13results 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 belongs to the technical field of anti-seepage wall construction, and specifically relates to a dock anti-seepage wall construction method that can adapt to various geological conditions, including measurement and positioning, prefabrication of concrete guide wall blocks, installation of concrete guide wall blocks, digging of groove holes by grooving equipment, cleaning of groove holes, and concrete pouring. Compared with the prior art, the advantages and positive effects of the invention are as follows: after the foundation groove of the anti-seepage wall guide wall in the invention is dug, a plurality of concrete guide wall blocks are tightly connected by sequentially inserting straight steel pipes or straight steel rods into the connection holes of a plurality of concrete guide wall blocks, and the longitudinal cross-sections of the two rows of concrete guide wall blocks are in a "┘└" shape; after the pouring is completed and the anti-seepage wall concrete reaches 75% of the design strength, the rows of concrete guide wall blocks are removed for circulation; through a concrete strength detection device at the bottom of a joint pipe, the strength of the concrete can be accurately detected, and when the concrete strength reaches a set value, the joint pipe is started to be pulled out to avoid the joint pipe being unable to be pulled out.

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.

The utility model relates to the technical field of gloves, and discloses a remaining needle protecting and restraining glove which comprises a glove body and an annular window arranged in the center of the rear end of the top of the glove body, and an annular cloth piece is additionally arranged in the annular window. The zipper head is arranged at the corresponding position of the top of the glove body, and the glove body and the annular cloth piece are movably connected through the zipper head; the first lock catch is arranged in the center of the front end of the top of the glove body, and one side of the first lock catch is connected with a first fixing belt. According to the indwelling needle protecting and restraining glove, after an indwelling needle is arranged on the hand of a patient in a pricking mode and wears the glove body, the first fixing belt winds the glove body by a circle and is connected with the first lock catch, the hand of the patient is fixed to the glove body, and the annular cloth piece can be separated from the glove body and opened through the zipper head; therefore, the indwelling needle can be conveniently punctured, an infusion bottle needle water drawing tube can be replaced, and the indwelling needle of a patient can be protected from being pulled out.

The utility model discloses an anti-extubation hand restraint device in the technical field of medical equipment, which comprises a holding ball which is a ball body, a plurality of spacer blocks are uniformly and annularly arranged on the cambered surface of the side wall of the holding ball, and a ring sleeve is arranged between every two adjacent spacer blocks. The ring sleeve, the spacer blocks on the left side and the right side and the holding ball form a vertical channel with openings in the upper end and the lower end, the positioning support is connected with the bottom of the rear end of the holding ball, the whistle is further installed on the side wall of the holding ball, the ring sleeve can be fixed through the open holding ball and the fingers, the fingers are restrained, a patient cannot feel excessive restraint, and the safety of the patient is improved. According to the blood oxygen measuring instrument, the finger can be grabbed and exercised, the palm does not need to be rigidly restrained in a straight plate shape, the blood oxygen measuring instrument is more comfortable to wear, the acceptance degree of a patient and family members is high, the finger can be conveniently clamped to read blood oxygen parameters, and the whistle is additionally arranged, so that sound can be made by pinching and holding, and warning is facilitated.

The present invention provides a bus adapter device and a server. The bus adapter device provided by the present invention includes a bracket, a bus adapter card and a connector. The bracket is connected to the bus adapter card. The bracket includes a first body and at least one elastic first clamping part, and the first clamping part is connected to the first body; the connector has a second body and a second clamping part, and a slot is provided on the second body. The second clamping part is connected to the side of the second body. The connector is connected to the bus adapter card through the slot and plug-in connection; when the bus adapter card is connected to the slot, the first clamping part and the second clamping part are mutually clamped in the plug-in and pull-out direction of the bus adapter card to prevent the bus adapter card from being pulled out of the slot. The present invention provides a bus adapter device and a server, which makes it more convenient to disassemble and assemble the bus adapter card.

The invention discloses an alkali-active red mud-based nanosphere modified fiber and a preparation method and application thereof, non-agglomerated spherical nanoparticles grow on the surface of the modified fiber, and the modified fiber is prepared from the following raw materials: red mud, slag, fly ash, an alkali activator and fiber in a mass ratio of (70-100): (10-30): (10-30): (40-60): (26-30). The red mud is activated by utilizing an exciting agent, the PVA fiber is soaked after the mineral admixture is doped, the alkali-active red mud-based nanospheres grow on the surface of the PVA fiber, and the nanospheres are rich in Ca, Al, Si and other elements, so that the nanospheres can be used for regulating and controlling the interface performance of the high-ductility concrete fiber-matrix; according to the method, the fibers do not need to be coated with multiple layers of materials, the interface performance of the fibers and the matrix can be regulated and controlled, the fibers cannot be damaged, a new thought is provided for resource utilization of the red mud, and the method has the advantages of being low in carbon emission, low in production cost, wide in raw material range, simple in preparation method and the like.

The present application relates to a highly flexible polytetrafluoroethylene composite material and a preparation method thereof. A highly flexible polytetrafluoroethylene composite material comprises 1-20% modified bentonite, 5-10% coconut shell fiber, 5-10% pineapple leaf fiber, 1-5% graphene, and polytetrafluoroethylene; the preparation method thereof is as follows: preparing a mixture: mixing the mixture, modified bentonite, and polytetrafluoroethylene alternately at high speed and low speed at a temperature of 20-30°C to obtain an intermediate; molding the intermediate under the condition of 25-50MPa, and the holding time is 3-5min; sintering the molded intermediate under the condition of 220-370°C, and obtaining a highly flexible polytetrafluoroethylene composite material after cooling. The present application has the advantages of enhancing the softness and wear resistance of polytetrafluoroethylene.

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.

The utility model relates to the technical field of anti-theft alarm equipment, and discloses monitoring anti-theft alarm equipment. The monitoring anti-theft alarm equipment comprises an anti-theft device main body; the positioning rod is welded on one side, close to the anti-theft device main body, of the anti-theft cover; the push rod is arranged on one side of the positioning rod; when the positioning rod is inserted into the conical groove, the positioning rod can be inserted between the steel balls so as to push the circular truncated cone until the first elastic piece pushes the circular truncated cone through self elasticity, and when the positioning rod is inserted into the conical groove, the first elastic piece pushes the circular truncated cone and further pushes the steel balls so that the steel balls can be clamped into the clamping grooves. The positioning rod drives the steel ball to move through the clamping groove, and the steel ball extrudes the inner wall of the conical groove, thereby preventing the positioning rod from being pulled out of the conical groove, preventing the anti-theft device body from being opened, and protecting information in the internal switch from being stolen by outsiders.

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.