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.

The invention relates to a clamp, in particular to a latch of a PCB plate clamp which is provided with an upper locking block and a lower locking block; the upper locking block is elastically and movably connected with an upper pressure pad on the PCB plate clamp; the lower locking block is fixedly connected with a lower pressure pad on the PCB plate clamp; an air cylinder is fixed on the lower pressure pad; when the upper locking block and the lower locking block are engaged and locked, a top rod of the air cylinder is sustained with the lower locking block when the top rod of the air cylinder extends out; the catering surface of the upper locking block and the lower locking block is an incline; the incline angle Alpha of the incline is 30 degrees; the latch of the PCB plate clamp of the invention has simple structure, can conveniently realize the opening and closing of the PCB plate clamp and improves the working efficiency; simultaneously, the clamp of the invention is stable and reliable when the PCB plate clamp is in locking state , thus ensuring the welding quality of the PCB plate.

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 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.

PROBLEM TO BE SOLVED: To provide an electric connector for a circuit board capable of ensuring a stable locked state of lock parts by enlarging a protruding amount of the lock parts of lock fittings provided in the electric connector for the circuit board, and an electric connector assembly.SOLUTION: A lock fitting 30 includes: a base part which includes a portion extending in a terminal array direction at a lower position of a housing 10; a rising part which rises upwards from a portion of the base part within a range between end walls 15 in the terminal array direction; and a lock part 33 which protrudes from an upper portion of the rising part closer to the end wall 15 and can be locked upwards to a locked part which is provided in an opposite connector 2. The base part of the lock fitting 30 includes an elastic deformation portion 31C-1 which is elastically deformed in the terminal array direction so as to allow the rising part and the lock part 33 to move in the terminal array direction away from the end wall 15 corresponding to the lock fitting 30, when external force in the terminal array direction is applied in a connector fitting process.

A vehicle seat fitting has a fitting parts (11, 12) have a sprocket (17) and guide segments (14), a bar (16) guided by the guide segments between a locked and unlocked state that interact with the sprocket. The bar has bar cams (16a, 16b). An eccentric (27) is rotatably mounted around a rotation axis (A) and in a transition from unlocked to the locked, engages the bar with a force for clamping the bar against the sprocket. The eccentric has eccentric cams (28, 128) interacting with the bar cams. The first eccentric cam has a cam section (28.2) which runs in the peripheral direction concentrically around the axis. The cam section is arranged upstream in the closing direction of a further cam section (28.4) that has a cam contour running radially outwards downstream in the closing direction relative to the concentrically peripheral contour for clamping the bar against the sprocket.

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 discloses a supporting phase bearing self-locking lower limb rehabilitation device, and relates to the technical field of rehabilitation training devices. The supporting phase bearing self-locking lower limb rehabilitation device comprises a waist and crotch structure, a thigh structure, a knee joint mechanism, a shank structure and a shoe body which are sequentially arranged from top to bottom, and a steel wire rope adjusting mechanism used for adjusting the pay-off length of a steel wire rope is arranged on the waist and crotch structure; and the top end of the thigh structureis rotationally connected with the waist and crotch structure, the bottom end is fixedly connected with the knee joint mechanism, the top end of the shank structure is fixedly connected with the kneejoint mechanism, and the bottom end is connected with the shoe body through a spring. A steel wire rope can be used for driving a chuck to rotate and be tensioned to enable chuck clamping teeth to beengaged with output disc clamping teeth, structural self-locking of the knee joint mechanism is achieved when a user is in a supporting phase, the steel wire rope can be loosened through the thigh lifting action of the user in a pre-swinging phase, and the chuck rotates under the elastic force effect of a torsional spring and is disengaged from structural self-locking of an output disc, so that the motor is used for supplying power to provide knee joint action assistance, the locking state is reliable and stable, safety is high, and overall energy consumption is low.

To provide a body cover mounting structure of a motorcycle capable of enhancing the producibility through a decrease in the man-hours for assembly and reducing the cost by means of simplification of the construction. A pair of body covers 34L and 34R are equipped with front engaging pieces 58 installed in the front part and cover mounting pieces 45L and 45R installed inside, respectively, and a leg shield 33 is provided with an engaging hole 51 to engage the front engaging pieces 58 and rear mounting pieces 49 extending backward inside the body covers 34L and 34R and fastened together with the two cover mounting pieces 45L and 45R.

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.

In an igniter (1) which is ignited by operation of an actuator 20 and is provided with a lock member (25) which locks an actuator (20) when the igniter is unused and automatically returns to the locking position after use of the igniter, operability is improved and assembly is simplified. A lock member (25) which is moved in the igniting direction together with the actuator (20) is installed to be movable between a locking position and a lock release position. A lock portion (25b) of the lock member (25) extending in the locking direction interferes with an engagement portion of the igniter body to lock igniting action of the actuator (20). The lock member (25) is urged to the locking position by an urging member (26). With the lock released by operation of the lock member (25), the actuator (20) is slid together with the lock member (25) to ignite the igniter (1).

The invention discloses a locking mechanism and a forging die using the locking mechanism. The ejector rod of the locking mechanism is fixed on the upper mold, and the turning part is hinged on the lower die, and the turning is realized through the cooperation of the lower swing arm of the turning part and the bottom end of the ejector rod, and the upper swing arm of the turning part can realize the rotation of the upper die. lock, so that during the forging process, with the relative pressing of the upper and lower dies, the ejector rod on the upper die will press down on the press-fitting part on the lower swing arm, so that the upper swing arm of the flip part Flip upward until the upper mold is completely pressed on the lower mold, the claws on the upper swing arm of the overturned part will be fastened on the edge of the upper mold to lock the upper mold on the lower mold, so as to realize the upper and lower molds. Therefore, this locking method not only makes the locking state between the upper and lower molds more reliable, but also drives the action of the locking mechanism through the relative pressing force of the upper and lower molds, realizing the pressing Automatic locking during the process.

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.

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.

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 present invention provides an electrical connector for a circuit board and an electrical connector assembly including the electrical connector for a circuit board and a mating connector, which can increase the protrusion amount of a locking portion of a locking member provided in the electrical connector for a circuit board, And the stable locking state of the locking parts can be ensured. The locking member (30) is stored in the storage portion of the housing (10), and the locking portions (35A, 35B) are movable between a locking position and a lock release position. The locking position is where the locking portions (35A, 35B) face the receiving portion ( 16) A position that protrudes and is locked with the locked portion of the mating connector (2). This unlocking position is when the locking portion (35A, 35B) moves toward the other end wall (15) side in the terminal arrangement direction. When the lock is released, the elastic deformation portion (40) exerts an urging force on the locking member (30) to move the locking member (30) toward the locking position.

A linkage self-locking device for machine tools, characterized in that it includes a lock pin, a lock body, and a linkage locking mechanism, the lock body is the main body of the device, and the linkage locking mechanism is installed inside the lock body. The lock pin can be inserted into the conical through hole in the center of the lock body to achieve positioning and drive the linkage locking mechanism to operate, and then be locked by the linkage locking mechanism; the technical solution adopted in the present invention utilizes the movement characteristics and self-locking characteristics of the linkage locking mechanism itself It realizes automatic positioning and fast and stable locking, without relying on electrical control, and has stronger applicability; the lock pin can be connected with various tooling and fixtures, and has better versatility.

The invention provides a body cover mounting structure of a motorcycle capable of enhancing the producibility through a decrease in the man-hours for assembly and reducing the cost by means of simplification of the construction. A pair of body covers 34L and 34R are equipped with front engaging pieces 58 installed in the front part and cover mounting pieces 45L and 45R installed inside, respectively, and a leg shield 33 is provided with an engaging hole 51 to engage the front engaging pieces 58 and rear mounting pieces 49 extending backward inside the body covers 34L and 34R and fastened together with the two cover mounting pieces 45L and 45R.

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.

The invention discloses a forming device for a space bending pipe. The forming device for the space bending pipe comprises a base, two first clamps, a second clamp and a plurality of cutting tools, wherein two first guide units are arranged on the base; the two first clamps can move along the two first guide units respectively, locking devices are further arranged on the first clamps, and the locking devices can lock the first clamps on the base; the second clamp is arranged between the two first clamps, and the second clamp can be fixed on the base; and the first clamps and the second clamp can clamp a pipe fitting, and the cutting tool can cut off the pipe fitting between the first clamps and the second clamp. The forming device for the space bending pipe has the beneficial effects thatthe two first clamps can move along the first guide units respectively, so that the space bending pipe can realize an asymmetric structure; and the cutting tool can cut off the pipe fitting between the second clamp and the two first clamps, so that the two ends of the pipe fitting can be cut off at one time, and the machining efficiency of space bending pipe forming is improved favorably. The invention relates to the forming device for the pipe fitting.

In an igniter (1) which is ignited by operation of an actuator 20 and is provided with a lock member (25) which locks an actuator (20) when the igniter is unused and automatically returns to the locking position after use of the igniter, operability is improved and assembly is simplified. A lock member (25) which is moved in the igniting direction together with the actuator (20) is installed to be movable between a locking position and a lock release position. A lock portion (25b) of the lock member (25) extending in the locking direction interferes with an engagement portion of the igniter body to lock igniting action of the actuator (20). The lock member (25) is urged to the locking position by an urging member (26). With the lock released by operation of the lock member (25), the actuator (20) is slid together with the lock member (25) to ignite the igniter (1).

The invention discloses a lock structure of an automobile engine hood. The lock structure comprises a lock structure device and a lock protection device, wherein the lock structure device comprises a lock top plate, a lock bottom plate, a lock pin, a locking driving swinging leaf, a locking driven swinging leaf and a tension spring; the lock protection device comprises a safety hook; one end of the lock pin is fixedly connected with the lock top plate; the other end of the lock pin forms a clamped head; the locking driving swinging leaf and the locking driven swinging leaf are mounted on the lock bottom plate; a clamping groove is formed between the locking driving swinging leaf and the locking driven leaf; the tension spring is connected between the lock bottom plate and the locking driving swinging leaf and is in a stretched state; the clamped head penetrates through the clamping groove in an extrusion manner and is under the elastic action of the tension spring; the clamped head is locked by the locking driving swinging leaf and the locking driven swinging leaf; one end of the safety hook is connected onto the lock top plate; the other end of the safety hook hooks the lock bottom plate.

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.