9results about How to "Guaranteed compact" patented technology

The utility model relates to the technical field of vacuum switches, in particular to a pole-mounted switch, which comprises a switch base, a solid-sealed polar pole is arranged at the top of the switch base, a linkage plate is arranged at the bottom of the solid-sealed polar pole, the linkage plate is fixedly connected with an insulating pull rod of the solid-sealed polar pole, the linkage plate is positioned inside the switch base, a main shaft is arranged on one side of the linkage plate, and the main shaft is fixedly connected with the switch base. The two ends of the main shaft are pivoted with the switch base, one axial end of the main shaft extends to the outer side of the switch base and is connected with an operation pull rod, the main shaft is provided with a plurality of pull rod connecting levers, each pull rod connecting lever is provided with a pressing part capable of rotating along with the main shaft, and the pressing part is of an extending structure parallel to the radial plane of the main shaft. And after rotating according to the threshold direction, the hold-down part can abut against the linkage plate and drive the insulation pull rod of the solid-sealed polar pole to move downwards. According to the utility model, problems of poor synchronism of a transmission structure and overlong opening rebound time during closing and opening of some existing pole-mounted switches can be solved.

The invention belongs to the field of automobile door interior trim panels, particularly relates to an automobile plastic automobile door interior trim panel with noise reduction and sealing functions, and provides the automobile plastic automobile door interior trim panel with the noise reduction and sealing functions aiming at the problem that the noise reduction and sealing effects are limited in the prior art, the automobile plastic automobile door interior trim panel with the noise reduction and sealing functions comprises an interior trim panel, and the interior trim panel is formed in a three-layer injection mode. The inner side face of the interior trim panel is sequentially provided with a hollow glass layer and a protective layer, and the interior trim panel, the hollow glass layer and the protective layer are bonded and fixed through sound insulation colloid. The interior trim panel adopts the synergistic noise reduction design that a three-layer composite structure is matched with the hollow glass layer and the multi-material honeycomb noise reduction filter element; compared with a traditional single noise reduction structure, the multi-frequency-band noise isolation and absorption system can effectively improve the noise isolation amount and remarkably improve quietness in a vehicle.

The invention relates to the technical field of fire-fighting reels, and discloses an automatic winding fire-fighting reel which comprises a base support and a center pipe. A reel pipe is wound on the reel; the control mechanism is used for controlling winding of the reel pipe and drainage during winding; one end of the central pipe is connected with a valve pipe, and a connector is arranged on the valve pipe. According to the automatic winding fire-fighting reel, automatic electric winding of the reel can be achieved through the arranged servo motor, meanwhile, the servo motor is disconnected with the reel, the overall water pipe pulling-out resistance is reduced, the water pipe is pulled out more smoothly, and therefore the winding efficiency of the water pipe is improved. A circulating inflating structure is formed by utilizing the rotating power of the water pipe in the winding process, the wound water pipe is continuously inflated, then accumulated water in the water pipe is subjected to air pressure type inflating and self-discharging, it is guaranteed that the accumulated water in the water pipe can be effectively discharged, therefore, the protection performance of the water pipe is improved, and the material hardening condition caused by long-time water accumulation is avoided.

The utility model relates to the related technical field of floor tile splicing, in particular to a greening floor tile connecting structure which comprises a floor tile body and a connecting frame, a planting groove is formed in the center of the top end of the floor tile body, a greening part is arranged in the planting groove, and a widened base part is arranged on the periphery of the bottom of the floor tile body. A first inserting groove is formed in the top end of the widened base part, a plurality of water conveying holes are formed in the side portion of the floor tile body, the bottom end of the connecting frame is symmetrically connected with two first inserting plate parts matched with the first inserting groove, a net plate is placed in the connecting frame, and a plurality of through holes in butt joint with the water conveying holes are formed in the two sides of the bottom of the connecting frame; the bottom ends of the floor tile bodies are provided with water storage plates, the bottoms of the planting grooves are provided with water discharging ports communicated with the water storage plates, the connecting structure connects and fixes the two adjacent floor tile bodies through the connecting frames, meanwhile, water is conveniently guided into the planting grooves and drained out of the planting grooves, and the using effect is better.

The utility model relates to a collection code and screen protection device capable of touching a screen. The collection code and screen protection device comprises a base, a damping rotating shaft, a supporting plate, a rotating piece and the screen. The supporting plate is rotationally connected with the base through a damping rotating shaft; the damping rotating shaft comprises a shaft sleeve, a rotating shaft, a lantern ring and a fixed sleeve; the shaft sleeve is fixedly connected with the supporting plate, and a rotating shaft is arranged in the shaft sleeve and is in interference fit with the shaft sleeve; the rotating shaft is sleeved with a lantern ring, and the lantern ring is in interference fit with the rotating shaft. The lantern ring is sleeved with the fixed sleeve, the fixed sleeve is in interference fit with the lantern ring, and the fixed sleeve is fixedly connected with the base; the screen is rotationally connected with the supporting plate through a rotating piece. The rotating piece comprises a connecting block, a rotating shaft, a connecting rod, a lantern ring and an end cover. The connecting block is fixedly connected with the supporting plate, a rotating shaft is arranged in the connecting block, and the rotating shaft is in interference fit with the connecting block; the rotating shaft is sleeved with a lantern ring, and the lantern ring is in interference fit with the rotating shaft. And the connecting rod is sleeved on the lantern ring.

The present invention discloses a privacy protection database JOIN type query method, system and device based on homomorphic secret sharing. The method includes a setting stage and a query stage. In the setting stage, a Paillier encrypted public key N, a private key d and an encrypted private key E(d) are generated, and then packaged and sent to the client; in the query stage, the client sends the encrypted client table to the cloud server, and the query task is executed according to the queryer's instruction; the cloud server uses the homomorphic secret sharing private key ek to query the client table. i , the encrypted value I in the encrypted customer table x The local data is converted into secret shares, and the cloud servers obtain their own secret share tables; each cloud server executes a secure connection protocol based on the encrypted customer table and secret share table it possesses, and obtains the secret shares of the connection table respectively; the inquirer reconstructs the connection table based on the secret shares of each connection table. The present invention combines the characteristics of oblivious sorting and homomorphic secret sharing to design a secure connection protocol, thereby avoiding the communication overhead in the matching stage.

The utility model relates to the technical field of cable bridges, and provides a high-voltage power cable laying bridge which comprises a first supporting frame and a second supporting frame, the top end of the first supporting frame is provided with the second supporting frame, and the two sides of the interior of the second supporting frame are each provided with an installation structure. A fixing plate is arranged at the top end of the second supporting frame on one side of the mounting structure, protruding blocks are fixed to the two ends of one side of the fixing plate, and an adjusting structure is fixed to the other side of the fixing plate. By arranging the adjusting structure, the limiting pin and the reset plate form a telescopic structure through the reset spring by pressing the rotating plate, the limiting pin can be inserted into the slot and the through hole of the insertion plate under the elastic action of the reset spring, and the limiting pin forms a clamping structure in the through hole by rotating the nut. The cables in the bridge are separated by adjusting the distance between the partition plates, the gap distance between the cables can be controlled, and the cables are prevented from intersecting with one another.

The utility model provides an ADM-H covering net bag-shaped breast soft tissue reinforcing patch. The ADM-H covering net bag type breast soft tissue reinforcing patch comprises a net bag, a contraction ring is fixedly installed at an opening of the net bag, a plugging opening is formed in the contraction ring, the net bag and the contraction ring are integrally arranged, and the net bag is used for wrapping prosthetic breast soft tissue; the size of the net bag is set according to the size of the prosthetic breast soft tissue; the contraction ring is made of an elastic biological material; the net bag is made of polypropylene materials, and the outer side of the net bag is coated with ADM-H. The ADM-H covering net bag-shaped breast soft tissue reinforcing patch provided by the utility model has the advantages that a prosthesis can be conveniently filled, the prosthesis can be better attached, and rejection reaction can be reduced.

The invention discloses a method for processing the port of a surface-mount device, and belongs to the technical field of microwave ferrite devices. The surface-mount device comprises an iron bottom plate and a ferrite substrate. The outer shape of the iron bottom plate after processing is firstly to be a shape without input and output ports, and then the processed iron bottom plate is welded to the ferrite substrate. After welding, the input and output ports of the surface-mount device are processed by a ball planting process. The invention also discloses a microstrip surface-mount circulator prepared by the above method, comprising an iron bottom plate, a ferrite substrate, matching ceramics and a permanent magnet connected in sequence, and also comprising solder balls and metallized vias. The invention greatly simplifies the traditional iron bottom plate processing structure by introducing the "ball planting" process, thereby improving the processing efficiency and increasing the yield rate. The surface-mount circulator after ball planting has more advantages in non-destructive testing, assembly with complete equipment and other links, and has the ability of mass production.