6results about How to "Prevent crossing" patented technology

The present invention relates to a jet regulator (1) having a jet regulator housing (2) that can be inserted into the water outlet (3) of a sanitary faucet (4) and having a mesh structure (5) on the outlet side composed of intersecting guide walls (6, 7) that define an outflow opening (8) between themselves. The jet regulator (1) according to the invention is characterized in that: the jet regulator housing has a non-circular housing cross-section and has housing longitudinal walls (10, 11) that have a greater longitudinal extension dimension than the depth of the housing cross-section; and the jet regulator housing (2) has a water guide skirt (9) that protrudes from the mesh structure (5) in the outflow direction and extends only in a portion of the housing periphery in the circumferential direction.

The utility model provides a bridge guardrail, which relates to the technical field of guardrails and comprises an adjusting mechanism, one side of the outer wall of the adjusting mechanism is fixedly connected with an anti-collision mechanism, the adjusting mechanism comprises two supporting columns, and the tops of the two supporting columns are fixedly connected with illuminating lamps. According to the utility model, the control switch is turned on under the action of the adjusting mechanism, so that the air cylinder pushes the first fixed seat to slide up and down on the inner surface wall of the sliding groove frame, and the connecting rod movably sleeved on the outer surface wall of the first fixed seat is telescopically adjusted, thereby being convenient to store and carry; in addition, a fixing piece is fixedly installed on one side of the outer wall of the supporting column, a telescopic rod is fixedly connected between one sides of the inner walls of the fixing piece, and therefore pedestrians can be prevented from crossing the guardrail, life safety of the pedestrians is guaranteed, and safety is improved.

The utility model belongs to the technical field of hoist, concretely is synchronous belt type hoist for suspension conveying line, include: frame, cantilever mechanism and counterweight subassembly, frame top is equipped with the drive subassembly of drive cantilever mechanism, and cantilever subassembly and counterweight subassembly slide in the both sides of frame, cantilever mechanism includes mobile frame, is equipped with multiple sets of limit guide wheel group on mobile frame, and limit guide wheel group includes the horizontal limit guide wheel group of being equipped with in the both sides of mobile frame and the front and back limit guide wheel group of being equipped with in the middle of mobile frame, and each group's horizontal limit guide wheel group and front and back limit guide wheel group include a set of opposite setting guide wheel, frame includes a set of vertical setting stand, is equipped with T type guide rail between two stands, and the stand is H type steel, and horizontal limit guide wheel group and front and back limit guide wheel group are respectively with T type guide rail and stand cooperation, the utility model from the three dimensions of the accuracy of hoist carrying of mobile synchronism, mobile stability and mobile stroke has guaranteed.

The present invention discloses a surface cleaning device capable of peeling off entangled objects, comprising a floor brush equipped with a roller brush, wherein the floor brush is provided with a comb tooth part and a scraping part, wherein the comb tooth part and the scraping part are both in contact with the roller brush, wherein the comb tooth part comprises a first end and a second end located between the scraping part and the first end, wherein the deformation amount of the scraping part in contact with the roller brush is greater than that of the first end and the second end, and the deformation amount of the second end in contact with the roller brush is less than that of the first end. By adopting the technical solution, pressure release can be formed at the second end, so that the entangled objects passing over the first end release pressure at the second end and are peeled off by the scraping part.

The biological sample detection device comprises a tube body assembly and a sampling assembly, the tube body assembly comprises a tube body, the scraping piece and a test paper strip, a first opening is formed in the upper part of the tube body, and a main cavity, a communicating cavity and a test paper cavity are formed in the tube body; the scraping piece is integrally made of rubber or silica gel and comprises a mounting ring and a first diaphragm, the mounting ring is of a cylindrical structure, a channel is formed in the mounting ring, the first diaphragm is perpendicular to the axis of the mounting ring and fixed in the mounting ring, a penetrating hole is formed in the middle of the first diaphragm, and the outer wall of the mounting ring is attached to the inner wall of the main cavity in a sealed mode; a test strip is inserted into the test paper cavity, and the lower end of the test strip extends into the communicating cavity; the sampling assembly comprises an upper cover and a sampling rod, the sampling rod extends into the main cavity from the opening, the diameter of the insertion hole is smaller than that of the sampling rod, and the sampling rod penetrates through the insertion hole. The scraping piece can effectively scrape redundant biological samples on the sampling head, so that the accuracy of a detection result is improved.