6results about How to "Avoid unplugging" patented technology

The utility model discloses an anti-tilt scaffold which comprises a steel frame and two crossed supporting rods arranged on the two sides of the steel frame, the outer sides of the four corners are respectively provided with a pair of fixing pieces, an inner rod is arranged between the fixing pieces, a plurality of limiting holes are formed in the inner rod, a sleeve rod is arranged on the outer side of the inner rod, and the sleeve rod is connected with the steel frame. An adjusting knob is arranged on the sleeve rod, through holes are formed in the two sides of the lower portion of the sleeve rod respectively, an inserting rod is arranged at the bottom of the sleeve rod, a spring is arranged on the outer side of the inserting rod, a base is arranged at the bottom of the inserting rod, rotating pieces are arranged on the two sides of the base respectively, and a bottom plate is arranged below the rotating pieces. According to the scaffold, the two sides of the steel frame can be supported, the steel frame is prevented from inclining towards the two sides, the safety risk of workers is reduced, and through friction between the inserting rods and the sleeve rods and the buffering effect of the springs, shaking of the scaffold can be reduced, and the scaffold is stabilized.

The invention discloses low-carbon polypropylene fiber concrete with high toughness and crack resistance, and belongs to the field of concrete. The raw materials comprise, by mass, 100-110 parts of coarse aggregate, 60-70 parts of fine aggregate, 20-30 parts of cement, 80-120 parts of fly ash, 15-20 parts of modified polypropylene fiber, and 2-3 parts of a water reducing agent; the use amount of the water meets the condition that the water-cement ratio is 0.3-0.4; according to the method, the surface of the polypropylene fiber is subjected to controllable micro-etching through concentrated phosphoric acid, a microscopic gully and micropore structure is formed, effective roughening of the surface of the fiber is achieved, the specific surface area of the fiber is greatly increased, the fiber can generate a stronger mechanical meshing effect in concrete, pulling out of the fiber is effectively prevented, and the tensile strength of the fiber is improved. And in the subsequent silane coupling agent treatment, a stable'molecular bridge 'is constructed between the fiber surface subjected to acid etching activation and an inorganic cement matrix, and firm Si-O-Si covalent bond connection is formed, so that the problem of weak bonding force between the common polypropylene fiber and the matrix interface is solved.

This application relates to the field of network cable interface technology, and discloses a network cable interface and network communication device. The network cable interface includes: an interface body and a locking member. The interface body has a receiving cavity for connecting to a network cable connector. The interface body also has a clearance hole communicating with the receiving cavity. At least a portion of the locking member is adapted to pass through the clearance hole and be inserted into the receiving cavity. A first locking portion is provided within the receiving cavity, and the locking member has a second locking portion. The first locking portion is adapted to engage with the second locking portion to limit the locking member to a locked position. When the locking member is in the locked position, the locking member and the network cable connector are locked together to prevent the network cable connector from being pulled out of the receiving cavity. This achieves locking of the network cable connector, and installation is simple and convenient, requiring no specific installation tools. Furthermore, since the first locking portion is located within the receiving cavity, when the locking member is limited to the locked position, the locking member cannot be disassembled from the outside, improving the level of security.

The utility model relates to the needle cylinder field especially, it relates to the needle cylinder with locking mechanism, including needle cylinder body, injection head and locking mechanism, the lower part of needle cylinder body is equipped with the injection needle of pricking into the patient's skin, the lower end center of needle cylinder body is equipped with injection head, the upper end of injection needle is equipped with the connecting head corresponding injection head, and the connecting head and injection head match and fit, and the upper end of injection needle and the lower end of needle cylinder body are surrounded and equipped with four sets of locking mechanism, the utility model discloses through needle cylinder body, injection head, injection needle and connecting head combination, so that when installing the injector, the connecting head of injection needle and the injection head of needle cylinder body can be matched and clamped together by the staff, after injection head and connecting head clamped together, four sets of locking mechanism lock and reinforce injection needle and needle cylinder body.

This invention discloses a hammer-in anti-rotation bone graft screw, comprising a straight, rod-shaped screw body with a flat hammering end and a drill bit at the head end. The outer wall of the screw body is provided with several barbs, and the drill bit is a truncated cone shape with a gradually expanding cross-section from head to tail. This hammer-in anti-rotation bone graft screw is implanted by hammering, thereby anchoring the bone to the defect in the posterior wall of the acetabulum, resulting in a secure connection without causing a foreign body sensation.