60results about How to "Auto lock" patented technology

A luminous element drive circuit and a method thereof are disclosed. One end of the luminous element is coupled to a power voltage and the cathode of a diode by an inductor, and the other end thereof is coupled to the anode of the diode. The luminous element drive circuit comprises a switch, a current sensing circuit and a switch control circuit. The current sensing circuit is coupled to the anode of the diode by the switch and used for deciding whether to generate closing control signals according to the breakover current value of the switch. The switch control circuit is used for controlling the breakover and closing of the switch and can close the switch according to the closing control signals. In addition, the switch control circuit is also used for comparing the breakover current value of the switch with a reference current value, so as to generate comparison result to dynamically adjust the time length for closing the switch.

In a manipulator (10), an actuator block (30) contains motors (40a to 40c) and rotary shafts (42a to 42c) extending from the motors (40a to 40c). A working unit (16) of the manipulator (10) contains a connecting portion (15), attachable to and detachable from the actuator block (30). The connecting portion (15) has pulleys (50a to 50c) connectable to ends of the rotary shafts (42a to 42c), and has a locking plate (304) movable by alignment pins (212a to 212c). The locking plate (304) has slits (316a to 316c), which are engaged with plate-shaped portions (308a to 308c) formed on the upper ends of the pulleys (50a to 50c). A coil spring (306) is placed between the locking plate (304) and a top plate (334).

The invention discloses a cupping jar provided with a negative pressure compensation cavity, and belongs to the field of medical apparatuses. The cupping jar is characterized by comprising a jar body,a valve, a piston and a piston rod; the valve is located in the middle of the jar body, a horizontal hole is formed in the middle of the valve, and a first spring, a cylinder, a fourth spring, a second threaded spring and a fifth spring are arranged in the horizontal hole from back to front in sequence; a center hole is formed in the axis of the cylinder, and a second spring, a first cylinder, athird spring and a first threaded cylinder are arranged in the center hole from back to front in sequence; a rotary button is arranged at the front portion of the horizontal hole. Compared with the prior art, the cupping jar has the advantage that the pressure inside the cupping jar is constant and adjustable.

The invention relates to an intelligent central control system of an electric vehicle. The system comprises a central processing platform and a terminal information receiving controller. The central processing platform comprises a master control single-chip microcomputer, a human-computer interaction interface, a controller feedback unit, a battery feedback unit, a burglar alarm feedback unit and a steering gear feedback unit. The human-computer interaction interface is arranged in the middle of a handlebar of a vehicle head and displays data processed by the master control single-chip microcomputer so that the working state of the electric vehicle can be monitored in real time. The central processing platform and the terminal information receiving controller are in two-way communication wirelessly. Due to the fact that the system is provided with the central processing platform and various feedback units, the state of the electric vehicle can be detected, and the electric vehicle can be controlled. Besides, because the system is further provided with the terminal information receiving controller, corresponding response is made after a signal is received. When the terminal receiving controller goes beyond a set communication distance from a central control platform, the electric vehicle is automatically locked.

The invention relates to a multifunctional self-adaptive maintenance platform and an operation method thereof. The multifunctional self-adaptive maintenance platform comprises a lifting frame, whereinthe lifting frame is of a square frame type structure; upper guide wheel assemblies are mounted on the two sides of the upper part of the lifting frame respectively; lower guide wheel assemblies aremounted on the two sides of the middle part of the lifting frame respectively; hoisting machines are mounted on the two sides of the lower part of the lifting frame respectively; a centrifugal safetylock is mounted on the lifting frame above each hoisting machine; the front side of the lifting frame is connected with a working hanging basket through a swinging arm and a screw rod mechanism; a balancing weight is mounted on the rear side of the bottom of the lifting frame through a balancing weight bracket; the working hanging basket does lifting motion along with the lifting frame; and the working hanging basket does transverse telescopic motion relative to the lifting frame through the rotation of the swinging arm. The multifunctional self-adaptive maintenance platform has the advantagesof being compact and reasonable in structural design and convenient to operate, the working range of the hanging basket is expanded and the movement direction of the hanging basket is expanded, and the positioning precision and the working efficiency are improved.

The invention discloses an opening-closing door of processing equipment for a valve cover of an electromagnetic valve. The opening-closing door of the processing equipment for the valve cover of the electromagnetic valve comprises two observation windows arranged on the opening-closing door; upper flanges, lower flanges and side flanges which inwards extend are arranged on the opening-closing door; the opening-closing door further comprises a door locking device; the door locking device comprises a door opening sliding chute formed in one door of the opening-closing door; a spring fixing cover is arranged on the opening-closing door and covers the door opening sliding chute; a first guide seat is arranged on the lower end faces of the upper flanges and are located above the spring fixing cover; the upper end of a first guide post sequentially penetrates through the first guide seat and the upper flanges; the lower end of the first guide post penetrates through the spring fixing cover; and a switch fixing seat is fixedly arranged on the first guide post located in the spring fixing cover. By means of the mode, the opening-closing door disclosed by the invention is simple in structure and simple and convenient to operate; the door can be opened by only sliding a switch; and during locking, the door resets by use of a spring, and can be automatically locked.

The invention relates to a balloon control ring (11) which is arranged between a thread guide and a ring traveller in a ring spinning machine (1). Advantageously, said balloon control ring consists oftwo half rings (12), wherein the two half rings (12) are pivotably mounted in such a manner that said ring can be opened or folded up. The two half rings (12) may comprise a fork (14), in addition tothe bearing, each of which is guided around the bearing (13), and may comprise engagement means (15) located behind the bearing (13) which engage in each other. The balloon control ring (11) may be opened by a lever (16) or a pinion (18). The invention also relates to a corresponding ring spinning machine (1).

The invention discloses a marine monitoring buoy device and system based on water surface and underwater target early warning. The device comprises a buoyancy compartment, a water surface target recognition and early warning device, a positioning and signal transmission device used for communication, an underwater heavy block located on the lower portion of the buoyancy compartment, a plurality ofstandard hydrophones, an underwater laser radar and a bottom anchor. When the monitoring buoys are arranged on the sea, target recognition and early warning systems are arranged on the water surfaceand under the water, and the possibility that the buoys are damaged is fundamentally eradicated. By establishing a single-photon laser radar fine imaging model, through sequential denoising of depth,intensity and image background and point cloud recovery, fine image features can be presented, effective early warning can be performed, and the requirements of speed and definition can be met; the data acquisition system adopts an ADC component based on a low-power-consumption embedded industrial personal computer, a high-capacity solid state disk and 12-channel synchronous sampling, is suitablefor signal acquisition with phase relationship requirements among different channels, and meets the complex wiring requirements of different sensors.

The invention discloses an arm strength exercise protection mechanism assembly, and the assembly comprises a base and a frame fixed to the rear end of the base; by arranging an arm strength device clamping block with a lifting function, the purpose that an arm strength device can be clamped to adapt to fitness crowds at different heights is achieved, and the purpose of widening the range of the adaptive crowds is achieved. The counting mechanism capable of counting pressing after the arm strength device is bent and reset is arranged at the upper end of the clamping block, so that counting can be completed only after the exercise action reaches the standard, and the purposes of exercising and improving the exercise action standard and conveniently counting are achieved; the hand-held block capable of sensing the state of the hand-held arm strength device is arranged in the clamping block, so that the arm strength device can be used for bending exercise only when the hand holds the arm strength device, and the arm strength device can be automatically locked to prevent injury when the hand-held block is loosened and slipped.

The invention discloses a low pressure seed processing apparatus, and belongs to the technical field of biology. The low pressure seed processing apparatus is characterized by comprises a culture boxand a negative pressure compensation device. The negative pressure compensation device comprises a cylindrical tank with an opening in the lower end. A partition plate and a piston are arranged in thetank. The partition plate is fixed on the middle position of the tank and divides the interior of the tank into two cavities: an upper cavity and a lower cavity. The piston is arranged in the upper cavity. The edge of the piston and the inner surface of the tank are connected in an airtight mode. The middle of the piston is provided with a vertical central hole. A piston rod penetrates the central hole. A No.5 spring is arranged between the piston and an upper flange. The periphery of the piston rod is provided with one or more spring pieces. A gas separation film is arranged on the lateral wall of the tank in the lower cavity. The partition plate is provided with a valve body. Compared with the prior art, a low pressure culture environment with a constant oxygen content can be provided.

The invention mainly discloses a suitcase with self-locking function, which includes a box body, a pull rod and a moving mechanism. The moving mechanism includes a mounting plate, a wheel frame, a cardan shaft, a wheel shaft and a pulley. The upper end of the wheel frame is provided with a shock absorber. The wheel frame is connected to the mounting plate through the cardan shaft, and the pulley is connected to the wheel frame through the wheel shaft. The first locking piece and the second locking piece are arranged on the wheel shaft, and the first locking piece and the second locking piece are respectively located on the On the left and right sides of the pulley, the first locking piece and the second locking piece are both composed of a sleeve and a locking block. An electromagnet is arranged on the sleeve of the first locking piece, and an electromagnet is arranged on the sleeve of the second locking piece. Features metal blocks. The invention has the advantages of simple structure, convenient assembly and disassembly, and can automatically lock the pulley to prevent the rolling of the pulley, thereby further fixing the suitcase and making the use more convenient.

The invention discloses an efficient new energy battery production waste treatment device. The efficient new energy battery production waste treatment device comprises a box body, wherein a transmission cavity is formed in the box body. According to the efficient new energy battery production waste treatment device, the amount of to-be-processed is controlled according to the related knowledge ofmechanical transmission and the different gravities of new energy batteries on a collecting plate, the new energy batteries automatically move downwards to push a control buckle on the lower side to realize automatic locking when the weights of the new energy batteries on the collecting plate reach a certain amount, a transmission motor is started through wedge transmission, a closed cam is drivento rotate through belt wheel transmission, so that the quantitative batteries on the collecting plate are pushed to a crushing cavity, and the effect of automatic quantitative treatment is realized;and moreover, the batteries on the collecting plate can be automatically restored while being pushed to the crushing cavity.

The invention discloses a portable midwifery device, which belongs to the field of medical equipment, and is characterized in that it includes a suction device, a catheter and a negative pressure device; the two ends of the catheter are respectively connected to the suction device and the negative pressure device, The air between the suction head device and the negative pressure device is connected; the negative pressure device includes a cylindrical tank, and a partition and a piston are arranged in the tank; the partition is fixed in the middle of the tank, The inner part of the tank is divided into upper and lower chambers, i.e. an upper chamber and a lower chamber; the conduit is connected to the lower chamber; the piston is located in the upper chamber, the periphery of the piston is airtightly connected with the inner surface of the tank, and the upper surface of the piston The piston rod is fixedly connected; an air outlet valve is arranged in the lower chamber of the tank body, and the air outlet valve is connected with the lower chamber and the upper chamber. Compared with the prior art, it has the characteristics of adjustable and constant negative pressure.

The invention discloses a low-pressure seed treatment device, which belongs to the field of biotechnology, and is characterized in that it includes a culture box and a negative pressure compensation device; the negative pressure compensation device includes a cylindrical tank with an open lower end, and a Partition plate and piston; The partition plate is fixed in the middle of the tank body, and the tank body is divided into upper and lower chambers, namely the upper chamber and the lower chamber; the piston is located in the upper chamber, and the periphery of the piston and the tank body The surface is airtightly connected; a vertical central hole is provided in the middle of the piston, and the piston rod passes through the central hole; a No. 5 spring is provided between the piston and the upper flange; one or more a spring piece; a gas separation membrane is provided on the side wall of the tank at the position of the lower chamber; a valve body is provided on the partition. Compared with the prior art, it can provide a stable low-pressure culture environment with constant oxygen content.

The invention discloses a self-locking anti-falling well cover, which comprises a well cover and a well cover seat. The well cover is placed on the well cover seat. There is a groove for accommodating the lock hook, the bottom of the groove is provided with a wedge-shaped protrusion, and the hook-shaped end of the lock hook is connected with the wedge-shaped protrusion; there are two wedge-shaped protrusions and the lock hook. This self-locking anti-off manhole cover has a good anti-off effect, is not easy to be washed away by the water flow under the manhole cover, and can increase the safety of the road surface when waterlogging occurs.

The invention relates to the field of motor machining, and particularly relates to a small motor machining system and method. The machining method comprises the steps: intermittently adding an addingmotor rotor, an adding motor combination upper shell body and an adding motor combination lower shell body into a motor adding composition frame side by side, and enabling a rotor adding device to drive the adding motor rotor to reach a specified position; then enabling a stable combined adder to drive the adding motor combination upper shell body and the adding motor combination lower shell bodyto move inwards at the same time; according to driving of the stable combined adder, making the adding motor rotor be assembled between the adding motor combination upper shell and the adding motor combination lower shell in a matched mode through the adding motor combination upper shell and the adding motor combination lower shell, and meanwhile enabling the adding motor combination upper shell and the adding motor combination lower shell to be automatically locked; and separating the assembled motor from a strong magnet and taking out, and repeating the process.

The invention discloses a modified fire extinguisher storing box. The modified fire extinguisher storing box comprises a box body and a box cover used by being matched with the box body. A box cover groove used for installing the box cover is formed in the right side of the box body. A storing cavity is formed in the box body. The storing cavity communicates with the box cover groove. At least one set of placing tables is arranged on the inner bottom wall of the storing cavity. An inserted and placing groove is formed in each placing table. An installing and connecting groove is formed in the box body of the bottom of the box cover groove. A locking and holding groove which communicates with the installing and connecting groove is formed in the box body of the left side of the installing and connecting groove. A locking and holding device used for locking and holding the box cover is arranged in the locking and holding groove. The modified fire extinguisher storing box is simple in structure, low in manufacturing cost and long in service life, locking for the fire extinguisher box can be achieved automatically, unlocking is simple and convenient, the whole structure is stable, extending or contracting adjusting for a sliding and connecting wheel can be conducted according to using demands, the moving performance is high, existing demands are met, and the modified fire extinguisher storing box is suitable for being used and popularized.

The invention relates to a balloon control ring (1), which is arranged between a yarn guide and a ring traveler of a ring spinning machine (1). Advantageously, the balloon control ring consists of two half-rings (12), wherein the two half-rings (12) are pivotally mounted so that the rings can be opened or deployed. In addition to the bearings, the two half-rings (12) may comprise forks, each fork being guided around the bearings (13); and may comprise engaging mechanisms (15) behind the bearings (13) that engage each other. Balloon control ring (11) can be opened by lever (16) or pinion (18). The invention also relates to a corresponding ring spinning machine (1).

The invention discloses a simulated live-action sand table for urban and rural planning management construction, and the sand table comprises a table body, the upper surface of the table body is provided with a mounting groove, the mounting groove is internally provided with a disc body, and the lower surface of the table body is fixedly provided with four supporting legs; the inclination assembly is used for adjusting the inclination angle of the disc body, the inclination assembly comprises a threaded rod and a sliding block, the threaded rod is sleeved with the sliding block in a threaded mode, an installation plate is fixedly installed between the two supporting legs, the threaded rod is vertically and rotationally installed on the installation plate, and the back face of the disc body is rotationally connected with the sliding block; and the limiting component is used for limiting rotation of the disc body. When the tray body needs to be obliquely displayed, a worker can quickly control the sliding block to move in the vertical direction through the inclination assembly, so that the tray body can be quickly adjusted to incline, the inclination angle of the tray body can be automatically controlled, and the practicability of the device is improved.

The invention relates to the technical field of computers, in particular to an integrated multifunctional computer network transmitter structure which comprises a mounting bottom plate frame, an arc-shaped mounting frame, a transmitter body, a mounting cover plate and the like. An arc-shaped mounting frame is connected to the top of the mounting bottom plate frame through bolts, a conveyor body is fixedly connected to the inner side of the arc-shaped mounting frame and located at the top of the mounting bottom plate frame, and a mounting cover plate is fixedly connected to the upper portion of the arc-shaped mounting frame. Through the cooperation of the slotted sliding frame and the devices on the slotted sliding frame, an operator only needs to insert a plug into the jack on the transmitter body and then loosen the plug, and the slotted sliding frame drives the plug to reciprocate so as to realize the reciprocating plugging action of the plug. Therefore, oxides possibly existing in the socket on the transmitter body due to long-term non-use can be removed, and the condition of poor contact after a plug is plugged is avoided.

The invention discloses intelligent display screen equipment which comprises a clamping frame and a display screen arranged in the clamping frame. A clamping assembly is arranged in the left side endsurface of the clamping frame; an installing frame is fixedly arranged on the left side of the top end surface of the clamping frame; a first sliding hole is formed in the left side end surface of theinstalling frame; a first sliding frame is arranged in the first sliding hole in a sliding fit way; a second sliding hole is formed in the inner top wall of the first sliding hole; a second sliding frame with the bottom end surface being fixedly connected with the top end surface of the first sliding frame is arranged in the second sliding hole in a sliding fit way; a first screw rod is arrangedin the second sliding frame in a threaded fit way; the extending tail end of the left side of the first screw rod is connected with the left side inner wall of the second sliding hole in a running fitway; and a first electronic roller is connected to the extending tail end of the right side of the first screw rod in a power fit way.

The invention discloses a cupping glass with an adjustable negative pressure value and belongs to the field of medical instruments. The cupping glass is characterized by comprising a glass body, a valve body, a piston and a piston rod, wherein the valve body is located in the middle position of the glass body, a horizontal hole is formed in the middle of the valve body, and a spring I, a cylinder,a spring IV, a spring II and a spring V are sequentially arranged in the horizontal hole from back to front; a central hole is formed in the axis of the cylinder, and a spring II, a column body I, aspring III and a threaded barrel I are sequentially arranged in the central hole from back to front; and a knob is arranged in front of the horizontal hole. Compared with the prior art, the cupping glass has the characteristic that the pressure in the cupping glass is constant and adjustable.

A multifunctional portable child dining chair is characterized by comprising a child seat assembly (1), an upper seat assembly (2), an upper chair leg lock assembly (3), a lower seat assembly (4) anda lower chair leg lock assembly (5). When the dining chair is unfolded, the requirements of children of different ages on the dining chair can be met by adjusting the position of a dinner plate (1-4),the upper seat assembly (2) and the lower seat assembly (4) are compact in structure, safe, stable and capable of saving space, the upper chair leg lock assembly (3) and the lower chair leg lock assembly (5) can automatically lock a chair leg assembly (2-2), and safe and relieved dining experience is provided for children. After the dining chair is folded, the structure is small and neat, carrying is convenient, and traveling is easier and more pleasant. When the child dining chair is disassembled, the child dining chair can be disassembled into three individuals, adult users and children canuse the child dining chair simultaneously, and the utilization rate of the child dining chair is increased. The multifunctional portable child dining chair is easy to operate, reliable to use, safe,stable, convenient to carry, elegant, attractive and high in applicability.

The present invention provides a system and method for tracking the identity of the driver of a vehicle using the on-board equipment of a police car, wherein the system includes: identifying the license plate number of a motor vehicle within a preset range through a license plate information identification module; Information, and then generate a continuous driving trajectory; through the electronic fence module, the first number information in the electronic fence area is obtained at a preset cycle, and when the target motor vehicle is detected to leave the electronic fence area, the second number information is obtained; and then through the target The number determination module determines the target number information of the target motor vehicle; through the first display module, the target number information is marked on the target motor vehicle, and an electronic map of all motor vehicles that contain the marked target number information in the monitoring road section is generated; and then according to The license plate number information of the target police vehicle is selected from the first electronic image to screen the images of adjacent parts of motor vehicles centered on the target police vehicle to generate a second electronic image.

The invention relates to a steel gate with a locking device. The steel gate with a locking device comprises a door frame, wherein a cross beam is arranged at the upper end of the door frame, a winch opening and closing machine is arranged on the cross beam, a steel gate is arranged in the door frame, and roller wheels are all arranged at the upper end and the lower end of the two sides of the steel gate; longitudinal guide grooves are formed in the two sides of the door frame, the roller wheels are located in the longitudinal guide grooves, a lifting lug is arranged on the steel gate, a steelwire rope of the winch opening and closing machine is connected with the lifting lug, and a V-shaped connecting rod is arranged at the upper end of the inner side of the door frame; and the corner ofthe V-shaped connecting rod is rotationally connected with the door frame through a pin shaft, and an arc-shaped groove matched with the roller wheels is formed in one end of the V-shaped connecting rod. According to the steel gate with the locking device, the structure is simple, the V-shaped connecting rod is additionally arranged, the arc-shaped groove in one end of the V-shaped connecting rodis used for supporting the roller wheels of the steel gate, the steel gate can be effectively locked, steel wire rope suspension is not needed, the safety is high, and the service life is prolonged.

The invention provides an upright locking mechanism. The upright locking mechanism comprises a movable upright and a base which are connected via a rotating shaft, wherein a rotary latch hook, a knob shifting fork and a reset shifting fork are connected to the base; a reset spring is arranged on each of the knob shifting fork and the reset shifting fork; branching support legs are formed at one end of the rotary latch hook and the two branching support legs are respectively clamped into the knob shifting fork and the reset shifting fork; a latch hook head and a latch hook support leg which are divergent are formed at the other end of the rotary latch hook; a lock hole corresponding to the latch hook head is formed in the movable upright; the movable upright oppresses the latch hook support leg to drive the rotary latch hook to rotate when rotating; the latch hook head is clamped into the lock hole.