12results about How to "Quick closure" patented technology

This utility model provides a steel frame bridge with a liftable emergency device, including a steel frame bridge body (1). The feature is that: emergency devices (2) are respectively provided on the bottom of both sides of the steel frame bridge body (1), and protective components (3) are fixed on the outside of the emergency devices (2). The protective components (3) can move up and down synchronously with the emergency devices (2) relative to the steel frame bridge body (1). By providing emergency devices and protective components, the road on the steel frame bridge body can be quickly closed and passing vehicles and pedestrians can be intercepted through the synchronous up and down movement of the emergency devices and protective components. No on-site construction is required. The emergency devices and protective components are respectively raised and lowered in accordance with the rectangular holes and circular holes on the steel frame bridge body, which effectively improves adaptability.

The present application discloses a container, which comprises a box body, an upper top door and a lower top door, the top of the box body is provided with a top opening, the upper top door is arranged on the box body and is movable along the length direction of the box body between an open position and a closed position, the lower top door is arranged on the box body and is movable along the length direction between an open position and a closed position, the lower top door is located below the upper top door, the upper top door in the closed position and the lower top door in the closed position are arranged in succession in the length direction and cover the whole top opening, and the movement of the lower top door and the movement of the upper top door are independent of each other. According to the container of the present application, a sliding double-open top door can be designed on the top of the container, which facilitates the filling and / or removal of materials such as garbage from the top, and the design of the double-open top door can quickly and conveniently open any top door to fill and / or remove materials, and quickly and conveniently close the box body to prevent leakage during transportation and reduce pollution.

The utility model relates to the production technology field of preserved meat, concretely is the rubbing machine with prevent splashing structure, including fixed base, the upper end portion sliding installation of fixed base has rubbing box body, the inside rotation of rubbing box body is installed with stirring rod, the upper end portion sliding installation of rubbing box body has the top cover, the upper end portion sliding installation of top cover has the storage tank, the side end portion fixed mounting of rubbing box body has the fixed plate. The improved rubbing machine drives the threaded rotating lever rotation cooperation upper fixed plate limiting through the second drive motor starting, thereby drives the connecting sleeve ring to move up and down, reaches the device when using can close inside the device quickly, thereby reduces the splashing effect when rubbing, improves device use sanitary degree, and the device uses through the nozzle to export new edible salt constantly cooperation stirring rod agitating and rubbing box body shaking when, thereby makes the preserved meat rubbing in the device more fully, further improves device efficiency.

The utility model discloses an environmental protection type zip fastener bag of recycling, the inside of PCR recyclable bag surface layer is installed with PCR recyclable bag inner layer, the inner wall of PCR recyclable bag inner layer is installed with waterproof membrane closely, the bottom of the inside of PCR recyclable bag surface layer is installed with bottom reinforcing cloth that prevents shedding, the both sides of the top of bottom reinforcing cloth that prevents shedding are connected with reinforcing cloth strip equally, the top of PCR recyclable bag surface layer is sewed and is installed with fastening edge, the utility model discloses utilize waterproof membrane to the bag inside to be wrapped, has improved the waterproof performance of bag whole, prevents the rainwater and leads to its internal article damp or liquid to flow from the bag inside, simultaneously utilizes bottom reinforcing cloth that prevents shedding to the bottom of bag played the role of reinforcing and preventing shedding, prevents the bottom of bag easy breakage and shedding and leads to the internal loading article to fall, and reinforcing cloth strip and fastening edge reinforce bottom reinforcing cloth that prevents shedding, have improved its and the connectivity of bag itself, prevent its pressure and fall off.

The utility model belongs to the technical field of furnace door sealing device, and disclose an automatic sealing device of furnace door of industrial furnace, including furnace body, the upper surface rotationally connected with furnace door of furnace body, the lower surface fixedly connected with sealing door of furnace door, the upper surface fixedly connected with mounting seat of furnace door, the upper surface fixedly connected with air pump of mounting seat, the output fixedly connected with conveying pipe of air pump, the one end fixedly connected with air bag of conveying pipe away from air pump, the lower surface fixedly connected with motor of mounting plate, the output fixedly connected with rotating shaft of motor, the lower surface fixedly connected with rotating rod of rotating shaft, the one end fixedly connected with pressing plate of rotating rod away from rotating shaft, cooperate through sealing door, mounting seat, air pump, conveying pipe and air bag, realize sealing effect through air pump air bag, can be filled with air and discharged rapidly, realize the process of quick automation's closing and opening, air bag can realize even coating furnace door edge after inflating, form the close seal, guarantee the sealing property of high temperature environment in the furnace.

This utility model provides an intermittent aeration MBR reactor, relating to the technical field of aeration devices. The intermittent aeration MBR reactor includes an aeration tank containing a horizontal pipe. Multiple aeration pipes are connected to the upper end of the horizontal pipe. Each aeration pipe contains a self-sealing assembly. The self-sealing assembly includes a fixing ring fixedly connected to the inner wall of the aeration pipe. A sealing block is slidably connected within the fixing ring. A circular block is fixedly connected to the upper end of the sealing block. The circular block is elastically connected to the adjacent side of the fixing ring via multiple springs. Multiple vertical rods are fixedly connected to the lower end of the circular block, and all vertical rods penetrate the fixing ring. The intermittent aeration MBR reactor provided by this utility model has the advantages of compact structure, strong self-cleaning ability, and flexible adjustment.

The invention provides a liquid nitrogen-based food fresh-keeping system, which belongs to the technical field of liquid nitrogen instant freezers, and comprises a fresh-keeping mechanism, the fresh-keeping mechanism comprises a cabinet body and a tank body, the cabinet body is connected with a protective door through a rotating shaft, a locking part for sealing the cabinet body is arranged on the side wall of the cabinet body, a partition plate is arranged in the cabinet body, and a fan and an air outlet are arranged on the partition plate; a fresh-keeping part for guiding atomized liquid nitrogen to flow is arranged on the partition plate, and a supporting part is arranged in the cabinet body; the adjusting mechanism comprises a penetrating opening formed in the safety part, a sealing part is arranged in the penetrating opening, a storage part and a limiting part are arranged on the supporting part, and an adjusting part is arranged on the limiting part; the auxiliary mechanism comprises a first fixing sleeve and a second fixing sleeve which are arranged in the cabinet body, a pushing part is arranged on the first fixing sleeve, a lifting part is arranged on the second fixing sleeve, and a guiding part is arranged on the lifting part. Through the arrangement of the fresh-keeping mechanism, the adjusting mechanism and the auxiliary mechanism, products in the cabinet body are quickly frozen accurately.

The utility model relates to the technical field of connectors for pipeline valves, and discloses a disconnection self-sealing split type copper connector for a pipeline valve with a leakage-proof function, which comprises a supporting column, a connecting column is slidably connected in the supporting column, and a first connecting rod is rotatably connected to the outer wall of the connecting column. The outer wall of the first connecting rod is rotationally connected with an expansion rod, the outer wall of the expansion rod is fixedly connected with a plugging sleeve, the outer wall of the expansion rod is rotationally connected with a second connecting rod, the outer wall of the second connecting rod is rotationally connected to the outer wall of the supporting column, and the outer wall of the supporting column is provided with a conveying assembly. The conveying assembly is used for assisting in fixing the supporting column. According to the rapid sealing device, the first connecting rod is driven to rotate through the connecting column, then the first connecting rod drives the second connecting rod to rotate through the expansion rod, and then the expansion rod can control the sealing sleeve to contract or expand, so that the effect that the conveying pipeline can be rapidly sealed when the conveying pipeline is disconnected is achieved; and the overall working efficiency is improved.

The utility model discloses a photovoltaic panel abutted seam sealing clamping piece, and relates to the technical field of photovoltaic panel installation. The device structurally comprises a bearing clamping piece, a rubber strip and a clamping clamping piece. The bearing clamping piece comprises a rectangular pipe body; two partition vertical plates arranged in the length direction of the rectangular pipe body are integrally formed on the upper surface of the rectangular pipe body, and the two partition vertical plates are symmetrically arranged relative to the split of the rectangular pipe body. The rubber strip is clamped on the photovoltaic panel frame; the clamping piece comprises a horizontal pressing plate; a clamping strip arranged in the length direction is integrally formed in the middle of the lower surface of the horizontal pressing plate. According to the utility model, the protruding parts are arranged on the opposite side surfaces of the clamping strips, and the groove parts matched with the protruding parts are arranged on the opposite inner walls of the separation vertical plates, so that nail-free mounting and clamping of the photovoltaic panel between the bearing clamping piece and the clamping clamping piece are realized, and the mounting stability and convenience are improved; the rubber strip is clamped on the frame of the photovoltaic panel, thereby achieving the sealing and waterproof effects, and improving the sealing performance of clamping and closing the longitudinal gap of the photovoltaic panel at the same time.

This invention discloses a three-dimensional adjustment device for railway crossing slabs and a construction method for treating crossing defects. The three-dimensional adjustment device (1) of this invention includes a cross-track bridge (11) and two lifting modules (12) installed on the cross-track bridge. The cross-track bridge has a crossbeam (111) and two support columns (112). The lifting modules include a fixed base (121), a rotating handle (123), and a lifting head (124). The fixed base is assembled on the crossbeam of the cross-track bridge, and a vertical screw mechanism is provided on the fixed base. The rotating handle is fixedly installed at the upper end of the screw (122), and the lifting head is rotatably mounted at the lower end of the screw, allowing the lifting head to rotate relative to the screw. Using this three-dimensional adjustment device in the construction method of this invention can significantly improve the efficiency of crossing defect treatment construction.

This utility model provides a fixture for testing the airtightness of irregular flanges, including a support platform, with a base fixedly connected to the surface of the support platform; a piston rod fixedly connected to the center of the bottom surface of the base, and the piston rod slidably connected inside a cylinder; a fixing plate fixedly connected to the top of the cylinder; multiple grippers rotatably connected to the surface of the fixing plate; multiple clamping plates installed on the side walls of the base, with the grippers slidably connected to the side walls of the clamping plates; a rubber sleeve installed on the surface of the base, with multiple positioning pins installed on the surface of the rubber sleeve; the positioning pins engage the irregular flange, the irregular flange is placed on the surface of the rubber sleeve, and the grippers abut and compress the side walls of the irregular flange. The fixture for testing the airtightness of irregular flanges provided by this utility model has the advantages of quickly fixing the flange and ensuring the sealing of the connection.

The application discloses a meat grinder convenient to clean, relates to the field of meat grinders, and comprises a rack, a machine box, a meat grinding cylinder assembly and a meat grinding assembly. After the rotating plate is opened, the rotating shaft is manually rotated, the inserting position of the rotating shaft and the inserting block is rotated to a horizontal position, one end of the rotating shaft is pulled out through the clamping groove on the outer surface of the rotating shaft, the rotating shaft is rotated with the connecting cylinder and the connecting rod as the center, after the rotating shaft drives the blade and the cutting part to rotate out of the inside of the fixed plate, the rotating shaft is pulled out outward, the rotating shaft is separated from the connecting cylinder, so that the rotating shaft is disassembled, the rotating plate is conveniently and quickly opened and closed through the hinged arrangement of the rotating plate and the fixed plate, the soft extrusion block is extruded through the connecting block, the extrusion of the sealing strip on the connecting part of the rotating plate is improved, the sealing effect is improved, the rotating plate and the fixed plate are conveniently and quickly disassembled, and the inside of the fixed plate and the rotating plate is convenient to clean.