165results about How to "Easy to disassemble and separate" patented technology

The invention discloses a powder feeding and laying device applied to a high rate former, which consists of a powder storing case and a movable hopper, wherein, the powder storing case is an upper powder storing case positioned above the movable hopper and provided with a power outlet at the bottom; the powder storing case is fixed and stable; a movable baffle capable of automatically opening and closing the powder outlet is arranged at the bottom of the powder outlet; a movable bracket is fixed outside the movable hopper which moves to and fro from left to right along a horizontal line on a forming working platform of a high rate former by a driving mechanism; an unlocking component which is matched to be used with the movable bracket is arranged on the movable baffle; a receiving port at the upper part of the movable hopper corresponds to the powder outlet; a powder laying port is arranged at the bottom of the movable hopper, which is a rectangular port enclosed by two lateral baffles in the front and the back and two flexible doctor blades on the left and the right. The powder feeding and laying device applied to a high rate former has simple structure, handy assembly and deinstallation of all parts and easy regulation and control, the capability of modular working independently, rapid powder laying, and high reliability.

The invention discloses a powder spreading device for rapid forming equipment, comprising a moving mechanism, a scraping plate mechanism, a left-side wing and a right-side wing, wherein the moving mechanism does horizontal-linear reciprocating movement back and forth on a forming working platform; the scraping plate mechanism is fixedly arranged at the bottom part of the moving mechanism; the left-side wing and the right-side wing are movably arranged at the left side and the right side of the bottom part of the moving mechanism; the moving mechanism comprises a pushing block, a connecting rod, a left traveling mechanism and a right traveling mechanism, wherein the connecting rod is arranged at the bottom part of the pushing block; the left traveling mechanism and the right traveling mechanism are respectively and symmetrically arranged at the left end part and the right end part; the scraping plate mechanism comprises a front scraping plate and a rear scraping plate which are symmetrically arranged; and both the left-side wing and the right-side wing are splayed side wings II which are consists of two inclined side plates III and can move horizontally towards left and right alongthe scraping plate mechanism. In the powder spreading device, the structure is simple, the assembly and disassembly of all the parts are simple and convenient, the adjustment and control of all the parts are simple and easy, the independent modular working can be realized, the powder spreading is fast, the reliability is high, and the defects of difficult powder confinement, complex structure and difficult adjustment of powder-spreading areas and the like in the existing powder-spreading device can be solved.

The invention discloses an atomization core with a replaceable heater for an environment-friendly electronic cigarette. The atomization core comprises an atomization core outer barrel, a dual-electrode electrical connection post and an electronic cigarette heater, wherein the dual-electrode electrical connection post and the atomization core outer barrel are in detachable sealing connection; the heater is arranged in the atomization core outer barrel; electrodes at two ends of the heater are detachably connected with two electrodes of the dual-electrode electrical connection post; heater electrode wire connection holes are formed in the dual-electrode electrical connection post, and locking screws are arranged at the heater electrode wire connection holes; heater electrode wires are plugged into the heater electrode wire connection holes and locked by the locking screws. Due to detachable connection between the atomization core outer barrel and the dual-electrode electrical connection post, the heater of the atomization core can be replaced more easily.

The invention discloses a method for performing pre-column derivation high performance liquid chromatography chiral resolution on DL-menthol by using a chiral derivation reagent, which comprises the following steps: performing pre-column derivation reaction on chiral aromatic acid and DL-menthol to obtain a DL-menthol ester derivative having ultraviolet absorption property; through a high performance liquid chromatograph provided with an ultraviolet-visible detector, by using a common non-chiral silica gel chromatographic column and adopting a water phase and an organic phase as mobile phases for reversed-phase elution, preparing the obtained DL-menthol ester derivative into a 0.5-1.0 mg / mL sample solution, wherein the flow rate is controlled at 0.4-1.2 mL / min, the sample size is 2-10 muL, and the detection wavelength is 210-285 nm; then performing chromatographic column separation under the condition that a column oven of the chromatographic column is at 20-35 DEG C to perform separation and detection on the obtained DL-menthol ester diastereoisomer; and finally, hydrolyzing respectively to obtain D-menthol and L-menthol.

The invention discloses a wine decanting device which comprises an outer shell and an inner shell. The outer shell is provided with a liquid outlet channel, the inner shell is sleeved in the outer shell and is provided with a liquid outlet hole, an opening is arranged at one end of the inner shell, and the inner wall of the outer shell and the outer wall of the inner shell form an air inlet gap which is communicated with the liquid outlet channel and the liquid outlet hole. The wine decanting device with the structure is simple in structure and convenient to use, air sufficiently contacts with wine, and wine oxidization time is greatly shortened.

The invention provides a battery module welding method. The battery module welding method comprises the following steps that a plurality of single batteries are loaded in supports; positive and negative poles of the multiple single batteries are coated with tin materials; confluence plates are fixed to the supports, so that a battery module is constituted, and the tin materials are located between the positive and negative poles of the single batteries and the confluence plates; the battery module is placed on an alternating current welder comprising two welding pins, and the confluence plates face the welding pins; the welding pins are moved to abut against welding pieces on the confluence plates for the first predetermined time; after the first predetermined time, the welding pins start to discharge electricity for the second predetermined time, so that the welding pieces on the confluence plates are heated, the tin materials are melted, meanwhile, the temperature around the welding pins are sensed, and whether the welding pieces and the single batteries are welded or not is preliminarily judged according to the sensed temperature range; after discharging the electricity, the welding pins stop for the third predetermined time, and then are moved and are away from the welding pieces on the confluence plates; and images of welding points on the welding pieces are obtained, and whether the welding points of the welding pieces are qualified or not is judged according to the welding point images.

The invention relates to the technical field of clamping and fixing of vegetation in a garden, in particular to an anti-toppling clamping and supporting device for vegetation planting in a garden. The anti-toppling clamping and supporting device for vegetation planting in a garden comprises a clamping mechanism, a supporting mechanism, an abutting mechanism, a connecting mechanism, a locking mechanism and a stabilizing mechanism. Under the action of the clamping mechanism and the locking mechanism, trees needing to be supported and fixed can be conveniently clamped, subsequent quick disassembly and separation are facilitated, and trees of different sizes can be conveniently clamped and fixed. Under the action of the connecting mechanism, mounting and subsequent disassembly of the supporting mechanism and the clamping mechanism are facilitated, and subsequent carrying is facilitated. Under the action of the supporting mechanism, the clamping mechanism can be supported and an effect of supporting and protecting trees is achieved. Under the action of the stabilizing mechanism, the supporting mechanism and the ground can be stably and firmly supported, and a situation that trees tilt due to sliding of the supporting mechanism is prevented. Under the action of the abutting mechanism, the supporting mechanism can slide in one direction and trees can be supported and protected while grow.

The invention provides a convenient-to-maintain speech device and relates to the field of speech devices. The convenient-to-maintain speech device comprises a machine case, wherein the bottom of the machine case is fixedly connected with a support column; and one end, far away from the machine case, of the support column is fixedly connected with a fixed plate. According to the convenient-to-maintain speech device, the target of facilitating separation of a baffle plate from a clamping block through drive of a pulling handle is achieved through rotating the pulling handle; through cooperationof a connecting rod, a second reinforcing block and a first reinforcing block, the target of facilitating separation and removal of the right side of a cover plate from the machine case through pulling the connecting rod towards the right is achieved; and through cooperation of a handle, a motion lever and a bolt, the target of driving a slot to be separated from the inside of the slot to remove the left side of the cover plate from the machine case through pulling the handle is achieved, so that the problem that inconvenience is brought for maintenance work due to the fact that an existing speech device is inconvenient to remove in use is solved.

The invention discloses a prefabricated laminated slab forming formwork and relates to the technical field of house prefabricated part production. By means of the prefabricated laminated slab formingformwork, the technical problems that the contact area of a prefabricated laminated slab and a side formwork is large, and separation operation of the prefabricated laminated slab and the side formwork cannot be conducted conveniently is solved. According to the technical scheme, the prefabricated laminated slab forming formwork comprises a formwork table, the side formwork, a rebar mesh and trussrebars, wherein the side formwork is enclosed and is in a closed frame state, and the rebar mesh is put inside the side formwork; a recession groove is reserved in the side formwork, wherein the recession groove allows the tail end of the rebar mesh to penetrate through; the side formwork comprises a bottom form and a side form, wherein the bottom form and the side form are integrally formed in an L shape; the face, facing the rebar mesh, of the side form is horizontally provided with sliding grooves; the multiple sliding grooves are formed in the length direction of the side form in an equally-spaced manner; attachment blocks are arranged in the sliding grooves in a sliding manner; sliding holes are horizontally formed in the groove bottoms of the sliding grooves in a penetrating manner;a push-pull rod is fixed to the face, facing the groove bottom of the corresponding sliding groove, of each attachment block, wherein the push-pull rods penetrate the sliding holes and horizontally extend out of the side form; and a linkage rod is connected between every two adjacent push-pull rods. The prefabricated laminated slab forming formwork has the advantages that the dismounting and separation actions of the side formwork and the prefabricated laminated slab can be carried out conveniently.

The invention discloses a panoramic 360-degree multi-lens stereo camera, and relates to the field of stereo cameras. The panoramic 360-degree multi-lens stereo camera comprises a camera housing, a plurality of arc-shaped rails are arranged in the camera shell; the rails are provided with lenses, the outer sides of the lenses are provided with fixing devices; the fixing devices comprise moving blocks, the moving blocks are movably connected with the rails, the top ends of the moving blocks are fixedly connected with supporting plates, and the two sides of the upper surfaces of the supporting plates are provided with movable plates. According to the invention, the fixed plates and the movable plates are arranged on the fixed devices; the fixing plates are connected with the movable plates through clamping assemblies, the clamping assemblies enable the fixing plates and the movable plates to be separated and disassembled conveniently, the lenses are convenient to replace and maintain, the working efficiency of the panoramic 360-degree multi-lens stereo camera is improved, threaded knobs enable the fixing plates and the movable plates to be limited stably, and the installation stability of the lenses is guaranteed.

The invention relates to the technical field of relays, and discloses a combined relay with high stability, which comprises a relay body and a base, a plurality of pins are uniformly and equidistantlyarranged at the bottom of the relay body in a rectangular shape, the base is arranged below the relay body, and jacks matched with the pins are formed in the upper end of the base. The relay body issleeved with an outer cover, the bottom of the outer cover is symmetrically and fixedly connected with a fixed frame, a fixed groove is formed in the base located below the fixed frame, movable grooves are symmetrically formed in the upper end of the base, fixed holes and positioning grooves are formed in the groove walls of the fixed grooves, and movable plates are arranged on the two sides of the outer cover. The combined relay is stably installed in the outer cover and on the base, the stability of the combined relay is improved, the combined relay can be detached and separated from the outer cover and the base at the same time, and the combined relay can be conveniently taken out to be maintained or replaced.

The invention relates to the technical field of overturning type manipulators, in particular to an overturning type adjustable manipulator based on an intelligent robot and a using method of the overturning type adjustable manipulator. The overturning type adjustable manipulator comprises a manipulator body, an adsorption mechanism is detachably connected to the manipulator body, a plurality of clamping mechanisms are connected to the manipulator body, an adjusting mechanism is installed in the adsorption mechanism, a limiting mechanism is mounted in the adsorption mechanism, a connecting mechanism is mounted in the adsorption mechanism, a protection mechanism is mounted in the adsorption mechanism, and a moving mechanism is mounted in the manipulator body. The adsorption mechanism is used for conveniently and rapidly adsorbing and overturning plates, the connecting mechanism and the protection mechanism are matched for conveniently and rapidly connecting and disassembling the adsorption mechanism and the manipulator body, looseness and separation caused by air pressure change are prevented, the plates of different sizes are conveniently adsorbed and machined under the action of the adjusting mechanism and the limiting mechanism, and under the action of the moving mechanism, the manipulator body can conveniently move on the ground and can be conveniently used in different areas.

The invention discloses a computer display convenient to adjust and disassemble. The computer display comprises a base. The middle of the top of the base is fixedly connected with a positioning plate, the top of the positioning plate is fixedly connected with an adjustment seat, the top of the adjustment seat is fixedly connected with an adjustment column, an elastic ring is arranged at the connection of the adjustment seat and the adjustment column in a sleeving mode, one end of the top of the adjusting column is fixedly connected with the middle of the bottom of an outer shell, the tops and bottoms of the two sides of the outer surface of a display screen are fixedly connected with threaded seats, and the inner sides of the four threaded seats are connected with second threaded columns, and one end of each second threaded column penetrates through one side of an inner cavity of the outer shell and extends to the outer surface of the outer shell. According to the computer display conveniently being adjusted and disassembled, through matching and using of the threaded seats, the second thread columns and second nuts, when a user needs to disassemble the display screen, the user can remove the second threaded columns from the threaded seats by rotating the second nuts, and then the user can remove the display screen from a clamping seat.

The invention relates to the technical field of manipulators, in particular to a four-way rotating seat type power-assisted manipulator structure which comprises a manipulator body. Sliding mechanisms are mounted on the manipulator body, limiting mechanisms are mounted on the sliding mechanisms, connecting mechanisms are mounted on the sliding mechanisms, and lubricating mechanisms are arranged at the two sides of the sliding mechanisms; and moving mechanisms are mounted on the sliding mechanisms, and protection mechanisms are arranged on the sliding mechanisms. Through cooperation of the sliding mechanisms and the limiting mechanisms, the working range of the manipulator body is enlarged, and the manipulator body works more stably; through driving of the limiting mechanisms, the lubricating mechanisms work, the sliding mechanisms slide smoothly, and the multiple sliding mechanisms are conveniently spliced and connected under the action of the connecting mechanisms, so that the working scope of the manipulator body is further increased; and under the cooperation of the protection mechanisms and the moving mechanisms, the sliding mechanisms can be detached and separated conveniently, and the manipulator can be used in different areas.

The invention discloses a hardware part machining die with a discharging mechanism, and belongs to the technical field of hardware part machining. The hardware part machining die comprises a base, wherein a lower die mechanism is arranged at the top of the base; an upper die mechanism is fixedly connected to the top of the lower die mechanism; a supporting mechanism is arranged on one side of thebase; the supporting mechanism is located on one side of a lower die base; the lower die mechanism comprises a fixing base; the lower die base is movably connected to an inner cavity of the fixing base; first sealing rings are embedded in the two sides of the bottom of an inner cavity of the lower die base; a second sealing ring is embedded in one side of the inner cavity of the lower die base; and convex blocks are in sliding connection to inner cavities of the first sealing rings and the second sealing ring. According to the hardware part machining die, after the lower die base is clamped into the fixing base, a stamping part can be stored and placed on a containing plate, after multiple times of stamping is completed, collecting, transferring and moving are carried out, thus dischargingand placing of the stamped stamping part are remarkably improved, the discharging difficulty after stamping is reduced, work of workers is remarkably facilitated, and the overall use requirement is met.

The invention discloses a heat exchange device for granular solid materials or crystal materials which serve as heat exchange objects. In the heat exchange device, the cross sections of heat exchange main bodies are rectangular shells; heat exchange plates in which heat exchange medium flow channels are formed and a structure which is formed by granular solid material flow channels formed among all the heat exchange plates are arranged inside the rectangular shells at intervals; the heat exchange main bodies as well as the heat exchange main bodies and a material discharging cabin or a material feeding cabin in a material discharging device are fixedly connected through flanges; one surface of the rectangular shells of the heat exchange main bodies is combined with a neighboring surface through a hinge, and the surface is combined with another neighboring surface through a bolt and nut pair, so that the surface forms a movable door; one side, close to the heat exchange plates, of the movable door is provided with a strip-type pressing plate and a flexible pad which are fixed by screws; and during specific application, the heat exchange plates contacted with the flexible pad are tightly pressed against one another for constraint through the flexible pad.

The invention provides cleaning equipment which comprises a main body, a driving assembly and a cleaning assembly, the driving assembly comprises a driving device, at least one transmission part and a movable support, the driving device is installed on the main body and provided with a driving shaft extending towards the bottom of the main body, and the movable support is movably connected to the bottom of the main body. The movable support and the driving shaft are arranged at intervals, the moving direction of the movable support is generally perpendicular to the extending direction of the driving shaft, the at least one transmission part is connected between the movable support and the driving shaft, and the driving shaft of the driving device drives the movable support to reciprocate front and back through the at least one transmission part. The cleaning assembly is detachably connected to the movable support so that the cleaning assembly can reciprocate front and back along with the movable support to clean the surface to be cleaned in a reciprocating mode. The driving device can fully provide power torque in the reciprocating motion direction of the movable support, and severe solid stains or liquid stains on the ground can be effectively cleaned.

The invention relates to the field of medical instruments, in particular to an integrally detachable valve clamp and a conveying system thereof, the integrally detachable valve clamp comprises a control handle, a conveying catheter connected with the control handle and a valve clamp connected with the conveying catheter, the valve clamp is provided with an inner pipe and an outer connecting pipe, and the inner pipe and the outer connecting pipe are both provided with detachable connecting mechanisms; the conveying catheter comprises a first conveying pipe, a center control piece and a second conveying pipe, and detachable connecting mechanisms matched with the detachable connecting mechanisms are arranged at the far end of the first conveying pipe and the far end of the second conveying pipe correspondingly. The detachable connecting mechanism on the inner pipe is connected with the detachable connecting mechanism on the first conveying pipe through the middle control piece to form a first detaching part, the detachable connecting mechanism on the outer connecting pipe is connected with the detachable connecting mechanism on the second conveying pipe through the middle control piece to form a second detaching part, and when the middle control piece is moved away from the first detaching part and the second detaching part, the detachable connecting mechanism on the outer connecting pipe is detached. The first conveying pipe is separated from the inner pipe, and the second conveying pipe is separated from the outer connecting pipe.

The invention relates to a hinge with separable shells. The hinge comprises a first hinge support, a first hinge support decoration frame, the first hinge shell, a second hinge support, a second hinge support decoration frame, the second hinge shell, a connecting part and rotating shafts. The first hinge support is sleeved with the first hinge support decoration frame, and the edge of the first hinge support decoration frame covers the ends, penetrating through the first hinge support, of the rotating shafts; the second hinge support is sleeved with the second hinge support decoration frame, and the edge of the second hinge support decoration frame covers the ends, penetrating through the second hinge support, of the rotating shafts. The inner side face of the first hinge support is connected with the first hinge shell, the inner side face of the second hinge support is connected with the second hinge shell, and the hinge is used for fixing glass of a shower room. The edge of each decoration frame is integrated, the decoration frames are more attractive, and the decoration frames can play the roles of the decoration frames and also can prevent the rotating shafts from moving outwards and falling off.

The invention discloses a pressure casting mold applied to testing of a hot cracking tendency and mechanical properties of a rod casting. The pressure casting mold comprises an upper mold body and a lower mold body, wherein the upper mold body and the lower mold body are connected by a clamping connection mechanism; a base is disposed under the lower mold body; the base and the lower mold body areconnected by a support; two screw rods which are symmetrical relative to the position of the lower mold body are in rotatable connection to the upper surface of the base by a bearing, and threaded directions of the two screw rods are opposite; fixation blocks are symmetrically and fixedly connected on side walls, which turn backs to each other, of two sides of the upper mold body; ends, remote from the base, of the screw rods pass through the corresponding fixation blocks and extend upwards; the screw rods are in threaded connection with the fixation blocks; and outer side walls, close to thebase, of the two screw rods are fixedly sleeved by first bevel gears, respectively. The pressure casting mold disclosed by the invention has the beneficial effects that compacting adherence and dismounting separation between the upper mold body and the lower mold body are convenient; practicability is high; and the pressure casting mold is applicable to extensive promotion and use.

The invention provides a battery module. The battery module comprises a plurality of circular single batteries, a plurality of end snap rings, two connecting components and a heat-shrinkage film, wherein the two ends of the single batteries are separately fixed in battery mounting grooves of the end snap rings, and positive pole caps of the single batteries are placed in first through holes and are parallel and level to end surfaces of the ends, with the first through holes, of the end snap rings; the two adjacent end snap rings are engaged together in a matched manner; the two connecting components are separately integrally welded to the two ends of the single batteries to implement series connection or / and parallel connection of the single batteries; welding grooves of the connecting components are inserted in the first through holes of the end snap rings in a one-to-one correspondence and matched manner, and the positive pole caps of the single batteries penetrate through second through holes of the connecting components; insulating plates separately adhere to the outward surfaces of the two connecting components; and the heat-shrinkage film integrally sleeves the single batteries and the insulating plates at the two ends in a heat-shrinkage manner. The battery module is simple and novel in structure and high in volume energy density, and the single batteries can be independently changed conveniently.

The invention relates to the technical field of servo motors, in particular to a servo motor for a woodworking machine tool, which comprises a motor body, a transmission mechanism is mounted on the motor body, a fastening mechanism is connected to the transmission mechanism, a lubricating mechanism is mounted on the motor body, and a dust removal mechanism is mounted on the motor body. The dust removal mechanism is provided with a connecting mechanism, and the motor body is provided with a wire clamping mechanism. Through cooperation of the transmission mechanism and the fastening mechanism, an external gear can be conveniently, stably and firmly installed, the situation that the precision of equipment is affected by loosening of the gear is prevented, through driving of the transmission mechanism to the lubricating mechanism and the dust removal mechanism, lubricating oil can be conveniently conducted on the installed gear, dust can be blown away, and dust is prevented from being attached to and stuck to the gear and a rack; the dust removal mechanism and the motor body are convenient to disassemble, assemble and maintain through the connecting mechanism, a data line and a power line on the motor body can be wound and clamped through the line clamping mechanism, and disordered abrasion cannot be caused.

The invention discloses a large-caliber ultralow-temperature high-pressure metal sealing butterfly check valve which comprises a main valve body, a first groove body and a valve element. A double-thread screw is arranged on the main valve body in a penetrating manner, the outer end of the double-thread screw penetrates through a first flange plate body to be in threaded connection with a nut, the first flange plate body is connected with a connecting pipe, the inner end of the connecting pipe makes contact with the main valve body, a rotating shaft is rotationally connected to the inner side wall of the main valve body, the upper end of the rotating shaft on the upper portion penetrates through the inner top end of the main valve body and is connected with a transmission shaft through a bevel gear set, the transmission shaft is connected with a motor, and the motor is arranged on the main valve body. According to the large-caliber ultralow-temperature high-pressure metal sealing butterfly check valve, when discharging is achieved through an auxiliary valve body, valve clacks on the two sides are pushed to rotate around a positioning shaft to be opened under the action of fluid, the fluid passes through the auxiliary valve body, when the fluid stops, the valve clacks on the two sides are closed smoothly under the action of a torsional spring, and backflow is avoided; and by means of a wear-resistant seat, wear between a limiting sleeve and a fixed seat is reduced, and the service life is prolonged.

The invention discloses a building solid model for teaching. The building solid model comprises a base, a model base and a model top plate, wherein support rods are vertically and fixedly connected totwo sides of the lower end of the base, suckers are fixedly connected to the lower ends of the support rods, clamping blocks are fixedly connected to the front end and the right side of the base, ananti-dust device is arranged at the left end of the base, the model base is fixedly connected to the upper end of the base, and a plurality of horizontal rods are uniformly and horizontally arranged in the model base. After the building solid model for teaching is used, a handle is held for outwards pulling dustcloth so that the dustcloth is pulled out from the inside of the anti-dust device, meanwhile, a rotation shaft is driven to rotate, so that a torsional spring is twisted to be tight, then the dustcloth covers the upper end of the device, third through holes are used for passing throughof the upper ends of the clamping blocks, so that movable rods are clamped in arc-shaped grooves at the upper ends of the inside of the clamping blocks, then the movable rods are fixed, thus the dustcloth is fixed, the dustcloth effectively isolates dust, so that the problem that the dust attacks the body of a teacher during the next-time use is prevented, and the building solid model has the advantages that the structure is simple, the use is convenient, and the use effect is good.

The invention discloses underground sewage disposal system which comprises a tank body, wherein an anaerobic pool, an aerobic tank, a settling pond and a sterilization tank are arranged inside the tank body; first valves are mounted on both sides of the anaerobic pool, the aerobic tank, the settling pond and the sterilization tank; a soft pipeline is fixedly connected with each first valve; an iron ring is fixedly connected with the connector of each pipeline; a rubber pad is fixedly connected with each iron ring; the connecting part of two pipelines is sleeved by a first sleeve ring and a second sleeve ring; two fixing blocks fixedly connected with the lower end of the first sleeve ring; connecting shafts are fixedly connected with lower ends of the second sleeve rings; two ends of each connecting shaft are inserted into the two fixing blocks; sealing pads are arranged inside the first sleeve ring and the second sleeve ring; second connecting blocks are arranged at upper ends of the first sleeve ring and the second sleeve ring. The underground sewage disposal system is simple and convenient, efficient to mount, relatively rapid to dismount and convenient in pond repairing and cleaning.

The invention discloses a telescopic gardening branch cutting knife convenient to detach and install. The telescopic gardening branch cutting knife comprises a left blade, a handle, a storage groove and a hidden rod, one side of the left blade is connected with a blade groove reserved at one side of a right blade through a protruded cutting sheet, connecting blocks are welded to both the left blade and the right blade, the upper portion of the handle is connected with a mounting block, the handle is connected with a sleeve through a bolt and is connected with an extending handle through a rubber sleeve, a mounting hole is formed in the surface of the lower portion of the extending handle, an elastic lug and an abutting block are arranged at the upper end and the lower end of the hidden rodrespectively, and a telescopic groove reserved at one side of the rubber sleeve is connected with the rubber block through a slide groove. By means of the telescopic gardening branch cutting knife convenient to detach and install, branches of different diameters can be cut, the blades are of a detachable structure, when the blades cooperate with each other, the knife can be used as scissors, andthe separate blades can cooperate with the hidden rod to be used as a cutting knife.

The invention discloses a movable suction filter for pilot test. The movable suction filter comprises a suction filter body and a pedestal. The suction filter body comprises a filter barrel 1, a filter barrel 2 and a filter cloth pressure ring. The filter barrel 1 and the filter barrel 2 are both cylindrical barrels, the bottom plate of the filter barrel 1 is provided with a plurality of filter pores, and an external thread part is arranged at the bottom of the filter barrel 1, the side wall of the filter barrel 1 is equipped with rotating handles symmetrically, the filter cloth pressure ringis mounted at the barrel mouth of the filter barrel 1, and the filter barrel 2 is disposed below the filter barrel 1. The inner wall of the filter barrel 2 mouth is equipped with internal thread fitting the external thread. The device provided by the invention solves the problem that a filter cloth cannot be replaced because of filter cloth blocking in the suction filtration process, and has the advantages of convenience for thorough pumping of filtrate in the filter barrels, safe and environment-friendly suction filtration process, and the like.

The invention discloses a portable multifunctional liquid food feeding device for nursing in an intensive care unit, and relates to the technical field of medical care. The problems that an existing liquid food feeding device such as a liquid food pushing assisting device is generally protected by sleeving a silicone protective sleeve on a feeding inlet, when liquid food is injected into the pushing assisting device, the liquid food enters the protective sleeve, because the size of the protective sleeve is small, it is not easy for ordinary appliances to extend into the protective sleeve for cleaning, so that food residues exist in the protective sleeve and the protective sleeve is generally integrally fixed to the pushing assisting device, and it is not easy to disassemble the protectivesleeve and put the protective sleeve in an ultrasonic cleaning machine or other devices for separate cleaning are solved. According to the following scheme, the portable multifunctional liquid food feeding device includes a feeding device body and a silicone protective sleeve, the silicone protective sleeve movably sleeves a soft rubber sleeve. The separation and disassembly of the entire siliconeprotective sleeve from the feeding device body is facilitated through the thread screwing connection design between a connecting block and a connecting cylinder, so that the separated silicone protective sleeve can be separately cleaned.