20results about How to "Avoid locking failure" patented technology

This invention relates to a vehicle control method, a controller, and a vehicle. The control method includes: upon receiving a locking command, first controlling the wheel-end decouplers of the vehicle's differential to perform a coupling operation, and then controlling the differential lock of the differential to perform a locking operation. According to the vehicle control method of this invention, when the differential lock is locked, the wheel-end decouplers have already been coupled in advance. This avoids the locking failure problem caused by performing the locking operation in a wheel-end uncoupled state, as seen in related technologies, and ensures the normal operation of the differential lock.

This utility model relates to the field of esophageal temperature measurement technology and discloses an esophageal temperature measurement indwelling tube connector, including an indwelling tube. One end of the indwelling tube is provided with a tube head, and a connector body is provided on one side of the tube head. A positioning ring is integrally formed on one side of the tube head. Two slots are formed on the outer circumference of the positioning ring. A positioning groove is formed on one side of the connector body to cooperate with the positioning ring. An annular groove is formed on the outer circumference of the connector body, and the annular groove and the positioning groove have two communication points. A rotating ring is rotatably connected in the annular groove. Two locking blocks are integrally formed on the inner circumference of the rotating ring to cooperate with the slots. This utility model can effectively prevent the connector from loosening or rotating due to changes in patient position or external force during use, ensuring that the indwelling tube and the connector body always maintain a stable connection, reducing the risk of temperature measurement interruption due to connection failure.

This utility model discloses a backrest lock, including a base plate. A locking hook and a locking plate are movably disposed on the base plate. The end of the locking plate has a pull head for connecting and cooperating with an external car pull rod, so that when the pull rod is pulled, the locking plate swings to release the restriction on the swing of the locking hook. The inner wall of the locking hook has a positioning strip for synchronously moving along the swing trajectory of the locking hook when it swings. The inner wall of the base plate has a positioning structure that works in conjunction with the positioning strip to guide the swing trajectory of the locking hook and limit the direction of the hook's swing, and an auxiliary structure that works in conjunction with the positioning structure to limit the wobbling or loosening of the locking hook when it is subjected to vibration and to improve the smoothness of the hook's swing. This utility model solves the problems of unstable hook swing trajectory and insufficient positioning accuracy in traditional backrest locks, easy loosening or wobbling of the locking hook under vibration, and insufficient smoothness of the hook's swing leading to operational jamming.

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 utility model discloses a kind of general connecting structure of modularization splicing type ornament, including male connector, the right side of male connector is provided with female connector, first installation slot is fixedly connected with supporting block, sliding slot is opened on the right side outer wall of supporting block, sliding rod is fixedly connected in sliding slot, sliding block is movably sleeved on the outer wall of both sides of sliding rod, the outer wall of sliding block is fixedly connected with limit plate, the outer wall of limit plate is fixedly connected with triangular block, triangular groove is opened on the inner wall of both sides of second installation slot.The general connecting structure of modularization splicing type ornament, male connector supporting block, sliding block is pushed out by second spring thrust, drive limit plate to make triangular block embed female connector triangular slot, anti-vibration impact prevents axial loosening, lays the connecting foundation, male connector deflection plate is reset by torsion spring, strip block is clamped into female connector strip slot, transverse lock is complementary with longitudinal lock, and connection stability is greatly improved.

The utility model relates to water turbine technical field discloses detachable tubular water turbine guide vane locking device, water turbine guide vane and tubular water turbine with manual and hydraulic double locking function, the locking device includes the manual locking plate set up on the locking hole end face and installs the locking support on the guide vane outer ring, is provided with the locking cylinder on the locking support, the locking cylinder has the locking pin reciprocating in the locking cylinder in, the end of locking cylinder has the opening for the locking pin to pass through, the locking pin is cooperated with the locking hole, realizes water turbine guide vane hydraulic lock; The manual locking plate is equipped with through -hole, and the through -hole has locking bolt, the end surface of locking pin is provided with the locking screw hole of adapting with locking bolt, and locking pin is cooperated with locking bolt, realizes water turbine guide vane manual lock. The utility model will lock the support and combine on the guide vane outer ring, realizes the separation of locking support and runner chamber, and the locking device is detachable, not only is convenient for overhauling and simplifies runner chamber structure.

The utility model relates to the technical field of assembly type building construction, concretely is a kind of assembly type building wall body anti-seismic connecting node structure, including pedestal and the L-shaped structure on the pedestal, and the L-shaped structure is connected with the damper between the pedestal;The bottom end of the pedestal is provided with embedded part, the L-shaped structure includes horizontal L-shaped plate and vertical L-shaped plate that is vertically arranged on the horizontal L-shaped plate;The vertical L-shaped plate includes two fixed plates connected in right angle, the outside of two the fixed plate is respectively fixed with assembly box, each the fixed plate is all provided with the threaded hole that is connected with the inside of assembly box, threaded column is arranged on the threaded hole, and the threaded column is located on the end in the inside of assembly box and is equipped with handle and gear, the inside of assembly box is also provided with lifting plate, locking mechanism, damping spring and guide mechanism. Through the energy dissipation effect of damper, wall body can consume energy by displacement and deformation in earthquake, rather than directly transmitting rigid impact.

The invention belongs to the technical field of foldable bicycles, and particularly relates to a folding structure and a foldable bicycle. The device comprises an upper connecting piece; the lower connecting piece and the upper connecting piece are oppositely arranged in the vertical direction, the upper connecting piece and the lower connecting piece are in butt joint and matched to form a containing space, and the upper connecting piece and the lower connecting piece are rotatably connected through a hinge shaft. The locking structure comprises a locking block which is movably arranged in the accommodating space; the trigger assembly is rotatably mounted on the hinge shaft and is in driving connection with the locking block; when the triggering assembly is operated to rotate around the hinge shaft, the locking block can be driven to move in the containing space so that the locking block can be switched between the locking position and the unlocking position. At the locking position, the upper connecting piece and the lower connecting piece are relatively locked by the locking block; and at the unlocking position, the upper connecting piece and the lower connecting piece can rotate relatively. The folding structure is simple in structure, the rotating action of the triggering assembly can be accurately converted into the directional movement of the locking block through a transmission mechanism, and operation is easy and convenient.

The present application relates to the technical fields of power cable channel monitoring equipment, in particular to a cable honeycomb pipe online monitoring device, which comprises a flexible strain sensor, a wireless acquisition unit and an integrated body, the two ends of the cable honeycomb pipe body are provided with first and second connecting seats with tapered guide tables and guide grooves, the mating surface is provided with an annular air bag, the flexible strain sensor is connected between the pipe bodies, the locking chuck is matched with the compression sliding block, the reset spring, the compensation ring and the elastic damping ring in the second connecting seat to realize quick locking and anti-loosening; the second connecting seat is provided with a linkage groove, an elastic linkage plate, a linkage block and a pressing block, and the bending deformation is amplified and transmitted to the flexible strain sensor; the present application realizes the three-in-one monitoring of pipe body deformation, cable failure and pipe hole occupation, and has the advantages of deformation amplification, dynamic sealing and anti-loosening.

This utility model relates to the field of wall sleeve technology, specifically disclosing a leak-proof wall sleeve sealing structure. It includes an installation wall with a pre-embedded sleeve installed through its surface. A waterproof ring is fixedly connected to the outer surface of the pre-embedded sleeve. An inner pipe is installed in the cavity of the pre-embedded sleeve. Locking baffles are installed at both ends of the pre-embedded sleeve. A positioning groove is formed on the outer surface of the pre-embedded sleeve. A sliding groove is formed on the surface of the locking baffle, and a supporting slider is installed on the inner wall of the sliding groove of the locking baffle. This leak-proof wall sleeve sealing structure, through the cooperation of the L-shaped positioning groove, the sliding supporting slider, and the rotatable limiting disc, eliminates the need for the traditional "iron handle" that is easily blocked by pipelines. Workers can quickly complete the installation and removal of the locking baffle by simultaneously adjusting the supporting slider by rotating the limiting disc, significantly reducing operational obstacles in dense pipeline scenarios and improving maintenance efficiency.

The utility model belongs to telescopic joint locking technical field discloses a kind of telescopic joint locking mechanism for petroleum steel pipe stability, including outer locking ring, connecting piece, locking inner tube and baffle, the accommodating space is formed in the inside of outer locking ring, the connecting piece and locking inner tube are set in the inside of outer locking ring, the locking inner tube is movably inserted in the inside of connecting piece, the outer locking ring is fixedly connected with the locking inner tube by fixed pin, the baffle is set in the inner end surface of outer locking ring, the baffle is fixedly connected with the connecting piece by screw.The utility model in the quick insertion of outer locking ring and locking inner tube by fixed pin is set, in combination with the screw fixing mode of baffle and connecting piece, the modular assembly of telescopic joint locking mechanism is realized, locking and unlocking can be completed by only inserting or pulling out fixed pin, without disassembling multiple fasteners one by one, avoid the delay of operation caused by operation time-consuming too long.

The present application relates to the technical field of fuse, especially to a copper-aluminum composite fuse contact blade assembly, comprising a rivet jig mechanism for providing precise assembly space and applying controllable axial pressure, the interior of the rivet jig mechanism is provided with a separable contact blade mechanism, the contact blade mechanism comprises a positioning disc for providing axial limiting and circumferential anti-rotation, and the positioning disc is provided with a riveting block capable of forming permanent mechanical interlocking under pressure. The present application adopts a riveting assembly method to replace the traditional welding process, the expansion groove on the riveting end occurs radial plastic expansion under the action of axial pressure, which can make the riveting block and the positioning disc form permanent mechanical interlocking, completely avoiding the generation of welding defects such as virtual welding, blowhole and crack, compared with the traditional welding method, the present application does not need welding equipment and welding process control, the batch production qualified rate is high, and the product consistency and reliability are significantly improved.

This utility model discloses a locking component and connector for locking mating connectors, including a base, a connecting arm, an actuating protrusion, and a latching arm. The base has a boss on its top side, a guide rib on its bottom side, latching points on both sides, and a push button on its rear side. The connecting arm extends forward from the left and right sides of the base and connects through the latching arm. The bottom side of the cantilever on the connector housing has a latching groove and a clearance notch, and the bottom side also has a clearance groove communicating with the clearance notch. The actuating protrusion is formed on the top side of the connecting arm and can move between the clearance notch and the clearance groove. The base can switch between a pre-installed state and a locked state. In pre-installation, the latching points engage with the pre-installed latching holes on the connector housing, and the latching arm locks the cantilever. During insertion, the mating connector actuates the actuating protrusion to release the pre-installed state. This locking component provides stable pre-installation, convenient connector assembly, and reliable connection.

The invention belongs to the technical field of mechanical connection, and relates to a quick-release self-locking anti-loosening locker which comprises an inner core, a tight sleeve, a locking outer ring and a loosening button. The locking shaft is sleeved with the inner core, the inner core is a C-shaped pipe of a horn-shaped structure with the small upper end and the large lower end, and the upper end of the inner core extends outwards in the radial direction to form an upper limiting ring; the inner core is sleeved with the tight sleeve, the tight sleeve can move in the axial direction of the inner core, so that the state of the inner core on the locking shaft is switched between a free moving state and a locking state, and a spiral groove is formed in the tight sleeve; the locking outer ring sleeves the tight sleeve and can rotate relative to the tight sleeve, and a through hole is formed in the locking outer ring in the radial direction of the locking outer ring; the loosening button comprises an inserting rod, the inserting rod penetrates through the through hole, and the length of the part, exposed out of the inner end of the through hole, of the inserting rod is adjustable; when the exposed length of the insertion rod from the inner end of the through hole reaches the maximum, the insertion rod is inserted into the spiral groove, and when the exposed length reaches the minimum, the insertion rod leaves the spiral groove. Rapid self-locking and rapid loosening can be achieved, and meanwhile the anti-vibration loosening performance is achieved.

The utility model discloses a handle can be quickly disassembled, including base, locking block, operating part, driving part and retaining piece, the axial through groove and radial through groove of mutual intercommunication are constructed on the base, locking block movably sets up in radial through groove and is provided with the locking through groove of mutual intercommunication with axial through groove on it, and one side of locking through groove is provided with the thread section of adaptation with screw rod, operating part sets up on the base and is in abutment with locking block, and operating part has locking state and unlocking state, driving part sets up between locking block and base, is used for providing the driving force that thread section separates with screw rod, retaining piece sets up between operating part and base, is used for providing the driving force that operating part keeps in locking state, through for operating part providing the driving force that keeps in locking state continuously, ensure that thread section and screw rod stable engagement, avoid the locking failure of accidental touch result, also avoid the situation that lock in not unstable and lead to shaking, satisfy the use demand.

The application discloses a combined forming hydraulic machine with punching, forging and extruding functions and belongs to the technical field of metal processing. The combined forming hydraulic machine comprises a base and a machine body, the machine body is fixedly connected to the base, a top plate is further connected to the base through a sliding rod, and the combined forming hydraulic machine further comprises two groups of symmetrically arranged mounting plates, one group of the mounting plates is fixedly connected to the top plate, the other group of the mounting plates is fixedly connected to a driving end of the machine body, a forming part is detachably connected to the mounting plates, fastening screws are threadedly connected to the mounting plates, and the fastening screws are used for locking the forming part. The combined forming hydraulic machine is fully compatible with three core plastic forming processes of punching, forging and extruding, a plurality of single-process special hydraulic machines are not needed to be arranged, the equipment procurement cost and the site occupation area of an enterprise are greatly reduced, the comprehensive utilization rate of the equipment is effectively improved, and the combined forming hydraulic machine is suitable for the flexible production demand of small and medium-sized enterprises for multiple varieties and small batches.

The technical scheme belongs to the technical field of locksets, and particularly relates to a locking device and a safety lock, the locking device comprises a locking seat, a locking part on the locking mechanism is inserted into the locking groove to form a locking area; the limiting mechanism is mounted on the locking seat; the locking mechanism comprises a pin shaft assembly which is arranged in the locking seat in a sliding mode, and a first limiting part is arranged at the side end of the pin shaft assembly. The locking piece is arranged in the locking seat in a sliding mode and movably abuts against the limiting mechanism, and a second limiting part is arranged on the locking piece; the second limiting part movably abuts against the first limiting part to limit unlocking of the pin shaft assembly, and an external lock head is locked in a locking groove of the locking base through the pin shaft assembly of the locking mechanism. In order to prevent the pin shaft assembly from being opened, a locking piece is designed for protection; meanwhile, the limiting mechanism is additionally arranged, so that unlocking caused by movement of the locking piece is effectively prevented; and through the design of multiple locking structures, the safety of the locking device is improved, and the safety problem possibly caused by mistaken unlocking by children is effectively avoided.

This utility model discloses a crane hook anti-slip locking device, including a hook body, a mounting cover on the hook body, a sliding frame on the inner wall of the mounting cover, a limiting tooth on the inner wall of the mounting cover on one side of the sliding frame, a latch connected to the sliding frame and connected to the limiting tooth, a connecting plate on the sliding frame, an upper baffle hinged to the connecting plate, and a lower baffle hinged to the upper baffle. Upper and lower torsion springs with opposite rotation directions are located at the hinge point. A support plate is located on the upper baffle near the lower baffle, with the other side of the support plate located below the lower baffle. The beneficial effects of this utility model are that the mounting cover is connected to the hook body by a detachable connecting frame, and the elastic potential energy of the upper and lower torsion springs enables the baffle to automatically reset, ensuring reliable locking to prevent the suspended object from slipping when there is no external force; the support plate limits excessive rotation of the lower baffle, enhancing overall stability; the sliding frame, limiting tooth, and latch cooperate to adjust the position of the locking components, improving adaptability to different suspended objects.

The utility model relates to an air conditioner box frame structure, which belongs to the technical field of box frames and comprises a bottom plate, side plates and support legs, the side plates and the support legs are fixed on the upper side and the lower side of the bottom plate, a fixing structure is arranged on the bottom plate, and positioning structures matched with the fixing structure are arranged on the side plates. The fixing structure comprises a bearing plate and a clamping plate which are arranged above the bottom plate, a telescopic rod which is fixed on the lower surface of the bearing plate and penetrates through the interior of the bottom plate, and a first connecting rod which is hinged between the telescopic rod and the clamping plate; the fixing structure further comprises locking pieces which are arranged on the outer surfaces of the bottom ends of the telescopic rods and connected with the supporting legs. According to the air conditioner box body frame structure, when an air conditioner box body is placed on the bearing plate, the gravity of the air conditioner box body drives the telescopic rod to move downwards, the second connecting rod pushes the locking block to slide horizontally and be accurately inserted into the locking hole of the supporting leg, instant rigid connection between the bottom plate and the supporting leg is achieved, bolts or tools do not need to be manually operated, and the installation efficiency is greatly improved; and the problem of uneven manual locking force is avoided.