95results about How to "Stay locked" patented technology

The invention relates to a repeatable locking device for a magnetically suspended flywheel, which comprises a flywheel system, a driving mechanism and a locking mechanism, wherein the locking mechanism is arranged outside a flywheel rotor and is fixed to a flywheel base through a fastening bolt. The flywheel system mainly comprises a flywheel stator shaft, a flywheel rotor and a base; the driving mechanism mainly comprises a fixed plate, a left bearing pressure ring, an upper bearing pressure ring, a motor, a worm, a coupling joint, a worm wheel, a fixed pole, a locking fork, a spherical nut, a worm wheel link rod and a bearing; and the locking mechanism mainly comprises a spring chip seat, a spring chip, a spring chip body, a small pole, a steel rope and a connecting pole. The locking device protects a magnetically suspended flywheel system, and has the advantages of repeatable use, high reliability, simple structure and the like.

The invention discloses a hard disk cartridge and a hard disk bracket thereof. The hard disk bracket comprises a lever and a resetting component, wherein the lever is hinged with an end of the hard disk bracket, and the resetting component maintains a locking component in an unlocking state; the lever has a locking position and an unlocking position; when the lever rotates to the locking position and is opposite to the locking component, the locking position is abutted to the locking component in a matched manner so as to push the locking component to overcome resetting force of the resetting component to be locked with a case in a matched manner, and the lever is positioned under the abutted effect; and when the lever rotates to the unlocking position and is opposite to the locking component, the locking component resets and is separated from the case to be unlocked. The hard disk bracket is matched with the locking component through the locking position of the lever so as to push the locking component to be locked with the case in the matched manner; and when the locking component is locked, the lever is positioned by abutted force between the lever and the locking component, and accordingly can be automatically positioned at the locking position without the aid of other components. Therefore, the hard disk bracket is simple in structure and convenient to operate, and locking reliability is improved.

Disclosed is a container lid for vacuum sealing which generates negative pressure in the internal space of a container, which is provided by covering the open upper part of a container main body, and seals same. An annular packing is mounted so as to go around the inner surface of a lid main body, and a check valve is mounted in the inner part of the outer surface of the lid main body. The check valve generates negative pressure in the internal space of the container by allowing air inside the container to flow to the outside but preventing outside air from flowing into the container when a pressure difference occurs between the inside and outside of the container. A plurality of self catching protrusions are provided respectively at a plurality of points on the edges of the lid main body, and a plurality of locking members are mounted respectively and pivotably in sections adjacent to the plurality of self catching protrusions. Each locking member comprises: self-locking protrusions which are press-fitted and coupled to the self catching protrusions in a closed state so that the locking members are not released; and main body-locking protrusions which prevent the container lid from being taken off from the container main body by being caught by the circumference of the opening part of the container main body or a main body catching protrusion, even if the container lid rises due to the expansion of the packing as a result of a decrease in the negative pressure generated inside the container.

The invention discloses a locking structure and electronic equipment. The locking structure comprises a pushing and pressing component, a locking rod, an attracted member, a magnetic member and a first connecting member. The pushing and pressing component is arranged in a second structure body and comprises a first pushing and pressing member protruded to a first contacting surface of the second structure body; the locking rod is arranged in the second structure and is provided with a first positioning pin; the attracted member is arranged in the second structure body and is connected to the locking rod; the magnetic member is arranged in the second structure body and is capable of attracting the attracted member; the first connecting member is arranged in a first structure body, a first connecting portion of the first connecting member is protruded to a second contacting surface of the first structure body, and the first connecting portion is provided with a first positioning hole corresponding to the first positioning pin.

A tray locking apparatus of a disc drive to lock a tray on which a disc is placed and which is inserted into a main body of a disc drive. The tray locking apparatus includes a locking boss provided at the main body, a locking plate installed at the tray to slide and having a locking portion provided at one side thereof which is caught by the locking boss as the tray enters the main body, an elastic member to elastically bias the locking plate in a direction in which the locking portion is caught by the locking boss, and a driving mechanism to make the locking plate slide to be out of a position where the locking portion is caught by the locking boss when the tray is drawn. Thus, even when an external impact is applied, the locking state can be firmly maintained. Also, electric power consumed for the locking and unlocking operations is reduced.

Disclosed is a slider (1, 2, 3) wherein a catch fixing rod (20, 50, 80) is formed in a cantilevered state integrally with the upper blade (11, 41, 71) of the slider body (10, 40, 70), and a blocking member (30, 60, 90) for blocking an insertion gap (25, 55, 85) formed between the upper blade (11, 41, 71) and the free end (23, 53, 83) of the catch fixing rod (20, 50, 80) is mounted on the mounting portion of the slider body (10, 40, 70) and fixed in place immovably. The slider (1, 2, 3) is provided with a block holding structure which can prevent other member from entering the insertion gap (25, 55, 85) by holding the block state thereof at the time of fixing the blocking member (30, 60, 90). The slider (1, 2, 3) can thereby fix a catch (5) later to the catch fixing rod (20, 50, 80) arranged on the slider body (10, 40, 70) easily. Furthermore, block state of the insertion gap (25, 55, 85) is held by the block holding structure after the catch (5) is fixed and the blocking member (30, 60, 90) is fixed to the slider body (10, 40, 70). Consequently, other member such as a piece of thin cloth can be prevented reliably from entering and being caught between the upper blade (11, 41, 71) and the free end (23, 53, 83) of the catch fixing rod (20, 50, 80).

The invention provides a quick-change connector, and belongs to the technical field of machines. The problems that an existing quick-change locking connector cannot be rapidly connected, after long-time use, the connecting effect is not ideal, and leakage is easily generated are solved. The quick-change connector comprises a locking sleeve, a locking framework is inserted in the locking sleeve, a connecting pipe is inserted in the locking framework, a first spring is arranged between the connecting pipe and the locking framework, the outer side of the locking framework is sleeved with a second spring, a plurality of upper locking blocks are arranged at the upper end of the locking framework, first threaded teeth are arranged at the inner ends of the upper locking blocks, the second spring can push the locking sleeve to move relative to the locking framework and enables the first threaded teeth to stretch out of the inner side wall of the locking framework, a plurality of lower locking blocks are hinged to the lower end of the locking framework, second threaded teeth are arranged at one ends of the lower locking blocks, outer threads are arranged on the outer side wall of the connecting pipe, and the second threaded teeth are engaged with the outer threads of the connecting pipe. According to the quick-change connector, the beneficial effects of being rapid in connection and good in connection effect are achieved.

The invention discloses an electromagnet mechanism type centrifugal machine door lock which comprises a machine body and a door cover. The top of the machine body is provided with left and right hooks; the bottom of the door cover is provided with left and right bolts which are in fit with the left and right hooks; an automatic lock catch mechanism capable of automatically inserting the hooks into the bolts is arranged in the machine body; the automatic lock catch mechanism comprises a Z-shaped elastic push plate; the elastic push plate is formed by additionally arranging a spring on a push plate body; horizontal pushing on the elastic push plate is implemented by pressing a hidden sleeve which is arranged at one end of the push plate body and extends out of the machine body; resetting is implemented by utilizing the spring; the other end of the elastic push plate is provided with a limiting hole; the lateral surface of the elastic push plate is provided with an electromagnet mechanism; the electromagnet mechanism comprises a bidirectional electromagnet; the bidirectional electromagnet is provided with an iron core capable of being inserted into the limiting hole; and the lower part of the bidirectional electromagnet is fixed in a telescopic elastic mechanism. According to the invention, the door lock can be kept in a locked state under the conditions that a centrifugal machine normally operates and is powered off by accident, so that operation safety of personnel is ensured.

The invention provides a box body connecting lock, a spliced box body and an LED spliced screen, wherein the box body connecting lock is used for splicing a box body and comprises a connecting lock main body, a male seat assembly, a plurality of female seat assemblies, a transmission mechanism and a locking mechanism, wherein the male seat assembly is arranged on the box body to be spliced; the female seat assemblies are mounted on the connecting lock main body, and the female seat assemblies are detachably connected with the male seat assembly; each female seat assembly has a first position for locking the male seat assembly and a second position for unlocking the male seat assembly; the transmission mechanism is connected with the female seat assemblies to change the positions of the female seat assemblies; and the locking structure is arranged on the transmission mechanism to lock or unlock the transmission mechanism. According to the technical scheme, the problems that a box body connecting lock in the prior art is inconvenient to operate, low in efficiency and relatively poor in reliability are effectively solved.

The present invention generally relates to a device for locking an axially movable rod member. The device includes a ring-type locking unit and a piston serially arranged along the hole, wherein the rod member is disposed in the hole to be axially movable through the locking unit and the piston. The locking unit may be a lock block including an outer ring having an inclined surface on one side thereof, thereby defining a wedge-type space, an inner ring coaxially disposed in one side of the outer ring and accommodating a pressurizing member interacting with the inclined surface, and a spring disposed in the other side of the outer ring so as to elastically connect the outer ring and the inner ring. The locking unit is a locking module. The device for locking the axially movable rod member has advantages of simple structure, easy assembling and easy detachment.

A lock with combined cylinder is composed of main body, lock core, round-end cylinders installed in lock core, flat-end cylinders installed in main body, and the springs and pins for said flat-end cylinders. Its features that said round-end and flat-end cylinders are respectively composed of extrnal hollow one and internal one, and for the flat-end cylinder, its external hollow one contains an internal one and a spring. Its advantage is the self locking function and mutual locking function of cylinders.

The invention discloses a fast-locking anti-loosening locking device comprising a body, a pull rod with a thread, a pressing block and an eccentric handle. The fast-locking anti-loosening locking device is characterized in that the pressing block is arranged on one side of the body, the pull rod penetrates the pressing block and the body, one end of the pull rod is movably connected to the eccentric handle, and the other end of the pull rod penetrates the body to match with a cover-shaped nut in a threaded manner; the cover-shaped nut is rotated to adjust the distance between the pressing block and the device to adapt to guide rails of different sizes. The fast-locking anti-loosening locking device has the advantages that even though in the state of firearm firing, the fast-locking anti-loosening locking device can maintain a locking state instead of loosening, so that the mechanism is guaranteed to be reliable and practical.

Provided are a lens barrel and an image pickup device, in which an optical member that is freely movable in an optical axis direction inside the lens barrel during no application of electric current,can be locked, and the locked state of the optical member can be maintained with no use of particular electric power. A movable frame (22) holding a focus lens (20) is driven in an optical path direction by a linear motor. When the movable frame (22) is locked with no electric current applied to the linear motor, the movable frame (22) (engagement part (24)) is caused to abut, at an end of the movable range of the movable frame 22, against a restriction part (12), and further, a lock ring (40) is rotated to a lock position by means of an electric actuator (50). As a result, the movable frame (22) is fixed in an unmovable manner by the restriction part (12) and a lock portion (40A) of the lock ring (40). The electric actuator (50) includes a worm gear (56) as a motive power transmission mechanism. An irreversible rotation function of the worm gear (56) enables holding of the lock ring (40) at the lock position.

The invention provides a retractable table and belongs to the field of furniture. The retractable table comprises a table board, a supporting base, an automatic retractable mechanism and a locking mechanism; the table board comprises a fixed plate and movable plates distributed in the circumference direction of the fixed plate, and the supporting base is arranged at the bottom of the table board;the automatic retractable mechanism is arranged at the bottom of the table board, and through the automatic retractable mechanism, the application area of the table board can be increased. When the movable plates move to the maximum position, through the locking mechanism, the automatic retractable mechanism keeps a locking state, and the movable plates always keep flush with the fixed plate. According to application demands, the size of the foldable table is easily and conveniently changed.

This invention relates to a latch system for a door, and more particularly, to a latch system for a door, in which a locking member configured to lock a latch includes a sliding member slidably installed at a housing.

The invention discloses an improved locking mechanism of a vertical pipe and a regulating pipe used for bicycles and body building instruments. The vertical pipe is freely inserted and arranged in the regulating pipe, the positions of the vertical pipe and the regulating pipe are relatively fixed through the locking mechanism, the improved locking mechanism is provided with a slide block and a fast dismounting handle, a slide pipe used for making the slide block move freely is arranged on the regulation pipe, the slide block can freely move in the axial direction of the slide pipe in the slide pipe, the slide pipe is provided with an opening at the vertical pipe, the slide block can be just tightly butted against or released from the vertical pipe, one end of the fast dismounting handle is provided with an arc-shaped groove, a positioning pin is arranged on the slide block, the positioning pin simultaneously and movably passes through the arc-shaped groove, the position between the other end of the fast dismounting handle and the arc-shaped grove is pivoted on the side wall of the slide pipe, and the distance from the position to the arc-shaped groove is smaller than the distance from the position to the other end of the fast dismounting handle. Thereby, the pivoting position is used as a fulcrum for forming the lever principle, the labor can be saved when people lift the other end of the fast dismounting handle, and the invention is favorable for tightly locking the vertical pipe. The invention has the advantages of convenient operation, high locking firmness degree and capability of maintaining the locking state for a long time.

The invention provides an electric connector for a circuit board, which enables the locking state of the connectors to be more reliable, and well reduce the influence of noise between the two terminalcolumns and between the terminal column and the connector. A locking member (30) is located between the two terminal columns in a connector width direction that is in a straight angle with the terminal arrangement direction, and is located in the range of a contacting part between a terminal (20) and an object terminal (60) in a plugging direction of the connector, and extends in a range of the terminal arrangement range in the terminal arrangement direction. A housing member (40) is provided with a side plate part (42) which extends along the outer surface of a housing (10) in the range including the terminal arrangement range along the terminal arranging direction; and a connecting part (42B) which enables the circuit board to be connected to the corresponding circuit part. The lockingmember (30) and the housing member (40) are electrically conducted through a force applying part (45).

The invention discloses an intelligent electric control device for an electric door lock based on RFID and a working method thereof. The device comprises an RFID remote controller, an RFID decoder, a logical judgment circuit, an electric lock switch control circuit, a silence control circuit, an electric lock state feedback detection circuit, a buzzer warning circuit and a storage battery state detection circuit. According to the invention, the device is kept in a normally closed lock state when no operation is executed after electrifying, so that the locking state of a vehicle door can be kept after the power supply of the device recovers the normal power supply under the condition of accident outage or unstable instantaneous voltage. The logical judgment circuit, the electric lock state feedback detection circuit and the electric lock switch control circuit of the device are all arranged as double-loop redundant protecting circuits, and the damage to one circuit can not result in control failure. The device disclosed by the invention is suitable for an economical RFID intelligent electric control device adopted by the railway industry; the intelligent electric control device can be used together with a common electric door lock; and an RFID radio-frequency signal is not interfered while the safety and reliability are ultrahigh.

The invention discloses a smart home security system. The smart home security system comprises a door lock mechanism, a video monitoring mechanism and a central controller; the door lock mechanism comprises a lock body, a lock cylinder is installed in the lock body, an electromagnet is installed in the lock body, the front end of the electromagnet is connected with a ferromagnetic safety pin through a spring, a square hole is formed in the bottom face of the ferromagnetic safety pin, a limiting pin is arranged on the lock cylinder, the square hole is matched with the limiting pin in an inserted mode when the electromagnet is not powered on, the ferromagnetic safety pin is attracted by the electromagnet to enable the square hole to be separated from the limiting pin when the electromagnet is powered on, and an electric control unit of the electromagnet is in communication connection with the central controller; and the door lock mechanism further comprises a plurality of keys matched with the lock cylinder, RFID cards are installed in the keys, the RFID cards of different keys are different, a card reader used for reading the RFID cards is installed in the lock body, and the card reader is in communication connection with the central controller. According to the smart home security system, the defects in the prior art can be overcome, and the security level of the smart home security system is improved.

The invention discloses a novel boxed meal machine. The novel boxed meal machine is composed of a main cabinet and a subcabinet, wherein the main cabinet comprises a cabinet body, the inner portion ofthe cabinet body is provided with a rotating goods shelf, the rotating goods shelf is arranged between an upper support plate and a lower support plat which are arranged in the cabinet body, the sideface of the cabinet body is transparent glass, the front face of the cabinet body is provided with a plurality of cabinet doors, the cabinet doors correspond to storage bins one to one, and the cabinet doors are closed through electromagnetic locks; the subcabinet comprises a shell body similar to a cabinet body structure, the front face of the shell body is provided with a touch control displayer, and the inner portion of the shell body is provided with a controller. The novel boxed meal machine has the advantages that a vertical roller structure is adopted, a main unit used for storing goods can execute rotation, so that a customer can find required goods in time, and a method of intelligent payment and goods taking is adopted to make shopping more convenient.

The invention relates to a hemostatic clip of a continuous-pushing structure. The hemostatic clip comprises clip bodies and a clip base; each clip body comprises a first clip piece and a second clip piece, the back ends of the corresponding two clip pieces are fixedly connected, a clip gap is formed between the corresponding two clip pieces, the clip bodies penetrate through the clip base, and theclip bodies slidably cooperate with the clip base; the front end of each clip piece forms an occlusion part, the back end of each clip piece forms a meshing supporting part, and each meshing supporting part is used for cooperating with the occlusion part of the other corresponding clip piece; the two occlusion parts of the front end of one of the clip bodies are in occlusion with the two meshingsupporting parts of the back end of the other clip body, so that the two clip bodies are in occlusion connection with each other. Based on the fact that the hemostatic clip of the continuous-pushing structure meets the continuous pushing requirement, the clip bodies of the hemostatic clip have an expansion process, and therefore the hemostatic clip can have a lager clip work range and act on bigger bleeding mucosa parts.

The invention discloses a multi-frame superimposed satellite signal capturing method and device, and the method comprises the steps: carrying out the complex conjugate multiplication of a received digital baseband signal and a known symbol of a lead code, and achieving the demodulation; performing sliding window energy accumulation on the demodulated signal, and solving an energy value of an accumulation result to generate N energy value results, N being the symbol length of the physical frame; solving difference values between the N energy values of the current physical frame and N energy smooth values of a historical physical frame, multiplying the difference values by an influence factor a, performing accumulation operation on the difference values and a previous calculation result to obtain N smooth accumulation results, and taking the N smooth accumulation results as N energy smooth values of a new historical physical frame to obtain N energy smooth values of the historical physical frame; forming a first-order feedback loop structure; and reading an energy smooth value of a smooth accumulation result, searching a maximum value and a corresponding cache address, and judging the position of the needle head. Multi-frame superposition is carried out after demodulation, so that the anti-noise capability and the capture probability of capture are improved.

The invention discloses an electric contact bimetal thermometer capable of automatically powering off and alarming, which comprises a stand column, the upper surface of the stand column is fixedly connected with the lower surface of a base body, the surface of the base body is fixedly connected with the inner wall of a lower shell through a screw, and the surface of the lower shell is fixedly connected with an upper shell through a screw. Through the arrangement of a heat conduction head, an interface, a stand column, a capillary groove, an elastic interface, a backflow groove, a pressure relief groove, a first magnetic block and a second magnetic block, after a calibration needle gives an alarm, scale self-locking can be achieved when the thermometer reaches a preset value marked by an adjusting screw, whether the temperature reaches the maximum threshold value or not can be known conveniently, and in this way, the temperature can be detected in real time, and meanwhile, alarm of the temperature preset value and the marking of the maximum temperature threshold value can be realized, the over-temperature recording is realized, the subsequent temperature reduction pointer is still in the maximum threshold value marking state, the timely checking after the alarm is facilitated, and whether the temperature reaches a dangerous value or not can be known.

According to the present invention, there is provided an automobile battery mounting structure in which a leg (30) of a battery base (13) is formed of a metal plate intersecting a vehicle front-rear direction, and the width of the vehicle is larger, (34, 35) is provided at the lower end of the leg (30), and the lower bent portion (34, 35) is fixed to the front side frame (5), and the lower end (38b) is provided at the upper end of the leg portion (30), and the upper end engaging portion (38, 39) is locked to the upper end of the opening (31d, 32d) Battery clamping parts. Accordingly, it is possible to maintain the engagement of the hook portion of the battery gripping bolt with respect to the battery base locking member when the vehicle collides with the front side.

The invention relates to a dual spring electromagnet with a manual unlocking structure. The dual spring electromagnet comprises an electromagnet body and the manual unlocking structure. The manual unlocking structure comprises an unlocking seat, an unlocking sliding block, a retention spring and a spring seat. The unlocking seat and the unlocking sliding block are sequentially mounted on a core shaft in a sleeving manner and are in clearance fit with the core shaft, and the unlocking seat and a base are fixedly connected. A convex block is arranged at the end, close to the unlocking sliding block, of the unlocking seat. An unlocking groove is formed in the end, close to the unlocking seat, of the unlocking sliding block. Under the condition that the electromagnet is locked, the unlocking groove is matched with the convex block, and the convex block is located in the unlocking groove. Under the condition that the electromagnet is unlocked manually, the end face of the end, provided withclamping grooves, of the unlocking sliding block abuts against the convex block, and the unlocking state is kept. The spring seat is arranged on the outer side of the unlocking sliding block and is fixedly connected with the core shaft. The dual spring electromagnet solves the technical problems that the existing electromagnet manual unlocking efficiency is low, threads are prone to being worn, and the falling risk happens to nuts under the vibration condition.

The invention provides a door lock device for vehicles, wherein the device is low in cost, simple in structure and better in protection performance for passengers during the lateral collision process. A lower connection part (51) of a rod (50) is connected with the lower end of an up-down extension part (57). The lower connection part (51) comprises a horizontal extension part (54) bent substantially along the horizontal direction from the lower end of the up-down extension part (57); and an insertion part (53) configured to extend downwardly from the end portion of the horizontal extension part (54) to be inserted into an insertion hole (36). The insertion part (53) comprises a large-diameter part (71) embedded in the insertion hole (36) through a guiding part (37); and a small-diameter part (72) configured to extend continuously and downwardly from the lower end of the large-diameter part (71). The upper end portion of the small-diameter part (72) is provided with a conic section (72a) configured to face the large-diameter part (71) and diverge at the tail end thereof. A linear-shaped linear part (72b) is configured to extend downwardly from the lower end of the conic section (72a).