12results about How to "Control expansion" patented technology

The invention discloses a folding knife locking structure. The locking structure comprises a lock bridge, a button gasket, a screw gasket, a button, a main shaft, a main shaft screw, a locking spring and a button spring. The lock bridge can be automatically inserted into the locking groove or the closing groove formed in the cutting edge according to the rotation angle of the cutting edge under the pushing of the locking spring, the locking effect is automatically achieved, the lock bridge is provided with the locking contact face and is divided into the flat section and the inclined section with different angles, the double effects of abrasion compensation and locking safety are achieved, and the service life of the blade is prolonged. The locking structure is simple in structure and convenient to operate, does not need manual insurance operation, has the advantages of being convenient to control and firm in locking at the same time, operation gestures do not need fingers to appear on a blade turning-back path, and the locking structure only needs one main shaft screw for fastening, does not have any specific structure exposure in appearance and has the advantages of being simple and attractive. According to the invention, the overall occupied space is small, avoiding interference to the cutting edge is little, the storage proportion during closing is high, and the advantage of saving space is achieved.

This utility model provides a raw material mixing device for nylon composite material production, belonging to the field of nylon material production technology, to solve the problems of existing raw material mixing devices for nylon composite material production, such as inconvenience in movement, easy collision during handling, and high temperature on the tank surface causing burns. It includes a mounting base, a mixing tank, a protective frame, an adjustment knob, moving rollers, a moving component, and a protective component. The mixing tank is fixedly mounted on the top of the mounting base; the protective frame is vertically slidably connected inside the mounting base; the adjustment knob is located on one side of the mounting base; four sets of moving rollers are provided, and the four sets of moving rollers are located at the bottom of the mounting base; the moving component is located at the bottom of the mounting base; and the protective component is located on the upper part of the mounting base. This utility model has the advantages of flexible movement, safe protection, and ease of use.

The utility model is suitable for the field of valve execution components, and provides a pneumatic diaphragm head dual-drive execution mechanism which comprises a balance bin internally provided with a cavity, a guide hole formed in the side wall of the cavity and a push rod moving in the direction of the guide hole. An expansion film connected with the push rod is mounted in the cavity; a manual driving structure for driving the push rod to move is arranged above the balance bin and comprises a sleeve arranged at the end of the push rod in a sleeving mode, a locking structure arranged at the connecting position of the sleeve and the push rod to achieve positioning switching of the sleeve and the push rod and a handheld driving piece installed on the rack. The handheld driving piece is connected with the end of the sleeve through a transmission assembly. During pneumatic driving, the locking structure cancels positioning, and the sleeve and the push rod can slide relatively; during handheld driving, the locking structure is locked and positioned, and the sleeve and the push rod are in a positioning state, so that switching work under the dual-driving mode of pneumatic driving and handheld driving can be realized, and the problem that valve flow regulation is urgently needed due to the fact that pneumatic driving cannot work when the air pressure supply assembly is maintained is effectively solved.

The invention discloses shaping equipment for mechanical casting parts, and particularly relates to the technical field of mechanical casting, the shaping equipment comprises a shaping table, a grinding frame is fixedly mounted on the shaping table, a grinding motor is mounted on the grinding frame, a rod grinding knife is fixedly mounted at the output end of the grinding motor, and a rotating motor is fixedly mounted on the shaping table; a rotating shaft is fixedly installed at the output end of the rotating motor, a placing frame is fixedly installed at the top end of the rotating shaft, lifting control tables are fixedly installed at the two ends of the placing frame, hydraulic rods are installed in the lifting control tables, a piece carrying control mechanism is fixedly installed on the hydraulic rods, and a rotating shaft fixing mechanism is installed on the shaping table. According to the device, multiple sets of machined parts can be machined at the same time, the inner diameter faces and the outer diameter faces of the machined parts can be polished at the same time, feeding and discharging operation can be conducted continuously and circularly, and the machining efficiency is greatly improved.

This invention relates to the field of medical high-fidelity training model technology, and discloses a multi-vascular network biomimetic hemostasis model and method for junctional wounds. The model includes a biomimetic model, a blood bank system, a control system, and a temperature control unit. A biomimetic multi-vascular network is embedded in the junction area of ​​the biomimetic model, and a biomimetic wound opening is provided at the corresponding position of the biomimetic multi-vascular network. The input end of the biomimetic multi-vascular network is connected to the output end of the blood bank system, and the output end of the biomimetic multi-vascular network is located inside the biomimetic wound opening. The temperature control unit is located at the input end of the biomimetic multi-vascular network. A pressure sensor is provided in the biomimetic wound cavity wall of the biomimetic wound opening, and hemostatic material is filled inside the biomimetic wound opening, with the hemostatic material in contact with the pressure sensor. The control terminal of the control system is electrically connected to the blood bank system, the temperature control unit, and the pressure sensor. This invention can realistically simulate the bleeding process of penetrating and blind-tube injuries in the junctional wound of the simulation model, facilitating simulation training.

The invention relates to the technical field of flexible light-emitting devices, in particular to a flexible OLED screen curl packaging structure which comprises a substrate, a first electrode layer, a light-emitting function layer, a second electrode layer and a protective layer, the substrate, the first electrode layer, the light-emitting function layer, the second electrode layer and the protective layer are sequentially distributed, a filler cavity is formed in the protective layer, and the filler cavity is filled with a filling material. A filler is arranged in the filler cavity, and catalysts are arranged on the portions, located on the two sides of the filler cavity, of the base plate. According to the invention, the filler cavity is arranged and the catalyst is arranged between the protective layer and the substrate, so that when the edge of the OLED screen is torn, the filler in the filler cavity flows out and is in contact with the catalyst so as to repair side packaging, thereby avoiding the problem that internal electronic components are damaged due to contact with air due to edge tearing of the OLED screen; therefore, the service life of the OLED screen is effectively prolonged.

The utility model relates to the technical field of chemical fiber filament processing, in particular to a chemical fiber filament cutting machine material receiving mechanism, a cutting machine, a pressure applying mechanism and a collecting mechanism, the pressure applying mechanism is arranged on one side of the cutting machine, and the collecting mechanism is arranged on the outer side of the bottom of the pressure applying mechanism. The pressure applying mechanism comprises a mounting side plate, an oil cylinder frame, a first oil cylinder, a pressure applying block, a collecting cover and a clamping mechanism, the mounting side plate is fixed to one end of the cutting-off machine, and the oil cylinder frame is fixedly arranged at the top of the outer side of the mounting side plate. Fluffy chemical fibers are pressed into a packaging bag through the pressure applying mechanism, a bag opening of the packaging bag can be effectively fixed to the bottom of the collecting cover through the clamping mechanism, bag opening falling caused by pressing is avoided, and the bottom collecting mechanism adjusts the height of a bottom bearing disc of the bottom collecting mechanism according to the amount of the chemical fibers contained in the packaging bag; therefore, the packaging bag is gradually controlled to unfold along with the increase of the chemical fiber collection amount.

The present disclosure relates to an anode material, a method for preparing the same, and a lithium ion battery, which belong to the technical field of energy storage materials. The anode material includes a LixMySiO4 material, a carbon material and nano-silicon. The LixMySiO4 material and the carbon material has a network structure, independently forming a first skeleton and a second skeleton in the anode material respectively. The first skeleton and the second skeleton are entangled with each other, and the nano-silicon is distributed in the matrix or / and on the surface of LixMySiO4 material. In the LixMySiO4 material, the values of x and y satisfy charge balance, and M includes a metal element capable of reducing silicon oxides, the metal element excludes Li. The anode material has better electrical conductivity, more stable structure, lower volume expansion, higher electrical conductivity, higher first efficiency and excellent rate performance.

The application belongs to the technical field of robots, and discloses a scalable amphibious robot driven by a paddle wheel, which comprises a shell, four wheel shafts rotatably connected to the shell and distributed on the left and right sides of the shell, four independent driving mechanisms arranged in the shell, four driving mechanisms connected with the four wheel shafts to drive the wheels to rotate independently, a scalable paddle wheel mechanism contained in the wheel mechanism, the scalable paddle wheel comprising a wheel, an independent small wheel body, a plurality of paddle plates and a scalable mechanism; the scalable mechanism is used for the expansion and contraction of the paddle plates of the paddle wheel, so that the paddle plates of the paddle wheel can be retracted into the wheel and form an integral whole with the wheel, or be expanded into a paddle wheel mechanism and be used for rowing. The single power driving system is combined with the scalable paddle wheel structure, so that the rigidity and flexibility of the hub are ensured when the amphibious robot runs on land, and the energy utilization efficiency is improved when the amphibious robot sails on water.

The present invention discloses an ophthalmic surgical device for sclera, comprising a manipulation module, a lifting control module and an arc-shaped shell, wherein the arc-shaped shell has a curvature and length adapted to the shape of the eyeball, and an open cavity is provided on one side of the arc-shaped shell for matching the sclera of the eyeball, wherein the lifting control module is installed in the open cavity, wherein the lifting control module is used to load and apply reinforcing materials and adhesive plasticizers to the sclera of the eyeball, wherein the manipulation module is connected to the lifting control module, and is used to manipulate the lifting control module to lift out of the open cavity to apply the reinforcing materials and adhesive plasticizers to the sclera of the eyeball, and manipulate the lifting control module to reset to the open cavity after the application is completed. The device of the present invention can attach the reinforcing materials to the surface of the posterior sclera through adhesive plasticizers in a minimally invasive, safe and accurately positioned manner, thereby achieving mechanical reinforcement of the posterior sclera, and enhancing constant pressure for the posterior pole or posterior scleral staphyloma.

The invention discloses an anti-seepage ecological protection slope for farmland erosion gully treatment, and relates to the technical field of farmland treatment. The invention aims to solve the problems that in the prior art, a honeycomb ecological protection slope for preventing and treating farmland erosion gullies is good in ecological property and not good enough in stability, and landslide and collapse often occur; and traditional gabion slope protection modes and the like are adopted, the stability is good, however, farmland is prone to being damaged when erosion gabions are prevented and controlled, and the ecological property of the farmland is damaged. The anti-seepage ecological protection structure is formed by sequentially connecting an anti-seepage ecological protection section, a transition section, a stilling pool section and a confluence reinforcing section. The water inlet end of the erosion gully is provided with an anti-seepage type ecological protection section composed of honeycomb ecological protection slopes and then is a transition section composed of Reynolds protection slopes, and the rear portion of the transition section is sequentially connected with a stilling pool section composed of gabion protection slopes and a confluence reinforcing section. And the stilling pool section is provided with a stilling ditch. The method is used for farmland erosion gully treatment.

The invention provides a multi-size adhesive tape distributor for adhesive tapes, and relates to the technical field of distributors, the multi-size adhesive tape distributor comprises a shell and a guide frame, a limiting clamp is rotatably mounted in the shell, the limiting clamp comprises a positioning plate, a mounting sleeve and a reset rod, and a connecting block is fixedly mounted in the mounting sleeve; arc-shaped sliding blocks are installed at the four side ends of the connecting block in a sliding mode, the guide frame plays a role in pressing the adhesive tape body by moving the shell and the guide frame, meanwhile, the guide frame is moved, the installation frame is clamped into a gap of a carton, and the guide frame presses the adhesive tape body to move and package by pulling the shell. Meanwhile, the mounting frame moves in the gap of the carton and plays a role in guiding the guide frame, and the adhesive tape body and the surface of the carton form a continuous and flat contact surface, so that the overall firmness of packaging can be improved, it is ensured that the carton can bear more pressure and impact in the transportation and carrying process, and the service life of the carton is prolonged. Therefore, the safety of articles in the carton is protected.