21results about How to "Stop shedding" patented technology

The invention relates to a wear-resistant and anti-stripping toy coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from a waterborne polyurethane resin emulsion, a waterborne modified polyacrylate copolymer emulsion, a styrene-stearyl alcohol methacrylate cross-linked polymer, castor oil isostearate succinate, an olibanum serratum resin extract, dimerized pentaerythritol hexahydroxy stearate, stearyl alcohol beeswax, a compound emulsifier, nano silicon carbide, nano aluminum oxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide and nano aluminum oxide. The coating is prepared by taking nano bentonite, polytetrafluoroethylene micro powder, a silane coupling agent and other components as raw materials through a special method, has good wear resistance, stripping resistance and impact resistance, is safe and environment-friendly, has good protection to a base material and long service life, and is a high-quality toy product coating.

The utility model relates to the field of hardware screws, in particular to a durable anti-falling hardware screw fastener. The technical problems that in the process that a screw fastener plays a role, the phenomenon that the screw fastener is loosened or even falls off is often caused by extreme environmental conditions or vibration, so that the integrity and functionality of the structure are affected, and equipment failures, production interruption and even safety accidents are possibly caused are solved. According to the technical scheme, the durable anti-falling hardware screw fastener comprises an external rotation assembly. According to the utility model, after the screw is embedded into an object, the screw can be prevented from rotating outwards through two groups of stripe structures with different angles by arranging the two-way thread rotation stopping mechanism and the glue inner accommodating mechanism, and a gap between the screw and a hole of the object is filled with glue overflowing due to extrusion; the screw and an object are further fixed together so as to prevent the screw from falling off, and the anti-rust coating on the surface of the screw prevents corrosion from the outside so as to prolong the service life of the screw.

The invention provides metal lithium surface protection slurry and a preparation method and application thereof, and the surface protection slurry comprises the following components by weight: 5-20 parts of a metal organic framework material (MOFs); 70 to 85 parts of a solvent; 3-6 parts of a conductive agent; 3-6 parts of a thickening agent; the MOFs material comprises an MOFs material taking a zinc-based metal matrix, a cobalt-based metal matrix, a vanadium-based metal matrix, an iron-based metal matrix, an aluminum-based metal matrix, a chromium-based metal matrix, a zirconium-based metal matrix or a lanthanide-series metal matrix as metal ions or metal cluster nodes, and the conductive agent comprises an organic polymer solid electrolyte material or an organic-inorganic composite solid electrolyte material. The surface protection slurry provided by the invention can form a protection layer with excellent lithium affinity, dendritic crystal resistance and stability on the surface of metal lithium.

The utility model discloses a tip drop prevention mechanism of a screw tap measuring device, which comprises a tip seat, a tip mounted on the tip seat and at least two groups of drop prevention components arranged on the periphery of the tip, each drop prevention component comprises a base and a rotating block rotatably arranged on the base, one end of each rotating block is connected with the base through a torsion spring, and the other end of each rotating block is connected with the corresponding torsion spring. The length direction of the rotating block is perpendicular to the axial direction of the tip, and the other end of the rotating block is close to the circumferential face of the tip. And the at least two groups of anti-falling components are in limiting fit with the tip from the side of the tip to prevent the tip from deflecting. According to the utility model, the tip is limited by arranging the anti-falling component, the torsional spring is used for providing a return driving force for the rotatable rotating block, when the tip deflects, the tip is in contact with the rotating block to drive the rotating block to turn over, and the rotating block cannot continue to turn over under the elastic action of the torsional spring, so that the tip is prevented from falling off; the torsion spring can restore deformation under the action of deformation elastic force to generate torsion, and finally the rotating block is driven to automatically reset.

The utility model relates to the technical field of elastic buckles, and particularly discloses a structure for preventing an elastic buckle from rotating and falling off, which comprises a limiting rib fixedly connected to the periphery of a limiting hole and used for limiting an elastic piece and a limiting assembly fixedly connected to the bottom of the elastic piece and clamped with the limiting hole. The limiting assembly comprises a vertical block, elastic arc plates symmetrically and fixedly connected to the two sides of the vertical block and notch faces formed in the ends of the elastic arc plates, the notch faces are connected with the inner wall of the limiting hole in a clamped mode, a plurality of grooves are formed in the notch faces, and rotating wheels with the rotating direction consistent with the unfolding direction of the elastic arc plates are installed in the grooves. By means of the device, the problem that due to the fact that the number of structures for limiting the freedom degree of a traditional elastic buckle is small, the elastic buckle falls off is solved.

The utility model relates to the technical field of safety devices, and discloses an anti-falling double safety device which comprises a load installation disc, a load connector is movably sleeved with the load installation disc, a nut is installed at the upper end of the load connector, a lifting rod is sleeved with the nut in a threaded mode, and the lifting rod is connected with a lifting handle in a threaded mode. A base is mounted on the upper portion of the load mounting disc, a holding device is fixedly connected to the top end of the base, and a first fastening bolt is mounted on the side face of the holding device. According to the anti-falling double safety device, the base is mounted on the upper portion of the load mounting disc through the fastening bolts, meanwhile, the base drives the holding device to be arranged at the position of the lifting rod, and the holding device limits the position of the lifting rod; when the threaded connection between the lifting rod and the load connector fails and the load falls, the load can be prevented from falling and falling off through the friction force between the holding device and the lifting rod and the limiting effect of the nut on the mechanism, and the safety during equipment production is improved.

The utility model discloses an engineering truck tire, and belongs to the technical field of tires. The engineering truck tire comprises a tread layer, an anti-puncture layer and a steel wire belt ply, wherein the anti-puncture layer is arranged between the tread layer and the steel wire belt ply; the anti-puncture layer comprises a rubber layer, cord fabric threads and a buffer layer, the rubber layer is provided with a first surface and a second surface which are opposite to each other, the first surface is attached to the tread layer, the second surface is attached to the buffer layer, the cord fabric threads are wrapped by the rubber layer, the number of the cord fabric threads is multiple, and the number of the cord fabric threads is multiple. And the plurality of cord fabric lines extend in a corrugated shape along the circumferential direction of the engineering truck tire. According to the scheme, the problems of large-area delamination of tire tread rubber and even tire burst of a vehicle caused by oxidation and corrosion of the steel wire belt ply of the tire when the steel wire belt ply is exposed after being punctured and encountered with water can be solved.

The utility model relates to a kind of composite lining for semi-autogenous mill and ball mill, including first lining body, second lining body and metal ceramic block, first lining body includes boss and transition zone;First lining body is used for semi-autogenous mill;Second lining body includes boss, transition zone and bottom plate, bottom plate is between two bosses;Second lining body is used for ball mill;Metal ceramic block is evenly distributed in the working surface of first lining body and second lining body;Metal ceramic block is provided with through hole, and metal liquid of boss, transition zone and bottom plate is fused into an organic whole with metal ceramic block by through hole.The utility model hole makes metal liquid infiltrate into the inside of metal ceramic block when casting, forms "metal anchor nail" structure after cooling and solidification, provides pullout resistance perpendicular to interface for metal ceramic block, effectively prevents metal ceramic block from transverse slip or drop under impact load.

This paper describes a self-assembled bisphosphonic acid monomolecule based on indene-carbazole, its synthesis method, and its application, belonging to the field of thin-film solar energy materials technology. This material forms a large conjugated planar structure by coupling indene-carbazole units with themselves or carbazole derivative units, offering the following advantages: 1) The conjugated system possesses a large, rigid molecular framework, significantly improving the material's thermal and chemical stability; 2) The large planar structure formed by indene-carbazole coupling strengthens intermolecular π-π stacking, thereby enhancing hole extraction and transport; 3) Coupling with multiple carbazole units allows for precise control of energy level matching and the formation of a dense interface layer, suppressing electron-hole recombination. The synthesized self-assembled monomolecule material, used as a hole transport layer in inverted perovskite solar cells, achieves improved photoelectric conversion efficiency and long-term device stability, demonstrating promising industrialization prospects.

The utility model discloses a kind of cable rope moving wear-resistant sheaths, including the sheath body that long tubular and axially open opening is opened, the sheath body has elasticity, its opening place detachably connected with box body, the box body is equipped with lubricating medium, box body's outer wall is equipped with injection port, the bottom of box body is equipped with multiple seepage holes, the seepage hole is equipped with elastic opening and closing component, by the movement of cable rope in sheath body, push elastic opening and closing component to open or close;The sheath body is fixed with multiple positioning mechanisms in the end far from opening.Opening place installed box body, can prevent cable rope from opening place falling off in the movement process, and box body is injected with lubricating medium, by the effect of elastic opening and closing piece, lubricating medium can be made from seepage hole into sheath body, to adhere on cable rope, to play the lubricating effect to cable rope.

The utility model provides an elastic adhesive bandage, which relates to the field of adhesive bandages and comprises an adhesive bandage body and a medicine absorption pad, the medicine absorption pad is adhered to the middle of the inner layer surface of the adhesive bandage body, and an elastic outer pressing belt and an auxiliary pressing belt are fixed on the outer surface of the adhesive bandage body through reinforcing belts. A first elastic inner pressing belt and a second elastic inner pressing belt are attached to the lower surface of the medicine absorption pad through a diaphragm, the first elastic inner pressing belt and the second elastic inner pressing belt are bonded with the diaphragm through active bonding layers, and cotton slivers are bonded to the inner side faces of the first elastic inner pressing belt and the second elastic inner pressing belt. The band-aid solves the problems that when the elastic layer of the band-aid in the prior art is attached, the edge of the band-aid is loosened, the elastic force is easily weakened when the edge is warped, and the band-aid is loosened and falls off.

The utility model discloses an ordered sample collection bag, and belongs to the technical field of sample collection, the ordered sample collection bag comprises a collection bag body and an adhesive tape, the collection bag body is provided with a plurality of sealing edges, the plurality of sealing edges divide the collection bag body into a plurality of independent spaces, and the adhesive tape is adhered to a bag opening of the collection bag body; the two ends of the sealing edge extend to the edge of the collecting bag body, a plurality of tearing grooves are formed in the sealing edge in the length direction, and the collecting bag body is divided into unit bag bodies through the tearing grooves. The collection bag body is divided into a plurality of spaces through the sealing edges, and when samples are stored, the samples are sequentially placed in the separated spaces, so that the samples can be prevented from being disordered; meanwhile, compared with a sample test tube rack, the sample orderly collecting bag reduces the storage space.

The utility model discloses a wrist wearing type diving water meter, which comprises a diving water meter main body and a wrist strap arranged on the diving water meter main body, the diving water meter main body comprises a main shell, a circuit board assembly, a button assembly, a display assembly and a top cover, a main board of the circuit board assembly is locked on the main shell, a switch is pasted on a switch board, and the button assembly is arranged on the switch board. The switch board is installed on the switch support, the switch support is locked on the main shell, the switch board is welded to the main board, the position of the switch corresponds to the position of the main shell penetrating hole of the main shell, the button assembly is installed on the main shell in a pressing mode, and the inner end of a push rod of the button assembly corresponds to the switch. A screen support of the display assembly is locked to the main shell, the screen support and a display screen installed on the screen support are located in a containing cavity of the main shell, tempered glass of the display assembly abuts against the edge of a cavity opening of the main shell, and the top cover is locked to the main shell in the mode that the edge of the tempered glass is pressed.

The utility model discloses a fisheye terminal, which comprises a guide part, a pre-insertion foot part, a limiting part, an elastic part, an inner fisheye and a base part, the guide part and the base part are respectively located at two ends of the fisheye terminal, and the pre-insertion foot part is located between the guide part and the elastic part; the limiting part is located at one end, close to the guiding part, in the inner fish eye and provided with a flange protruding outwards from the inner fish eye, and the flange forms damping in the direction opposite to the insertion direction after the fisheye terminal is inserted into a circuit board hole in place so as to prevent the fisheye terminal from being disengaged from the circuit board hole.

The utility model relates to the technical field of lifting hooks, in particular to an anti-falling lifting hook for a crane, which comprises outer protective plates, the outer protective plates are arranged in pairs, pulleys are arranged between the outer protective plates, limit nuts are arranged below the pulleys, through holes are arranged in the middles of the limit nuts, ratchet wheel groups are arranged on the outer sides of the outer protective plates, and the ratchet wheel groups are arranged on the outer sides of the ratchet wheel groups. And the ratchet wheel group is fixedly connected with a rotating shaft of the pulley. The ratchet wheel set is installed on the outer side of the protection plate, the ratchet wheel of the ratchet wheel set is fixedly connected with the rotating shaft of the pulley, one end of the steel wire rope is fixed and arranged on the pulley in a surrounding mode, and the other end of the steel wire rope penetrates through the through hole to be connected with the lifting hook, so that timely response can be effectively generated when the lifting hook falls off or falls off, and falling off or falling off of the lifting hook is effectively prevented; in addition, the through hole is formed between the limiting nut and the upper part of the lifting hook, and the steel wire rope penetrates through the through hole twice, so that the falling records of the lifting hook are reduced, and the safety coefficient is increased.

This invention discloses a corrosion-resistant and wear-resistant epoxy coating, which is made from the following raw materials in parts by weight: 1-5 parts carbon nanotubes, 5-10 parts chopped carbon fibers, 10-20 parts silicon carbide powder, 80-150 parts dimethylformamide solvent, 100-200 parts epoxy resin, 100-200 parts curing agent, and 1-2 parts leveling agent. This invention also discloses a method for preparing the corrosion-resistant and wear-resistant epoxy coating, involving surface modification of carbon nanotubes, silicon carbide, and chopped carbon fibers; preparation of a composite modified epoxy coating of carbon nanotubes / chopped carbon fibers / silicon carbide; and preparation of the corrosion-resistant and wear-resistant epoxy coating using the composite modified epoxy coating. The epoxy coating prepared by this invention can give the coating properties such as corrosion resistance, wear resistance, and crack resistance, greatly improving the service life of the coating in complex environments, and has important theoretical significance and engineering application value.

The application provides a foot prop and an electric vehicle. The foot prop comprises a support assembly, a parking sensing assembly and a connecting piece. The support assembly comprises a mounting piece and a support rod, and the support rod is rotationally connected with the mounting piece. The parking sensing assembly comprises a fixed piece and a rotating piece which are rotationally arranged. The fixed piece is provided with a parking sensor, and the rotating piece is provided with a sensing body. The sensing body is arranged to trigger the parking sensor when the support rod props the ground. The connecting piece is used for connecting the support rod and the rotating piece. A first connecting part of the connecting piece is fixedly connected with the support rod. A first limiting structure is formed on one of the second connecting part of the connecting piece and the rotating piece, and a second limiting structure matched with the first limiting structure is formed on the other one, so as to prevent the connecting piece and the rotating piece from relatively rotating. When the support rod props the ground, the sensing body on the rotating piece drives the parking sensor to trigger, so that a parking signal is automatically sent to a controller, and then the controller can control the electric vehicle to stop power output according to the parking signal, so as to realize automatic power output cut-off when parking.

The utility model provides a belt buckle component, which is expected to be difficult to visually recognize a magnet or a magnetic body from the outside of the belt buckle component under the condition that the magnet or the magnetic body is embedded in the belt buckle component. A buckle member (1, 2) is provided with: an injection-molded part (3); and at least one magnet or magnetic body (M1, M2) held by the injection molded part (3). The injection-molded part (3) is molded so that the magnet or magnetic body (M1, M2) is partially exposed at least in a first region (R1) of the magnet or magnetic body (M1, M2), the first region (R1) including a first partial region (E1) and a second partial region (E2) adjacent to a first surface (8d) and a second surface (81) of the magnet or magnetic body (M1, M2), the first surface (8d) and the second surface (81) being adjacent to each other; and a first edge (35) between the first partial region (E1) and the second partial region (E2) adjacent to each other.

The present invention discloses a preparation method of lithium iron manganese phosphate, a lithium iron manganese phosphate positive electrode material and application, and relates to the technical field of lithium ion batteries. When a ferromanganese phosphate precursor is coated with ferromanganese oxalate, no external reducing agent is required when the lithium iron manganese phosphate positive electrode material is prepared by a reflux method, thereby avoiding the problem of uneven distribution of the reducing agent. The present invention utilizes the reducing effect of the oxalate radicals inside the precursor to make the reduction more uniform and sufficient. In addition, the porous structure generated by the decomposition of oxalate radicals during the reaction can prevent a large number of bubbles from being generated by overboiling, causing the adsorbed lithium source to fall off, and promote the lithium salt to enter the interior of the particles. The uniformity is high, and the pore structure can also improve the lithium ion diffusion rate and conductivity, thereby obtaining a product with good crystallinity, excellent rate performance, and high cycle performance.

The utility model relates to the technical field of hinges, and discloses a hinge for aluminum alloy doors and windows, which comprises a hinge pin and two hinge plates rotating around the hinge pin, a plurality of bolt holes are formed in the side walls of the two hinge plates in a penetrating manner, screws are arranged in the bolt holes in a penetrating manner, the outward sides of the two hinge plates are connected with anti-falling plates, and the anti-falling plates are connected with the hinge pin. The two anti-disengaging plates cover the multiple bolt holes in the two hinge plates correspondingly, the sides, close to the hinge plates, of the two anti-disengaging plates are both connected with mounting assemblies, and the two mounting assemblies are connected with the two hinge plates correspondingly. According to the hinge for the aluminum alloy door and window, the anti-falling plates are installed on the outward sides of the two hinge plates, screws on the hinge plates can be blocked, the screws are prevented from falling off outwards due to vibration, and therefore the connection firmness between the hinge and the door and window and the connection firmness between the hinge and a door and window frame are improved, the door and window is prevented from falling off from the frame, and the use safety of the door and window is improved.

The utility model belongs to the field of machinery, and relates to an elastic plate hole clamping and adjusting device which comprises a lug hole penetrating elastic plate, a swing arm connecting piece, a supporting wheel swing arm, a lug hole penetrating piece and a lug plate blocking shifting pin, the lug hole penetrating elastic plate comprises a lug plate penetrating hole, a shifting pin penetrating and blocking sleeve is arranged at one end of the swing arm connecting piece, and a supporting wheel swing arm connecting structure is arranged at the other end of the swing arm connecting piece. The ear perforating piece is provided with a clamping and sticking elastic plate piece and a perforating ear, the perforating ear penetrates through the ear penetrating plate hole, the penetrating and blocking movement pin shaft sleeve penetrates through the ear penetrating plate hole, and the ear blocking plate movement pin penetrates through the perforating ear and the penetrating and blocking movement pin shaft sleeve, so that the clamping and sticking elastic plate piece is tightly attached to the ear penetrating hole elastic plate; the clamping and pasting elastic plate piece and the lug blocking plate moving pin prevent the perforated lug from falling off from a lug penetrating plate hole from the two sides of the lug penetrating hole elastic plate, the supporting wheel rocker arm is pushed by external force to be connected with the swing arm piece, the swing arm piece pushes the lug blocking plate moving pin, the lug blocking plate moving pin transmits the external force to the lug perforating piece, and the clamping and pasting elastic plate piece pushes the lug penetrating hole elastic plate to elastically deform and buffer. And the ear-hole-penetrating elastic plate is quickly straightened to reset by the buffer bounce of the ear-hole-penetrating elastic plate.