138results about How to "Simple installation and disassembly" patented technology

The utility model discloses a stone mountain shrub grass cluster community investigation quadrat device, which comprises a support column, a quadrat frame, a connecting mechanism and a base, the length of the support column is adjustable, and the connecting mechanism comprises four angle-adjustable three-way pipe sleeves. The included angle between the two-way pipe sleeves in the three-way pipe sleeve is 90 degrees, the two-way pipe sleeves are connected with telescopic quadrat strips to form a square quadrat frame, the included angle between the third-way pipe sleeve in the three-way pipe sleeve and the other two-way pipe sleeves is adjustable, and the third-way pipe sleeve in the three-way pipe sleeve is connected with a supporting column; the base is a square block, a plurality of ground nails are arranged on the square block, and the bottom end of the supporting column can be inserted into the square block. The adjustability of the whole device is increased through the connecting mechanism, the horizontal state of the quadrat frame can be adjusted according to the actual situation of a site, and scientists can conduct field investigation more conveniently; in addition, the size of the quadrat frame can be rapidly and conveniently adjusted, rapid installation and adjustment of the device in practical application are facilitated, and precision and flexibility are high; therefore, the reading is more accurate, and the experiment precision is improved.

The utility model relates to the technical field of composite slurry pumps, in particular to a composite ceramic slurry pump head which comprises a front pump shell and a rear pump shell, the interior of the front pump shell is communicated with the interior of the rear pump shell to form an installation cavity, and a ceramic impeller unit is installed in the installation cavity. The two sides of the ceramic impeller unit are matched with positioning grooves in the corresponding positions of the front pump shell and the rear pump shell through positioning bosses in the corresponding positions of the ceramic impeller unit respectively, and a front protection piece and a rear protection piece are installed on the left side and the right side of the ceramic impeller unit respectively. The internal structure of the pump head is a full-ceramic structure, and the pump head is made of a ceramic material with high hardness, high density and high temperature stability, so that the pump head has excellent physical properties such as wear resistance, corrosion resistance, high temperature resistance and impact resistance, is high in durability and long in service life, and can effectively reduce the operation cost of equipment for a long time.

The invention provides a microgravity test system for simulating an on-orbit assembly environment on the ground. A spring force measuring assembly, a pulley hanging assembly, a linear motion module and transverse and longitudinal guide rails are fixedly mounted on an unloading truss. One end of an assembled object is fixed on the simulation wall, and a lifting bolt and a turn buckle are arranged above the other end of the assembled object and are connected with the spring force measurement assembly through a lifting rope for compensating derived force generated by the assembled object in the assembling process; the lower ends of the pulley hanging assemblies are fixedly connected with an assembled object 1 through lifting ropes, turn buckles and lifting bolts, the upper end of each pulley hanging assembly is connected with a longitudinal guide rail on an unloading truss, and every two pulley hanging assemblies are arranged in parallel. The linear motion module is installed on the unloading truss through a connecting plate, a fixed pulley is installed at the lower end of the linear motion module, the linear motion module is fixedly connected with the assembled object 2 through a lifting rope, a turn buckle and a lifting bolt, when the clamping tool drives the assembled object 2 to move, a gear motor on the linear motion module rotates to drive the fixed pulley to actively follow, and the unloading efficiency is further improved. The microgravity test system for simulating the on-orbit assembly environment on the ground is suitable for simulating an on-orbit assembly test on the ground, is particularly suitable for an assembly task with a plurality of assembly objects, is easy and convenient to install, high in stability and good in universality, can be used for simulating the on-orbit assembly environment on the ground, and is suitable for popularization and application. And the influence of the ground gravity on the test is eliminated to the greatest extent.

The invention relates to a catalyst module for collecting reflow soldering flux. The catalyst module comprises a metal shell (1); the silk screen collector (2) is used for filtering and collecting large particles in the mixed gas; the particle capturing catalyst (3) is used for catalytically decomposing flux residues in the mixed gas; the metal shell (1) is in a hollow cylindrical shape, the silk screen collector (2) and the particle capturing catalyst (3) are detachably installed in the metal shell (1), a metal plate (4) with meshes is detachably installed at an inlet and an outlet of the metal shell (1), the silk screen collector (2) is arranged on the inlet side of the metal shell (1), and the particle capturing catalyst (3) is arranged on the outlet side of the metal shell (1) and is of a pore channel structure. Compared with the prior art, the device is simple in structure, easy to mount and dismount, convenient to maintain and capable of efficiently collecting and removing scaling powder.

The utility model relates to high altitude line technical field, and disclose a line lightning protection equal interval overvoltage protector, including fixed assembly, moving assembly, moving assembly sets up in fixed assembly upper end, and fixed assembly includes ware body, sliding part, sawtooth, sliding part sets up in ware body upper end, and sawtooth fixed mounting is in sliding part, and moving assembly includes sleeve joint, along lead, pusher, support, sleeve joint sets up in ware body bottom, and pusher sets up in ware body one end port place, and support sets up in sliding part one end port place, and pusher and support are in the same side relative to ware body, and the sawtooth of the sliding block of this overvoltage protector and the sawtooth of the sliding groove mutually cooperate, make ware body and bottom shell be connected together, and the phenomenon that it and high altitude line frame mutual drop off will not appear, and the mode that the screw rod rotates extruding ware body bottom of this overvoltage protector, and the overvoltage protector of easy replacement ageing, will not delay the normal use of high altitude line.

The invention discloses a production process and system of high-concentration 2,4-dichlorophenoxyacetic acid sodium salt. The main reactions involved in this process are chloroacetic acid salt-forming reaction, 2,4-dichlorophenol salt-forming reaction, and condensation reaction. After the reaction, solid-liquid separation is carried out by a filter press, and the high-salt mother liquor therein is acidified by acidification, and the two phases are separated after standing after acidification. The organic matter is recovered and applied back to the condensation reactor, and the wastewater part (containing the high-salt mother liquor) enters a triple-effect evaporation system, and biochemical sewage treatment is carried out; the (2,4-dichlorophenoxyacetic acid sodium salt) crystallization filter cake of the filter press is dried and dusted by hot air and packaged into finished products. The present invention overcomes the shortcomings of the prior art, has a reasonable design, can effectively increase the concentration of 2,4-dichlorophenoxyacetic acid sodium salt, has a good weed control effect, and has a certain prevention and control effect, and has a high social use value and application prospect.

The utility model relates to the field of filter element filtration, and provides a large-diameter metal powder sintering filter element device which comprises a shell and a plurality of fixing plates, the multiple supporting rods are movably embedded in the inner walls of the multiple fixing plates correspondingly, and the outer surfaces of the multiple supporting rods are movably sleeved with multiple first springs. During use, impurities in gas are filtered through gaps of the multiple circular filter elements, the multiple fixing plates can be pushed to move downwards when the gas moves downwards, and therefore the filtering effect is improved; a plurality of second springs and a plurality of first springs are further extruded, so that a plurality of circular filter elements move up and down, and accumulated matters on the surfaces and in pores of the plurality of circular filter elements are vibrated to be dispersed, so that when the filter elements are used, the accumulated matters on the surfaces of the filter elements are vibrated to be dispersed, blockage is avoided, and relatively high filtering efficiency is kept.

The invention relates to the technical field of house building engineering construction, in particular to a rotary excavating pile steel bar positioning method which comprises a device body, the device body comprises a plurality of jacking units, and the jacking units are evenly arranged on the outer side of a steel bar cage in the circumferential direction and used for determining the distance between the steel bar cage and the inner wall of a rotary excavating pile. The steel reinforcement cage supporting device is simple in structure and convenient to mount, each supporting unit is a single component, mounting and dismounting are easy, and the steel reinforcement cage can be directly hung and connected in the welding process; and the jacking units effectively support the reinforcement cage, so that the work of manually dragging and positioning the reinforcement cage at the edge of a pile hole by using a rope is avoided, and potential safety hazards are completely eradicated.

The invention relates to the technical field of biopsy rotary cutting, and provides a pipeline quick release device applied to biopsy rotary cutting, which comprises a bottom plate, a pipeline consumable structure and a pipeline control structure, the pipeline consumable structure serves as a disposable pipeline consumable and is detachably and fixedly arranged on the upper side of the bottom plate and used for integrating pipelines needed in biopsy rotary cutting, and the pipeline control structure is arranged on the lower side of the bottom plate and used for controlling closing or opening of the pipelines in the pipeline consumable structure. According to the pipeline quick-release device, on one hand, disposable pipeline consumables are easy to mount and dismount and can be buckled in place only through one-time operation, the pipeline consumables do not need to be clamped into pinch valves respectively, and it is guaranteed that mounting is correct every time; and on the other hand, the pipeline quick release device is small in size and convenient to mount and maintain, is mounted in the equipment without an exposed pipeline control function corresponding valve body, is convenient to maintain and reduces abrasion. Meanwhile, the biopsy rotary cutting system provided with the pipeline quick release device is provided with the integrated waste liquid barrel, and an independent waste liquid barrel does not need to be prepared for preoperative installation.

The utility model discloses a chip inductor, which comprises a shielding case, an inductance component, a piece of storage cloth, fire extinguishing dry powder, a top cover and a bottom cover, and is characterized in that the shielding case comprises a case body and a stop block arranged on the inner side of the case body; the inductance assembly comprises a magnetic core arranged in the cover body, a coil wound outside the magnetic core and a conductive metal sheet arranged on the coil, the storage cloth is bonded to the top end of the stop block, the fire extinguishing dry powder is placed on the top of the storage cloth, the top cover is connected to the top of the shielding cover through screws, and the shielding cover is arranged in the shielding cover. The bottom cover is in screw connection with the bottom of the shielding case. The article placing cloth is easy to burn when encountering fire, fire extinguishing dry powder at the top end of the article placing cloth can completely fall off after burning, the inductance assembly can be covered so that fire can be extinguished in time, loss is greatly reduced, and due to the fact that the article placing cloth is fixed in a bonding mode and the top cover is fixed through the screws, a fire extinguishing structure can be conveniently installed.

The utility model relates to the technical field of extraction devices, in particular to an extraction device for aloe processing. In order to solve the problems that due to viscosity and consistency of aloe juice, the filtering speed is low, even the aloe juice cannot be filtered autonomously, and the extraction efficiency is influenced, the following technical scheme is provided: the device comprises a mounting plate and a concentration cylinder arranged on one side of the mounting plate, and further comprises a filtering mechanism which is mounted below the concentration cylinder and is used for filtering the aloe juice; the pressure assembly is used for increasing the filtering rate of the filtering mechanism on the aloe juice and is mounted on one side, close to the concentration cylinder, of the mounting plate. Filtering of aloe juice is accelerated in a pressure mode, meanwhile, the filter screen is cleaned in time, the filtering performance is guaranteed, the extraction efficiency is high, and meanwhile maintenance and operation are easy.

The invention relates to the technical field of eye examination, in particular to an eye examination auxiliary device which comprises supporting legs, a supporting frame is fixedly mounted at the top ends of the supporting legs, a supporting table is fixedly mounted at the top end of the supporting frame, an optometry unit body is arranged at the top end of the supporting table, and handrails are symmetrically and fixedly mounted on the side wall of the supporting table. By controlling the rotating direction of the motor, the height of the bottom support can be automatically adjusted, a to-be-inspected person can align two eyes to the optometry window conveniently, the adjusting mode is simple, compared with manual adjustment, the operation time can be saved, the adjusting efficiency can be improved, meanwhile, the worm gear and the worm can be lubricated, abrasion between the worm gear and the worm can be reduced, and the working efficiency is improved. The installation and disassembly mode of the optical lens fixed through cooperation of the spring and the clamping piece is simple, the optical lens on the installation frame can be conveniently taken down to be cleaned, use of the optical lens can be guaranteed, and the situation that the optical lens is dirty and influences the optometry effect is avoided.

The utility model relates to the technical field of electronic display screens, and discloses a track type conductive assembly for mounting an electronic screen display, which comprises an electronic display screen and a track, and a connecting mechanism is arranged at the top of the electronic display screen. The connecting mechanism is used for connecting the electronic display screen and the track and enabling the electronic display screen and the track to form sliding guide fit, and the connecting mechanism is further used for transmitting current from the track to the electronic display screen. According to the design, the electronic display screen can be simply and quickly mounted and dismounted by a worker, the working efficiency is greatly improved, in addition, a power supply strip is further arranged on the track, in the process that the electronic display screen slides along the track, a conductive metal elastic piece is tightly attached to the power supply strip, and the service life of the electronic display screen is prolonged. And the current of the power supply strip is transmitted to the electronic display screen through the conductive metal elastic sheet, the conductive screw and the metal contact in the threaded groove, so that the reliability and stability of power supply are ensured.

The invention discloses a cylinder device for detecting anterior limb asymmetry of murine animals and a detection method. The cylinder device is composed of a double-layer transparent cylinder, a top wide-angle infrared camera, a detachable transparent touch-sensitive lining, a base rapid lock catch and a data processing unit. The lining coaxially overlaps the capacitor partition array and the ultrathin force-sensitive film, and outputs a touch position and a load-bearing signal in real time; the top camera synchronously collects videos, and forelimb sides and light / load-bearing touch are judged through timestamp fusion. The inertial measurement unit is arranged in the system to eliminate false signals, consumable sterilization replacement is supported, and after the set touch times or the statistical time is reached, automatic ending is achieved, and a report is generated. Compared with previous experimental equipment, the experimental device can intelligently obtain behavioral data of rats, judge forelimb side and light / load-bearing touch and eliminate false signals, and the behavioral data detection accuracy is high.

The utility model discloses an aluminum formwork and cantilever scaffold combined construction structure which comprises a cantilever beam, an aluminum formwork, a fixing piece, a mounting piece, a scaffold, a pull-up structure and a protective net. The inner end of the cantilever beam is fixedly connected with the floor, and the outer end extends out of the shear wall; the aluminum formwork comprises a side formwork and a hole opening formwork. The side formworks are arranged on the inner side and the outer side of the wall body and comprise main formworks and small formworks, and the small formworks correspond to the cantilever beams and are detachably connected with the main formworks; the hole opening template is arranged at the position of the reserved hole; the fixing piece is fixedly arranged on a floor slab and is connected with the cantilever beam; the mounting piece is arranged at the outer end of the cantilever beam; the scaffold is arranged on the cantilever beam; the pull-up structure comprises a limiting rod, a clamping rod and a pull rope. The aluminum template is divided into the main template and the small template, and the corresponding small template is removed when the cantilever beam corresponds to the floor construction, so that the conflict between the side template and the cantilever beam is avoided. During non-corresponding floor construction, the small formwork is connected with the main formwork for normal pouring construction, and construction is easy, convenient and rapid.

This utility model relates to the field of gearbox top cover technology and discloses a novel gearbox top cover, including a connecting straight pipe. The upper end of the connecting straight pipe is connected to the gearbox cover body by bolts. A nut is threaded onto the axial side wall of the bolts. A filter assembly for filtering grease is provided on the connecting straight pipe. A fixing assembly for clamping and fixing felt is provided on the connecting straight pipe. A discharge assembly for venting steam is provided on the gearbox cover body. Grease is filtered by a filter plate. Because the filter plate is inclined downwards, when there is too much grease on the filter plate, it will flow down due to gravity. When the grease leaves the filter plate, the weight of the filter plate decreases. At this time, the torsion spring will cause the filter plate to vibrate, thereby shaking the grease off the filter plate and preventing the filter plate from being filled with grease, which would affect the filtration effect.

The invention provides a fabricated wallboard mounting piece and a mounting method. The fabricated wallboard mounting piece comprises a line profile, the top of the line profile is provided with an arc edge and an upper supporting edge, the line profile is provided with a mounting groove, the mounting groove is used for fixing light-transmitting gauze, and the arc edge and the upper supporting edge are used for providing arc-shaped modeling support for the light-transmitting gauze; the back plate inserting grooves are formed in the two sides of the line profile, one end of the back plate is inserted into the back plate inserting grooves, and the back plate inserting grooves are matched with the bottom edge of the line profile to achieve installation of the line profile; the fastener penetrates through the bottom edge of the line profile and is fixedly connected with the back plate, and the light-transmitting gauze is in point-shaped connection with the arc edge and the upper supporting edge of the line profile in a glue brushing mode, so that modeling supporting is formed. The assembly type wallboard is easy to mount and dismount and firm in mounting, the service life of the wallboard is prolonged, the stability of the wallboard is improved, and the decoration effect of the assembly type wallboard is improved.

The utility model belongs to the technical field of atomizing cores, and discloses a small-area atomizing core with a good atomizing effect, which comprises an atomizing core main body, a shell is arranged outside the atomizing core main body, an air inlet pipeline and a feeding pipeline are connected onto the atomizing core main body, a connecting pipeline is mounted at the output end of the atomizing core main body, and the connecting pipeline is connected with the atomizing core main body. A connecting pipeline is arranged in the shell, an atomizing nozzle is installed at the discharging end of the connecting pipeline, an anti-impact plate is arranged on the outer side of the shell, a movable assembly is arranged between the anti-impact plate and the shell, a plurality of springs and soft cushions are installed between the anti-impact plate and the shell, and the movable assembly comprises a fixed plate and a movable plate. The impact resisting plate firstly resists impact force, then the spring stretches out and draws back, the soft cushion deforms, the movable plate moves in the movable groove, then part of kinetic energy is converted into elastic potential energy, the impact force borne by the shell is reduced, the atomization core body in the shell is protected, and the service life of equipment is prolonged.

The present invention belongs to the technical field of electrophysiological signal detection, and specifically is an integrated flexible EEG cap that is convenient and comfortable to wear. The EEG cap of the present invention has a three-layer structure, with the outer layer being a fixed layer, the middle layer being a conductive layer, and the inner layer being an insulating shielding layer; the inner side of the fixed layer has a raised fulcrum with a hole, and the position corresponds to the position of the flexible EEG electrode; the outer side has a detachable hardware box for placing the corresponding hardware module; and a chin strap that plays a tightening and fixing role; the conductive layer is printed with flexible EEG electrodes with holes, wires, and corresponding lead-out interfaces; the insulating shielding layer has holes at the positions corresponding to the flexible EEG electrodes, and the other parts are insulated and have a shielding function. The EEG cap of the present invention directly integrates the EEG electrodes and the corresponding wiring together, has good contact, convenient wearing method, and comfortable wearing experience, and greatly simplifies the preliminary work of EEG monitoring.

The utility model discloses a track type industrial switch, include: switch, pressure lock subassembly, pressure lock subassembly symmetry sets up in one side of switch, pressure lock subassembly includes movable arm, the end of movable arm is fixedly provided with pressboard, pressboard is fixedly connected with switch through elastic component, movable arm is connected with connecting plate through adaptation component, through the pressboard of two simultaneously pressing, make movable arm connect with the end of adaptation component and be away from switch, to connecting plate can pull the movement of joint drive gear plate to one side, and then drive the rotation of second gear, make first gear, third gear and screw all rotate simultaneously, and the screw can drive the clamping plate to go up, and the clamping plate below does the descending movement, and the two clamping plates can be far from each other conveniently and install switch on one side of track body, and the installation dismounts simple, will not cause the damage of the shell of switch.

The invention discloses a large-dip-angle fully-mechanized mining support inter-support pedestrian handrail device which comprises two phi steel pipes with the length of 1.5 m and two phi steel pipes with the length of 8 cm, the steel pipes are welded to a support stand column, small steel bars with the length of 8 cm and the diameter of 18 mm are welded to the two ends of the 1.5 m steel pipes to be recycled and adjust the distance, a groove with the length of 15 cm and the width of 18 mm is cut in a handrail at one end, a capped steel bar is placed in the groove, and the capped steel bar is placed in the groove. During manual installation, the handrail is formed by being inserted into a steel pipe with the length of 8cm.

The utility model discloses a special measuring device for furniture design and manufacture, which belongs to the technical field of measuring devices and comprises two groups of cross rods, longitudinal rods are symmetrically and fixedly connected to the top walls of the two groups of cross rods, scales are arranged on the top walls of one group of longitudinal rods and the cross rods, and the scales are arranged on the top walls of the other group of longitudinal rods and the cross rods. The outer walls of the two groups of transverse rods are fixedly connected with supporting base plates, and the X-axis sliding rod is connected to the inner wall of the longitudinal rod in a sliding mode; the Y-axis sliding rod is slidably connected to the inner wall of the transverse rod; according to the wood cutting device, the sliding plate can be slidably disassembled and assembled through the arranged detachable supporting assembly, the sliding plate is limited through a second powerful spring and a limiting sliding rod, assembling and disassembling are easy, wood can be aligned and supported through the supporting frame, and pressure is shared by the supporting ball and the supporting base plate; therefore, a movable supporting point is provided for the X-axis sliding rod and the Y-axis sliding rod, measurement operation is facilitated, and the problem that no movable supporting point exists for aligning and placing wood in the prior art is solved.

The utility model discloses a skirting line capable of being rapidly installed. The skirting line comprises an installation assembly and a buckling assembly. The installation assembly and the buckling assembly are connected in a matched and clamped mode. The mounting assembly is fixedly mounted on a wall body; the buckling assembly comprises a buckling plate, a first buckling part and a second buckling part, wherein the first buckling part and the second buckling part are assembled at the two ends of the buckling plate. The mounting assembly comprises a mounting plate, a supporting part and a mounting fixing part; the supporting part and the mounting fixing part are respectively fixed at the upper end and the lower end of the mounting plate; the upper surface of the mounting fixing part is vertically connected with a limiting part for clamping the first buckling part; a clamping part is arranged on the side, away from the wall body, of the mounting plate, and the supporting part and the clamping part form a clamping groove used for clamping the second buckling part; the device can be quickly, simply and conveniently mounted and dismounted, time and labor cost can be saved, the mounting plate and the fastening plate are simple in structure, and manufacturing cost and complexity are reduced.

The utility model provides a multi-section adjustable calibration device. The multi-section adjustable calibration device comprises a reference plate, a clamping part and a connecting part, a plurality of reflective identification points are arranged on the reference plate; the clamping part comprises a first clamping plate, a connecting plate and a second clamping plate, the first clamping plate and the second clamping plate are oppositely arranged, a clamping space is formed between the first clamping plate and the second clamping plate, and a plurality of CT reference spheres are arranged in the connecting plate; the connecting part comprises a first joint assembly, a second joint assembly and a third joint assembly, the first joint assembly is connected with the reference plate, and the third joint assembly is connected with the clamping part. The reference plate and the clamping part are connected through the first joint assembly, the second joint assembly and the third joint assembly, angle adjustment is carried out in the using process through the matched connection relation between the joint assemblies, adaptive angle adjustment can be conveniently carried out according to application scenes, and the beneficial effects of being easy to mount and dismount and the like are achieved.

The present invention discloses a storage device based on a chemical microchannel reactor, and relates to the technical field of chemical experimental equipment. The present invention comprises a chemical microreactor body, wherein the bottom of the chemical microreactor body is penetrated and fixedly connected with a discharge pipe, the top of the chemical microreactor body is penetrated and fixedly connected with an opening, the top of the opening is fixedly installed with a top cover by bolts, and the bottom of the top cover is fixedly connected with an insertion part. The present invention sets a sealing mechanism so that when the top cover is fixedly installed to the top of the opening by bolts, the insertion part at the bottom of the top cover will press down the pressure plate, and at this time, the cooperation of the gas chamber, piston rod, air pipe and other components will cause the sealing airbag to expand, and the expanded state of the sealing airbag is closely attached to the surface of the insertion part so that the gas cannot pass through, thereby improving the sealing performance, and after the top cover is removed, the sealing airbag will shrink and restore, and will not be easily affected when the insertion part is inserted later.

The utility model discloses a source bottle heating device and atomic layer deposition equipment, source bottle heating device includes support plate, flexible heating cover, fixed assembly and support leg, support plate is used for filling in the boss inside source bottle, and the top of support plate is bonded with source bottle, and the bottom surface of support plate is flush with the boss bottom surface of source bottle, and fixed assembly is used for fixedly connecting support plate and source bottle, and support plate is detachably connected with source bottle through fixed assembly, and the bottom surface of fixed assembly is not lower than the bottom surface of support plate and the bottom surface of the boss of source bottle, and the side portion of fixed assembly does not protrude to the side surface of the boss of source bottle, and flexible heating cover is sleeved in the outside of support plate, source bottle and fixed assembly fixed together, and the bottom of flexible heating cover is provided with the through hole for the support leg to pass, and the support leg is supported below support plate, and the support leg is detachably connected with support plate, and the support leg is arranged in the through hole of flexible heating cover, and the bottom surface of flexible heating cover is higher than the bottom surface of support leg. Source bottle bottom heat uniformity is good, and prolongs the life of flexible heating cover.

The invention discloses a vital capacity exercising device for children, and relates to the technical field of children toys, the vital capacity exercising device comprises a toy shell, the top of the toy shell penetrates through and is fixedly connected with an ascending pipe, the top of the ascending pipe is fixedly connected with a toy body, and the top of the toy body is provided with an air hole; a limiting ring is fixedly connected into the ascending pipe, an ascending ball is arranged in the ascending pipe, an air blowing pipe is fixedly connected into the toy shell, and the front end of the air blowing pipe penetrates through the side face of the ascending pipe and is fixedly connected with the side face of the ascending pipe. When the vital capacity of a child needs to be exercised, air can be blown into the air blowing pipe through the air blowing nozzle, at the moment, generated air pressure can enter the ascending pipe from the air blowing pipe to drive the ascending ball to ascend, and the child can observe ascending of the ascending ball through the transparent ascending pipe; and the toy shell and the toy body are matched to better arouse the interest of children.

The polycrystalline cubic boron nitride cutter comprises an alloy base body, four cutter body mounting grooves are formed in the alloy base body, superhard blades capable of being positioned are slidably connected into the cutter body mounting grooves, and a reinforcing plate is connected with the alloy base body through four locking mechanisms. The locking mechanism comprises a connecting rod fixed to the bottom of the reinforcing plate, a locking hole is formed in the connecting rod, a connecting groove is formed in the alloy base body, the connecting rod is connected into the connecting groove in a sliding mode, a side groove is formed in the side wall of the alloy base body, a locking rod is connected into the side groove in a sliding mode, and the locking rod penetrates through the alloy base body and is connected with the alloy base body in a sliding mode. The locking rod extends into the locking hole and can fix the reinforcing plate and the alloy base body together. According to the tool, rapid mounting and locking of the superhard blade are achieved through the innovative connecting mechanism, the strength is improved through firm combination of the reinforcing plate and the alloy base body, mounting and dismounting are simplified through the limiting mechanism, and stability and machining precision are improved.

The sound insulation assembly comprises a first sound insulation cover and a second sound insulation cover, the first sound insulation cover and the second sound insulation cover are each of a rectangular structure, containing spaces are formed in the first sound insulation cover and the second sound insulation cover, and the opposite sides of the first sound insulation cover and the second sound insulation cover are open ends; the opening ends of the first sound-proof cover and the second sound-proof cover are detachably connected; the first sound insulation cover and the second sound insulation cover are sequentially provided with felt layers, sound insulation layers and flame-retardant layers from inside to outside, and supporting frames are arranged in the sound insulation layers. The sound insulation assembly can play a sound insulation role on the compressor of the air conditioner, the sound insulation effect is good, the supporting frame plays a role in supporting the sound insulation material, the sound insulation material is prevented from aging, deforming, breaking and affecting the sound insulation effect, and the arrangement of the flame-retardant layer can avoid spontaneous combustion and potential safety hazards caused by too high temperature.