38results about How to "The lock state is stable" patented technology

The invention belongs to the technical field of heavy-load assembled building robots, and particularly discloses a rigid-flexible coupled deformable man-machine cooperation handle. The device comprises a U-shaped guide rail, a sliding mechanism arranged on the U-shaped guide rail in a sliding mode, a sliding rail locking device, a shear fork type telescopic device, a handle end locking device and a handle operation platform fixedly provided with an operation grip and a six-dimensional force sensor. The opening of the U-shaped guide rail faces upwards and is fixedly arranged on the back of the sucker mechanism; one end of the shear fork type telescopic device is rotationally connected with the handle operating platform through two rotary connecting rods, the other end of the shear fork type telescopic device is fixedly connected with the sliding mechanism, and a sliding rail locking device is arranged on the sliding mechanism; and a handle end locking device is arranged on one rotary connecting rod. The position of the handle can be flexibly adjusted and fixed, force interaction with the robot can be accurately achieved by means of the sensor on the handle, and the safety and efficiency of operation are all-dimensionally improved. The method can be widely applied to man-machine cooperation of prefabricated part installation.

This utility model belongs to the field of headband technology, and particularly relates to an adjustable headband. Its key features include: a first headband, of which there are two sets; a horizontal adjustment member, the two ends of which are respectively connected to the two sets of the first headband; a second headband, of which there are two sets, each set having a connecting member, and both sets of the second headband are slidably connected to the two sets of the first headband via the connecting members; the second headband also has a fixing member; and a plush cover, which is fitted over the first and second headbands and fixed to the second headband via the fixing member. Compared with the prior art, this utility model has better size adjustment capability to adapt to people with different head shapes.

This invention provides an adjustable-bend hemostatic delivery sheath for interventional treatment of the aortic arch, comprising a catheter sheath and a control mechanism. The control mechanism includes a base, a drive assembly, and a locking assembly. The drive assembly includes a drive ring rotatably mounted on the base and a transmission slider threadedly engaged with the drive ring. The transmission slider is fixedly connected to the proximal end of the adjusting wire and is restricted from axial sliding relative to the base. The locking assembly is disposed between the base and the connecting portion. The locking assembly includes a clamping block sleeved on the adjusting wire and a sliding ring axially slidably sleeved on the clamping block. The circumferential friction generated by the sliding ring squeezing multiple elastic clamping arms can reliably lock the adjusting wire.

This utility model provides a pipe clamp device, including a pipe clamp body, a locking band, a locking seat, and an elastic cantilever beam. The pipe clamp body has a receiving space. One end of the locking band is connected to the body via a folding part, and the other end has a rack. The locking seat is fixed to the body and has an insertion hole. One end of the elastic cantilever beam is fixed to the locking seat, and the other end has teeth extending in the same direction as the insertion direction of the rack. The teeth are offset towards the body under elastic force. After the rack is inserted into the insertion hole, the teeth engage with the rack's tooth grooves to prevent reverse withdrawal. This structure effectively improves locking reliability, has strong resistance to vibration and uneven expansion, and is suitable for fastening pipes and wire harnesses.

The utility model relates to window technical field, concretely relates to a kind of self-locking top-hung window system, including window frame and the top-hung window of rotation setting on window frame, including the bracing bar rotationally connected on window frame and the slide bar rotationally connected on top-hung window, the slide bar is slidably connected on bracing bar;It further includes limiting component, the limiting component includes the clamping portion of setting in the slot of slide bar end portion, a straight groove and multiple clamping grooves are set up on the bracing bar, each the clamping groove is communicated with straight groove, the clamping portion falls in clamping groove under the action of gravity, to lock the slide bar on bracing bar.Effort is made to rotate top-hung window, and top-hung window drives slide bar to move along the length direction of bracing bar, under the action of gravity, the clamping portion on slide bar falls in clamping groove, i.

The utility model relates to the technical field of clamp, disclose a quick clamping fixture with self -locking function, including base, the top of base is provided with clamping mechanism, the top of base is provided with self -locking mechanism, the clamping mechanism includes fixed block a, the inside sliding connection of fixed block a has push rod, the top left side fixed connection of push rod has fixed block b, the outside both sides fixed connection of fixed block a has linkage swing arm rod, the inner wall both sides fixed connection of linkage swing arm rod has hinged pin axle ring, the top of hinged pin axle ring is provided with adjusting assembly. In the utility model, through manual wrenching operation handle can realize the clamping and loosening of work piece, and the action is simple and direct, can let the operator fast on hand, effectively reduced the operation threshold, promoted the convenience of operation, ensured that work piece was not prone to displacement in the processing or processing process, and the precision and stability of operation were guaranteed.

This utility model discloses a telescopic blast-proof baton, relating to the field of police equipment technology. The telescopic blast-proof baton includes a handle, a switch assembly, a central tube assembly, and a small tube assembly. The switch assembly is located on one side of the handle, and the central tube assembly is located inside the handle. The central tube assembly includes a central tube, a central tube outer wall retaining ring, a central tube narrow damping ring, a central tube O-ring, a central tube end wide damper, and a metal drum. The central tube narrow damping ring employs an arc-shaped contact surface design consistent with the curvature of the central tube outer wall, significantly improving the contact with the central tube outer wall. Combined with optimized hardness selection, it avoids the problem of uneven damping force caused by insufficient contact with the central tube outer wall. When the damping ring hardness matches the contact, it avoids excessive friction due to high hardness and insufficient damping effect due to low hardness, ensuring that law enforcement officers can quickly deploy the baton in emergency situations.

The utility model discloses a tooth correction bracket structure, including bracket body and locking piece, one side of bracket body top is equipped with the installation platform, and the one end of installation platform is equipped with the stop position in the corresponding bracket body top, and the arch wire groove is equipped between the corresponding stop position and installation platform of bracket body, locking piece includes the solid stick and hollow cover of inside and outside arrangement of setting installation platform, and the upper end of locking piece can be with the sliding groove of setting in the lock piece bottom surface sliding cooperation, and can be with the locking slot snap -fit fixed of being located the both ends of sliding groove. Bracket body structure is used for cooperating lock piece structure and uses, and setting locking piece structure can make lock piece normal sliding on one side, and on the other side can make its fixed to lock piece when opening or closing arch wire groove, makes lock piece keep stable locking state when opening or closing arch wire groove, and then avoids the lock piece of appliance to shake in use, ensures appliance normal use.

The invention provides an adjustable bending hemostasis delivery sheath tube for aortic arch interventional therapy, the adjustable bending hemostasis delivery sheath tube comprises a catheter sheath and a control mechanism, the control mechanism comprises a base, a driving assembly and a locking assembly, the driving assembly comprises a driving ring rotatably mounted on the base and a transmission sliding block in threaded fit with the driving ring, and the transmission sliding block is in threaded fit with the driving ring. The transmission sliding block is fixedly connected with the near end of the adjusting wire and limited to axially slide relative to the base. The locking assembly is arranged between the base and the connecting part, the locking assembly comprises a clamping block arranged outside the adjusting wire in a sleeving mode and a sliding ring arranged outside the clamping block in an axially sliding and sleeving mode, and the adjusting wire can be locked extremely reliably through surrounding type friction force generated when the sliding ring extrudes the multiple elastic clamping arms.

A folding wing locking and releasing device and a test method in the form of a connecting rod structure belong to the field of wind tunnel testing. The present invention includes a test model, a model support rod and a folding wing, wherein the test model is mounted on the model support rod, and the folding wing is hingedly mounted on the bottom of the test model; it also includes a load-bearing connecting rod assembly, a wing locking hook and an unlocking assembly, wherein the load-bearing connecting rod assembly is mounted on the test model, and the load-bearing connecting rod assembly locks or releases the wing locking hook through the unlocking assembly, and when the load-bearing connecting rod assembly locks the wing locking hook through the unlocking assembly, the wing locking hook is connected to the folding wing by clamping. The research and development purpose of the present invention is to solve the problems of high test cost and low test quality in the existing locking and releasing methods in the wind tunnel test of folding wing deployment. The present invention can ensure the rapid deployment of the wing, and has low test cost and high test efficiency.

The utility model belongs to the technical field of nuts, and provides a hexagonal flange automatic locking nut which comprises a hexagonal nut head, a nut rod is fixedly connected to one side of the hexagonal nut head, threads are arranged on the nut rod, the threads penetrate through the threads to be connected with a hexagonal nut, an arc head is arranged at the end, away from the threads, of the nut rod, and the arc head is connected with the hexagonal nut. The hexagonal nut head is slidably connected with a pressing rod in a penetrating mode, the pressing rod is slidably connected into the nut rod in a penetrating mode, pushing rods are fixedly connected to the two sides of the end, away from the hexagonal nut head, of the pressing rod, and connecting rods are fixedly connected to the ends, close to the pushing rods, of the pressing rod. According to the hexagonal flange automatic locking nut, when the hexagonal flange automatic locking nut is tightened, the locking mechanism in the hexagonal flange automatic locking nut can still keep a stable locking state in a vibration environment, the hexagonal flange automatic locking nut is particularly important for equipment working under high-frequency vibration or impact load, the hexagonal flange automatic locking nut has excellent anti-vibration performance, higher locking force is achieved, and the hexagonal flange automatic locking nut is suitable for being used in a large-scale production line. Therefore, the nut can be more tightly attached to the threads after being tightened, and looseness is effectively prevented.

The utility model discloses an elliptic nozzle seat device of a dyeing machine. The elliptic nozzle seat device comprises a nozzle seat main body and an adjusting device, by arranging the adjusting device, namely pushing the whole nozzle main body, the connecting block can indirectly rotate the ratchet wheel, so that the ratchet wheel is matched with the locking block and the pressure spring which are arranged in the locking structure, intermittent inserting and locking are realized, the nozzle main body is ensured to be in a stable state after being adjusted, and the nozzle main body can stably adjust spraying; a locking structure is arranged, that is, the position of an inclined plane at the top of a locking block can be conveniently adjusted by pulling down and rotating a knob to meet the locking requirement of forward and reverse rotation of a ratchet wheel, so that the spray nozzle main body can be adjusted up and down and can be locked, and a limiting rod and a limiting groove are matched to ensure that the adjusted locking block is in a stable locking state; therefore, the use angle of the nozzle main body can be flexibly adjusted up and down and can be conveniently adjusted and locked.

The invention provides an auxiliary lock device for a rail vehicle door system, and belongs to the technical field of rail transit. A first partition plate and a second partition plate which are parallel to each other are formed on the front side of a base plate, rotating shaft holes are formed in the two partition plates, rotating shafts are arranged in the rotating shaft holes in a penetrating mode, the rotating shafts extend out of the upper ends of the rotating shaft holes of the first partition plate, and swing parts are arranged on the side walls of the rotating shafts. A swing rod sleeves the side wall of the rotating shaft between the two partition plates, a connecting rod is hinged to the end of the swing rod, the other end of the connecting rod is hinged to the end of the spring bolt, a reset torsional spring sleeves the rotating shaft, a vibration stopping hole is formed in one side of the connecting rod, and a vibration stopping shaft is fixed between the first partition plate and the second partition plate; and a vibration stopping tension spring is arranged between the vibration stopping shaft and the vibration stopping hole. The device is simple in structure and convenient to mount, and noise generated during operation is greatly reduced.

The utility model discloses a screwing type lockset, which comprises a lock catch, a locking piece and a locking piece, a driving guide hole and a driven guide hole are formed in the spring bolt; the spring bolt is in sliding connection with the linear guide rail of the spring bolt sleeve, and the driving guide hole is obliquely formed relative to the linear guide rail; the rotating handle comprises a rotating body, a driving eccentric shaft and a driven eccentric shaft which are connected with one another, the rotating body is rotationally connected with the spring bolt sleeve, the driving eccentric shaft is slidably connected with the driving guide hole, and the driven eccentric shaft is slidably connected with the driven guide hole; a bolt base; and an elastic member. The driving guide hole is obliquely formed relative to the linear guide rail, and when the spring bolt rotates to the middle stage of the stroke in the screwing direction, the spring bolt begins to hook the lock catch; after the lock tongue hooks the lock catch, the rotary handle continues to rotate in the screwing direction, and after the lock tongue completes the locking action, the lock tongue can be kept in a stable locking state.

The invention, which relates to the technical field of solar cell panel assembly, discloses a cell panel offline code scanning tool comprising a side portal frame, a sliding beam, a vertical sliding block, a follow-up locking mechanism and a code scanning probe. Cross beams are arranged on the two side portal frames; the two ends of each sliding beam are slidably connected with the top beams of the opposite side portal frames and the opposite cross beams correspondingly, horizontal sliding blocks are slidably connected to the sliding beams, and first mounting frames are fixed to the horizontal sliding blocks; the vertical sliding block is connected to a vertical rod of the side portal frame in a sliding mode, and a second mounting frame is fixed to the vertical sliding block. The follow-up locking mechanisms are connected between the end of the sliding beam and the top beam and between the end of the sliding beam and the cross beam, between the horizontal sliding block and the cross beam and between the vertical sliding block and the vertical rod and can achieve releasing and locking between the sliding body and the sliding body. The code scanning probe is installed on the first installation frame and the second installation frame. According to the invention, rapid adjustment of the position of the code scanning probe can be realized, and the structural stability after adjustment can be ensured.

This utility model discloses a side-mounted battery box mounting structure for electric bicycles, including a battery frame and a battery box. The battery frame has a mounting groove with a side opening, and the battery box is detachably mounted in the mounting groove. A locking mechanism is provided on the top of the battery frame. The locking mechanism includes a linkage assembly and a handle and a locking block coupled to its two ends. The top of the battery box is recessed downwards to form a locking groove corresponding to the locking block. When the handle is pressed down, the linkage assembly moves the locking block downwards and embeds it into the locking groove, thereby achieving a locking operation. The technical solution proposed by this utility model, by setting a locking mechanism composed of a handle, linkage assembly, and locking block, allows for locking and unlocking of the battery box by pressing or pulling the handle, effectively improving the convenience of battery box installation and removal.

The utility model discloses a high-strength aviation case with a protection function. The high-strength aviation case comprises supporting legs, a locking mechanism and an elastic supporting mechanism. The number of the supporting legs is four, the top ends of the four supporting legs are fixedly connected with the lower surface of a box body, a box cover is hinged to the upper end of the rear side face of the box body through hinges, and foam pads are arranged on the inner wall of the box body and the inner wall of the box cover respectively. The locking mechanism comprises first fixing blocks, inserting openings, supporting columns, second fixing blocks and mounting grooves, the first fixing blocks are fixedly connected to the left end and the right end of the front side face of the box body, the inserting openings are formed in the upper surfaces of the first fixing blocks, the second fixing blocks are fixedly connected to the left end and the right end of the front side face of the box cover, and the mounting grooves are formed in the second fixing blocks; according to the high-strength aviation case with the protection function, more powerful locking force can be provided, it is ensured that the aviation case is locked more firmly in the moving process, the risk of accidental falling is reduced, and therefore the safety of the aviation case is improved.

The invention relates to a sequential movable sliding rail assembly and a working method thereof. The sequential movable sliding rail assembly comprises a sliding rail and a sliding rail rear locking device. The sliding rail comprises an inner rail, a middle rail and an outer rail; the sliding rail rear locking device comprises a middle inner rail rear locking device arranged at the rear end of the outer side of the inner rail, a traction block rotationally arranged on the inner side of the middle rail, a locking block rotationally arranged on the outer side of the middle rail and a middle outer rail rear locking device arranged in the middle of the inner side of the outer rail, the rear end of the locking block is provided with a flange, and the front end of the inner side of the traction block extends out of a second straight wall. A guide edge extends out of the rear end of the outer side of the traction block, penetrates through the middle rail and is exposed out of the outer side of the middle rail. The sliding rail rear locking device is arranged, so that the sliding rail can be stably pulled open and closed through an automatic sequential locking function. Due to the locking between the middle rail and the inner rail and the locking between the middle rail and the outer rail, the possibility that the rails are separated from each other in the sliding rail pulling-out process is reduced.

The utility model relates to the technical field of meteorological monitoring, in particular to a sand storm concentration monitoring device which comprises a stand column, an electric control box installed on the upper side of the stand column, a bottom plate transversely and fixedly arranged at the top of the electric control box, a sampling detection head fixedly installed on the upper side of the bottom plate, and a protection mechanism arranged on the outer side of the sampling detection head. The protective net cover covers the outer side of the sampling detection head, a shielding cover is arranged at the top of the protective net cover, positioning pressing plates of arc-shaped structures are fixedly arranged on the left side and the right side of the position, close to the bottom, of the annular surface of the protective net cover, locking assemblies are arranged on the bottom plate on the outer sides of the positioning pressing plates, and the positioning pressing plates are fixed to the bottom plate through the locking assemblies. According to the utility model, the sampling detection head can be effectively protected from being impacted by a larger object carried in a sand storm through the arranged protection mechanism, and the protection effect on the sampling detection head is improved, so that the service life of the sampling detection head is prolonged, and the accuracy and continuity of sand storm monitoring are ensured.

The invention provides a multifunctional tool which outputs power enabling a workpiece to swing repeatedly through an output shaft and accommodates a receiving device used for keeping the workpiece on the output end of the output shaft, the receiving device comprises a receiving mechanism and a locking mechanism, the receiving mechanism has two working positions, and when the receiving mechanism is in the closed position, the locking mechanism is in the locked position. When the receiving device is in the opening position, the workpiece can fall onto the receiving mechanism or be separated from the receiving mechanism, and when the receiving device is in the opening position, the workpiece is stably kept on the output shaft by the receiving device and cannot fall off even when the output shaft runs at a high speed. The locking mechanism comprises an operating piece capable of changing the working position of the receiving mechanism and a locking piece for keeping the working position of the receiving mechanism; when the operating part is used, the receiving mechanism is forced to move from the open position to the closed position, and the workpiece held on the receiving mechanism is released at the moment; when the receiving mechanism is in the closed position, the locking piece can limit the receiving mechanism to move towards the open position under the condition that the operating piece is not used.

The invention relates to the technical field of steel springboards, in particular to a heavy construction steel springboard with a self-locking anti-skid mechanism, which comprises a main body pedal, a main hook and an auxiliary hook, a driving mechanism and a locking mechanism are arranged in the main hook, and the driving mechanism rotating around the vertical direction drives the locking mechanism to lock or unlock the main hook; the main hooks and the auxiliary hooks on the two sides of the body pedal are arranged in a central symmetry mode with respect to the center of the body pedal. During lap joint, the main hooks and the auxiliary hooks on the adjacent main body pedals abut against each other, and the outlines of the main hooks and the auxiliary hooks are complementary; the surface, abutting against the main hook, of the auxiliary hook is provided with a space for containing the locking mechanism. A cam transmission and spring reset mechanism is arranged in the hook in a hidden mode, an operator operates from the top face of the springboard, the vertical rotation action is converted into horizontal locking displacement, vertical independent pulling-out of the single springboard is achieved, and the overall bearing capacity and the antifouling capacity of the platform are improved through end interlocking.

The present invention relates to the field of automobile radiator detection technology, specifically to an automobile radiator detection device and a detection method, comprising a wet detection platform and a water tank arranged on the wet detection platform, a placing table is arranged inside the water tank, a vent pipe is arranged through one side of the placing table, a clamping component is arranged near the placing table at the vent pipe, and a locking sealing component is arranged at one end of the vent pipe near the placing table. The present invention has the function of clamping the automobile radiator, so that the entire automobile radiator will not shake during the clamping process, and the air tightness of the entire radiator will not be affected when air is injected into the radiator. At the same time, the deformation of the annular sealing ring can completely block the gap between the liquid injection port and the vent pipe, ensuring that no air leakage occurs during the entire detection process, and can also provide a certain buffer during the entire process, so that when the annular sealing ring is squeezed at the liquid injection port, the entire liquid injection port will not be damaged due to excessive impact.

The walking type belt conveying all-in-one machine with the stable movement comprises a frame chassis, guide rails, a rigid frame, a strip-shaped tooth piece and clamping teeth, the two sets of guide rails are arranged on the surface of the frame chassis, the guide rails are in sliding connection with the rigid frame through sliding block connecting pieces, the strip-shaped tooth piece is arranged between the guide rails, and the clamping teeth are arranged between the strip-shaped tooth piece and the rigid frame. The strip-shaped tooth piece is fixedly installed on the frame chassis, a gear is arranged on the strip-shaped tooth piece in a meshed connection mode, and clamping teeth are arranged on one side of the gear; according to the walking type belt conveying all-in-one machine with the stable movement function, the sliding block connecting piece is installed on the guide rail, the rigid frame moves on the guide rail, the belt conveying frame is further driven to adjust the position, the position of the clamping teeth on the strip-shaped tooth piece is controlled through the arranged strip-shaped tooth piece, the gear, the clamping teeth and the pull switch, and the operation is convenient. The locking state can be stabilized conveniently, and the stability of the rigid frame in the moving or standing process is improved.

The utility model belongs to the technical field of manual tools, and discloses an art knife which comprises a shell, a knife rest, a pushing assembly, a blade and an elastic element. A first port is formed in the side ridge of the shell; a second port is formed in the top; the tool rest is arranged in the shell and provided with a meshing tooth part. The pushing assembly is movably arranged in the tool rest in the first direction and partially extends out of the first through opening. The blade is arranged in the tool rest, is connected to the pushing assembly and can extend out of or retract into the second through opening under driving of the pushing assembly, and the plane where the meshing tooth part is located is perpendicular to the plane where the blade side face is located; the elastic element pushes the assembly to be in limited connection and can be meshed and positioned on the meshing tooth part; the pushing assembly can abut against the elastic element when moving in the first direction so that the elastic element can be disengaged from the meshing tooth part in the second direction. The first direction is parallel to the extension direction of the blade. The second direction is perpendicular to the plane of the blade side. The art knife has left and right hand universality, and the locking reliability of the blade can be improved.

The utility model discloses a tray, which comprises a base, a swing seat hinged with the base at the middle position, and a locking device, the swing seat can obliquely swing left and right relative to the base, a moving plate of the locking device is loaded on any one of the swing seat and the base, and a locking hole is arranged on the other one of the swing seat and the base. And when the insertion part of the movable plate enters or leaves the locking hole, the tray can be switched to be in a locking state or a swinging state. The swinging seat can swing to relieve the fatigue of the user due to long-time sitting and reduce the compression injury and disease of the spine due to long-time sitting; when a user does not need to swing the swing seat, the locking device switch can be triggered to lock the swing function of the swing seat; the stay wire is matched with the pressure spring to control the moving plate to move, so that the state of the tray is changed, the locking implementation mode is simple in structure and easy to operate, and the flexible stay wire enables a switch for controlling the length of the stay wire at the terminal of the stay wire to be arranged at any position where a user can operate conveniently.

This utility model relates to the technical field of snow melting machine equipment, and discloses a snow melting machine with a pull-type locking rod. The utility model includes a snow melting machine body, a material cylinder adapted to the snow melting machine body, and a locking rod movably connected to the snow melting machine body. The locking rod has a travel groove, and a limiting member is provided on the snow melting machine body, the movement path of which is limited within the travel groove. The material cylinder has a buckle, and the locking rod has a locking groove. Pressing the locking rod causes the buckle to be gradually pulled into the depth of the locking groove and locked. This utility model has the advantages of convenient use and a firm locking mechanism.