145results about How to "Prevent automatic opening" patented technology

The invention discloses a fixture suitable for a circuit board testing table. The fixture is characterized by comprising a lower plate, an upper press plate rotationally connected with the lower plate and an air pressure spring with both ends respectively fixed on the lower plate and the upper press plate; the lower plate is provided with a lower needle plate, a probe protecting plate and a carrier plate and further provided with a baffle, a guiding pillar and a locating pillar in order to limit the horizontal movement of the upper press plate, in this way, the location precision of the upper press plate and the stability of the structure of a main fixture body are enhanced, the property of a circuit board to be tested is protected in the direction with the adoption of a static grounded copper chip; the upper press plate is provided with an upper needle plate, a press bar, a lifting handle and a press plate handle, so that the upper plate is convenient to lift and convey; the upper press plate is opened and closed by the air pressure spring so that the fixture can be opened and closed easily and conveniently, the operation is human-based, the lifting angle from 60 DEG to 85 DEG is formed between the upper press plate and the lower plate when the upper press plate is lifted, an operator is unlikely to strike a part when arranging the circuit board to be tested, in this way, the safety of the circuit board to be tested is ensured, and meanwhile, the stable structure of the fixture is ensured. With the common function of the structure, the stability of the main structure of the fixture is enhanced, the looseness situation is unlikely to happen, and meanwhile, the testing stability is enhanced.

The invention relates to a rotary traditional Chinese medicine cabinet. The traditional Chinese medicine cabinet is characterized by comprising brackets and a squirrel cage type roller framework, wherein the roller framework comprises a wheel hub, wheel spokes and a wheel ring, a rotating shaft is arranged in the center of the wheel hub, the rotating shaft is mounted on the brackets through bearings, one end of the rotating shaft extends out of the bearings, and a gear is arranged at the extending end; the gear and an output shaft of a decelerator arranged beside the brackets are in the gear connection through a chain, and an input shaft of the decelerator is connected with a decelerating motor; a plurality of medicine storehouse rows are uniformly distributed on the wheel ring in a direction which is parallel to the rotating shaft, each medicine storehouse row comprises a plurality of medicine storehouses, a storehouse door is arranged outside each medicine storehouse, and locking devices capable of locking the opened positions and the closed positions of the storehouse doors are arranged on the storehouse doors. The traditional Chinese medicine cabinet has the benefits that the operation is simple, the taking is convenient, and the ventilation and the damp resistance of herbal medicines are facilitated.

The invention relates to a bottom door opening-closing mechanism for a railway funnel type goods vehicle, which comprises a transmission shaft mounted on an underframe of a vehicle body. The mechanism is characterized in that two groups of double levers perpendicular to the transmission shaft are symmetrically fixed on the transmission shaft; a first connecting rod and a second connecting rod are respectively hinged to the two ends of each group of the double levers; the first connecting rods and the second connecting rods are respectively in hinged connection with bottom door compositions on the two sides of the transmission shaft; a door opening collision crank and a door closing collision crank are respectively fixed at the two ends of the transmission shaft; rollers are arranged at the end parts of the door opening collision crank and the door closing collision crank; and a secondary closing device is arranged at one end of the transmission shaft mounted with the door opening collision crank. The mechanism has the advantages that the structure is simple; the application is reliable; the maintenance is convenient; no extra motive power or manual operation is needed during the running process of the vehicle; a bottom door is fixed at a closing position; the automatic opening of the bottom door caused by the factors such as vibration is avoided; and the safety of the vehicle transportation is ensured.

The invention provides a charging method. The charging method comprises the following steps: a power supply device establishes communication connection and charging connection with a power requiring device through a charging plug; the power supply device acquires a power requiring identification code sent by the power requiring device; the power supply device compares the power requiring identification code with other acquired power requiring identification code; if the power requiring identification code is different from other acquired power requiring identification code, a single-gun charging mode is started; if the power requiring identification code is same as other acquired power requiring identification code, a dual-gun charging mode is started; the power supply device sends one power supply identification code to the power requiring device, and the power supply identification code is used for judging whether the current charging plug is the master plug or a slave plug by the power requiring device.

The invention provides a draught fan assembly, an air treatment device, a control method and a readable storage medium. The draught fan assembly comprises at least one draught fan and at least one airvalve, the at least one air valve is arranged at an air inlet of the at least one draught fan in a one-to-one correspondence mode, and the at least one air valve is configured to be suitable for executing opening and closing actions according to the operation state of the corresponding draught fan in the at least one draught fan. The air valves execute the opening and closing states according tothe operation states of the corresponding draught fans, the opening and closing states of the air inlets of the draught fans can be switched according to the operation states of the draught fans, thematching degree of the opening and closing states of the air inlets of the draught fans and the operation states of the draught fans is improved, it is avoided that in the related art, after one draught fan in the draught fan assembly breaks down and stops, a whole draught fan assembly needs to be completely stopped is overcome, and it is guaranteed that even if the faulty draught fan exists in the draught fan assembly, the remaining non-faulty draught fans can still normally operate.

A refrigerating appliance comprises a cabinet body (1), a door (2), door closers (3) and hinge assemblies (4). Each hinge assembly (4) comprises an adjusting unit (5).Each adjusting unit (5) comprises an adjusting element (6) and a supporting element (7)which can be driven by the adjusting element (6) to move in the vertical direction within an adjusting range and to support the door (2). The cabinet body (1) can rotate around the supporting elements (7). Each supporting element (7) comprises a door closing part (70) used for being matched with the corresponding door closer (3) in the following manner that at any height within the adjusting range, the door closing parts (70) and the corresponding door closers (3) are at least partially overlapped in the horizontal direction, when the door (2) is to be closed, the door closing parts (70) and the door closers (3) are matched to prevent the door (2) from being bounced off, and the door closing parts (70) are disengaged from the door closers (3) when the door (2) is opened. According to the technical scheme, the refrigerating appliance is attractive in appearance, beneficial to transportation safety, and the upper side gap of the door (2) is small.

The invention discloses a lifting type biological detection reagent box. The lifting type biological detection reagent box comprises an outer box body, wherein a second screw hole is formed in one side of the outer box body; box doors are symmetrically arranged at the top end of the outer box body, the box doors are connected to the outer box body through fourth connecting shafts, and a reagent box is arranged at the bottom of the box doors and located inside the outer box body; a box cover is arranged at the top end of the reagent box, and supporting rods are symmetrically arranged on the twosides of the box cover and located on the two sides of the top end of the reagent box; pulleys are arranged at the top ends of the supporting rods, third connecting shafts are arranged in the middleparts of the pulleys, and the third connecting shafts are connected to the top ends of the supporting rods; telescopic rods are arranged at the corners of the top end of the reagent box, and first springs are arranged outside the telescopic rods; fixing blocks are arranged in the middle of the bottom end of the reagent box and the middle of the inner bottom end of the outer box body, first connecting shafts are arranged in the middle of the fixing blocks, and connecting blocks are symmetrically arranged on the position, between the bottom end of the reagent box and the bottom end of the outerbox body, and close to the middle of the telescopic rods; and second connecting shafts are arranged at the top ends and the bottom ends of the connecting blocks, and the first connecting shafts are connected to the second connecting shafts through connecting rods.

The invention discloses a turnover device used for a main shaft of a wind power generator comprising a support assembly, a turnover stand and a master cylinder. The turnover stand is connected with the support assembly in a rotatable manner and can move to the horizontal level and the vertical level. A support fixing structure used for supporting and fixing the main shaft of the wind power generator is arranged on the turnover stand. One end of the master cylinder is hinged on the support assembly, and the other end of the master cylinder is hinged on the turnover stand. The turnover device has the advantages that the turnover device is simple in structure, low in cost, convenient in operation, stable and safe and high in automatic degree.

The invention discloses a method and a device for automatically starting a camera under a moving state. The device can be applied to a mobile intelligent terminal device, and the method comprises the following steps that: 1, a user operation detection module senses the usage state of the intelligent terminal device; 2, a motion state detection module detects motion state parameters of the device; 3, a central control module judges whether the holder of the device uses the terminal device in a moving state according to the usage state and the motion state parameters of the device, if yes, the camera is automatically started and enters a shooting mode; and 4, a display module displays images in front and/or under feet, which are shot by the camera, to a screen in a mode such as foreground application semi-transparency, a small window and a background. The invention provides the new technical scheme, and people are enabled to concentrate on the intelligent terminal while walking and see objects in front and/or under feet, so that some safety accidents can be avoided to a great extent.

The invention relates to a traditional Chinese medicine storage cabinet. The traditional Chinese medicine storage cabinet comprises a support and a control system. The traditional Chinese medicine storage cabinet is characterized by further comprising a rotating disc type medicine storage cabinet, a motor and a speed reducer, wherein the motor and the speed reducer are arranged on the rear portion of the support through an installation platform, and a rotating shaft is arranged on the support through a supporting bearing. The rotating disc type medicine storage cabinet comprises a center shaft sleeve, wherein the front end of the rotating shaft is fixedly connected with the center shaft sleeve, and the rear end of the rotating shaft is connected with an output shaft of the speed reducer through a coupler. The rotating disc type medicine storage cabinet further comprises radial separating plates and axial separating plates, wherein the inner ends of the radial separating plates are fixedly connected with the shaft sleeve, the rotating disc type medicine storage cabinet is divided by the radial separating plates and the axial separating plates into a plurality of medicine storage bins which are distributed in a concentric circle mode, and the rear portion of each medicine storage bin is sealed, and a bin door is arranged on the front portion of each medicine storage bin. The traditional Chinese medicine storage cabinet further comprises a control switch which is electrically connected with the motor. The traditional Chinese medicine storage cabinet has the advantages that operation is easy, taking is convenient, ventilation and damp proofing of herbal medicine are facilitated, and the space can be reasonably utilized.

The invention discloses a new-energy electric car storage battery protecting device. The new-energy electric car storage battery protecting device comprises a protective block, an cavity is formed inthe protective block, two symmetric first grooves are formed in the inner bottom wall of the cavity, two symmetric second grooves are formed in the inner side wall of the cavity, sliding rods are arranged in the second grooves, the two ends of each sliding rod are fixedly connected with the inner bottom wall and the inner top wall of the corresponding second groove respectively, and the outer surfaces of the sliding rods are sleeved with first sliding rings. According to the new-energy electric car storage battery protecting device, a storage battery box can be lifted upwards by holding pull belts with hands, and convenience is brought to replacement or maintenance of a storage battery; the storage battery box can be placed on a pressure reduction plate, and a shock-absorption effect on the pressure reduction plate can be achieved in the driving process of an electric car; when the second sliding ring moves downwards, the shock-absorption effect can be achieved, and the storage batterybox is kept to be stable; through cooperation of second springs, the storage battery box can be sealed in the cavity, and the storage battery box can be compactly squeezed by using a pressure plate.

The invention discloses an injecting device. The injecting device comprises a spraying head, a spraying pipe, a valve core and an elastic component, wherein a valve base is arranged on the inner wall of a spraying head cavity; the front end of the spraying pipe is communicated with the rear end of the spraying head and is connected with the rear end of the spraying head in a sealing way; the valve core is moved forwards or backwards in the spraying head cavity and the spraying pipe to be matched with or depart from the valve base; the front end of a valve core body is matched with an inclination part of the valve base; the valve core body is provided with a passage parallel to an axial line of the valve core body; the elastic component can apply a force enabling the valve core to move towards the valve base and to be matched with the valve base; a trigger can apply a force enabling the valve core to be departed from the valve base. Due to the fact that the valve core is provided with the passage parallel to the axial line of the valve core body, and the liquid does not deflect in the process from the time when the liquid enters the passage to the time when the liquid enters a spraying nozzle to be sprayed out, the resistance during flowing of the liquid is greatly reduced, the pressure higher than the pressure in the prior art can be maintained when the liquid is sprayed out of the spraying nozzle, the injection distance is increased, and even a medium with relatively high viscidity is not left at the spraying nozzle.

The invention provides a novel large-tonnage forklift environmental sanitation accessory which comprises a fork rack assembly, freight fork assemblies and a turnover hydraulic assembly. The fork rack assembly comprises a fork rack body; shaft supporting plates used for movably connecting the freight fork assemblies are arranged at the lower end of the fork rack body; upper hooks used for hanging an environmental sanitation box are arranged at the upper end of the fork rack body; the turnover hydraulic assembly comprises one turnover oil cylinder or two turnover oil cylinders and a high-pressure oil pipe used for providing hydraulic oil for the turnover oil cylinders; a cylinder seat of each turnover oil cylinder is connected with the fork rack body; a piston rod of each turnover oil cylinder is connected with the corresponding freight fork assembly to form a connecting rod mechanism; each turnover oil cylinder is used for driving the corresponding freight fork assembly to rotate downwards. The novel large-tonnage forklift environmental sanitation accessory has a wide-angle turnover function, and it is guaranteed that freight or garbage can be dumped completely; when the environmental sanitation box is not in use, the accessory can shovel ordinary freight like an ordinary forklift, and the accessory has a large declination angle, so that the freight can be unloaded rapidly without inclining a gantry of the forklift,

The invention relates to a method and apparatus for preventing the notebook computer to auto open the wireless device. The apparatus comprises a first opening unit and a second opening unit used to choosing receive the first opening order and the second opening order of the user, a testing unit to test one of the first opening order and the second opening order and test a wireless signal of the wireless device by the first opening order and a processing program unit.

The invention discloses a sliding plug door of a railway vehicle. The railway vehicle comprises a vehicle body and the sliding plug door arranged on the vehicle body, wherein the sliding plug door comprises a door body and a door body locking device; the door body locking device is driven by a handle to ensure that the door body and the vehicle body are locked; the sliding plug door also comprises a handle locking device with two working states including a locking state and an unlocking state; the handle locking device limits the rotation of a handle when in the locking state; and the handle can freely rotate when the handle locking device is in the unlocking state. The sliding plug door is provided with the handle locking device, so that the conditions of automatically opening the door body and scattering goods in the vehicle body in the vehicle driving process when the handle locking device is in the locking state are avoided, and the safety performance of the sliding plug door is improved. The invention also discloses the handle locking device of the sliding plug door and the railway vehicle with the sliding plug door.

The invention provides a bus with an idler gear mechanism, comprising a power car and a tractor, wherein the power car and the tractor are connected through an articulated shaft; first track wheel mechanisms are arranged at the bottom of the power car and the tractor, and two sets of second track wheel mechanisms are arranged between the two sets of the first track wheel mechanisms; and the frontand rear frames are adopted and the hydraulic steering system is cooperated to realize flexible steering on the highway. The bus with an idler gear mechanism has the advantages that: the bus with an idler gear mechanism can ensure that no traveling resistance will be generated during the turning process of the high-speed railway car, and allows for smaller corners; the first track wheel mechanismsand the second track wheel mechanisms are respectively arranged at the bottom of the power car and the tractor; and the second track wheel mechanisms are positioned between the first track wheel mechanisms, thereby reducing the span distance between the track wheels, and making the highway car more stable and safe in the turning process.

The invention relates to the field of sliding-plug door locks, and discloses a sliding-plug door. When a door panel is closed, a drive motor drives a lead screw to rotate forwards, a lead screw nut moves along the lead screw in a straight-line mode to drive a sleeve to move along the door panel located at the bottom parts of a sliding rod and a door carrying frame in a straight-line mode, when thesleeve moves to be in contact with a door lock clutch device, the door lock clutch device is driven to clamp to and lock with a to-be-locked stopper which is coaxially fixed to the lead screw, and closing and locking of the door panel are realized; when the door panel is opened, the drive motor drives the door lock clutch device to separate from the to-be-locked stopper, and the to-be-locked stopper after separation rotates backwards under continuous driving of the drive motor to drive the lead screw to rotate backwards, the lead screw nut moves along the lead screw in a straight-line mode and in a reversed direction, and so that the sleeve drives the door carrying frame to move in a reversed direction, and whenthe sleeve moves in the reversed direction to separate from a door lock clutchmechanism, the lock clutch mechanism returns to an original state. Locking and unlocking of a door lock and opening and closing of the door panel in the sliding-plug door share the common driving motor, so as to avoid automatic opening of a vehicledoor in bumpy operation, and the vehicle door has good airtightness.

The invention relates to a chain stitch sewing machine comprising stitch-forming sewing elements including at least one needle head (1) and needles (6) arranged on the needle head and at least one gripper shaft and gripper hooks arranged on the gripper shaft, wherein the needles (6) and the gripper hooks respectively form a sewing element pair and are driven in a manner such as to perform preferably chain stitches and especially double chain stitches in a sewing material arranged on a sewing material support, respectively using a needle thread and a gripper thread. To reduce the masses to be moved during the sewing operation, the invention provides that the needles (6) are indirectly or directly connected to the drive (5) and that at least one and preferably more needles (6) can be mechanically decoupled from the drive (5), so that the needle(s) (6) in a position decoupled from the drive (5) is(are) not moved in a translational fashion during the sewing operation and does(do) thus not pierce the sewing material.

The invention provides an elevator with monitoring and escaping functions. An escape mechanism is arranged on an elevator cage main body of an elevator body; information collecting equipment comprisesan elevator operation data information collecting sensor and an elevator traction motor data information collecting mechanism; the information collecting equipment is connected with an upper computeror a remote server through a signal transmission device; and the upper computer or the remote server is connected with remote control equipment through a wireless network, and the remote control equipment is controlled by a user. According to the elevator with the monitoring and escaping functions, an existing elevator structure is improved correspondingly, a movable electronic door is arranged at the top, when the electronic door is opened, a trapped person can escape from a top opening through a ladder and handrails, corresponding auxiliary rescue equipment is further equipped at the top ofthe elevator, the whole elevator is further provided with the multiple sensors, and by collecting elevator operation information and transmitting obtained data to a monitoring platform, namely a human-machine interaction interface through an Internet of Things, maintenance personnel take measures or judge the rescue mode in time.