38results about How to "Realize automatic locking" patented technology

The utility model discloses a control box device for fresh air handling unit belongs to fresh air system control equipment technical field. The device includes the box body of installing in the one -way air duct of fresh air handling unit, and the opening direction of box body is perpendicular with the wind direction and has the outer open box door of hinged, and the door opening direction of box is the adverse wind direction, and the door closing assembly contains the vertical pressure -bearing plate, and one end is fixed to the outside of box door, and the other end is inclined to the direction of away from the box body and forms the pressure -bearing surface. The component of force that the airflow acts on the inclined pressure -bearing surface generates is converted into the door closing moment, realizes the automatic locking of box door. The problem that the control box in the air duct leads to the sealing failure of air flow impact, the operation difficult problem is solved, and the box door is locked by wind energy, and the sealing reliability is improved significantly, and the stability of equipment under the vibration, high pressure difference working condition is enhanced.

The connector comprises the connector socket and the matched connector plug, the connector socket comprises a socket shell, the plugging end of the socket shell comprises a threaded head and a clamping groove section which are axially connected, the threaded head is arranged at the front end of the clamping groove section, and the clamping groove section is arranged at the rear end of the threaded head. Wherein an external thread is formed on the outer cylindrical surface of the thread head, an outer wall clamping groove is formed in the outer cylindrical surface of the clamping groove section, and the outer wall clamping groove is formed in the insertion direction of the head seat. Through structural improvement, the device can be compatible with a quick locking mode connection and a threaded connection mode at the same time, the quick locking mode connection can facilitate insertion, the time consumed by insertion and separation of the headstock is effectively shortened, and quick locking and unlocking separation of the headstock joint are achieved.

The utility model discloses a kind of light steel structure reinforcing devices for railway locomotive, it is related to steel structure technical field.The utility model includes fixed assembly, connecting assembly being installed on fixed assembly and crossbeam being installed on connecting assembly, fixed assembly includes the fixed frame with trapezoidal limit slot and first limit piece, connecting assembly includes the connecting frame with trapezoidal lug, second limit part and guide pillar, crossbeam is slidably matched with the crossbeam guide slot on connecting frame by guide block.The utility model realizes quick positioning by the cooperation of trapezoidal groove and lug, completes automatic locking using spring pressing effect, realizes mechanical self-locking by the linkage of guide pillar and cross rotating piece, effectively prevent vibration loosening, simultaneously, quick disassembly is realized by the movement of T-shaped slider in L-shaped limit sliding groove, ensure the reliability of connection, and improve installation and maintenance efficiency.

The application discloses a welding tool for a hair cover lock cross beam assembly, and relates to the technical field of welding tools.The welding tool comprises a base, a supporting frame is fixedly installed on the top of the base, a welding table is installed on the top of the supporting frame, and the welding table is used for placing the hair cover lock cross beam assembly.A positioning mechanism is arranged on the surface of the welding table, and a plurality of positioning mechanisms are arranged.The positioning mechanism is used for fixing the hair cover lock cross beam assembly.The device adopts a pluggable assembly structure of a positioning rod, a strip-shaped protrusion on the outer side of the positioning rod is guided and matched with a positioning groove in the inner wall of a rotating shaft, and the positioning rod can drive the rotating shaft to rotate after being inserted.The first butt joint hole of the rotating shaft and the second butt joint hole of the sleeve are rotatably aligned and conductive to the internal air path, so that each group of positioning mechanisms can be independently installed and flexibly arranged, can be freely arranged at any station on the outer periphery of a workpiece according to the shape contour and size specification of the workpiece, the structural layout is flexible, the positioning and clamping requirements of different working conditions can be adapted, and the universality is significantly improved.

The invention discloses a connector plug with a quick locking structure and a connector, the connector plug comprises a plug shell and a connecting cap, the connecting cap forms a cavity along the axial direction, the connecting cap sleeves the plugging end of the plug shell, the connecting cap can rotate relative to the plug shell, an elastic member is arranged in a gap between the plug shell and the connecting cap, and the elastic member is connected with the cavity. And two ends of the elastic piece are respectively contacted with the plug shell and the connecting cap. According to the device, through structural improvement, the problem that an existing threaded connection locking technology is inconvenient to operate can be effectively solved, insertion connection can be facilitated, the time consumed by insertion connection and separation is effectively shortened, and rapid locking and unlocking separation at the connecting position are achieved.

The utility model relates to the technical field of molds, and discloses an automatic locking structure of a three-layer mold, which comprises an upper fixing plate, a runner plate and a female mold plate, the bottom of the female mold plate is fixedly connected with a base, a locking component is mounted outside the base, a demolding component is mounted in the middle of the female mold plate, and the upper fixing plate is fixedly connected with the runner plate. The top of the upper fixing plate is fixedly connected with a plastic inlet; the locking assembly comprises a shell, the shell is fixedly connected to the outer side of the base, a movable block is rotationally connected to the middle of the shell, a connecting rod is fixedly connected to the outer portion of the runner plate, and an empty groove is formed in the connecting rod. According to the utility model, the movable block is clamped and matched with the empty slot, so that automatic locking during mold closing is realized, the positioning columns of the upper fixed plate are inserted into the positioning holes of the runner plate and the female mold plate, accurate alignment during mold closing of the three-layer mold plate is guaranteed, molding deviation is reduced, mold plate dislocation during injection molding is avoided, and the dimensional accuracy and surface quality of a product are improved.

The utility model discloses a mould ejection structure which comprises a driving assembly, an ejection assembly and limiting assemblies, the driving assembly is connected with the ejection assembly and drives the ejection assembly to eject, the limiting assemblies are arranged on the two sides of the ejection assembly, the ejection assembly comprises a first ejection plate and a second ejection plate arranged below the first ejection plate, and the first ejection plate is connected with the second ejection plate. The driving assembly is connected with the first ejector plate, a first ejector pin is arranged on the first ejector plate, a second ejector pin is arranged on the second ejector plate, the second ejector pin penetrates through the first ejector plate, mounting bases are arranged at the two ends of the first ejector plate, locking assemblies are arranged at the two ends of the second ejector plate, and when the ejector assemblies are located below the limiting assembly, the locking assemblies and the mounting bases are locked. And when the ejection assembly moves to the limiting assembly, the locking assembly is separated from the mounting base, and the first ejection plate and the second ejection plate are unlocked. According to the ejection mechanism, two-section ejection can be achieved through one driving assembly, and the occupied space of the ejection mechanism is reduced.

The embodiment of the invention provides an automatic opening and closing lifting appliance and a lifting method thereof, and relates to the technical field of mechanical lifting equipment. The invention aims to solve the problems of high safety risk and low alignment efficiency caused by manual close-range operation of the existing lifting appliance. The middle part of the lifting hook assembly is hinged to the lifting appliance main body, so that the stressed end and the hooking end of the lifting appliance main body form a lever structure: when the stressed end is subjected to lifting tension, the hooking end swings outwards and is automatically locked by utilizing the gravity of a component; after the component lands, the pulling force is reduced, and the hooking end automatically swings inwards to be unhooked under the action of gravity. And the guiding and positioning device extends out of the hooking end below the lifting appliance main body and is in contact with a component firstly during descending, and the hooking end is automatically guided to be accurately aligned with a lifting part by utilizing a mechanical guiding principle. Automatic alignment, automatic locking and automatic unhooking can be achieved without manual intervention, the unhooking risk and surface damage are eliminated, and whole-process automation of hoisting operation is achieved.

This utility model relates to the field of hydraulic equipment technology and discloses a hydraulic center frame mechanism with a brake, including two linear guide rails and a workpiece. A clamp and a slider are slidably sleeved on the upper surfaces of both linear guide rails. A first base is fixedly installed on the upper surfaces of the two clamps and sliders. A control device is fixedly installed on the upper surface of the first base. Multiple reinforcing brackets are fixedly installed between the control device and the first base. A hydraulic center frame base is fixedly installed on one side of the control device. Two second clamping mechanisms and a first clamping mechanism are fixedly installed on the front surface of the hydraulic center frame base. A clamping sleeve mechanism is fixedly installed on the front surface of each of the two second clamping mechanisms. By adding an automatically locking clamp to the hydraulic center frame, automatic locking is achieved after the center frame moves to a designated position, reducing manual intervention and increasing the automation level of the equipment.

The application relates to the technical field of solid insulation ring network cabinets, in particular to a solid insulation ring network cabinet, which comprises a cabinet body, the inner part of the cabinet body is respectively provided with a phase unit module, an operating mechanism module and an insulation support module, the phase unit module, the operating mechanism module and the insulation support module are mutually independent modules, and the phase unit module, the operating mechanism module and the insulation support module are respectively independently formed through split type automatic pressure gel pouring; the phase unit module, the operating mechanism module and the insulation support module are respectively independently formed through split type automatic pressure gel pouring, so that the solid insulation ring network cabinet is compact in structure after being assembled and formed, space is saved, the cabinet body width can be reduced from the traditional 500 mm to about 350 mm, space is saved and the transformation cost is reduced, meanwhile, the situation that a whole pouring cabinet is scrapped due to local problems is avoided, and the operation and maintenance cost and the whole life cycle cost are greatly reduced.

The application discloses a buckle structure and a plug-in circuit breaker. The buckle structure comprises a button, a sliding piece, a buckle and a shell. The buckle is rotationally arranged in the shell and is provided with a flange capable of extending out of the shell. The sliding piece is slidingly arranged in the shell and is connected with the buckle in linkage. The button is movably arranged in the shell and is connected with the sliding piece in linkage. The button can drive the buckle to rotate to make the flange extend out of or retract into the shell through the sliding piece. The button has a first position and a second position. When the button is in the second position, the button blocks the rotation of the buckle. When the circuit breaker is inserted into the cabinet, the flange automatically retracts and automatically pops out to lock after being in place, realizing plug-and-lock. When being pulled out, the button needs to be pulled to make the flange retract, and then the circuit breaker can be pulled out, so that the circuit breaker can be pulled out after being opened. When being closed, the button blocks the rotation of the buckle, so that the flange cannot retract, and the circuit breaker cannot be inserted into the cabinet. The application realizes double safety protection functions, effectively avoids the risk of electric shock caused by live insertion and removal, and has compact structure and convenient operation.

The utility model discloses an automatic locking placing rack for flasks, which comprises a base, at least two supporting arms are arranged at the upper end of the base, and each supporting arm is movably connected with the base through a corresponding elastic buckle assembly. The supporting arm movably connected with the base is arranged on the base through the elastic buckle assembly, the supporting arm rotates by a certain angle under the gravity action of the flask to achieve automatic locking of the flask, and when the flask is lifted upwards, the supporting arm resets through the elastic buckle assembly to achieve unlocking of the flask. The adjustable screw rod can lock and reinforce the sesame seed cake, the operation is very convenient, the safety is greatly improved, and the device is suitable for flasks with different specifications and flexibly adapts to various experiment requirements.

The utility model relates to the field of belt, concretely relates to a chute type self -locking belt fastener and belt assembly. The chute type self -locking belt fastener includes the buckle head frame, is equipped with the longitudinal belt passageway inside, sliding part is transversely inserted in the frame, can move along the longitudinal direction, the oblique chute is equipped with in the frame both sides, and the sliding part is through the inclined surface self -locking principle and is pressed tightly when moving along the chute. Compared with the prior art, the application does not need to carry out the punching, the pressure tooth etc. operation on the belt, avoids the damage to the belt, reduces the processing capacity simultaneously, keeps the belt integrity and the aesthetic degree, prolongs the service life of belt.

This invention discloses a quick-release CNC machine tool fixture, comprising a fixed base, a quick-change worktable, and a mobile fixture trolley. The fixed base is mounted on the machine tool worktable and includes a lower positioning part and a passive locking component. The quick-change worktable includes an upper positioning part and an automatic locking assembly. The mobile fixture trolley includes a storage unit and a worktable transfer mechanism. The automatic locking assembly includes a housing, a drive column, a spring, and a locking ball; the passive locking component is a locking column with a locking recess. When the quick-change worktable is pressed against the fixed base, the locking column inserts into the locking groove, and the spring pushes the drive column to engage the locking ball in the locking recess, achieving self-locking. When the worktable transfer mechanism lifts the quick-change worktable, the drive column moves upward, and the locking ball disengages from the locking recess, achieving unlocking. The storage unit is a rotating multi-layer storage rack, and the worktable transfer mechanism uses a hook to grasp a lifting ring and cooperates with an electric cylinder and a lateral drive component to complete the transfer. This invention achieves quick and automatic fixture replacement.

The present application relates to an automatic locking mechanism, comprising: an inner sleeve having a circumferential first lateral opening; an outer sleeve rotatably sleeved on the inner sleeve and having a circumferential second lateral opening, the outer sleeve having a first position in which the second lateral opening is aligned with the first lateral opening and a second position in which the second lateral opening is away from the first lateral opening; a first reset biasing member applying a biasing force to the outer sleeve to reset towards the second position; a first locking portion comprising a first lock cylinder mounted on the inner sleeve and a first lock stopper mounted on the outer sleeve, when the outer sleeve is in the first position and no material is placed in the inner sleeve, the first lock cylinder is locked with the first lock stopper and prevents the outer sleeve from returning to the second position; a second locking portion comprising a second lock cylinder mounted on the inner sleeve and linked with the first lock cylinder and a second lock stopper mounted on the outer sleeve, when the outer sleeve is in the first position and material is placed in the inner sleeve, the second lock cylinder is locked with the second lock stopper and prevents the outer sleeve from returning to the second position.

The utility model discloses an intelligent identification sound and light guide shared shelf device adopts lamp area, including cabinet, layer board, baffle, pilot lamp, RFID read-write ware, camera, touch -control screen, loudspeaker, electronic lock and base etc.

The invention relates to the technical field of electromechanical components, and discloses a quick-locking sealing connector which comprises a plug and a socket, the plug comprises a contact pin, a cable and a conical screw, the socket comprises a shell and a jack which is formed in the shell and corresponds to the plug, and a copper core climbs along an external thread which is gradually shrunk under manual assistance and is tightly wound on a rod part of the conical screw. The copper cores are arranged more orderly and normatively, bidirectional fastening between the copper cores and the conical screws, circumferential holding and limiting of the threads on the copper cores and winding and restraining of the screws by the copper cores can be achieved, the overall connection strength is greatly improved, external force such as vibration and pulling can be effectively resisted, loosening and falling are avoided, the structure can adapt to the copper cores of different lengths, and the service life of the copper cores is prolonged. The too long copper core can be wound for multiple circles, the too short copper core can be attached for few circles, the length of the copper core does not need to be trimmed like a traditional structure, meanwhile, the copper core attached in a climbing mode and the screw form stable large-area conductive contact, the remaining copper core is stored and positioned in cooperation with the containing hole, and conductive point positions are further increased.

The utility model discloses a kind of layer board drawer structures, including drawer seat, drawer board, a pair of sliding seat, a pair of sliding frame and drop lock assembly, sliding seat is located on the both sides of drawer seat, sliding frame is located at the bottom end both sides of drawer board, and sliding frame is slidably arranged on sliding seat;Drop lock assembly includes first stop rod, second stop rod and linkage rod, first stop rod and second stop rod movably set at the both ends of sliding frame, one end of linkage rod is fixed with first stop rod, the other end of linkage rod is below second stop rod;The end away from main frame on sliding seat is formed with stop groove, first stop rod or second stop rod can be clamped in stop groove, to limit the movement of sliding frame;The both ends of first stop rod are fixedly provided with pull rod.The utility model is characterized in that the layer board drawer structure can realize automatic drop lock when opening or closing, and the operation process of releasing drop lock is simple.

The invention discloses an automatic locking device and a telescopic drill rod thereof, and belongs to the technical field of engineering machinery. The automatic locking device comprises an upper connecting base, a telescopic oil cylinder, a lower connecting base, a sliding block and a locking block. The upper connecting base is used for being fixedly installed in the telescopic drill rod, and the lower connecting base is connected with the upper connecting base through the telescopic oil cylinder. The lower connecting seat is of a conical barrel structure with a wide top and a narrow bottom, and a sliding rail is arranged on the outer surface of the lower connecting seat in the vertical direction; the sliding blocks are installed on the sliding rails in a sliding mode, and each sliding block is fixedly provided with a locking block. The telescopic oil cylinder drives the lower connecting base to ascend and descend, the sliding block slides along the sliding rail and drives the locking block to horizontally stretch out and draw back, and automatic locking and unlocking are achieved. The invention further discloses a telescopic drill rod comprising the automatic locking device. Automatic locking and unlocking of the drill rod can be achieved, manual intervention is not needed, the construction efficiency is remarkably improved, and the requirement for full-process automatic construction is met.

The utility model relates to a POS machine fixing device and a power bank storage cabinet, the POS machine fixing device is arranged outside a storage cabinet body, the power bank storage cabinet comprises a supporting seat, the supporting seat is connected with the storage cabinet body, the supporting seat is provided with a wire passing hole and a limiting piece, and the limiting piece abuts against a POS machine located on the supporting seat from the periphery; the protection shell is arranged outside the supporting seat in a sleeving manner, the protection shell is provided with an operation port right facing the POS machine, and the inner wall of the protection shell is provided with a lock hole; the locking assembly is arranged on the supporting seat, the locking assembly comprises a driver and a locking piece, and the driver drives the locking piece to be inserted into the lock hole. According to the POS machine storage cabinet, the POS machine can be detachably connected with the storage cabinet body, the POS machine can be replaced and upgraded conveniently, the POS machine can be locked, and the phenomenon that the POS machine is lost is reduced.

This utility model relates to the field of metal wire rope testing technology, and more particularly to a high-temperature environment tensile simulation testing device for metal wire rope. The technical solution of this utility model is as follows: a high-temperature environment tensile simulation testing device for metal wire rope includes a test box, a controller, an electric push rod, a connecting rod, a rangefinder, and a sensing block. The controller is fixedly connected to the right side of the test box, and the electric push rod is fixedly connected to the rear of the test box. The electric push rod is electrically connected to the controller. A connecting rod is fixedly connected to the telescopic rod of the electric push rod, and the front part of the connecting rod extends into the interior of the test box. A rangefinder is fixedly connected to the top of the test box and is electrically connected to the controller. A sensing block is fixedly connected to the top of the connecting rod and is electrically connected to the rangefinder. This utility model uses the controller to control the start and stop of the electromagnet, realizing the automatic locking and releasing of the sealed door, improving operational safety and sealing performance; a large gear drives the small gears on both sides to rotate the screw.

The utility model discloses a hopper elevator convenient to hopper dismounting, including conveying frame and the conveying mechanism of being connected in conveying frame, the conveying mechanism is including motor, conveying belt, the motor is used for driving conveying belt operation, the conveying belt is provided with a plurality of hoppers, the bottom of hopper is connected with the connecting plate, the connecting plate is matched with the connecting seat of being connected in conveying belt, the connecting seat is connected with the positioning mechanism for the positioning of connecting plate, the both sides of connecting plate are provided with the connecting groove, the positioning mechanism links with connecting groove. The utility model can improve the stability that connecting plate links with connecting seat, namely hopper links with conveying belt steady, realizes to hopper quick installation, and the tension of exerting to U shape draw plate, and pulls two tooth plate synchronous movement, and the rotation of tooth plate drive gear, and synchronous belt drive positioning plate rotation, makes positioning plate end and corresponding connecting groove separate, realizes to connecting plate unfasten, and the convenient dismounting of hopper, high efficiency.

The utility model relates to the technical field of fluid measurement, and provides an electromagnetic flowmeter convenient to disassemble and assemble, which comprises a flowmeter, the side surface of the flowmeter is in threaded connection with a protective shell, a control panel is arranged in the protective shell, and the circumferential surface of the flowmeter is fixedly connected with a nameplate, a connector and a pipeline. And convenient mounting and dismounting devices are arranged at the two ends of the pipeline. The transmission plate slides on the outer surface of the pipeline, the L-shaped locking block and the connecting column achieve locking and loosening of the flowmeter through the manual locking ring, and the tension spring provides reset force. And the clamping jaws are fixed on the connecting pipeline, so that the connecting stability is ensured. According to the utility model, the quick assembly and disassembly of the flow meter are realized through the convenient assembly and disassembly device. The transmission plate slides on the outer surface of the pipeline, the L-shaped locking block and the connecting column achieve locking and loosening of the flowmeter through the manual locking ring, and the tension spring provides reset force. According to the technical scheme, the problem of fluid measurement in the prior art is solved.

The utility model discloses a kind of feed mixing devices for livestock and poultry breeding, it is related to feed mixing technical field.The utility model includes mixer, the side fixed connection of the mixer has poking mechanism, the poking mechanism includes driving bevel gear, the front side fixed connection of the mixer has first motor, the output of the first motor is fixedly connected with first transmission shaft, one end of the first transmission shaft is fixedly connected with driving bevel gear, the side of the driving bevel gear is engaged with driven bevel gear, the driven bevel gear is fixedly connected with first sprocket by pivot, the side of the first sprocket is provided with second sprocket, the utility model is by being provided with mixer and poking mechanism, using first motor drive driving bevel gear and driven bevel gear engagement, horizontal power is converted into vertical direction, then through sprocket drive driving rod and drive movement plate swing, form power transmission chain, directly drive poking tooth to carry out horizontal poking to center agglomerated feed.

This invention provides a device and method for machining internal threads of a tee pipe fitting, relating to the technical field of internal thread machining equipment. The invention includes a bottom support frame, with a fixing plate mounted on the upper end of the bottom support frame. A first mounting seat is fixedly mounted on the upper end of the fixing plate, and a second mounting seat, adjustable horizontally in the XY axis direction by a servo motor, is provided on the upper end of the fixing plate. A milling cutter is mounted on the second mounting seat. A limiting part is rotatably mounted on the side of the first mounting seat near the second mounting seat, wherein the limiting part can clamp and fix the tee to be machined. This invention adopts a double clamping and positioning structure of inner support and outer clamping. The inner support expands outward from the inside of the workpiece port to form an inner wall support, and the radial clamping arm, in conjunction with the clamping strip, clamps synchronously from the outer wall, ensuring that the tee to be machined and the turntable remain precisely coaxial, avoiding radial movement and eccentric rotation of the workpiece during machining.

The utility model relates to the field of false tooth processing, and particularly discloses a tooth processing mould convenient to disassemble and assemble, which comprises a first mounting plate and a second mounting plate, the upper end face of the first mounting plate is fixedly connected with a first clamping plate, and the upper end face of the second mounting plate is movably provided with a second clamping plate through a fine adjustment mechanism. The first mounting plate and the second mounting plate are detachably connected through a clamping mechanism; the clamping mechanism comprises two sliding rods fixedly connected to the interior of the first mounting plate, the outer walls of the two sliding rods are slidably connected with two symmetrically-distributed sliding plates, and one-way insertion and automatic locking of the second mounting plate are achieved through the design of the sliding rods, springs and slope clamping rods of the clamping mechanism and the cooperation of sawtooth grooves of insertion rods. And clamping can be relieved only by rotating the rotating shaft during disassembly, and the clamping distance is accurately adjusted by combining a threaded rod of the fine adjustment mechanism, so that the mold body can be quickly disassembled and assembled and can be stably clamped, the operation efficiency is remarkably improved, and the fixing requirements of molds of different specifications are met.

The utility model relates to a lithium battery pack which comprises a battery cell support, a battery cell assembly arranged on the battery cell support and a protection circuit board arranged on the side face of the battery cell support and used for managing charging and discharging of the battery cell assembly, and the battery cell assembly comprises a plurality of battery cells and a plurality of first connecting pieces connected to the positive electrodes and the negative electrodes of the battery cells. The first connecting piece comprises a first connecting end, the protective circuit board comprises a connecting point corresponding to the first connecting end and a fastener, and the first connecting end is locked at the connecting point through the fastener, so that the first connecting piece is conducted with the protective circuit board. According to the lithium battery pack designed by the utility model, potential adverse effects caused by tin soldering are avoided, and meanwhile, the production efficiency of the battery pack is improved.