93results about How to "Avoid contamination" patented technology

The utility model belongs to the technical field of paint spraying devices, and particularly discloses an integrated small paint spraying device which comprises a shell and a sliding rail, the sliding rail is installed on the right side of the lower portion in the shell, a cart is connected to the upper portion of the sliding rail in a sleeved mode, a check block is fixed to the left side of the sliding rail, and four sets of idler wheels are installed at the bottom of the cart. A driving motor is installed in the center of the interior of the cart, and a connecting frame is fixed to the top of the cart. According to the integrated small paint spraying device, the upper portion of the sliding rail is sleeved with the cart, the handle is held, the connecting frame and the cart at the bottom are guided to walk along the top of the sliding rail, four sets of rolling wheels at the front position and the rear position all have the supporting and lubricating effects, and sprayed finished product accessories in a shell do not need to be manually contacted; when the accessory is taken out, the accessory can be placed in an external environment to stand for a certain time, and is disassembled after surface films of the accessories at the hanging rods and the hanging rings are formed, so that the problem that the accessories are inconvenient to take out and replace is solved.

The utility model discloses a device for excrement sample sampling, including being equipped with containing cavity handle and with handle connection's upper portion is equipped with the display screen's connecting handle, and the one end of connecting handle is away from handle is connected with the clamping handle that is equipped with the weighing cavity inside, and the weighing cavity bottom is equipped with the weighing sensor, and the clamping frame that is located in the weighing cavity is placed on the weighing sensor upper portion, and the clamping frame clamps the sampling spoon that is equipped with the spoon handle end in one end, and the knock -off part that passes through the connecting handle, the clamping handle and the clamping frame is equipped in containing cavity, and the knock -off part includes the push -rod that is penetrated to the clamping frame from containing cavity and is abutted on the spoon handle end. The utility model can accurately weigh the sampling weight of sampling spoon, can realize the accurate quantitative sampling of excrement sample, guarantees the detection demand of excrement sample, can prevent the spattering of excrement sample, can operate knock -off part to knock -off and fall sampling spoon, prevents the hand to dismantle sampling spoon, guarantees the security of excrement sample sampling process.

The present application relates to the field of endoscope, especially to a medical endoscope with protection function, comprising a scope, an insertion tube installed on the scope, a camera and the like installed on the end of the insertion tube, the insertion tube into the human body is protected by an outer sheath, the surgical instruments are isolated from the instrument channel by an inner sheath, thereby avoiding the insertion tube and the instrument channel from contaminating the human body tissue, after the surgical treatment is completed, the medical staff only needs to remove and replace the outer sheath and the inner sheath, without the need of complicated cleaning and disinfection operation of the endoscope, the sealing head of a sealing rod blocks the compression ring, then the physiological saline is delivered to the inner sheath by an external water pump, thereby cleaning the inner wall of the inner sheath, thus solving the problem that the instrument channel cannot be directly cleaned during the surgery or treatment in the prior art.

The utility model belongs to the technical field of door hinge processing, and discloses a reciprocating tapping device for a door hinge, which comprises a workbench, a support plate is arranged on one side of the top of the workbench, a lifting slide rail is arranged on one side of the support plate, a motor is arranged on the top of the support plate, a butt joint block is arranged on one side of the lifting slide rail, and the butt joint block is arranged on the other side of the lifting slide rail. The clamping assembly structure is arranged, the screw rod is screwed, the screw rod rotates on one side of the connecting plate through the bearing, and due to the fact that the screw rod is in threaded connection with the movable clamping plate, the screw rod drives the movable clamping plate to move towards one side of the fixed clamping plate through a rod piece; the door hinge can be clamped between the movable clamping plate and the fixed clamping plate, the machining position of the hinge is limited, it is avoided that the position of the door hinge is very prone to deviation in the tapping process, normal use of reciprocating tapping equipment is facilitated, and the practicability of the equipment is improved.

The utility model discloses a self-adaptive welding head assembly for laser welding of a power battery connecting piece. The self-adaptive welding head assembly comprises a cover plate, an air pressure baffle and a welding cavity. The cover plate is connected to the side portion of the welding cavity, and an air pressure cavity is formed by the cover plate and the side wall of the welding cavity. The air pressure baffle is accommodated in the air pressure cavity; a dust collection channel and an air blowing channel are constructed in the welding cavity, and the air blowing channel comprises a welding channel flowing to the welding station and at least one pressurizing channel flowing to the air pressure cavity; an opening, leading to the air pressure cavity, of the pressurization channel in the welding cavity is located above the air pressure baffle, air is blown to the air pressure cavity through the pressurization channel, downward pressure can be applied to the air pressure baffle, the air pressure baffle is tightly attached to the battery cover plate, welding slag dust is effectively prevented from splashing, and a roll core is prevented from being polluted. The utility model further discloses a dust removal device comprising the self-adaptive welding head assembly.

The utility model provides a laser and a laser device, the laser comprises a housing, a laser module and an air tap module, and an accommodating cavity is formed in the housing; at least part of the laser module is arranged in the accommodating cavity, and the laser module is provided with a light outlet; the air nozzle module is arranged on the lower side of the laser module and is provided with an air guide channel, a flow guide cavity and an outlet, the flow guide cavity is communicated with the air guide channel, the air guide channel can guide airflow output by an air source to the flow guide cavity, the airflow is blown out from the outlet after passing through the flow guide cavity, and the air nozzle module is arranged on the lower side of the laser module. A light outlet of the laser module is located in the flow guide cavity, and the outlet coincides with the center line of the light outlet. According to the technical scheme, the influence of dust and other impurities on the laser machining process can be effectively reduced, and interference of the air pipe on the laser device is reduced.

The utility model relates to the technical field of packaging, and discloses an efficient protective packaging device for automotive upholstery, which comprises a box body, a protective frame is arranged outside the box body, a protective component is mounted at the bottom of the box body, and a partition component is mounted in the box body; the protection assembly comprises a sealing layer, the sealing layer is fixedly connected to the interior of the box body, the inner side of the sealing layer is fixedly connected with a partition layer, the inner side of the partition layer is fixedly connected with a foam plastic cushion pad, and the partition assembly comprises a honeycomb paperboard. According to the utility model, the outside of the box body is protected through the protective frame; the sealing layer can prevent the automotive upholstery from being damped and contaminated by dust; the interlayer, the foamed plastic cushion pad and the honeycomb paperboard have good pressure resistance and buffering performance, can provide stable support for the interior trim part, absorb and disperse energy when encountering vibration or impact, and prevent the interior trim part from being damaged due to bottom stress.

The utility model discloses a kind of quick solidification devices of ink-jet printer, comprising: printing table, mounting plate, installation component, guide component, driving assembly, printing component and heating component, installation component is installed on printing table, mounting plate, guide component and driving assembly are all installed on installation component, printing component and heating component are all installed on mounting plate, driving assembly connects guide component, guide component connects mounting plate, mounting plate is located on the first plane parallel with printing table, installation component is located on the second plane parallel with first plane, driving assembly can drive mounting plate to move on the first plane or between second plane and printing table any third plane parallel with first plane.The utility model can heat solidification to new ink jetting in time, avoid pattern blur or stain, significantly improve ink-jet printing quality.

This utility model discloses a storage box for radio frequency coaxial connectors, including a base. A hollow support rod is fixedly connected to the top of the base. Multiple connecting posts are fixedly connected to the outer wall of the support rod. A placement tray is fixedly connected to one end of each of the multiple connecting posts. A sponge pad is fixedly connected inside each of the multiple placement trays. Multiple conical placement holes are evenly opened on the top of each of the multiple sponge pads. A round cover is slidably connected to the top of each of the multiple placement trays. Air passages are opened on the outer wall of each of the multiple round covers. This utility model allows for initial positioning of multiple radio frequency coaxial connectors through the conical placement holes, preventing displacement during storage. The rotating round cover, combined with the expansion design of the rubber airbag, can flexibly compress and fix the connectors from the top, avoiding mutual collision and compression caused by vibration during handling and transportation. This protects the shell, contacts, and other precision components from wear or deformation, ensuring signal transmission performance.

The present invention relates to an ink jet head ink supply system equipped with an emergency recovery function and an ink jet printer including the ink supply system. The ink jet head ink supply system is characterized by including: an ink jet head; an ink storage device; a supply flow path; a recovery flow path; a flow path blocker; a flow path switcher; a drain pipe; a discharge ink storage portion; and, a drain portion.

The utility model discloses a kind of garbage cans to form shaping virtual seal to through mouth, belong to garbage can technical field, including the flat cover mechanism being located at the outside of garbage bag, the flat cover mechanism includes inner cover, and the drive module of driving inner cover opening or closing inner opening;The inner cover includes first half cover and second half cover along plane relative opening and closing;Two half covers have height difference to the edge portion of facing each other, and when closing, it is mutually staggered arrangement;Or, two half covers are mutually flush, and when closing, it is mutually abutted.The utility model is shaped and closed bag mouth by setting flat cover mechanism, when cover body closes, garbage bag itself keeps virtual seal state when cover body retreats, not only prevent peculiar smell from escaping in the moment of opening cover, and virtual seal state is automatically released when throwing garbage, avoid the hindrance to throwing action.

This utility model provides a protective structure for a fan-shaped water cup spout, including a main cup body. A cup stopper is threaded to the inner side of the top of the main cup body. A connecting seat is fixedly installed on the top side of the cup stopper. A cup lid is connected to the outer side of the connecting seat. A mounting groove is provided on one side of the connecting seat. A spout is installed inside the mounting groove. A through groove is provided on the cup lid corresponding to the mounting groove. Two sets of fixing seats are symmetrically fixedly installed on the inner side of the cup lid. A ball screw is fixedly installed on the inner side of each fixing seat. An annular groove is provided on the outer side of the connecting seat corresponding to the ball screw. Two sets of locking holes are symmetrically provided on the annular groove. This utility model, through the cooperation of the through groove and the spout, allows the spout to be rotated to the outside of the through groove when drinking water is needed. When protection of the spout is needed, the through groove is moved away from the spout, preventing water remaining inside the spout from overflowing to the outside of the main cup body and causing other items to become damp.

The utility model discloses a kind of combination bottle cap and beverage bottle, it is related to beverage packaging technical field, including inner cover, sealing film, outer cover and lower spike cover, inner cover is used to be sealed and fixedly connected with the bottle mouth part of bottle body top end, first sleeve portion is in inner cover, first sleeve portion is equipped with through hole, sealing film can be blocked to the bottom end of through hole, lower spike cover is placed in through hole, the inside of lower spike cover has accommodating space, the bottom end of lower spike cover is equipped with discharge port, the bottom end of lower spike cover can be contacted with sealing film, the outside of lower spike cover has a plurality of driven protrusions, outer cover is threadedly connected with inner cover, the inside of outer cover has a plurality of push slopes, push slope can be driven protrusion when outer cover is loosened from inner cover push and move downward, driven protrusion moves downward can drive the bottom end of lower spike cover to break sealing film, and make seasoning in accommodating space fall into water in bottle body interior along discharge port;The utility model can effectively avoid seasoning being contaminated.

The invention provides a comfortable multifunctional seat which comprises a lying cushion, a seat cushion, a first flange, a second flange, a third flange, a headrest cushion structure, a lying cushion structure, an adjusting cushion structure, a connecting rope, a protection plate, a leg protection cushion, a first protection plate, a first protection sleeve, a second protection sleeve and a second protection plate. And meanwhile, a first protective sleeve and a second protective sleeve are sleeved on the outer walls of the lying cushion and the seat cushion. According to the seat cushion, through the arrangement of the headrest cushion structure, when the head of a user rests on the headrest cushion structure, the massage physical therapy effect can be achieved, and then the function of the seat cushion is increased, and through the arrangement of the lying cushion structure, when the user lies on the lying cushion structure, the massage physical therapy effect is achieved. Mutual transmission of air in the first air bag, the second air bag and the third air bag can be adjusted according to force applied to the back of a user, and the comfort of the seat cushion is improved.

This invention discloses a protective device for loading truck fuel tanks, including a fuel tank, with a protective device detachably mounted on the outside of the fuel tank; the protective device is configured as a hollow mounting box with an opening and closing door on the upper side; the outer wall of the mounting box is coated with PU paint, and the PU paint can be applied in multiple layers; the mounting box has a double-layer structure, with silicone blocks filling the space between the outer and inner layers; the mounting box contains a partition and anti-collision components; the anti-collision components are fixedly connected to the left side wall of the mounting box, and there are two anti-collision components, with another anti-collision component symmetrically mounted on the right side wall of the mounting box; the anti-collision components include a fixing plate, a first upright, a second upright, a push plate, and a buffer; by mounting the box, the outer wall of the fuel tank is effectively prevented from being contaminated with dust and oil, and the mounting box can be cleaned with a simple rinse, facilitating fuel tank maintenance.

The utility model relates to a kind of chili powder microbial detection devices, belong to microbiological detection technical field.It includes detection box, detection box is divided into operating room and incubation room by being equipped with baffle in detection box, dilution cylinder is installed in operating room by stand column, stirring mechanism and sterilization drying mechanism are installed in dilution cylinder, lifting mechanism is installed at the bottom of incubation room, translation mechanism is installed at the top of lifting mechanism, incubation tray is installed in translation mechanism, two culture tanks are equipped on incubation tray, first ultraviolet sterilization lamp and microscope camera are also installed in incubation room, heating cylinder is installed at the top of incubation room;The detection device controls operation process and microbial culture environment, avoids sample being contaminated, and can improve culture detection effect.

The utility model relates to two mixed cylinder discharge technical field, concretely is a kind of two mixed cylinder discharge port scraper, including downcomer, push plate is movably arranged in downcomer, the surface of push plate is fixedly connected with lead screw, the inside slide connection of lead screw and downcomer, the side of downcomer is provided with driving device, auxiliary device driving device includes threaded ring, auxiliary device threaded ring is rotatably connected with the side of downcomer, auxiliary device lead screw is internally threadedly connected with threaded ring, the side of one of auxiliary device threaded ring is fixedly connected with driving wheel, the side of another auxiliary device threaded ring is fixedly connected with auxiliary wheel, chain is engagedly connected between auxiliary device driving wheel and auxiliary wheel. The utility model, by setting driving device, can effectively facilitate worker to discharge the inside of downcomer, avoid the time-consuming and laborious situation of worker when adjusting scraper, to reduce the labor intensity of worker.

The utility model discloses a sampling short-term storage box for urine detection in urinary surgery, and relates to the technical field of storage boxes, the sampling short-term storage box comprises a shell, the shell is a square component with an opening at the front end, a fixing frame is arranged in the shell, two supporting pieces are arranged in the fixing frame, the two supporting pieces are distributed from top to bottom, and the two supporting pieces are arranged in the fixing frame. A plurality of placement hole positions are distributed in the tops of the two supporting pieces, rotating discs are arranged at the front ends of the two supporting pieces, the rotating discs extend into the fixing frame, protruding blocks are arranged at the top ends of the rotating discs, arc-shaped cavities matched with the protruding blocks are formed in the fixing frame, and a fan assembly is arranged on one side of the shell. By arranging a series of structures, the storage box is convenient to use, test tubes are convenient to take or place, meanwhile, the test tubes are stably placed and cannot topple over during transferring, the shell protects samples, the samples are prevented from being polluted, peculiar smells in the shell are avoided, and the risk of breeding bacteria is reduced.

The utility model belongs to the technical field of microbial strain transfer, and discloses a shake flask strain transfer auxiliary device which comprises a supporting seat, a containing groove and a pressure bearing piece are arranged on the upper portion of the supporting seat, the pressure bearing piece is located on one side of the containing groove, a positioning groove used for fixing a shake flask neck is formed in the pressure bearing piece, and a shake flask is obliquely placed in the containing groove. And the bottleneck of the shake flask is embedded in the positioning groove. The shake flask support is used for supporting a shake flask which is obliquely placed, a traditional handheld shake flask mode is replaced, and the probability that the shake flask shakes and the hand is burnt by flames can be effectively reduced.

This utility model relates to the field of setting machine technology and discloses a fabric sizing device for setting machines, including a fixed base, a material bucket, a second handle, and a contact roller. The material bucket contains a fixing mechanism and a scraping mechanism. The contact roller and the second handle are fixed to the upper end of the setting machine track by bolts. The fixing mechanism includes a rubber roller. In this utility model, the cooperation between the spring, locking block, fixing block, and turntable allows for quick disassembly and installation of the rubber roller, facilitating cleaning of the material bucket and the rubber roller. The operation is convenient and labor-saving. The cooperation between the spring, scraper, and rubber roller allows for scraping off the sizing material adhering to both sides of the rubber roller, preventing contamination of other parts of the fabric. Furthermore, the cooperation between the threaded rod, handle, and contact roller allows for adjustment of the distance between the rubber roller and the contact roller, making it suitable for fabrics of different thicknesses and greatly improving the flexibility of the device.

The utility model belongs to the technical field of optical fiber assemblies, and particularly relates to an optical fiber assembly for a detector, which comprises a detector and an optical fiber. The winding wheel is located in the fixed disc below the detector, the detector is provided with a volute spiral spring through a fixed seat below the detector, and the volute spiral spring has a first state and a second state; when the volute spiral spring is in the first state, the optical fiber is pulled outwards to drive the winding wheel to rotate, so that the internal structure of the volute spiral spring is loose; when the volute spiral spring is in a second state, the winding wheel is driven by elasticity to rotate so as to wind the optical fiber; a shell is arranged on the outer side of the fixing disc and covers the winding wheel and the wound optical fiber, a guide pipe is arranged in front of the fixing base, and the part, close to the detector, of the optical fiber is guided into the winding wheel to form protection. The wire winding device can automatically wind and unwind wires before and after use, the wires are stored in order and prevented from being scattered, meanwhile, the wires are protected inside and prevented from being in contact with impurities such as external dust and oil stains, and it is guaranteed that the surfaces of the wires are free of scattering points.

This invention relates to a patterning method for two-dimensional materials based on micro-gap anodic oxidation, comprising: (1) preparing a mask wafer with a surface conductive protective layer and a micron-depth pattern; (2) aligning the prepared mask wafer with the wafer to be processed using a tooling chuck; and (3) performing localized etching. This invention achieves wafer-level patterning of two-dimensional materials through surface protection and localized etching. This method avoids contamination and damage associated with traditional photolithography processes and improves production efficiency, providing key technical support for the large-scale application of two-dimensional materials in the field of electronic devices.

A moving frame is connected in a hollow brush handle in an up-down sliding mode, bristles are arranged at the upper end of the moving frame, a rotating frame capable of rotating in the brush handle is connected below the moving frame in a rotating mode, a blocking portion for blocking the rotating frame from moving downwards is arranged in the brush handle, and a through hole is formed in the blocking portion. The rotating frame is provided with a projecting shaft which penetrates through the through hole and extends below the blocking part, a knob connected with the projecting shaft is arranged below the brush handle, the rotating frame is provided with a rotating shaft, the moving frame is provided with a sleeve arm, the rotating shaft is provided with a groove which is obliquely arranged from top to bottom along the outer surface of the rotating shaft, and the inner side of the sleeve arm is provided with a convex point which protrudes inwards in the groove. The protruding point is matched with the groove and moves along the groove to drive the moving frame to slide upwards or downwards in the brush handle when the rotating shaft rotates, the moving frame and the bristles are located in the brush handle when the protruding point is located at the lower end of the groove, the moving frame drives the bristles to extend upwards to the upper portion of the brush handle when the rotating shaft rotates to enable the protruding point to move towards the upper end of the groove, and the toothbrush is simple in structure and convenient to use.

A kind of optical fiber plug-in joint connecting core grinder, including rectangular box, rectangular hole is set in the upper end of rectangular box, the lower end of rectangular box is opened, the lower end of rectangular box is clamped with lower cover plate, the inside of rectangular box is equipped with upper top block, upper top block is below rectangular hole, the length and width size of upper top block is greater than the length and width size of rectangular hole, the upper end of upper top block is paved with abrasive paper, the upper wall of abrasive paper is abutted to the inside upper end of rectangular box, when abrasive paper is fixed in rectangular box by upper top block, the upper wall of upper top block and the lower wall of rectangular box can be used to fix abrasive paper, to avoid that abrasive paper moves in the process of grinding, and this design is convenient to replace abrasive paper.

The invention discloses a finned radiator of a bidirectional protection type transformer, and belongs to the technical field of oil-immersed transformer components. Which comprises an oil inlet pipe connected with an oil outlet of the transformer, an oil return pipe connected with an oil inlet of the transformer and a group of radiating fins, and is characterized in that a protective cover rear fixing mechanism is arranged on the rear side of the oil inlet pipe, and a protective cover front fixing mechanism is arranged on the front side of the oil return pipe; a protective cover is fixed between the protective cover rear fixing mechanism and the protective cover front fixing mechanism, the left side face of the protective cover forms an opening, the upper side face, the lower side face, the front side face, the rear side face and the right side face of the protective cover form a hollow net-shaped structure, and the protective cover forms a protective cover cavity used for containing the finned radiator. The finned radiator has the advantages that birds resting on a foot can be prevented from being scalded by high-temperature radiating fins and even dying, and the surfaces of the radiating fins of the finned radiator can be prevented from being contaminated by sundries such as deadwood, residual leaves and flying catkins of external trees and bird droppings; ideal staticizing requirements are embodied, and energy is saved; and manpower resources are saved.

The invention relates to the technical field of cutters, in particular to a high-precision replaceable side milling cutter which comprises a cutter shell body, a cutter shell bearing seat is mounted in the cutter shell body, a cutter handle is arranged on the inner side of the cutter shell bearing seat, a connecting shaft is fixedly connected to the bottom end of the cutter handle, and a mounting seat is fixedly mounted at the bottom end of the cutter shell body through a plurality of first bolts. The tool holder is arranged in the mounting base in a penetrating and rotating connection mode, the fixing frame is fixedly connected to the outer wall of the mounting base, the tool protection assembly is arranged on one side of the fixing frame, and the automatic retracting and releasing mechanism is arranged on one side of the tool protection assembly in a rotating connection mode. According to the milling head, the mounting seat provided with a cutter can be quickly disassembled, the characteristics of high precision, small size and high rigidity are realized through precise mechanical interface modularized quick-change interface connection, the milling head is compact in size and can go deep into a narrow space, and the precision of a machined surface is guaranteed.

This utility model relates to the field of environmental monitoring technology for cleanrooms in the biopharmaceutical industry, and discloses a special petri dish holder for cleanroom dispensing lines. It includes a petri dish rack and a fixed support, with the rack fixedly connected to the support. The fixed support secures and supports the rack. The rack has a monitoring position for placing petri dishes used for settling bacteria monitoring and a temporary storage position for spare petri dishes. This utility model is used in cleanroom dispensing lines, providing a platform for offline settling bacteria and online airborne bacteria monitoring and dish changing operations. It facilitates operation, improves monitoring efficiency and accuracy, and meets the requirements for using RABS gloves during production, avoiding contamination introduced by opening doors and reducing compliance risks.

The utility model provides a seedling raising device for agricultural technology popularization, which relates to the technical field of agricultural seedling raising, and comprises a box body, a seedling raising tray is in sliding contact with the inner wall of the box body, a seedling raising basin is inserted on the seedling raising tray, the seedling raising basin consists of two culture basins and a limiting plate, and a limiting component is arranged on the seedling raising basin. According to the seedling culture device for agricultural technology popularization, an insertion block on a right culture pot is inserted into an insertion cylinder on a left culture pot, one side of the insertion cylinder extrudes an inclined surface of a clamping block to move the clamping block, the clamping block moves to extrude a spring to generate elastic force, and when the clamping block moves to coincide with the position of a clamping groove in the insertion cylinder, the clamping block is inserted into the insertion cylinder. The clamping blocks can be clamped into the clamping grooves under the elastic force of the springs, limiting of the inserting barrels and the inserting blocks is completed, and therefore assembling of the seedling raising pots can be effectively limited, and the problem that seedling bodies are damaged due to the fact that the seedling raising pots are accidentally loosened after being taken out of the seedling raising plate is solved.

This utility model relates to the field of cosmetic packaging technology and discloses a multifunctional cosmetic bottle, including a bottle body. A pump head is installed in the middle of the top of the bottle body. A bottle cap that provides protection for the pump head is hinged to the top of the bottle body. A back plate is rotatably provided on the top of the bottle cap. A lens is glued to the bottom of the back plate. Support components are provided on both sides of the back plate to support it. An insert plate that limits its movement is slidably connected to one side of the back plate. A sleeve is slidably provided on the surface of the bottle body. By setting the bottle cap, the pump head can be protected to avoid accidental activation. By hinged to the bottle body, it is easy to open and close. The support components and insert plate can support and limit the movement of the back plate. The back plate can protect the lens, preventing it from being damaged by impact and preventing the lens from being exposed to the outside for a long time and accumulating dust, thus keeping the lens clean.