5results about How to "Prevent contamination" patented technology

The application discloses a kind of multi-index medical examination automation device, it is related to testing equipment field, including outer shell, the inner top wall of outer shell is equipped with lifting cylinder, the output end of lifting cylinder is connected with mounting seat, the top of mounting seat is penetrated and is equipped with fixed pipe, the fixed pipe is two-section structure, and each fixed pipe is connected by hose between two sections.The fixed pipe and liquid outlet head are controlled by lifting cylinder to carry out drop action downwards, and hose connects two-section fixed pipe, when drop action is carried out, miniature cylinder is started, and the action of extruding piece is pressed again to loosen hose, urine enters hose, then extruding piece is pressed again to loosen hose, urine enters bottom fixed pipe, and is dropped by liquid outlet head, corresponding urine detection work is carried out, since overall detection is located in the inside of outer shell, and drop operation is carried out by miniature cylinder, effectively prevent the pollution situation when urine is detected.

The utility model discloses a layered chemical exploration soil sampling device which comprises a main body, a gear ring is rotatably connected to the lower side of the main body, a round through hole is formed in the position, corresponding to the gear ring, of the main body, the diameter of the round through hole is matched with the inner diameter of the gear ring, and a driving part is installed on the main body and is connected with the gear ring. The driving end of the driving piece penetrates through the body and is connected with driving teeth, and the driving teeth are meshed with the gear ring. The utility model relates to the technical field of geochemical exploration sample collection, by adding the telescopic first sleeve, the second sleeve and the third sleeve on the lower side of the main body and matching with the detachable inner pipe, the whole body is detachable and contractible, and the geochemical exploration sample collector is particularly suitable for being used in complex and soft sand land, can be operated by a single person, can sample in sections, and prevents cross mixing.

The surface mine mining shovel for mining engineering comprises a device body and an illumination flashlight, and the illumination flashlight is arranged on the front side of the device body; the device body further comprises a controllable shovel handle, a multifunctional shovel head and an auxiliary lighting device, the multifunctional shovel head is arranged below the controllable shovel handle, and the auxiliary lighting device is arranged on the outer side of the multifunctional shovel handle. The shovel has the function of preventing the shovel from being lost due to insufficient field illumination, and the reliability of the device is improved; the equipment requirements of workers on complex use conditions of a mining site are met, and the applicability of the device is improved; the condition that the shovel handle is polluted by sludge on the ground after the shovel is put down is prevented, the service life of the device is prolonged, and the maintenance pressure of workers on equipment is relieved.

The utility model provides a dust removal structure of dry -mixed mortar discharge device, including installation base, the upper end fixed connection of installation base has dust removal water tank, the upper end fixed connection of installation base has water pump, the output fixed connection of water pump has second connecting water pipe, the input fixed connection of water pump has first connecting water pipe, the upper end of dust removal water tank is rotatively connected with dust removal tank cover, this design has solved the original device in the process of dry -mixed mortar discharge, part dry -mixed mortar particle can float, cause the pollution of environment to the working environment, and cause the hidden danger to the health safety of worker's problem, the utility model discloses rational in structure, the practicality is good, and the water is left on the surface of the air hole plate through the water seepage box, so that water can mix with dry -mixed mortar floating particle each other, then discharges through the drain hole, can prevent dry -mixed mortar particle to cause the pollution situation to the environment, avoid dry -mixed mortar particle to cause the influence to the health of worker.

The utility model discloses a chipping cleaning mechanism for plastic product processing, and relates to the technical field of plastic product processing, which comprises a box body, a driving lifting moving mechanism is arranged in the box body, a cylinder body is arranged at the upper end of the box body, an air guide mechanism is arranged at the upper end of the cylinder body, and the air guide mechanism is arranged on the box body. A pair of chipping screening mechanisms is installed in the barrel, an air guiding assembly is installed between the pair of chipping screening mechanisms, a collecting mechanism is installed on the upper wall face of the box body, and air circulates in the barrel in a C shape through assistance of a draught fan and a guiding component, so that chippings of different sizes are blown to be filtered and collected. The device can be moved and adjusted at different positions and different heights, the height position adaptation of the plastic processing device is achieved, therefore, chippings are cleared and collected in time, the situation that chipping pollution is generated due to accumulation is prevented, the structure is simple, maintenance is convenient, cost is low, and the device can be conveniently matched with chipping collection of different devices for use.