9results about How to "Reduce passability" patented technology

A balloon catheter includes a catheter shaft (2), a balloon (3), and a protruding portion (4A). The balloon (3) is connected to the catheter shaft (2). The balloon (3) includes an inflatable portion (3B) and a distal end connecting portion (3A). The protruding portion (4A, 4B) protrudes radially outward with respect to a center axis of the catheter shaft (2). The protruding portion (4A, 4B) has at least one of a first protruding portion (4A) provided on the distal end connecting portion (3A) of the balloon (3), or a second protruding portion (4B) provided on a distal end extending portion (220). The distal end connecting portion (3A) includes at least a region where a protrusion amount is smaller than a protrusion amount of the protruding portion (4A, 4B).

The utility model relates to the technical field of acrylic emulsion filtering, in particular to an acrylic emulsion filtering device with a cleaning function, which comprises a filtering tank, a filtering mechanism and a cleaning mechanism, a tank cover is mounted at the top end of the filtering tank, the filtering mechanism comprises a filtering bag and a mounting component, the filtering bag is positioned inside the filtering tank, and the cleaning mechanism is mounted on the mounting component. The installation assembly is located between the filtering tank and the filtering bag, the cleaning mechanism comprises an L-shaped scraping plate, a guide assembly and a rotating assembly, the L-shaped scraping plate is located on one side of the filtering bag, the inner side of the L-shaped scraping plate is attached to the outer wall of the filtering bag, and the rotating assembly is located between the L-shaped scraping plate and the filtering tank. The L-shaped scraping plate can rotate on the surface of the filter bag, powdery particles attached to the surface of the filter bag can be scraped when the L-shaped scraping plate rotates, the situation that the powdery particles block the filter bag and reduce the passing ability of the filter bag is avoided, and therefore the filtering efficiency of the filter bag is improved.

The utility model discloses a spraying rod mechanism capable of being folded vertically on a single side, and relates to the technical field of spraying rods, the spraying rod mechanism is characterized in that the inner wall of a storage box is rotatably connected with a rotating rod, the surface of the rotating rod is fixedly connected with a first display board, and the upper surface of the first display board is provided with a second display board; two second rotating rollers are rotationally connected to the side, away from the first display board, of the second display board, a top board is installed at the other ends of the two second rotating rollers, the top board is rotationally connected with the second rotating rollers, and a first rotating roller is rotationally connected to the side, close to the second display board, of the first display board. The spraying rod mechanism capable of being folded vertically on the single side solves the problems that in the prior art, a folding structure for a spraying rod usually adopts an overlapped folding arm structure, so that the load strength of a connecting shaft is high, the service life of the folding structure for the spraying rod is prone to being affected, and meanwhile the passing ability in the liquid medicine spraying process is affected due to the fact that the width of the overlapped folding arm is large.

The invention relates to the technical field of cutters, in particular to a detachable facing cutter with an auxiliary cleaning structure. According to the technical scheme, the milling cutter comprises a milling cutter disc and further comprises a clamping mechanism, the clamping mechanism is arranged on the milling cutter disc, a cleaning mechanism is arranged on the lower side of the clamping mechanism and comprises supporting rods, the two supporting rods are arranged on the two sides of the milling cutter disc, and the bottoms of one sides of the two supporting rods are jointly and fixedly connected with an airflow ring; and a plurality of uniformly distributed airflow plates are arranged in the airflow ring. According to the device, through the design of the airflow ring, ascending airflow can be generated on the surface of a workpiece, through the design of the flexible brush roller, powder on the surface of the workpiece can be swept to the airflow ring, through the cooperation of the airflow ring and the flexible brush roller, the powder on the surface of the workpiece can be completely cleaned, manual cleaning after machining is not needed, and the working efficiency is improved. And through the design of the clamping mechanism, the cleaning mechanism can be conveniently mounted and dismounted.

The invention discloses an intrauterine device fixing device and belongs to the field of medical instruments, the intrauterine device fixing device comprises a transverse rod and a longitudinal rod, the transverse rod is transversely arranged at the top end of the longitudinal rod, the transverse rod and the longitudinal rod form a traditional T-shaped ring structure, and the technology is an existing mature technology and is not repeated; an adjusting mechanism is arranged in the longitudinal rod in a sliding mode, a protective sleeve is arranged at the intersection of the transverse rod and the longitudinal rod in a sleeving mode, and an installation auxiliary mechanism is arranged at the bottom of the longitudinal rod when the ring feeding operation is conducted. The defect that the contraceptive ring in the current market is poor in stability is effectively overcome.

The present invention discloses an automatic lawn mower, including: a body, where the body includes a cutting mechanism including a cutting element configured to perform a working task; a first shield, connected to the body, where in a natural state, a distance X1 between at least a part of a bottom edge of the first shield and a working surface meets: X1≥60 mm; and a second shield, connected to the body and configured to extend towards the working surface to protect the cutting element, where in the natural state, a lowest point of the second shield is lower than the first shield, and a distance Y1 between the lowest point and the working surface meets: Y1≤75 mm; and the second shield is configured to move in a direction away from the working surface when a received external force is greater than a set value. According to the lawn mower in the present invention, resistance of dense grass to the machine when the machine works in high-density grass can be reduced, and the passability of the machine is improved. In addition, people's hands or feet can be blocked from entering a lower part of the machine, thereby ensuring the security of the machine to people to some extent.

The invention relates to the technical field of sewage treatment equipment, and particularly discloses sewage precipitation treatment equipment for environmental protection technology development, the sewage precipitation treatment equipment comprises a supporting ring, the upper surface of the supporting ring is fixedly connected with a supporting column, and the top of the supporting column is fixedly connected with a bearing ring. After entering the staggered ring, sewage leaks downwards through a filter screen plate on the staggered ring, gradually passes through a drainage groove in the treatment ring, passes through a baffle ring and enters the inner side of the inner ring through a liquid inlet groove, namely, the sewage is preliminarily filtered through cooperation of the treatment ring and the staggered ring, the density of particles in the sewage is greatly reduced, and the sedimentation speed of the sewage is increased; along with the rotation of the dislocation ring, the closing plate gradually gets close to the liquid leakage groove and finally seals the liquid leakage groove, at the moment, the filter screen plate and the drainage groove are staggered, the first dislocation groove and the second dislocation groove coincide and face each other, namely, the interior of the dislocation ring is cleaned through alignment of the first dislocation groove and the second dislocation groove, and primary treatment of sewage next time is facilitated.

The present invention belongs to the technical field of wastewater adsorption and purification, and specifically is a device and method for adsorbing and purifying wastewater from zirconium oxide production, wherein the device comprises an adsorption purifier, the adsorption purifier comprises a tank body, a water inlet pipe is arranged on the top of the tank body, a water outlet pipe is arranged on the bottom of the tank body, and an adsorption component is arranged inside the tank body for adsorption and purification of wastewater passing through the tank body; the present invention arranges a flushing ring specifically for the position where the particle impurities are concentrated, so that the cleaning water flow flowing out of the flushing hole is concentrated to impact the area near the top and near the bottom of the filling area, so that the area where the zirconium oxide particle impurities are easily accumulated is dispersed by the concentrated impact, the activated carbon particles therein collide with each other, and the separation of the adhered impurities is accelerated under the shearing action of the water flow impact, and the problem of the impurities being too concentrated locally in the filling area affecting the overall passability of the adsorption layer is reduced.

The invention discloses a gate valve with a filtering function. The gate valve comprises a filter element assembly; a filter element assembly is detachably mounted in the valve body and is used for filtering impurities in a medium; the filter element service life detection device comprises a first pressure detection unit installed on the first side of a filter element assembly and used for detecting the pressure P1 of the first side of the filter element assembly; the second pressure detection unit is mounted on the second side of the filter element assembly and is used for detecting the pressure P2 of the second side of the filter element assembly; a filter element assembly replacing mechanism; and the controller is configured to send a filter element assembly replacement signal S replacement to the filter element assembly replacement mechanism if P1-P2 is larger than or equal to P, and the filter element replacement mechanism replaces the filter element assembly installed in the valve body based on the received S replacement. The embodiment of the invention has the beneficial effects that the replacement opportunity of the filter element assembly is automatically identified; and after the replacement time is automatically identified, the filter element can be automatically replaced.