107results about How to "The structure is easy to disassemble" patented technology

The invention discloses an adjusting device for a reflector, which comprises the reflector, a reflector carrier, a plurality of adjusting elastic sheets, a lower optical engine shell, a plurality of adjusting springs and a plurality of adjusting bolts, wherein the reflector is fixed on the front surface of the reflector carrier; a plurality of bolt pillars are arranged on the rear surface of the reflector carrier; one ends of the adjusting elastic sheets are in blocking connection with the reflector carrier while the other ends are fixed on the lower optical engine shell; a plurality of adjusting bolt holes corresponding to the bolt pillars are arranged on the lower optical engine shell; a plurality of spring slots around the adjusting bolt holes are arranged on the back side of the lower optical engine shell; the adjusting bolts pass through the adjusting bolt holes and are connected with the bolt pillars of the reflector carrier; the adjusting springs are around screw rods of the adjusting bolts; and one ends of the adjusting springs are resisted against the spring slots of the lower optical engine shell while the other ends are resisted against the nuts of the adjusting bolts. The adjusting device for the reflector provided by the invention can be used for conveniently adjusting the position and / or angle of the reflector.

The invention relates to a punch safety door anti-falling device. The punch safety door anti-falling device comprises a safety door and guide rails, the guide rails are mounted on the two sides of thefront end of a punch body, the safety door capable of ascending and descending in the up-down direction is mounted on the guide rails, anti-falling assemblies are transversely mounted on one sides ofthe upper ends of the guide rails and comprise mounting bottom plates and air cylinders, front supporting plates are vertically mounted at the ends, facing the guide rails, of the upper sides of themounting bottom plates, blocking pins are arranged on the front supporting plates in a transversely penetrating mode, one ends of the blocking pins are axially connected with extending rods of the aircylinders mounted on the upper sides of the mounting bottom plates, and the other ends of the blocking pins extend into the safety door along with pushing out of the air cylinders. The punch safety door is prevented from falling through a simple mechanism, structure disassembling and assembling are easy, the reliable and durable effects are achieved, and safety accidents are avoided.

The invention relates to the technical field of bag type dust removal and particularly relates to a combined filter bag. The combined filter bag comprises a plurality of filter bag monomers, wherein a plurality of internal connecting ribs are uniformly arranged between two annular connecting plates located on the inner side of annular filter cloth, a plurality of external connecting ribs are uniformly arranged between two annular connecting plates located on the outer side of the annular filter cloth, annular fixed plates are arranged on the outer sides of the annular connecting plates, and sealing pads are arranged on the outer sides of the annular fixed plates; a plurality of round bugles are arranged on the two sealing pads on two ends of the filter bag monomers, a plurality of round limiting grooves are formed in the two sealing pads on two ends of the filter bag monomers, the numbers of the round bugles and the round limiting grooves are the same, and the sizes of the round bulges are matched with the sizes of the round limiting grooves; a plurality of mounting holes are uniformly formed in the edges of the annular fixed plates, and locking bolts are connected among the mounting holes of the two adjacent filter bag monomers. The structure of the combined filter bag is convenient to dismount, and the normal use and normal working of the filter bag are not influenced by local damage.

The invention relates to the technical field of plastic moulds and especially relates to a plastic mould with a detachable bracket. The plastic mould comprises an upper mould; splicing rods are fixedly arranged on the two sides of the lower surface of the upper mould; a plurality of fixing rods are fixedly arranged on the upper surface of a lower mould; clamping mechanisms are arranged on the upper parts on the two sides of an inner wall of a groove; the lower ends of moving rods extend into the lower part in the groove and are fixed with moving plates; the moving rods and the fixing rods arerespectively located between multiple openings; each clamping mechanism comprises a mounting slot formed on the upper part on one side of the inner wall of the groove; a screw rod is fixedly arrangedbetween each two connecting blocks and is connected through a nut; a sliding block is arranged on the outer side of the screw rod in a sliding form; a blocking rod is fixedly arranged on the middle part on the other side of a limiting block; a clamping block is fixedly arranged on one end of the blocking rod; a compression spring is respectively sleeved on the outer side of each screw rod. The plastic mould with the detachable bracket has the characteristics of convenience in detaching, simple operation and high practicability.

A double-headed arrow type negative poisson ratio structural body relates to the structural body field of space lattice structures, and includes a double-headed arrow type negative poisson ratio structural unit, wherein the double-headed arrow type negative poisson ratio structural unit includes an upper cross beam, a lower cross beam, a first upper diagonal bar, a second upper diagonal bar, a first lower diagonal bar, a second lower diagonal bar, a first middle diagonal bar and a second middle diagonal bar; a first upper connecting base, a second upper connecting base, a first lower connecting base and a second lower connecting base are respectively arranged at the lower ends of the first upper diagonal bar, the second upper diagonal bar, the first lower diagonal bar and the second lowerdiagonal bar, so as to form the double-headed arrow type negative poisson ratio structural unit; in space, the double-headed arrow type negative poisson ratio structural unit adopt the first upper connecting base, the second upper connecting base, the first lower connecting base, the second lower connecting base, the upper cross beam and the lower cross beam as connecting pieces for combined connection to form the double-headed arrow type negative poisson ratio structural body with the stereostructure. The double-headed arrow type negative poisson ratio structural body has the advantages of simple structure, high stability, light weight in unit space, high compression resistance, high impact resistance, and the like.