33results about How to "Reliable locked state" patented technology

The invention provides an electric connector for a circuit board and an electric connector assembly comprising the electric connector for the circuit board and a mating connector. The projecting amount of locking parts of a locking member of the electric connector for the circuit board can be increased and the locking state of the mutual stability of the locking parts can be guaranteed. The locking member (30) is accommodated in an accommodating part of a shell (10). The locking parts (35A, 35B) can move between a locking position and an unlocking position. The locking position is the position where the locking parts (35A, 35B) protrude towards a receiving part (16) and are in clamped and limited fit with locked parts of the mating connector (2) and the unlocking position is the position where the locking parts (35A, 35B) move towards the side of the end wall (15) on the other side in the terminal arrangement direction for unlocking. An elastic deformation member (40) applies an acting force on the locking member (30) to drive the locking member (30) to move towards the locking position.

The invention provides an intelligent enterprise antitheft door. The intelligent enterprise antitheft door comprises a door body and further comprises a fingerprint recognition device, a control module, a spring bolt, an unlocking module, a linkage device and a lock catch device which are arranged on the door body. The linkage device comprises an electromagnet, a locking bar, a rack, a pair of springs and a pair of elastic devices. The locking bar and the rack are both in sliding fit with a pair of parallelly-arranged transverse sliding grooves located in the inner wall of a second cavity of the door body, and the locking bar and the rack are perpendicular to the transverse sliding grooves; the front end of a pushing rod located on one side of the locking bar abuts against the rack, the springs are connected between the outer side face of the locking bar and a baffle fixedly arranged in a second cavity, and the electromagnet is fixedly arranged on the baffle; and the elastic devices are arranged on the side walls of the second cavity, the front ends of the elastic devices abut against the outer side face of the rack, and one end of the locking bar and one end of the rack are in driving connection with the spring bolt. When the intelligent enterprise antitheft door is in a locked state, the spring bolt and a lock cylinder are separated, and using safety is good.

A lock device that restricts movement of a movable body includes: a lock member that is engageable with an engagement portion formed at the movable body; an urging member that urges the lock member in a direction away from the engagement portion; and an actuator that moves the lock member toward the engagement portion to engage the lock member with the engagement portion against an urging force generated by the urging member.

The invention relates to the field of aeronautical ground equipment, in particular to a holding device for an airplane nose wheel. The holding device comprises a frame and is characterized in that the holding device is provided with an upper connecting rod, a lower connecting rod, a lifting oil cylinder, a rotating pin roll, a swing framer, a pressing bracket, a pressing oil cylinder, an upper pressing arm, a hinge pin roll, a clamp and a clamp pin roll, wherein the swing frame is hinged with the frame through the rotating pin roll; the front end of the lifting oil cylinder is hinged with the swing frame; the rear end of the lifting oil cylinder is hinged with the lower end of a saddle; a lifting rotary frame and the pressing bracket are arranged at the upper end of the front part of the saddle; a contacted work plane between the rear part of the saddle and the nose wheel is an inclined plane; the hinge pin roll is arranged at the front end of the lifting rotary frame; the pressing oil cylinder is arranged at the rear end of the lifting rotary frame; one end of the lower connecting rod is hinged with the swing frame; the other end of the lower connecting rod is hinged with the hinge pin roll; one end of the upper connecting rod is hinged with the hinge pin roll; the other end of the upper connecting rod is hinged with the frame; the lower end of the pressing bracket is hinged with the saddle; the upper end of the pressing bracket is hinged with the upper pressing arm; one end of the pressing oil cylinder is hinged with the lifting rotary frame; and the other end of the pressing oil cylinder is hinged with the upper pressing arm. The holding device disclosed by the invention has the advantages of novel structure, safety, reliability, great holding constraint force and the like.

The invention relates to a small combined universal bracket, including a first connecting piece, a second connecting piece, a club device and a locking knob, the first connecting piece and the second connecting piece are symmetrical to each other, and the first connecting piece is set There are at least two first connecting parts, the first connecting part is provided with a first groove; the second connecting part is provided with at least two second connecting parts, and the second connecting part is provided with a second groove ; The first groove and the second groove jointly form a spherical groove, the ball head is embedded in the spherical groove, the first connecting piece is connected with the second connecting piece, and the locking knob is connected to the Bolt fit. When the locking knob is tightened and pressed down, the clamping of the club devices on both sides is completed, and the operation is simple and the structure is simple. The club devices on the upper and lower connecting parts can be of two-headed or multi-headed structure. When the multi-headed structure is adopted, the central angles between each club device are the same, that is, to ensure that the external equipment on each ball-head device bears the same force .

The invention discloses a quick wire locking electrical connector which comprises a base, a torsion spring, an elastic piece, a slider, a handle, a contact terminal and a wire pressing frame. The baseis provided with a wiring hole, a spring supporting shaft and a terminal mounting hole, the slider is provided with a sliding inclined surface, a guiding groove and a positioning step, the handle isprovided with a handle top end and a spring pressing boss, the slider is provided with a slider supporting arm, the elastic piece comprises an elastic end and a wire pressing wall, the handle is hinged to the base, the elastic piece is connected to the elastic piece support shaft, the torsion spring is used for driving the elastic piece to bounce, the guiding groove is connected to a slider support arm, the slider is also connected to an elastic device for driving the slider to slide to the elastic piece, and the contact terminal passes through the terminal mounting hole. When a wire is locked, the elastic end is connected to the positioning step, the wire pressing wall presses the contact terminal, and a top end of the handle is connected to the sliding inclined surface when the wire is unlocked. After the wire locking is completed, the reliability of pressing the wire is not affected as long as the top end of the handle does not press the slider to a state in which the elastic end can slide out of the positioning step.

The invention discloses a handle self-locking mechanism. The handle self-locking mechanism comprises a handle, two side plates which are symmetrically arranged on the middle part of the handle, a locking bolt which movably and transversely penetrates through the two side plates, a sleeve ring and a spring which sleeve the locking bolt, a wedge-shaped block which is fixedly arranged on the outer wall at one end of the sleeve ring, and a locking block which is matched with the wedge-shaped block for fixing. A limiting hole which is matched with the wedge-shaped block in appearance is formed in one side plate; one end of the wedge-shaped block is fixed with the sleeve ring, and the other end of the wedge-shaped block movably stretches into the limiting hole; the sleeve ring is in threaded fit with the locking bolt, and two ends of the spring are compressed between the sleeve ring and the side plate with the limiting hole. A wedge-shaped groove which is matched with the wedge-shaped block for being occluded is formed in the locking block. The invention further discloses a folding joint with the handle self-locking mechanism. According to the handle self-locking mechanism, the locking bolt, the spring, the sleeve ring and the wedge-shaped block are arranged on the handle, and the locking block which is occluded with the wedge-shaped block is further fixed on the handle, so that an occluded state of the wedge-shaped block and the locking block can be changed by pushing the locking bolt, and the handle can be conveniently locked or unlocked.

The application provides a simulation training system of laparoscopic surgery. The simulation training system of the laparoscopic surgery comprises a box body for performing a surgical training operation, an organ model for simulating human organs and a plurality of pressure water bags, wherein the organ model is placed in the box body, a pipeline for simulating a human body fluid system is arranged in the organ model, and one end, located in the organ model, of the pipeline is closed, and the pipeline is provided with an interface outside the organ model; each pressure water bag comprises a water pipe, the outlet of the water pipe is mutually connected and communicated with a corresponding interface of the organ model, and each pressure water bag is provided with a pre-pressure regulatingstructure. The simulation training system of the endoscopic surgery provided by the application of the invention can simulate common complications and lesion resection actually occurring in the operation, and is good in training effect.

The invention provides a linkage self-locking device for a machine tool. The linkage self-locking device for the machine tool is characterized in that the linkage self-locking device for the machine tool comprises a lock pin, a lock body and a linkage locking mechanism, the lock body is a main body of the device, the linkage locking mechanism is installed in the lock body, the lock pin can be inserted into a conical through hole in the center of the lock body to realize positioning and drive the linkage locking mechanism to operate and then be locked by the linkage locking mechanism. Accordingto the technical scheme, the movement characteristics and self-locking characteristics of the linkage locking mechanism are utilized to realize automatic positioning and fast and stable locking without relying on electrical control, and the applicability is higher; and the lock pin can be connected with various tools and fixtures, and the versatility is better.

A novel core piece for an exhaust gas catalyst device capable of realizing further reduction in weight, costs, etc. that are constantly demanded for automobile related components, a method of producing the core piece, and a method of inserting and fixing the core piece. A core piece (3) for an exhaust gas catalyst device (1), provided inside an outer tube body (2) into which an exhaust gas (G) issent and purifying the exhaust gas (G) by a catalyst adhered and formed on the surface of the core piece (3), wherein the core piece (3) is attached to the outer tube body (2) by at least either a method where the core piece (3) is formed so as to return elastically in the outer peripheral direction when the core piece (3) is deformed in the inner peripheral direction in attaching the core piece (3) to the outer tube body (2), and the core piece (3) is attached to the outer tube body (2) by spring elasticity of the core piece (3) itself, or a method where an appropriate portion of the outer tube (2), into which the core piece (3) is inserted, is reduced in diameter to attach the core piece (3) to the outer tube body (2).

The invention discloses a method for controlling the locking force of a locking device, which relates to the technical field of industrial automation. A controller is arranged, the controller comprises a direct current motor driver, a main control chip, a temperature sensor, an AD sampling chip, a power supply module, a Flash chip, an RS422 power supply serial port input end and a locking device connector, and further comprises a high and low temperature constant temperature box and a torque sensor which are used for measurement. The influence caused by the magnetic field change of the direct current motor of the locking mechanism and the resistance change of the transmission part can be overcome, the locking force of the locking mechanism can be ensured to be basically unchanged, and the locking state is more reliable. And the locking force can be configured through software, hardware does not need to be changed, and the control precision of the locking force of the locking mechanism is greatly improved.

The invention provides an axial locking drill chuck. The axial locking drill chuck solves the technical problems that an existing drill chuck is low in safety performance and efficiency. The axial locking drill chuck comprises a drill body, clamping claws, a nut, a nut sleeve, a bearing, a bearing pad, an elastic sheet, an outer sleeve and a rear cover. The three clamping claws are arranged in three inclined holes which are evenly distributed in the drill body in the circumferential direction. The nut is in threaded connection with the clamping claws. The nut sleeve is arranged on the nut in an interference fit manner. The elastic sheet is arranged in the nut sleeve. The outer sleeve is matched with the nut sleeve and rotates to drive the nut sleeve to rotate, the nut sleeve drives the nutto rotate, and the nut drives the clamping claws to move. An upper groove and a lower groove are formed in the inner wall of the outer sleeve in the axial direction. The upper end face and the lowerend face of the nut sleeve are provided with an upper positioning claw and a lower positioning claw which are matched with the upper groove and the lower groove correspondingly. The axial locking drill chuck can be widely applied to the technical field of drill tools.