126results about How to "With lock function" patented technology

The invention relates to a radiation-proof self-recovery over-current / short-circuit protection circuit for a satellite. On the basis of a line structure, the self-recovery over-current / short-circuit protection function is realized. Moreover, the circuit has advantages of reasonable design, small size, and light weight. The radiation-proof self-restoring over-current / short-circuit protection circuit is composed of a power supply module, a triode driver module, a VDMOS tube module including a VDMOS tube Q2, a current detection, amplifier and comparator module, a trigger feedback module having a D trigger U3, and a precision sampling resistor RS1 connected in series to a bus. The power supply module is used for providing power for the current detection, amplifier and comparator module and the trigger feedback module through buses. The input terminal of the triode driver module is connected with an input signal of the control circuit and the output terminal is connected with a gate terminal of the VDMOS tube Q2; and a source end of the VDMOS tube Q2 is connected with the bus by the precision sampling resistor RS1 and a drain end is grounded by a resistor R13. The current detection, amplifier and comparator module consists of a current detection chip U1 for current detection and signal amplification and a comparator U2.

The invention discloses a novel power-driven protective cover for primary mirror of large aperture telescope, and belongs to the field of lens covering device installed on optical telescope. Aiming to solve the problems that the present protective cover has large wind resistance and poor operational stability, the protective cover of the invention is composed of four units, wherein each unit comprises a substrate, a cover plate, sealing strips, a linear actuator, an adjustable pull rod, a spherical headed joint, hinge struts and hinges. The sealing strips are arranged on linear edges of any two opposite covering plates, reinforcing ribs are riveted on the covering plates, the spherical headed joints are fixedly connected on vertical bars of the reinforcing ribs, the spherical headed joints are in connection with the adjustable pull rods, an ends of the hinge struts are fixedly connected on transverse bars of the reinforcing ribs, another ends of the hinge struts are connected with the hinges that are fixedly connected on the substrates, and the linear actuator is fixed on the substrates. The four covering plates rotate at 90 degrees, thereby positioning the four covering plates on a same plane and forming a round. According to the invention, the structure is simple, the weight is light, modular design is adopted by each unit, the interchangeability is strong, the assembly and disassembly operation are convenient, and the appearance is nice.

The invention provides an anti-pirating fingerprint stamp. After a stamping person successfully passes the fingerprint register comparison, a stamping permission motor drives a motor cam to rotate, the cam drives a stamp positioning block to position a stamp head assembling assembly, accordingly, a lock rod is driven to move, limitation unlocking on a telescopic cover and a connecting support is achieved, and the stamping person can execute stamping. One-time stamping after successful registering is achieved, and the problems of abuse and non-authorized usage of the stamp can be effectively solved. The anti-pirating fingerprint stamp is compact, small and exquisite in structural design, and the stamp positioning function can be achieved; stamp taking down and installing can be achieved; and the distance between the end face of the telescopic cover and the stamp face is positioned, it can be guaranteed that when paper is attached in from the end face of the telescopic cover, an integral stamp mark cannot be stamped, and the anti-pirating function is reliable. The three-section type connecting design is adopted in a stamp shell structure, inner screw connection is adopted, screws cannot be detached from the outside, the design structure cannot be detached without authorization, and real detachment preventing is achieved. The anti-pirating fingerprint stamp can be compatible with existing atom (photosensitive) stamps on the market.

The invention belongs to the field of medical conveying appliances, and particularly relates to an automatically leveled type multifunctional rescue stretcher. In order to cope with the characteristics of complex locality and various disastrous conditions during the field rescue, the automatically leveled type multifunctional rescue stretcher which mainly comprises a left lifting rod, a right lifting rod both located at the top part, four suspension rods and a stretcher bed located at the bottom is provided. Four rotation pairs composed of the lifting rods, the suspension rods and the stretcher bed encircle to form two isosceles triangle hanger frames; the stretcher bed is automatically leveled when persons climb slope or get down slope by utilizing moment of force generated by the gravities of the ill and wounded persons and the stretcher bed; and the damping stabilization function of the stretcher bed is realized by utilizing a friction force between stabilizing belts and the lifting rods. The lifting rods, the stabilizing belts, the suspension rods and the stretcher bed are connected by pins; and a rescuer can detach the stretcher into two simple stretchers based on the practical need so as to be used for conveying a common ill and wounded person and an ill and wounded person with fracture respectively. As the relatively angles of the stretcher bed and the lifting rods can be locked, the automatically leveled type multifunctional rescue stretcher after being locked can serve as a simple tent, a simple operating table and a double-layer stretcher.

The invention provides an adjusting and controlling device and an adjusting and controlling method of a vehicle seat. The adjusting and controlling device of the vehicle seat comprises a user interface, an adjusting module and a main controller, wherein the adjusting module generates an adjusting instruction based on an adjusting order input by a user, the main controller transmits the adjusting instruction to a vehicle seat adjusting mechanism, and adjustment of the vehicle seat is achieved. The adjusting and controlling device and the adjusting and controlling method of the vehicle seat have good adjusting accuracy and a locking function and are low in cost.

The invention discloses a baby stroller which comprises a pair of supporting racks, a handle pipe, a linkage rack, a pair of folding drivers, a folding control group, a pair of front wheels and a rear wheel set. Each supporting rack comprises a front foot pipe, an unfolding hole is arranged near the middle end of the front foot pipe, and a folding hole is arranged near the lower end of the front foot pipe; the handle pipe is arranged above the front foot pipe, and a through hole matched with the unfolding hole is arranged on the handle pipe. The baby stroller is further provided with the folding drivers and the folding control group, wherein the folding drivers are used for controlling the sliding and fixing between the handle pipe and the front foot pipe, and the folding control group is used for controlling the folding drivers. Due to the design of the handle pipe, the folding control group and the folding drivers, a user can fold, unfold and fix the baby stroller with a single hand; therefore, the operation is simple and labor-saving.

The invention provides a cassette positioning device and semiconductor processing equipment. The cassette positioning device comprises limiting doors and a positioning mechanism, wherein the limiting doors are rotatablely connected with side frames of the cassette, and through rotating the limiting doors, the limiting doors are located at a first position or a second position stopping or not stopping wafers in the cassette from moving; and the positioning mechanism is used for locking the limiting doors at the first position or the second position and unlocking the limiting doors when wafers need to be taken or placed. According to the cassette positioning device provided by the invention, the limiting doors can be opened or closed at any time according to particular needs, the wafers can be stopped from moving in relative to the cassette, offset or fall of the wafers can be avoided, and a manipulator can be ensured to take wafers normally.

The invention provides an intelligent control lock comprising a shell body and a lock rod, wherein a lever device is arranged in the shell body, the lever device comprises a lever and a supporting point shaft, the supporting point shaft is fixedly connected with the shell body, a gasket is sleeved on the supporting point shaft and can revolve around the supporting point shaft, and a lever supporting point is fixedly connected with the gasket. A lever resistant arm is in an L shape, the front end of the lever resistant arm can be inserted into a locating hole in the lock rod, and a lever power arm can be connected with a lever operation mechanism. The lever operation mechanism comprises a manual operation mechanism and an electric operation mechanism, and can manipulate the lever to revolve around the supporting point shaft. The intelligent control lock has the advantages that a locking function is performed; when the lock is in a locking state, the lock can not be opened even if a key is available or a lock cylinder is damaged; the lock is matched with an intelligent mobile phone which can be started and supply power for the electric operation mechanism to achieve unlocking after receiving signals set by an owner of the lock, and the lock can be opened through the key after the unlocking; and the lock is good in anti-theft performance and can be use for safe cases, luxury cars, houses, hotels and the like.

A fastener provided with an engagement mechanism, small-sized, lightweight, and not easily removable. A magnetic hook provided with an engagement mechanism comprises a female hook having a lock section, and also comprises a male hook having a dowel. The lock section of the female hook is provided with a hook which is engaged with the dowel of the male hook, a guide which holds the hook, a drive piece which consists of a magnetic material and disengages the engagement of the hook with the dowel of the male hook, and a spring which presses the hook to a locked state. Engaging the hook with the dowel of the male hook connects and locks the male hook and the female hook together. Moving the drive piece by the magnetic force of a magnetic key disengages the engagement of the hook to set the female hook and the male hook to a disengaged state, and this enables the female hook and the male hook to be separated and removed from each other.

The invention relates to the technical field of medical instruments, in particular to a positioning device for puncture and a use method thereof. The positioning device for the puncture comprises a positioning piece, a positioning ball and a fixing buckle, and is characterized in that the positioning piece is movably connected with the positioning ball, the positioning ball has elasticity, a needle inlet hole runs through the positioning ball, and the positioning piece is provided with a through hole corresponding to the needle inlet hole; the positioning ball is internally provided with a wire ring, and the plane where the wire ring is located is perpendicular to the axis of the needle inlet hole; the fixing buckle is in clamped connection on the positioning ball; the bottom of the positioning piece is provided with adhesive glue. The positioning device for puncture and the use method thereof have the advantages that the problems of outer sleeve needle puncture angle accuracy and fixation after puncture in the prior art are solved, so that the purpose of successfully reaching a target lesion through puncture operation of an outer sleeve needle at a time is achieved.

The invention discloses a vehicle high-voltage cable self-locking splicing pair which comprises a socket and a plug, wherein an axial jack is formed in the end face of the socket; an elastic locking ring is embedded in an elastic locking ring annular groove of the inner wall of the jack; the elastic locking ring is in a sealed ring shape which is formed by spirally winding an electric conduction metal wire; a guide bevel edge which facilitates the plug to pass is formed in the direction, facing the plug, of the section of the elastic locking ring; a locking straight edge which is vertical to the axis is formed in the direction opposite to the plug; the plug is provided with an insertion pillar which is matched with the jack of the socket; the head of the insertion pillar is provided with a guide taper which facilitates the insertion pillar to insert into the jack; an unlocking sleeve is sleeved in an unlocking sleeve annular groove in the surface of the insertion pillar. The splicing pair is provided with a locking function, the locking is reliable, the unlocking is convenient, the complicated mechanical structure is omitted, the structure is simple, the use is convenient, and the cost of the splicing pair is low. The splicing pair is used for self-locking connection of a high-voltage cable of an electrocar, and the connection and the disconnection of the high-voltage cable are conveniently carried out.

The invention belongs to the technical field of human body dynamic and static balance training methodology and human body balance functional assessment and relates to a bimodal visual feedback dynamicand static balance training device. The device comprises a supporting base component, universal castors are mounted at four lower corners of the supporting base component, a dynamic and static motionplatform is arranged above the supporting base component, and a standing support frame with a damping adjustable function is arranged at the front end of the supporting base component. According to balance rehabilitation training demands and ergonomic characteristics, the damping adjustable standing support frame is designed, and a compact-structure high-safety motion platform is designed. In addition, dynamic and static standing balance training under each mode can be realized, and standing balance posture stability training demands of patient crowds at each stage can be met.

The invention relates to a manual comb carrier for mounting ammunition at a low mounting point, which belongs to the field of military equipment, and particularly relates to a traveling apparatus for manually mounting military aircraft ammunition. The traveling apparatus mainly consists of a traction rod, a rear axle, a hand-rocking hydraulic pump, a double-acting hydraulic cylinder, a hoisting arm, a working platform, a front wheel and a frame. The height hoisting of the hoisting arm is realized in a way of manually operating the hand-rocking hydraulic cylinder so as to drive the working platform and the ammunition fixed on the working platform to be hoisted in the vertical direction, and a function for transporting the ammunition in a short distance can be realized. The travel apparatus can be used for mounting and disassembling ammunition of 500kg or less on a low ammunition mounting point (altitude is 150mm to 1500mm) military aircraft. The apparatus has the characteristics of light weight, simple structure, simple and convenient operation and low ammunition mounting height, can realize the four-degree-of-freedom attitude adjustment of the ammunition of 500kg or less, has good universality and can mount and fix various ammunition and brackets of the ammunition.

The invention relates to the field of office supplies, in particular to a portable movable seal machine which comprises a pressing seal machine, and an anti-pirate mechanism. The pressing seal machineis used for sealing on a file page to be sealed by adopting a pressing seal downward-moving manner; and the anti-pirate mechanism is used for preventing the file page to be sealed from being replacedin the seal process of the pressing seal machine. The portable movable seal machine provided by the invention is small and portable, has a seal locking function, can realize remote-control seal locking and unlocking, and has an anti-pirate function, so that the occurrence of the phenomenon that the file page to be sealed is replaced in the seal process is prevented, and the use safety of the movable seal machine is greatly improved.

The invention discloses an automotive motor type active stabilizer bar which comprises a left stabilizer bar body (1), a right stabilizer bar body (5) and a motor (4), and further comprises a locking mechanism (2) and a reducing mechanism (3). The left stabilizer bar body (1) is connected with the locking mechanism (2), and the right stabilizer bar body (5) is connected with a shell of the motor (4). One end of the reducing mechanism (3) is connected with the motor (4), and the other end of the reducing mechanism (3) is connected with the locking mechanism (2). The automotive motor type active stabilizer bar is small in size and has the locking function.

The invention discloses a tooling for bonding a split sealing ring and a method applying the tooling to bond the sealing ring. The tooling comprises a pair of clamping blocks used for fixing two ends of the split sealing ring respectively, the clamping blocks in the pair are connected through guide rods and can move oppositely along the axial direction of the guide rods, and no rotation exists between the clamping blocks and the guide rods. The tooling for bonding the split sealing ring can accurately butt bonding sections of the two ends of the sealing ring, and locking pieces can be further used for clamping the bonding parts of the sealing ring; by applying the tooling to bond the sealing ring, all regions of the sections of the sealing ring can be uniformly stressed during bonding, so that bonding strength is guaranteed, and sealing performance of the sealing ring is guaranteed.

The invention discloses a portable lifting device for power distribution construction, which comprises a left collar and a right collar. A fixed block, a fixed bolt is arranged between the left fixed block and the right fixed block, a lifting frame is fixed on one side of the left collar, a first rotating shaft and a second rotating shaft are arranged on the lifting frame, and the first gear is fixed on the first rotating shaft , the second shaft is provided with a second gear, the first gear meshes with the second gear, a ratchet and a reel are fixed on the second shaft, a sling is wound on the reel, and a sling is connected to the end of the sling hook up. The beneficial effects obtained by the present invention are: (1) simple structure; (2) high safety performance, and the required torque for shaking the handle is small, which is very labor-saving; (3) has a locking function, which can prevent hooks and power distribution parts from It moves downwards under the force of gravity, further increasing the safety of lifting work.

The invention relates to a roller-skates electric serviceable tool based on a backpack power supply, which relates to the field of a simple and convenient electric transport tool. The roller-skates electric serviceable tool mainly consists of a backpack which is provided with a charging power supply and a motor control circuit, a pair of roller skates which is fixedly provided with a direct-current motor and a control handle capable of outputting an on-off signal and an analog signal. When the roller-skates electric serviceable tool is in use, the backpack is carried on shoulders by a user, the roller skates are put on feet, and the control handle is held by a hand. The backpack is connected with the roller skates through a power supply wire, and the control handle is connected with the backpack through a data wire; and the backpack can supply power to the motor on the roller skates so as to drive the roller skates to move forwards, and the control handle can transmit different control orders to the motor control circuit on the backpack so as to control a speed, the steering, the brake and the clutch in the traveling process. The roller-skates electric serviceable tool is small in overall space occupation, simple and high efficient to control and is suitable for the fields with dense population, busy traffic and difficulty for other serviceable tools to effectively move.

The invention provides a locking structure of an upper cover of a machine box. A machine box body is formed by an upper cover and a machine box bottom seat, a groove is formed in the upper cover and the machine box bottom seat, and an upper cover locking assembly is arranged in the groove. The locking structure is fast, labor-saving and convenient to assemble and disassemble. The upper cover can be used without screws without using any tool, so that firm fixation and rapid and labor-saving installation and disassembly of the upper cover of the machine box can be realized. The locking structurehas a locking function, and guarantees the safety requirement of internal components of the machine box.

The invention discloses a metal material plating device which comprises a car body and a base body arranged above the car body. A first rotating groove with a leftward groove port is formed in the left side end surface of the base body; a first rotating rod is rotatably arranged in a front end wall and a rear end wall of the first rotating groove; a rotating wheel with a left side semicircle stretching out of the left side end surface of the base body is fixedly arranged on the first rotating rod; a concave cavity is arranged on an inner bottom wall of the first rotating groove in a communicating way; a uniform stirring device is arranged in the base body on the right side of the first rotating groove, and comprises a second rotating groove arranged on the right side of the first rotatinggroove; a second rotating rod is arranged on the second rotating groove in an up-and-down extending way; the upper end of the second rotating rod is rotatably arranged in an inner top wall of the second rotating groove; and the lower end of the second rotating rod is in power connection with an electric rotating machine fixedly arranged in an inner bottom wall of the second rotating groove.

The invention relates to a focal plane assembly adjusting device and method. The focal plane assembly is composed of a detector and a detector mounting plate, and an adjusting device comprises a fixing screw, a screw for adjusting and tightening and a locking screw. Four mounting corners of the detector mounting plate are designed into flexible structures, the flexible design ensures that the detector is provided with six-dimensional degree of freedom and has necessary strength, and the adjustment of different dimensions of the detector mounting plate can be realized through the adjusting andtightening screws at different positions, so that an optical system is ensured to meet a certain precision requirement, and the detector mounting plate is locked through the locking screws after the adjustment is completed. The device is simple in structure and convenient to adjust, high-precision adjustment of the focal plane can be achieved, and six-dimensional adjustment of the focal plane assembly is achieved.

The invention relates to a closing device, comprising a locking mechanism, which has a rotary latch and at least one pawl for locking the rotary latch. The closing device comprises an electric drive for moving components of the closing device. The present invention is especially advantageous for front hoods or front flaps, which are located in the front as viewed in the typical direction of travel of a motor vehicle. The invention further relates to a method for closing a hood by means of a closing device according to the corresponding claims. The present invention aim to be able to suitably move and control a plurality of components in such a closing device without having to make an excessive technical effort therefor. The invention should preferably enable a purely electrically operated hood lock having locking, opening, and closing functions. In order to achieve the aim, a closing device having a locking mechanism comprises a control disk, by means of which at least two components, preferably at least three components, of the closing device can be moved by means of rotation of the control disk. Thus, for suitable movement of a plurality of components, it is only necessary to rotate the control disk by rotation by means of an electric drive in order to be able to close and / or open a door or flap.

The invention discloses a method for calculating and refreshing functional feature codes of graphical page programs. The method comprises the following steps of: respectively defining a static feature code and a dynamic feature code for a page program, and displaying the static feature code and the dynamic feature code in a page header or a page footer area of a graphical page; when the page is opened and initiatively stored, calculating the static feature code and assigning the static feature code to the dynamic feature code; in a page program edition process, obtaining an edition operation triggered by a mouse or a keyboard, immediately calculating a page refreshing dynamic feature code, and when the two feature codes are inconsistent, drawing and displaying the feature codes by adoption of different colors or fonts so as to intuitively identify whether related operations in the page edition process influence the program functions or not; and summarizing each symbol on an energy flow transfer path in which source symbols are input through depth-first traversal, extracting and splicing feature data of each symbol, and carrying out calculation to form an MD5 abstract value or a CRC value to serve as a functional feature code of the graphical page program.

The invention relates to a seal valve switch electric machine which is suitable for various seal valves. The seal valve switch electric machine comprises a shell body, a stator, a rotor, a rotor shaft, an insulation sleeve and a base. The insulation sleeve is arranged between the rotor and the stator and fixed on the base through bolts. A first seal ring is arranged between the insulation sleeve and the base. The upper end of the rotor shaft is installed on the top wall of the insulation sleeve, and the lower end of the rotor shaft stretched out of the base. The stator comprises stator iron cores and stator coils. Each stator coil is arranged on the corresponding stator magnetic pole in a sleeved mode. An annular groove which is used for placing seal rubber rings is formed in the bottom surface of the base. The shell body is fixed on the base through bolts. The seal valve switch electric machine has the advantages that due to the fact that the motive seal of the valve is replaced by the static seal of the valve, the seal effect is greatly improved; due to the fact that a switch of the valve is controlled by electric pulse, the flow of media in pipelines can be accurately controlled; and the seal valve switch electric machine is simple in structure and low in cost.

The invention belongs to the field of testing, and particularly relates to a valve element micrometric displacement testing device. The device comprises a Y-direction adjusting platform, an X-direction adjusting platform fixedly located at one end of the Y-direction adjusting platform, and a Z-direction adjusting platform fixedly located at the other end, opposite to the Y-direction adjusting platform, of the X-direction adjusting platform, wherein the Y-direction adjusting platform can move in the Y direction, the X-direction adjusting platform can move in the X direction, and the Z-direction adjusting platform can move in the Z direction. According to the valve element micrometric displacement testing device, accurate and quantitative testing can be conducted on servo valve element micrometric displacement, and therefore a foundation is laid for studying valve element viscous damping coefficients and other power level parameters.

The invention relates to the technical field of civil air defense basements, and discloses a counter-pulling device for reinforcing a top plate beam of a civil air defense basement. The counter-pulling device comprises the top plate beam and a bearing beam, wherein the bearing beam is perpendicular to the top plate beam, and the top end of the bearing beam is fixedly connected with the bottom of the top plate beam; a fixing block is fixedly connected to the outer side of the bearing beam in a sleeving mode, and the outer section of the fixing block is of an annular structure; screw rods are symmetrically arranged on the upper surface of the fixing block, and the two ends of the screw rods are correspondingly and rotationally connected with the fixing block and the top plate beam through bearing seats; the screw rods are connected with the fixing block through driving assemblies, and matched nuts are connected to the screw rods in a threaded and sleeving mode; and two concentric-square-shaped plates which are symmetrical about the bearing beam are arranged on the top plate beam in a sleeving mode, connecting rods are hinged to the bottoms of the concentric-square-shaped plates, and the two connecting rods are symmetrically arranged. According to the counter-pulling device, reinforcing supporting points of the top plate beam can be conveniently adjusted according to actual building requirements, moreover, a locking function is achieved, and the positions of the reinforcing supporting points are effectively prevented from being changed.

The invention discloses a multidirectional locking intramedullary interlocking nail, and belongs to medical apparatuses and instruments. The far end of a main nail is provided with a front-back direction lock pin straight-passing lock nail hole A, an internal-external direction lock pin internal and external transverse pass lock nail hole B, and two internal-external direction internal and external transverse pass or 45-degree internal and external inclined pass lock nail holes C, the near end of the main nail is provided with a front-back direction lock nail front-back straight pass lock nail hole A, two 90-degree intersection, two 90-degree intersection lock nail front-internal, front-external to back-external and back-internal transverse pass lock nail holes D, two internal-external direction internal-external transverse pass or 45-degree internal-external inclined pass lock nail holes C and an internal-external direction internal-external transverse pass lock nail hole B. The multidirectional locking intramedullary interlocking nail has the advantages that the stability of the angle between the main nail and the lock nail is stronger; the near end and the far end have multidirectional locking; the high-thread cancellous bone lock pin has the surrounding, extrusion and fixing effect on a fracture of distal radius.