134results about How to "Prevent accidental opening" patented technology

This utility model relates to the field of material pressing equipment technology and discloses a user-friendly material pressing machine, including a frame, a material barrel fixed on one side of the frame, a pressure plate inside the material barrel, and several first and second sealing rings installed on the outer side of the pressure plate through grooves. The first and second sealing rings are used to seal the gap between the material barrel and the pressure plate. A connecting plate is fixed on the top of the material barrel, and two cover plates are hinged to the top of the connecting plate. A hydraulic cylinder is provided on the top of the cover plate. The push rod of the hydraulic cylinder moves downward, thereby driving the pressure plate to move downward inside the material barrel to apply uniform pressure to the material, so that the material is effectively squeezed. Several first and second sealing rings are installed on the outer side of the pressure plate through grooves. The multiple sealing rings form a reliable high-pressure sealing barrier to ensure that the medium does not leak under high pressure, ensuring the sealing safety of the equipment in high-pressure, high-viscosity, and high-frequency operation scenarios, and enabling the equipment to operate stably under various complex and harsh working conditions.

The application relates to a folding box, and relates to the field of folding storage boxes, which comprises a box body and a cover plate installed on the box body, a first locking assembly for fixing and connecting the cover plate to the box body is arranged on the cover plate, and a handle for a user to exert force with one hand is arranged on the cover plate. The application has the effect that when the user needs to carry the folding box with one hand, force can be exerted through the handle, so that the folding box can be kept in a relatively stable state during carrying, and the convenience of the user to carry the folding box with one hand is improved.

The embodiment of the present application provides a sewage tank and a cleaning device, the sewage tank comprises a tank body and a solid-liquid separation piece, the tank body has an inlet channel, a negative pressure port, a first chamber and a second chamber, the inlet channel is used for conveying sewage to the first chamber under the action of a negative pressure source; the second chamber is communicated with the first chamber; the solid-liquid separation piece is installed in the first chamber, the solid-liquid separation piece is used for filtering solid sewage conveyed from the inlet channel into the first chamber, and liquid sewage is conveyed into the second chamber through a first communication channel. The sewage tank and the cleaning device provided by the embodiment of the present application, the ground brush is provided with the sewage tank, compared with the related art that the sewage tank is arranged on the machine body, the gravity center of the machine body can be reduced, and then the user can use conveniently. Then the loss of sewage and garbage in the transmission process can be reduced, the cleaning efficiency is improved, and it is ensured that the sewage on the surface to be cleaned can be rapidly and effectively collected.

The utility model discloses a hemodialysis concentrated solution packaging bag, and relates to the technical field of hemodialysis packaging bags, the hemodialysis concentrated solution packaging bag comprises a vertical packaging bag, a bag body and a material nozzle, the top end of the bag body is provided with a bag opening, the material nozzle is in heat seal connection with the bag opening, the bag body is in heat seal connection with a handle, and the material nozzle is provided with an inner cover; the wrist ring comprises a wrist ring and a wrist ring, the wrist ring comprises an inner cover and an outer cover, the anti-mistaken-opening mechanism comprises an outer cover, a first moving groove and an elastic piece, the first moving groove is formed in the inner wall of the outer cover, and the outer side of the inner cover is movably connected with the inner wall of the first moving groove. The packaging bag is limited at the wrist position, the packaging bag is effectively prevented from falling on the ground, the mistaken opening prevention function is achieved through the mistaken opening prevention mechanism, the situation that the cover is accidentally opened due to mistaken touch or other reasons in the non-use state is effectively avoided, concentrated liquid is prevented from being polluted, and the quality of dialysate and the use safety are guaranteed.

The utility model relates to the technical field of medical instruments, and discloses a nursing liquid food supply device which comprises a box body, a liquid food barrel is arranged in the box body, a sliding plate is connected to the inner wall of the liquid food barrel in a sliding mode, a sealing ring is fixedly connected to the bottom of the sliding plate, and sliding strips are fixedly connected to the left side and the right side of the inner wall of the liquid food barrel. Grooves are formed in the left side and the right side of the outer wall of the sliding plate and the left side and the right side of the outer wall of the sealing ring correspondingly, the two grooves are slidably connected with the corresponding sliding strips correspondingly, a box cover is arranged at the top of the box body, and a large gear is rotationally connected to the front side of the inner wall of the box cover. According to the utility model, after the liquid food is filled into the liquid food cylinder, the controller controls the motor to start to drive the pinion and the bull gear to be in meshing transmission, so that the threaded rod rotates, further the sliding plate and the sealing ring are pushed to slowly move downwards along the sliding strip, the liquid food is extruded to flow out from the liquid food pipe, nutrition support is provided for a patient, and the piston rod can be cleaned by detaching the box cover.

The utility model discloses a waterproof, dustproof and antiskid kraft paper box, which relates to the technical field of paper boxes, and comprises an outer box body, an outer box cover is arranged above the outer box body, the outer box body is provided with a sealing assembly, the sealing assembly comprises an inner box body arranged on the inner wall of the outer box body, the upper surface of the inner box body is provided with a sealing groove, and the inner box body is provided with a sealing cover. A sealing inner cover matched with the cross section of the sealing groove is mounted on the lower surface of the outer box cover, mounting pieces are connected to the bottoms of the two sides of the outer box cover, magnetic attraction blocks are mounted on the mounting pieces, and magnetic attraction grooves matched with the magnetic attraction blocks are formed in the outer side wall of the outer box body; according to the utility model, a primary physical barrier is formed through the interference fit of the sealing inner cover and the sealing groove, so that the compressed tight fitting is ensured, water vapor and dust are blocked, a secondary locking force is provided by combining the adsorption of the opposite magnetic poles of the magnetic attraction block and the groove, the accidental opening during transportation is prevented, and the silica gel waterproof adhesive tape is additionally arranged on the sealing contact surface to form double sealing.

The utility model relates to fire prevention technical field discloses fire -fighting is with fire -retardant curtain door quick fuse release mechanism, including door frame, the front side of door frame is opened with mounting slot, the inside rear side fixedly connected with protection cover of mounting slot, the front side top right end of door frame is fixedly connected with support plate, the top fixedly connected with temperature detector of support plate, the front side middle upper part left end of door frame is fixedly connected with smoke transducer, the front side middle left end of door frame is fixedly connected with power, the front side middle lower part left end of door frame is fixedly connected with fuse. In the utility model, temperature detector and smoke transducer monitor environmental temperature and smoke concentration, once temperature sharply rises to preset value or is smoke concentration overproof, make heating pipe rapid heating, make fuse quick fuse, lose the special grade fire -retardant curtain door of restraint, under the action of gravity automatic falling, form fire -proof barrier, increase fire -retardant partition effect.

The detachable car roof assembly with the folding tent and the lifting top cover comprises connecting rod jacking mechanisms on the two sides, at least three sets of frame-shaped frameworks, tent cloth, the top cover and a base, the two sides of the bottom face of the top cover are installed on the two connecting rod jacking mechanisms, and the bottoms of the two connecting rod jacking mechanisms are installed on the two sides of the top face of the base; the connecting rod jacking mechanism comprises a fixed rod, a movable rod, a long rocker, a short rocker, a long connecting rod, a short connecting rod, a hook lock and an electric supporting rod, the lower ends of the long rocker and the short rocker are hinged to one end and the middle of the fixed rod respectively, and the upper ends of the long connecting rod and the short connecting rod are hinged to the two ends of the movable rod respectively; the middle of the hook lock is hinged to the upper end of the long rocker, the two sides of the frame-shaped framework are hinged to the connecting rod jacking mechanisms, the top face of the tent cloth is fixed to the top faces of the connecting rod jacking mechanisms, and the periphery of the tent cloth is fixed to the frame-shaped framework. The detachable roof is formed by combining the tent with the self-locking jacking mechanism and the frame-shaped framework, the application function of the detachable roof is expanded, and multifunctionality and convenience are achieved.

The anti-falling net capable of being quickly spliced for bridge construction comprises a woven net located inside and an outer enclosure located outside, the edge of the woven net and the outer enclosure are wound and bundled together, hooks are fixedly connected to a plurality of joints of the outer enclosure, and the hooks are connected with the woven net through bolts. The notch of the hook is movably connected with a spring buckle, and the spring buckle can only be pressed inwards. The anti-falling net has the advantages that the anti-falling net is high in deploying and splicing speed and safer, the hook is similar to a climbing hook, the spring buckle is pressed, the hook can be hung on a steel cable, then the spring buckle is reset, the self-weight pin falls down due to the self weight, the end of the self-weight pin abuts against the inner side of the spring buckle, the spring buckle can be effectively prevented from being opened accidentally, one more insurance is provided, and meanwhile the damping rotating ring is designed. The silica gel sleeve is sleeved on the lower portion of the hook and made of silica gel materials, and the surface is divided into a first green layer and a second red layer. During construction, inspection personnel quickly check hidden dangers by observing the color of the swivel (green is in a safe state).

The utility model relates to packing technical field especially is a color box with three -dimensional folding structure, including top, protective sleeve and bottom plate, the bottom plate front and rear both ends are equipped with second side plate, and its left and right ends are equipped with first side plate, the first side plate and the bottom plate between and the second side plate and the bottom plate between all are equipped with folding line, the first side plate and the second side plate can be folded and stand up, form three -dimensional box body structure, the first side plate and the second side plate between through several snap fastener buckling fixed, strengthened structural strength and box body stability, the bottom of the four edges of box body is equipped with the protective sleeve, and the four corners of the bottom of protective sleeve and bottom plate bottom are clamped and are connected, are fixed, prevent falling off, the protective sleeve not only has played the protection function, still strengthened the compactness of box body connection, prevent the box body to scatter, prolong its life, the convex strip of top bottom is installed in the clearance between extension plate and second side plate, prevents the top accidental opening, protects the article in the box.

This utility model relates to the field of door and window building materials, and particularly to a retractable invisible screen window, including a supporting side beam. A beam connecting seat is horizontally inserted into the cavity at both ends of the supporting side beam. A transverse support beam is vertically installed on each of the beam connecting seats on both sides. A rewinding unit is provided on the transverse support beam. A locking unit is vertically slidably fitted between the transverse support beams on their inner wall grooves. The locking unit includes a locking mechanism, a limit buckle, a lock mounting beam, and a buckle mounting seat. This utility model achieves mechanical interlocking between the locking device and the limit plug, requiring the locking device to be rotated to align with the slot before pulling the operating block to unlock, effectively preventing children from accidentally opening the screen. Furthermore, an elastic traction rope synchronously pulls the limit buckles on both sides, combined with the bottom locking buckle head, to achieve double-sided linkage locking, effectively improving the connection's firmness.

The utility model discloses a key dispensing upper cover air tightness testing device, which belongs to the technical field of air tightness testing, and comprises a tool for testing air tightness, a positioning seat is arranged in the tool, the tool is positioned in a groove III, and an instrument panel of which the air tightness is to be tested is arranged in the tool; the rear end of the positioning seat is fixedly connected with a driving mechanism, the front end of the driving mechanism is rotatably connected with the top of a pressing plate, and the front end of the top of the pressing plate is fixedly connected with two hasp base plates. Uniform-speed opening and closing of the pressing plate and controllable adjustment of pressing speed and force are achieved through the air cylinder driving mechanism, impact force is prevented from damaging a precise instrument panel, and meanwhile the adaptability of equipment to jigs with different heights is enhanced through the stroke adjusting characteristic of the air cylinder; a rotating pair mechanism formed by the flip cover base and the single lug seat ensures that the pressing plate is stably turned over along a fixed axis, deflection errors generated by traditional hinge connection are eliminated, and it is guaranteed that the press-fit position is accurately repeated.

The utility model discloses a water turbine generator unit machine head cover access door lock self locking device, including door body structure, rotation cooperation department, rotating part and eccentric lock tongue, the through -hole who is connected with rotation spare part department is provided on the door body structure, the rotating part is swinged and is arranged in rotation cooperation department, eccentric lock tongue is connected with rotating part, this scheme is driven eccentric lock tongue to rotate through rotation and makes the door frame structure to be clamped into between eccentric lock tongue and door body structure, because of the existence of eccentric lock tongue, when manual locking, eccentric lock tongue relies on gravity and friction force to realize locking, the gravity of eccentric lock tongue is downward at this time, because generator unit is in the vibration state for a long time, eccentric lock tongue will vibrate synchronously, and the clearance between door frame and door body structure is gradually reduced, while the clearance is gradually reduced, eccentric lock tongue, under the condition of being vibrated, will continue to move downward, and gradually locks, realizes self locking.

The utility model discloses a pair of glass ampoule cutting pliers which comprises a first pliers handle and a second pliers handle, a connecting mechanism is arranged in the middle of the outer surface of the first pliers handle and the middle of the outer surface of the second pliers handle, and one end of each of the first pliers handle and the second pliers handle is fixedly connected with a pliers mouth. According to the glass ampoule cutting pliers, through the arrangement of the clamping groove and the scribing piece, the clamping groove ensures that the bottleneck of the glass ampoule is firmly fixed in the pliers mouth during cutting, the bottleneck is prevented from sliding or shifting in the cutting process, the accuracy of the cutting position is guaranteed, and the scribing piece is located in the middle of the clamping groove and just corresponds to the cutting point of the bottleneck of the glass ampoule; according to the utility model, non-uniform cutting traces caused by unfixed scribing positions are avoided, the cutting process is more stable, the generation and splashing of glass fragments are reduced, the risk that medical personnel are scratched by the glass fragments is reduced, the possibility of liquid medicine leakage or pollution caused by improper cutting is avoided, and the working efficiency is improved. And the working efficiency of nursing personnel and the medication safety of patients are improved.

The utility model relates to composite film packing bag technical field, especially is composite film packing bag outlet structure of integrated flow guide nozzle, including packing bag, the top of packing bag is installed with flow guide nozzle, the outer wall fixedly connected with base of flow guide nozzle, the outer wall of flow guide nozzle is connected with the thread cap of screw thread, the outer wall of thread cap is provided with sliding ring, the top of flow guide nozzle is provided with the slot, the inner wall of slot is provided with the clamping groove, the outer wall of thread cap is provided with the rotating cap of sleeve, the inner wall of rotating cap is provided with the sliding slot, the inside of sliding slot is provided with the sliding block, the inner wall top of rotating cap is fixedly connected with spring, the bottom of spring is fixedly connected with the pressing plate, the top of flow guide nozzle is provided with the pressing plate groove, the bottom of pressing plate and the inner wall bottom of pressing plate groove are in close contact, the inner wall top of rotating cap is fixedly connected with annular plugboard, the bottom of annular plugboard is provided with the clamping strip. The utility model effectively prevents children from opening the packing accidentally due to twisting the rotating cap at will, and avoids the waste and pollution caused by the leakage of content.

This utility model discloses an instrument for detecting high-strength bolts in wind turbine generator sets using a phased array detector. The instrument includes a main body, a base, a cover, a locking structure, and a drive component. The base has an upwardly inclined opening, and the cover is hinged to the base, allowing it to cover or open the opening. The locking structure includes an unlocking drive unit and a locking latching unit. The locking latching unit is fixed to both sides of the opening in the base, and the unlocking drive unit is rotatably connected to the cover. When the cover covers the opening, the two latch and lock. One end of the drive component is hinged inside the base, and the other end is hinged to the cover. After unlocking, it provides a force away from the opening to the cover, achieving automatic opening. This design allows the cover to protect the internal structure when the instrument is stored, and eliminates the need for complete removal during use. The operator can easily unlock the cover, which opens automatically, facilitating testing, saving time, improving efficiency, and preventing accidental opening of the cover during transportation and storage, thus protecting the instrument and improving its safety and lifespan.

This utility model provides a geotechnical investigation sampling box, belonging to the field of geotechnical engineering investigation and sampling. The technical solution is as follows: a geotechnical investigation sampling box includes a soil sample box, with an upper and lower cover respectively installed at both ends. A label box is installed on the top of the upper cover. The label box includes a base and a lid. The bottom of the base is fixedly connected to the top of the upper cover, and the top of the base has a mounting groove for storing labels. The lid is located above the mounting groove, and the lid and base are rotatably connected. A locking mechanism is provided on the lid to lock it onto the base and seal the mounting groove. The beneficial effect of this utility model is that by encapsulating the labels inside the label box, it not only achieves independent protection for the labels but also effectively maintains their integrity over a long period.

This utility model discloses an automatic spring-back mechanism for cage doors in elevators, relating to the technical field of automatic spring-back cage doors for elevators. It includes a cage, with a spring-back component fixedly installed at the bottom of the cage. A fixed shell is fixedly connected to one side of the cage, and a groove is formed on one side of the fixed shell. A magnet is movably connected to the inner wall of the groove. This automatic spring-back mechanism for elevator cage doors works by pulling the cage door outwards, causing each component to move in sequence, stretching the first spring. The process is smooth and natural, easy and effortless to operate. After entering, releasing the cage door causes the spring force of the first spring to automatically spring the cage door back and close, eliminating the need for manual operation. It is convenient and efficient. When it is necessary to secure the cage door, the magnet adheres to the groove, stably and reliably fixing the cage door to prevent accidental opening and ensuring the safety of items or animals inside the cage. This design combines automatic spring-back and convenient securing functions, simplifying the process of opening and closing the cage door while enhancing the safety and stability of the cage door, providing great convenience for users.

The present application relates to the technical field of new energy comprehensive utilization, in particular to a geothermal photovoltaic hybrid power generation system for water environment, which comprises a floating platform, a support plate arranged above the floating platform, a support frame arranged on the support plate, and a photovoltaic panel installed on the support frame; a maintenance cabin is arranged below the floating platform, a maintenance opening is formed on one side of the maintenance cabin, and an openable maintenance cover is arranged at the maintenance opening; a sealing ring is arranged between the maintenance cover and the maintenance opening; a guide rail is arranged inside the maintenance cabin, a coil pipe frame is arranged in the maintenance cabin and can be pulled and moved along the guide rail, and heat exchange coil pipes are arranged on the coil pipe frame; a second mounting plate is arranged on the other side of the maintenance cabin, a joint pipe is arranged on the second mounting plate, and the joint pipe is communicated with a water supply pipe and a return water pipe; the water supply pipe and the return water pipe are used for being communicated with a geothermal heat exchange loop; and a flushing interface is arranged on the maintenance cabin and communicated with the inside of the maintenance cabin.

The utility model provides a box door locking structure of a baby incubator and the baby incubator, and relates to the technical field of medical equipment, the box door locking structure comprises a lock tongue mechanism arranged on a box door and a lock hole mechanism arranged on a box body, the spring bolt mechanism comprises a first lock seat arranged on the outer side of the box door and a second lock seat arranged on the inner side of the box door, a first spring bolt is slidably connected to the first lock seat, an elastic piece is arranged between the first spring bolt and the first lock seat, a second spring bolt is rotatably connected to the inner side of the first spring bolt, one end of the second spring bolt is rotatably connected with the second lock seat, and the other end of the second spring bolt is rotatably connected with the second lock seat. The lock hole mechanism comprises a first lock hole formed in the outer side of the box body and a second lock hole formed in the inner side of the box body, and the elastic piece pushes the first spring bolt to be inserted into the first lock hole in the natural stretching state and drives the second spring bolt to be rotationally inserted into the second lock hole to form double locking. The double locking mechanism greatly reduces the risk that the box door and the box body cannot be effectively locked due to busy work or operation negligence of medical staff.

The utility model relates to wireless earphone equipment technical field, specifically is a kind of closure switch structure of wireless earphone charging bin, including shell, fixedly connected with fixed plate on shell, rotary connection has pivot on fixed plate, shell cover is rotatably connected with pivot, the inside installation of shell has earphone fixing sleeve, first magnetic ring is fixedly connected in earphone fixing sleeve, shell cover is fixedly connected with the second magnetic ring that can be inhaled with first magnetic ring, shell cover is fixedly connected with plug block, plug block is equipped with slot, shell is slidably connected with button, shell inside is slidably connected with connecting plate, button is fixedly connected with connecting plate, connecting plate is fixedly connected with the clamping strip that can be with slot clamping, first spring is fixedly connected between connecting plate and shell;The stability of charging bin after closing is improved by the double fixing mode of start-stop structure, even if subjected to external force impact, jolt, also can avoid shell cover accidental opening, prevent earphone from falling off from charging bin.

The utility model discloses a kind of anti-airflow interference's material carrying mechanism for riveting equipment, it is through being arranged with the first limit block, second limit block and movable element with limit slot linkage with material table, using movable element in first position by limit slot to the mechanical rigidity constraint formed to first limit block and second limit block, effectively resist the strong airflow impact accompanied in rivet conveying process, fundamentally prevent that material table is accidentally opened when receiving material, ensure that rivet is reliably received and accurately positioned. Significantly improve the stability and reliability of equipment work, reduce the production efficiency loss caused by material blockage, shutdown, while overall structure is simple and compact, easy to realize and control, manufacturing cost is low, very suitable for use in the pneumatic feeding occasion of riveting industry.

The invention discloses an anti-rollover protection structure of a constant-temperature wine cabinet. The anti-rollover protection structure comprises a cabinet body, the limiting mechanism comprises a rectangular groove formed in the lower end of the cabinet body, a lifting plate capable of ascending and descending is arranged in the rectangular groove, the lower end of the lifting plate is fixedly connected with a limiting base, rectangular sliding grooves are formed in the two sides of the limiting base correspondingly, and rectangular inserting strips capable of sliding are arranged in the two rectangular sliding grooves correspondingly; the device comprises a limiting seat, a trigger mechanism is arranged in the limiting seat, a mounting plate is mounted on the ground, two first vertical plates are symmetrically and fixedly connected to the upper end of the mounting plate, and rectangular openings are formed in the two first vertical plates. When the protection structure is used, the situation that the wine cabinet rolls over can be effectively avoided, the actual safety is improved, in addition, when the protection structure operates, the bottom of the wine cabinet can be completely sealed, and the situation that dust and impurities enter the bottom of the wine cabinet is avoided.

The utility model discloses a kind of unlocking structure of door lock, including door lock panel and knob assembly, the knob assembly includes the knob seat fixed on door lock panel and the unlocking knob rotationally arranged on knob seat, the locking spring being provided on the knob seat, the lower end portion of the locking spring and knob seat abut, and its upper end portion and the lower end surface of unlocking knob abut;The lower end portion of the unlocking knob is connected with the linkage shaft connected with lock cylinder, the outer lateral wall of this linkage shaft is provided with limit lug, the door lock panel is provided with the limit slot compatible with limit lug, the locking spring drives limit lug and limit slot cooperation, linkage shaft is locked on door lock panel;So that people cannot be unlocked by rotating unlocking knob and driving lock cylinder;Prevent children in door from misopening door lock, eliminate security risk;Use unlocking knob to replace door handle, so that door lock structure is more simple and generous, so that door lock appearance is more beautiful.

The utility model discloses a kind of humic acid potassium and humic acid sodium's forming processing device, it is related to chemical product processing technical field.The utility model includes drying cabinet, is provided with oscillation filtering mechanism and buckle mechanism on the drying cabinet, the oscillation filtering mechanism includes filter assembly and power assembly, the filter assembly includes the cylindrical box of fixedly connected in the right side inner wall of drying cabinet, the inner wall of cylindrical box is fixedly connected with annular block, the inner wall sliding connection of cylindrical box has filter plate, a plurality of spring telescopic rods are fixedly connected between the annular block and filter plate, chute is set up on the cylindrical box.The utility model is through setting oscillation filtering mechanism, solved the forming processing device of current humic acid potassium and humic acid sodium when using, when using spray drying forming method, it is inconvenient to clean the filter plate of air outlet, part product can be attached on filter plate, to reduce the forming efficiency problem of product.

The utility model relates to a steam box door locking structure related technical field, concretely is a kind of steam box door locking mechanism, including box and box door, the front end one side outer wall of box door is equipped with side plate, the side of side plate is provided with locking groove, first mounting block is installed on box door through installation groove, the side of first mounting block is connected with second mounting block, the rear portion of right-angle handle is rotatably connected in second mounting block, the rear end of right-angle handle is connected with the locking block matched with locking groove, the middle part of right-angle handle is provided with concave block to lock, the upper portion of first mounting block is provided with pressure relief passage, and the top end of first mounting block is installed with pressure relief exhaust component at the position corresponding with pressure relief passage, the locking mechanism is limited to the rotation of right-angle handle by concave block, prevent external force from touching right-angle handle and lead to door opening, and the risk of high pressure door opening can be avoided by the cooperation of pressure relief passage and pressure relief exhaust component.