41results about How to "Fast self-locking" patented technology

The invention discloses a master-slave minimally invasive vascular interventional surgery remote operation system and belongs to the technical field of medical equipment. The system comprises a doctor control platform, a master-end control computer, visual feedback detection equipment, a wire and tube guiding manipulator, a slave-end control computer and a slave-end pose adjusting platform. The doctor control platform conducts motion of simulating the medical behavior of guiding a tube and a wire according to operation of a doctor and transmits motion information corresponding to the motion to the master-end control computer; the master-end control computer transmits the received motion information as a motion control command to the slave-end control computer; the slave-end control computer transmits the received motion control command to the wire and tube guiding manipulator; the wire and tube guiding manipulator moves according to the received motion control command and then conducts the medical behavior on a patient. Through the system, intervention can be completed according to operation information of the doctor, haptical information can be fed back to the doctor in real time, and therefore safety and operability of interventional surgery are improved.

The invention discloses a pose mechanical-adjusting movable platform, and belongs to the technical field of medical facility. The pose mechanical-adjusting movable platform comprises a six-connecting-rod manipulator, a turntable, a lifting mechanism and a base; the lifting mechanism is mounted on the base, and motion and self-locking, in the vertical direction, of peripheral equipment mounted on the movable platform are realized; the six-connecting-rod manipulator is mounted on the lifting mechanism, and translation in a horizontal plane and adjustment and locking for rotation in the vertical direction, of the peripheral equipment, are realized; the turntable is mounted on the six-connecting-rod manipulator, and adjustment and self-locking for the rotation, of the peripheral equipment, around the central line of the turntable are realized; the base is used for supporting an adjusting mechanism comprising the six-connecting-rod manipulator, the turntable and the lifting mechanism, and realizing translation and turning of the adjusting mechanism on the ground. Through the mechanical mechanism, the platform realizes supporting and adjusting functions, improves the precision, stability and safety of an operation, and conveniently realizes fixed connection and separation of a slave terminal system and a hospital bed.

The invention relates to the field of electric bicycles, in particular to a multi-functional anti-theft alarm battery and an electric bicycle using the battery. Each battery unit has a unique identification code; the battery unit, a vibration sensor module A, a voice speaker module, a charge and discharge control module, a power switch and a bus instrument system control module are all connected to a state information acquisition and processing module; and positive electrodes of serially connected battery units are connected to a positive electrode of a power interface to provide power externally through the charge and discharge control module and the power switch in sequence. According to the electric bicycle provided by the invention, the position variation of the anti-theft battery can be detected; a warning can also be sent out continuously even though the power is cut off in case of theft; each battery unit has the unique identification code, can be self-locked to stop power supply of the battery when the identification code is inconsistent, and cannot be used on other electric vehicles even though the battery is stolen successfully; the problem of easiness in stealing of the battery is solved; a wiring harness is simplified; and the production efficiency is increased.

The invention relates to a portable multi-purpose quick self-locking fixture. The fixture comprises a clamping device, wherein the clamping device adopts a wedge clamping mechanism, the wedge clamping mechanism comprises a wedge column (11) and rollers (12), a piston rod mounting screw hole is formed in the back end surface of the wedge column (11), and the rollers (12) are arranged on two sides of the wedge column (11). Compared with the prior art, the fixture has the beneficial effects as follows: clamping self-locking is controlled by the aid of a single air source, and the fixture can clamp a to-be-machined part firmly and realize quick self-locking in an instant and can also release the to-be-machined part in an instant after machining is completed, so that the mounting and dismounting efficiency is substantially improved; the fixture is high in universality and applicable to machining equipment such as machining centers, gang drills, drilling machines, milling machines, special machines and the like; the fixture is small in shape and portable, an air cylinder can be used as a handle when the self-locking fixture is required to be moved on a workbench, thus quick movement is realized, and then machining of multiple to-be-machined planes or machining in multiple steps such as surface reaming, tapping, hole drilling, hole reaming and the like is realized.

The present invention relates to an easy-to-plug waterproof fiber optic connector, comprising an adapter assembly and a connector assembly, is characterized in that the adapter assembly comprises an adapter cylinder, wherein a front chamber and a rear chamber are respectively arranged inside the adapter cylinder, and a inscribed cylinder is arranged in the front chamber, a claw is arranged betweenthe inscribed cylinder and the inner wall of the adapter cylinder, a hook is arranged in the rear chamber, a nesting is arranged at rear end of an inner bore of the inscribed cylinder, and the nesting extends to the rear chamber, a ceramic sleeve is provided inside the nesting; and the connector assembly comprises a connector cylinder, wherein sealing rings configured for the inner bore of frontchamber of the adapter cylinder are disposed on front periphery of the connector cylinder, an elastic jacket is sleeved onto the middle front portion of the connector cylinder, a card slot configuredfor the adapter claw is arranged on outer periphery of the connector cylinder in the elastic jacket, a ferrule assembly is arranged in the inner bore of the connector cylinder, and front end of the ferrule assembly and the inner bore of front portion of the adapter cylinder are configured with each other. The fiber optic connector not only has compact structure, reasonable setting, good waterproofperformance, but also is easy to plug and has reliable connection.

Disclosed is a support drill jig structure for drilling a double lug piece part. The support drill jig structure for drilling the double lug piece part comprises a drill jig body and a lug piece support, wherein a drill jig hole and a through hole connected with the lug piece support are formed in a drill jig plate of the drill jig body, a compression hole vertical to the through hole and a compression bolt are further located on the outer side of the drill jig plate, the lug piece support is of a structure composed of a hooked bolt and a hooked sleeve, two bending hook supports are respectively corresponding to two lug pieces of a part, a wedge groove is formed in the upper end of the hooked sleeve, and the compression bolt is pressed in the wedge groove through the compression hole.

The invention relates to the technical field of petroleum drilling and production equipment, and provides a self-locking casing head. The self-locking casing head comprises a casing head body, wherein the casing head body is provided with a mounting hole; a hanger is arranged in the mounting hole; a sealing assembly is arranged between the hanger and the mounting hole; the casing head body is further provided with a mounting groove; the mounting groove communicates with the mounting hole; a plurality of clamping pieces are uniformly distributed at intervals in the circumferential direction of the mounting hole; the clamping pieces are provided with inverted teeth; the end of the hanger is provided with positive teeth; the inverted teeth are matched with the positive teeth; the clamping pieces are provided with vertical long-strip holes; a rotating shaft penetrates through the long-strip holes; reset elastic pieces are arranged on the clamping pieces; the upper ends of the clamping pieces are connected with the mounting groove through the reset elastic pieces; the lower ends of the clamping pieces abut against the inner wall of the bottom surface of the mounting groove; the bottom surface of a locking piece mounting groove is provided with a locking hole; a locking piece is arranged in the locking hole in a sliding mode in the vertical direction; and the clamping piece is jacked up after sliding. According to the technical scheme, the problem that an oil pipe is prone to loosening in the prior art is solved.

The invention discloses an embracing breast tissue fixing device for nuclear magnetic environment, and relates to the field of medical instruments. The embracing breast tissue fixing device comprisesfour identical finger plate mechanisms, and four finger plate mechanisms are distributed in a circumferentially symmetric manner, and the adjacent two finger plate mechanisms are interlaced. The embracing breast tissue fixing device can realize rapid adjustment and fixation for different sizes of breast tissue in nuclear magnetic environment, and solves the problem that the breast tissue flows andis difficult to fix, the gap between the curved fingers can be adjusted according to the needs of the doctor, providing a flexible and effective space for the operation and improving the efficiency of the operation.

The invention discloses a quick-connecting and self-locking connector assembly comprising a male end and a female end. The internal side of the female end is provided with an elastic jack which is formed by multiple wire springs through uniform arrangement. The male end can be closely plugged in the elastic jack of the female end. The end part of the male end is provided with a first buckle structure. The internal side wall of the female end is provided with a second buckle structure. The first and second buckle structures can be connected in a buckling way. The external side wall of the female end is also provided with a release switch. The first and second buckle structures can be released by the release switch. At least one of the first and second buckle structures is made of non-conductive material. When the male end is plugged in the female end, the first and second buckle structures automatically buckled to realize self-locking so that the male end can be prevented from being automatically unplugged by the influence of external pulling force in the use process, and the connection stability of the male end and the female end can be effectively guaranteed. The release switch is also arranged on the female end so that the first and second buckle structures are enabled to be quickly released and unplugging of the male end is facilitated. The quick-connecting and self-locking connector assembly is simple in structure and convenient to operate and can realize quick plugging and self-locking.

The invention discloses a shell structure of fastener used for safety seat for children. The invention is characterized in that: a gap is formed on one side of the shell; a button is arranged in the gap; a safety belt connection hole is provided at the lower end of the shell; the buckle of safety seat for children consists of a shell, a self-locking mechanism, a left auxiliary insert and a right auxiliary insert; the left and right auxiliary insert cooperate with the self-locking mechanism. Thus the invention realizes safe self-lock, convenient plugging of one-time, convenient and fast use, rapid plugging, safety and reliability. The product is manufactured by engineering plastics to achieve high intensity. When accident happens, the product can effectively protect child from disengaging from the seat by inertance and protect his life at the first time. The structure of the safety fastener is especially applicable to safety protection to infant of 0 to 13 kilograms in the automobile. In addition, compared with the prior arts, the product has outstanding substantive features and marked progresses.

The invention discloses a self-locking type electrified lapping wire clamp. The self-locking type electrified lapping wire clamp comprises a top plate used for achieving an electric loop, a bottom plate used for forming a clamping structure with the top plate, a guide device used for allowing the top plate and the bottom plate to move in an opposite direction along a fixed track, a locking deviceused for fixing the top plate and the bottom plate at a working region and a handheld device used for moving. One end, far away from the locking device, on the top plate is provided with a wire connection portion used for connecting a newly added circuit. The whole self-locking type electrified lapping wire clamp is high in practicability and creativity, achieves quick connection and self-lockingwith the original wire, and is simple to operate and high in safety.

The invention provides a toolkit transfer rope slow release device which comprises a center shaft, a loading wheel, a ratchet wheel, an unlocking disc, an unlocking block, a pawl, a lifting shaft and a handle, the handle is rotated forwards to drive the unlocking disc to rotate around the center shaft, the unlocking disc rotates to drive the unlocking block to rotate, the front end of the unlocking block abuts against the tail end of the pawl so that the front end of the pawl can be separated from the ratchet wheel, and the lifting shaft is driven to rotate. The unlocking block drives the pawl and the loading wheel to rotate together, the steel wire rope is released, the pawl is clamped on the ratchet wheel again due to the return effect of the torsional spring after the steel wire rope is released for a short distance, rotation release of the loading wheel is stopped, and controllable release of the steel wire rope is completed by continuously driving the unlocking disc; when the handle is driven reversely, the unlocking disc rotates reversely, the loading wheel is driven by the lifting shaft to rotate reversely, and the steel wire rope is retracted. The tool bag can be safely and stably transferred to the surface of the moon from the detector under the condition of manual operation, and the situation that transferred objects such as the tool bag quickly descend due to the fact that loads are too large, and the transferred objects are damaged is avoided.

The invention belongs to the cable conductor wiring device technical field, and specifically relates to a wiring terminal comprising a terminal body and a contact pin; the terminal body is provided with a locking mechanism; a wiring end is formed on one end of the terminal body so as to terminate wires in various connection modes; a contact hole is formed on the other end of the terminal body; one end of the contact pin is provided with a buckle matched with the locking mechanism on the contact hole; the locking mechanism can fix the contact pin into the contact hole or separate the contact pin from the contact hole; the contact pin inserts into the contact hole of the terminal body, and is fixed into/separated from the contact hole through the locking mechanism, thus realizing fast self-locking or separating of the wiring terminal; the wiring terminal is easy and fast in mounting, good in connecting reliability, and suitable for connecting cables or conductors of all specifications and types.

The invention relates to a quick self-locking hook. The quick self-locking hook comprises an assembling part and a hook body which are connected with each other. The hook body comprises a rod body contact part at the upper section and an extension part at the lower section; and the assembling part is arranged below the extension part. The inner side of the rod body contact part is provided with an arc-shaped first curved surface. The extension part extends downwards in inclined mode so that gravity center of the hook body is located below a first curved surface, and the hook body is in a shape like a question mark . The free end of the rod body contact part is provided with an open groove. A rotating shaft penetrates through the middle of the self-locking piece to be pivoted to the open groove, and the self-locking piece can rotate around the rotating shaft. One end of the self-locking piece is an adjusting part embedded into one side of the open groove, and the other end of the self-locking piece is an abutting part used for fastening the rod body. The inner side of the self-locking piece is provided with an arc-shaped second curved surface which is concentric with the first curved surface and has the same diameter with the first curved surface. A central angle B corresponding to an arc projection formed after the first curved surface and the second curved surface are aligned is larger than 180 degrees. The hook can rapidly achieve automatic locking, is simple in structure, does not need to waste time and labor, and is high in working efficiency.

The invention relates to a multi-core optical fiber connector. The multi-core optical fiber connector comprises an adapter assembly and a connector assembly. The connector is characterized in that the adapter assembly comprises an adapter cylinder; a front cavity and a rear cavity are arranged in the adapter cylinder; an inner connecting cylinder is arranged in the front cavity; a clamping jaw is arranged between the inner connecting cylinder and the inner wall of the adapter cylinder; a butt joint cavity is arranged in the rear cavity; the butt joint cavity is provided with clamping hooks; the butt joint cavity is communicated with the inner connecting cylinder; the connector assembly comprises a connector cylinder; the front portion of the connector cylinder is connected with the front cavity of the cylinder barrel in a matched mode; the middle front portion of the connector cylinder is sleeved with an elastic outer sleeve; the periphery of the connector cylinder in the elastic outer sleeve is provided with clamping grooves connected with adapter clamping jaw in a clamped mode; and the inner hole of the connector cylinder is provided with a multi-core insertion core assembly; the front end of the multi-core insertion core assembly is connected with the butt joint cavity of the adapter cylinder. Parallel butt joint of multiple optical fibers can be achieved. The multi-core optical fiber connector has the advantages of reasonable and compact structure, good waterproof performance, easiness and convenience in plugging and using and reliable connection.

The invention provides a self locking mechanism and an unmanned aerial vehicle and mainly relates to the technical field of unmanned aerial vehicles. The self-locking mechanism comprises a fixing base, a self locking assembly and a connection support, wherein the fixing base is hinged to the connection support; the self locking assembly is connected with the fixing base; and the fixing base is in a rotating state relative to the connection support, and thus the self locking assembly is in clamped fit with the connection support selectively. The self locking mechanism provided by the invention can achieve self locking quickly, the structure in the locked state is small in occupied space, and using safety and convenience are improved. The unmanned aerial vehicle provided by the invention is safer in use and more convenient to store.

The invention discloses an automatic locking lock catch, a display screen assembly and a splicing screen. The automatic locking lock catch comprises a base, a releasing part and a lock part, wherein the base is provided with a communication part which communicates the outer side of the base with the inner side of the base; the releasing part is mounted on the inner side of the base, is provided with a releasing piece, is communicated with the outer side of the base through the communication part and is driven to be switched between a first position and a second position on the inner side of the base; the lock part is mounted on the inner side of the base and is provided with a lock piece and a first elastic piece; the first elastic piece is butted with each of the lock piece and the base;when the releasing piece is located at the first position and limits the lock piece, the lock piece is accommodated on the inner side of the base; and when the releasing piece is driven and switched to the second position, the lock piece is released from the releasing piece and is driven by the first elastic piece to extend to the outer side of the base. The automatic locking lock catch is simplein mounting process and is capable of rapidly and automatically locking each display screen assembly when splicing the display screen assembly.

The invention relates to the technical field of filters, in particular to a filter fixing connecting assembly with a self-locking structure. The assembly comprises a filter body, a mounting cover being arranged in the filter body, fixing columns being fixedly connected to the surface of the mounting cover, a top plate being fixedly connected to the top ends of the fixing columns, the fixing columns being in two groups, a lifting rod being inserted into the surface of the top plate, and a fixing ring being fixedly connected to the bottom end of the mounting cover; a magnetic suction cylinder, mounted on the inner bottom wall of the filter body, and a mounting bottom ring being arranged at the bottom end of the magnetic suction cylinder. According to the invention, when the two groups of magnetic suction rods are adsorbed into the magnetic suction cylinders. The device can realize a certain self-locking function, the problem that an existing connecting assembly cannot realize the self-locking function is solved, the stability of the filter during use is ensured, the mounting cover is automatically mounted on the surface of the filter body through the cooperation between the assemblies, and the connection stability is greatly improved.