinge, a rotating motor is installed in the center of the inner wall of a feeding bin in an inserted mode, a sweeping block is installed at the output end of the rotating motor, and a discharging opening is formed in the discharging opening. And balls are embedded in the upper ends of the two sides of the sweeping block, one sides of the balls are embedded in the inner wall of the feeding bin, and a feeding groove is formed in the upper end of the inner wall of the feeding bin. According to the screening device for production of the livestock and poultry compound premixed feed, the upper bin can be driven to be turned over, opened and closed through the turning block, the servo motor and the turning groove, the inner wall of the lower bin and the inner wall of the upper bin can be cleaned conveniently, and a screening net can be rapidly disassembled, assembled and replaced conveniently through a threaded mounting block and a threaded mounting groove; and waste materials can be collected for a long time through the separation box, frequent cleaning is avoided, the materials can be rapidly collected through the sealing cover plate and the connecting hinge, and using is more convenient.

This utility model relates to the field of grinding wheel switching technology and discloses a multifunctional grinding machine device for rapid grinding wheel switching. It includes a worktable with a support mounted on it. A ring is mounted on the upper end of the support, a turntable is positioned on the front side of the ring, and a retaining ring is mounted on the rear side of the turntable. Through design, the ring on the support and the retaining ring on the rear side of the turntable are rotated and engaged. When changing grinding wheels of different specifications, the first bolt on the L-shaped support arm is loosened, the turntable is rotated to move the required grinding wheel to the working position, and the turntable is then re-fixed, thus quickly completing the grinding wheel adjustment. During grinding, the motor drives the drive gear to rotate, meshing with the driven gear in the working position, thereby driving the corresponding grinding wheel to rotate. This design allows for the flexible selection of grinding wheels of different specifications as needed, realizing the multifunctional grinding capability of the equipment. Furthermore, the grinding wheels are connected via a sleeve, a rotating shaft, and a second bolt, allowing for quick disassembly and replacement when a single grinding wheel wears out.

The utility model discloses a heat preservation air pipe which comprises a pipe body, a heat preservation mechanism is arranged on the pipe body, the heat preservation mechanism comprises an inserting plate and a fixing base, and a first heat preservation shell is inserted into the inserting plate. The heat preservation shell containing the heat preservation cotton is arranged on the outer wall of the pipe body, the heat preservation effect of the air pipe can be improved, due to the fact that the heat preservation cotton is arranged in the first heat preservation shell, the aging time of heat preservation materials can be shortened, and when the first heat preservation shell needs to be detached, a worker pushes the grip to enable the clamping rod to be separated from the groove in the clamping base, and the heat preservation effect is improved. Then the clamping rod is turned over with the connecting base as the axis, the clamping rod is made to be away from the clamping base, at the moment, the first heat preservation shell is not limited by the clamping rod and can be taken down from the pipe body, the first heat preservation shell can be rapidly detached and replaced, the air pipe can be protected through the first heat preservation shell, and the problem that the pipe body is sunken due to collision can be solved; and the service life of the air pipe is further prolonged.

This utility model discloses a multifunctional fence panel, relating to the field of fencing. The utility model includes a mounting frame, a positioning frame, and a locking assembly. The mounting frame is provided with a connector and is connected to the fence frame via the connector. One side of the mounting frame has a mounting groove, into which the positioning frame is fitted. A functional panel is also provided in the mounting groove, clamped between the mounting frame and the positioning frame. The mounting frame and the positioning frame are detachably locked together via the locking assembly. After the fence panel is installed on the fence via the connector, it not only provides the basic barrier and protection function of the fence panel but also includes a functional panel. This functional panel can be a skateboard, a reading board, a literacy board, or other commonly used children's toys and educational tools, thereby enhancing the functionality of the fence panel and the children's fence, making it convenient for children to play and have fun within the fenced area.

The utility model discloses a motor rotor shaft turning clamp that can be self-adaptive and tightly hold and flexibly position, relates to the field of machining, and is composed of Morse taper, external thread connecting shaft, spring collet, threaded sleeve and adjusting sleeve and other components for connecting with the main shaft of machine tool. The sliding cavity of the front end of the external thread connecting shaft is provided with a sliding sleeve and a telescopic spring, and the sliding sleeve is fixedly connected with the spring collet. The sleeve sleeve of the front end of the threaded sleeve is sleeved outside the spring collet, and the inner wall of the front end is provided with a conical surface that is matched with the conical head of the spring collet. The adjusting sleeve is connected with the threaded sleeve through threads, and can drive the limiting sleeve to push the spring collet to move. During use, rotating the adjusting sleeve makes the spring collet move backward, and the spring collet is tightened under the action of the conical surface, the rotor shaft is self-adaptively and tightly held, and the telescopic spring realizes flexible positioning and compensates for the axial and angular deviation. The clamp can automatically adapt to the rotor shaft with a diameter tolerance within a certain range, has high self-centering precision, is suitable for high-precision turning machining of conventional rotor shafts, and has simple structure and convenient maintenance.