42results about How to "Adjust the diameter" patented technology

The invention provides a portable dust removal filter bag, relates to the technical field of dust removal devices, and solves the problem that an existing dust removal filter bag is convenient to carry, the portable dust removal filter bag comprises an upper framework and a lower framework, telescopic mechanisms are installed between the bottom end of the upper framework and the upper end face of the lower framework at equal intervals, and the upper framework and the lower framework are each composed of four sets of arc-shaped sleeves; connecting arc-shaped pipes are installed between the arc-shaped sleeves through balls, sleeve rods are installed between the inner walls of the arc-shaped sleeves at equal intervals, the other ends of the sleeve rods are jointly connected with adjusting disc mechanisms in an inserted mode, connecting rods are installed between the adjusting disc mechanisms, and one ends of the connecting rods penetrate through the adjusting disc mechanisms to extend to the tops. The dust removal filter bag has the advantages of novel design and simple structure, and is worthy of wide popularization and application.

The invention discloses a monomer synthesis disposable household ultrafiltration hydrogen-rich water purification stick. The water purification device includes a booster part and a filter cleaning part. After the water source is fully pressurized, it is filled into the filter cleaning part to increase the filtration efficiency. The filter cleaning part flushes the solid particle filter material PP cotton filter element to discharge the solid particle impurities to further improve the filter efficiency. In the present invention, when the filter module has been When repeated filtration needs to be replaced, the No. 1 filter cap and No. 2 filter cap can be separated, and the filter cartridge can be taken out for replacement. The filter cartridge can be easily removed and discarded, and a new filter cartridge can be replaced. The plastic shell continues Recycling, reducing plastic waste, saving costs and protecting the environment.

The invention relates to a method for drawing a quartz glass rod by a coreless rod through a continuous melting method. According to the method disclosed by the invention, a drawing device comprises a furnace body which is internally provided with a tungsten-molybdenum crucible, a material platform is arranged at the bottom of the tungsten-molybdenum crucible, a discharge hole is formed in the material platform, a continuous melting furnace cover is arranged on an upper port of the furnace body and comprises a bottom cover and an upper cover, an installation hole is formed in the middle part of the bottom cover and is internally provided with a connecting cylinder, the upper end of the connecting cylinder is fixedly connected with the upper cover, a boss used for locking the tungsten-molybdenum crucible is arranged on the inner wall at the lower end of the connecting cylinder, a sealing mechanism is arranged between the bottom cover and the connecting cylinder, an upper cover lifting regulation mechanism is arranged between the bottom cover and the upper cover, a top cover is arranged above the upper cover and is fixedly connected with the upper cover through a fastener, and a feeding hole is formed in the top cover. According to the method disclosed by the invention, as a core rod and a former are not arranged in the tungsten-molybdenum crucible, the tungsten-molybdenum crucible can be used for enlarging the specification of the quartz glass rod from the traditional 2-30mm to 2-60mm, and the problem of a black core of the quartz glass rod can be solved by virtue of coreless rod drawing.

The invention discloses a radial limiting separation adjusting type cable structure which comprises a radial adjusting mechanism. In order to flexibly adjust the radial abutting position of a lower rotating abutting rod, a radial adjusting mechanism is additionally arranged, a built-in block is slidably clamped to a radial clamping groove in the upper end of a positioning inner threaded ring through radial clamping teeth at the lower end, a threaded column is driven to rotate through rotation of a driving rod, and then the built-in block body is driven to radially slide at the upper end of the positioning internal thread ring. In this way, flexible adjustment can be carried out according to the diameters of different floating external thread rings, and meanwhile, the built-in block is moved outwards, so that the floating external thread rings can be conveniently detached in the later period.

The invention discloses a tensile anti-fatigue high-speed data cable which comprises eight copper conductor pairs; two of eight copper conductor pairs are coated by a second insulating layer; the other six of eight copper conductor pairs are covered on the second insulating layer; the other six of eight copper conductor pairs are coated by a polyester tape layer; the polyester tape layer is coated by a second aluminum plastic composite layer; the second aluminum plastic composite layer comprises a polyester thin film layer and an aluminum thin film layer which coats on the surface of the polyester thin film layer; an aluminum foil layer is coated by a woven shielding layer; the woven shielding layer comprises a plurality of aromatic nylon fibers with a circular section and a plurality of tinning copper wires; the aromatic nylon fibers are coated by a tinning flat copper wire with a rectangular section; and the woven shielding layer comprises a plurality of aromatic nylon fibers and a plurality of tinning copper wires which are crossed and woven. The high-speed data cable provided by the invention enhances tensile anti-fatigue performance and also enhances the shielding performanceof the cable at the same time of ensuring the resistance of the shielding layer.