14results about How to "Guaranteed tight connection" patented technology

The utility model relates to furniture and office supplies field, concretely, the utility model relates to a multifunctional book stand support of flexible assembly, including end part mounting block, the end part mounting block is connected with intermediate splice block, the end part mounting block and intermediate splice block all are equipped with the clamping slot, and the table board is inserted in the clamping slot, the end part mounting block and intermediate splice block one side are connected with the storage box body, and the device includes two end part mounting blocks, and according to need, a plurality of intermediate splice blocks are added between two end part mounting blocks, the end part mounting block and intermediate splice block all are U shape structure, and are clamped on the table edge of table board through the clamping slot, and can realize the stable connection of the device and table board through screwing, the end part mounting block and intermediate splice block one side all are connected with the storage box body, and the storage box body can place water cup, hang umbrella or as pen container, greatly expands the application range of product.

The utility model discloses a water pump shaft with a multi-sealing structure, which belongs to the technical field of water pump shaft sealing and is characterized in that a first multi-sealing component and a second multi-sealing component are arranged on a rod body of a shaft rod, and the first multi-sealing component and the second multi-sealing component are identical in structure. Multiple sealing operation of the shaft rod is achieved through the first multiple sealing assembly and the second multiple sealing assembly. The first multi-sealing assembly comprises a shaft body, a sealing ring, an outer cover and an inner supporting seat, the shaft body is located on a rod body of the shaft rod, a filler bin is formed in the shaft body, the inner supporting seat is arranged in the middle of the filler bin, and the outer cover matched with the shaft body is arranged at the outer end of the inner supporting seat. The multiple sealing assemblies cooperate to enhance sealing protection of the shaft rod, and liquid leakage is effectively prevented. In a severe environment, the reliability of the water pump shaft is ensured, and sealing failure faults are prevented. The sealing filler uniformly applies pressure through the spring and the ring, the sealing effect is ensured, and local abrasion is avoided. And the integrated and wedge-shaped design of the inner supporting seat and the limiting strip improves the structural stability.

The application discloses a floating joint, a fluid connector and a server node heat dissipation system. The floating joint comprises a seat body having a mounting cavity, the mounting cavity comprising a first matching surface; a joint structure comprising a connecting head and a liquid passing pipe arranged in the seat body; a floating assembly comprising a matching structure, a first stop structure and an elastic assembly, the matching structure being gap matched with the liquid passing pipe and having a second matching surface matched with the first matching surface; the first stop structure being connected with the liquid passing pipe; when the floating joint is assembled with a to-be-matched joint or is in an assembled state, the elastic assembly applies an elastic force to the first stop structure towards the side of the to-be-matched joint; when the floating joint and the to-be-matched joint are in a disassembled state, the elastic assembly applies an elastic force to the matching structure towards the side of the first matching surface, thereby realizing the centering of the joint structure and the seat body. The application solves the problem of poor sealing at the connection between pipe joints in the related art.

The utility model relates to the field of automobile engineering, in particular to an assembly type brake disc which comprises a friction disc, a transfer piece and a center disc. The friction disc comprises two oppositely-arranged circular-ring-shaped braking parts and a plurality of connecting parts connected between the two braking parts. The transfer piece is constructed to be in a circular sheet shape and is coaxially arranged between the two braking parts, and the diameter of the inner circle of the transfer piece is smaller than that of the inner circle of each braking part. A plurality of connecting through holes are formed in the transfer piece, and the inner walls of the connecting through holes are connected to the outer walls of the connecting parts correspondingly. The center disc is used for connecting a transfer piece and an axle and comprises an axle disc and an extension part. The shaft disc and the transfer part are coaxially arranged and integrally constructed into a circular ring shape, the diameter of the inner circle of the shaft disc is matched with an axle, the outer edge of the shaft disc extends in the direction away from the shaft disc to form an extending part, and the end, away from the shaft disc, of the extending part is connected to the transfer part. By means of the structure, the overall quality of the brake disc can be reduced, heat dissipation is improved, and the production efficiency of the brake disc is improved.

The application relates to the technical field of unmanned aerial vehicle components, in particular to a modular wiring structure suitable for unmanned aerial vehicles, which comprises an electronic speed regulator body, an output line module and an input line module; the electronic speed regulator body is provided with an output wiring post; the output line module comprises an output module and an output wiring terminal, the output wiring terminal is sequentially connected to the output module and the output wiring post; an output taper shaft fastener is arranged at the connection position of the output wiring terminal and the output wiring post, the output wiring terminal is arranged through and fastened on the output wiring post; an output anti-loosening elastic pad is arranged between the output wiring terminal and the taper shaft fastener; the output wiring post is sleeved with an output wiring sealing piece, and the output wiring sealing piece abuts against the electronic speed regulator body and the output module. The various connecting pieces are matched with each other, the structural strength, the impact resistance and the waterproof performance of the wiring structure can be improved, the reliability of the wiring structure is improved, and the wiring structure has better environmental adaptability and use safety.

The application discloses a drainage tunnel maintenance stage people and vehicle anti-skid device and a mounting method, and relates to the technical field of water conservancy projects. The device comprises at least one anti-skid pad body and a side edge anchoring mechanism. The anti-skid pad body comprises an anti-skid wear-resistant layer, a buffer bearing layer and an anchoring and adhering layer. The lower surface of the anchoring and adhering layer is provided with an anchoring structure. The upper surface of the anti-skid wear-resistant layer is provided with anti-skid textures and a plurality of drainage grooves. The anti-skid textures are used for enhancing the friction coefficient of the upper surface of the anti-skid wear-resistant layer and can guide accumulated water to the drainage grooves. One end of the side edge anchoring mechanism is in abutment with the side wall of the drainage tunnel, and the other end is used for being connected with the side edge of the anti-skid pad body, so as to limit the displacement of the anti-skid pad body in the width direction of the bottom plate of the drainage tunnel and provide the anti-skid pad body with a compression force perpendicular to the bottom plate of the drainage tunnel. The application can realize the technical effects of multiple goals, such as large longitudinal slope anti-skid, efficient installation, environmental protection and pollution-free, and reusability.

The utility model belongs to the technical field of wave-absorbing materials, and discloses a biomass porous carbon wave-absorbing material which comprises a wave-absorbing material body, one side of the wave-absorbing material body is fixedly connected with an insertion part, the other side of the wave-absorbing material body is fixedly connected with a clamping part, the insertion part is matched with the clamping part, and the clamping part is matched with the insertion part. The inserting part is used for connecting and fixing a plurality of wave absorbing material bodies and comprises a first fixing strip, and the outer side of the first fixing strip is fixedly connected with an inserting block. The inserting blocks can be inserted into the inserting grooves in the outer sides of the second fixing strips, and by means of the inserting mode, the multiple wave-absorbing material bodies can be rapidly connected without additional tools and complex operation. Similarly, when the wave-absorbing material body needs to be disassembled, the wave-absorbing material body can be quickly disassembled only by simply pulling out the inserting block, and the damaged wave-absorbing material body can be conveniently replaced or repaired in the maintenance process, so that the maintenance cost is reduced, the reliability of the equipment is improved, and the service life of the equipment is prolonged.

The utility model provides a kind of drinking cup, it is specifically related to water cup technical field.The drinking cup includes cup body, cup cover and straw;The cup cover includes top cover and bottom cover;The top cover is provided with dust cover, and the dust cover is hinged with top cover by connecting band;The top cover and bottom cover are hinged;The bottom cover is threadedly connected with the opening of cup body;The bottom cover bottom is detachably provided with filter screen;The straw penetrates the middle of filter screen inner cavity and is inserted with the position corresponding to the bottom of suction nozzle at the bottom of top cover.The utility model is provided with double-layer cup cover, solves the cumbersome, inconvenience of user needing to remove cup cover whole or filter screen when traditional water cup holds water or increases and puts brewing material in filter screen.

The utility model relates to a fabricated building component connecting structure, and relates to the field of building industrialization. The device comprises a building component and a connecting piece, the connecting piece comprises a connecting disc, a connecting column, a supporting column, a connecting screw rod, an elastic lining, an expansion sliding sleeve, a fixing nut and a tension spring, the periphery of the expansion sliding sleeve is arranged to be in a wedge shape, and the elastic lining is used for fixing the other building component. According to the fabricated building component connecting structure, firstly, one building component is fixed to the connecting disc through the embedded steel bars, then the connecting column is sleeved with the elastic lining, the state of the elastic lining is adjusted and controlled through the expansion sliding sleeve and the fixing nut, and it is ensured that the elastic lining can be tightly attached to the inner wall of the other building component; meanwhile, the tension spring provides auxiliary support when the elastic lining deforms, the stability and adaptability of the whole structure are ensured, and therefore reliable connection of the two building components is achieved.

The utility model discloses a portable UHPC steam curing device which comprises a balance weight bag, a supporting frame is movably installed outside the balance weight bag, a heat preservation outer cover is arranged outside the supporting frame in a covering mode, an automatic moisture discharging valve is fixedly installed on the top of the supporting frame, and a steam connector is fixedly connected to the outer side of the heat preservation outer cover. According to the portable UHPC steam curing device, a lantern ring is movably clamped into a limiting groove in the bottom end of a first supporting rod through a limiting column, the first supporting rod is movably clamped into a limiting groove in the bottom end of a second supporting rod through a limiting column at the top end, and a limiting column at the top end of the second supporting rod is movably clamped into a top cover, so that stable building of the whole supporting frame is achieved; the steam curing device is simple in structure, convenient to assemble and disassemble quickly, capable of guaranteeing tight connection of all the components, capable of effectively improving stability and durability of the whole steam curing device, simple and effective in clamping mode in the using process, free of additional fixing tools or steps and capable of greatly improving construction efficiency.

This utility model belongs to the field of sleeve sealing technology, and provides a sleeve structure for sealing concrete water tanks, including a sleeve with a water-stopping wing ring; the sleeve is coaxially fitted inside the perforation in the tank wall; a through-wall pipe is coaxially fitted inside the sleeve, and an annular cavity is formed between the through-wall pipe and the sleeve. Within the annular cavity, along the direction from the inner to the outer side of the tank wall, a limiting ring, an asbestos cement ring, an oil-impregnated hemp ring, another asbestos cement ring, and a sealant ring are sequentially arranged. This sleeve structure, through the design of a multi-layer sealing material composed of non-toxic sealant, asbestos cement, and oil-impregnated hemp, and a composite waterproof membrane formed by a three-layer anti-corrosion layer and a waterproof membrane, significantly improves waterproof performance. The use of stainless steel tube bundles and steel ferrules ensures a tight connection between the various layers of materials, preventing gaps from forming between the tank wall and the through-wall pipe due to thermal expansion and contraction, thereby preventing water leakage.

This utility model provides a plate connection reinforcement structure for a fully welded plate heat exchanger, belonging to the technical field of connection reinforcement structures. This plate connection reinforcement structure includes adjacent plates, wherein: an oblique tie rod is provided at the connection point of the adjacent plates. The oblique tie rod is fixed to the edge of the plate by welding or threaded connection. The oblique tie rod is arranged obliquely. By adjusting the length and angle of the oblique tie rod, the adjacent plates are tightly connected together. One end of the oblique tie rod is fixed to the edge of one plate, and the other end is fixed to the edge of another plate. The connection point of the oblique tie rod and the plate forms a non-perpendicular angle. The cross-sectional shape of the oblique tie rod is circular, rectangular, or elliptical. This solves the problems of insufficient connection strength and poor stability at the plate connection point in traditional fully welded plate heat exchangers due to welding stress concentration, thermal expansion differences, and vibration.

The application discloses a solar charging panel for power bank, which comprises a solar panel and a voltage stabilizer, the back of the solar panel is fixedly connected with a cloth piece, the voltage stabilizer is connected to the cloth piece, a wire is connected to the voltage stabilizer, one end of the wire is connected with a USB connector, the solar panel, the voltage stabilizer, the wire and the USB connector are electrically connected, the USB connector comprises a shell, a docking tongue is connected to the inside of the shell, a pressing piece is embedded between the docking tongue and the shell, a bolt is screw-mounted on the upper part of the pressing piece, the lower end of the bolt is in movable contact with the shell, one end of the wire is fixedly connected with the shell, and the wire is electrically connected with the docking tongue, the shell is inserted on a target power bank, the bolt is tightened, the bolt acts on the pressing piece upwards, the pressing piece presses the docking tongue, the docking tongue is pressed on the USB docking tongue of the power bank, the USB connector is fixed with the target power bank, and the stability between the device and the target power bank is improved.