113results about How to "Prevent opening" patented technology

This application discloses a door locking control device and its sightseeing vehicle, including: a door lock, a display unit, and a control unit. The door lock includes a lock cylinder, a solenoid valve, a lock block, and a position sensor. The position sensor is used to monitor whether the lock cylinder locks the door, and the solenoid valve is used to move the lock block to fix the door. The display unit includes a first indicator light connected to the position sensor, and the control unit includes a control switch and a second indicator light connected in series with the control switch. One end of the solenoid valve is connected to a first terminal of a power supply, and the other end of the solenoid valve is connected to a second terminal of a power supply through the control switch. By setting up the door lock, display unit, and control unit, the lock cylinder can lock the door while simultaneously controlling the solenoid valve to move the lock block to fix the door, thus preventing the door from being opened from the inside. The position sensor can determine whether the lock cylinder locks the door and visually display this information through the first indicator light. After the control switch is closed, the second indicator light is activated to remind the solenoid valve that it is in working condition, thereby improving the security of the door locking control device.

The utility model relates to the technical field of silicon powder heating, specifically relates to a heating device for powder purification of direct pulling method, including heating block, the lower part of heating block is provided with the footboard, the footboard is connected with heating block through the connecting device, the connecting device includes the connecting hole of setting at the top of footboard, the bottom of connecting hole is provided with the plug pipe, a plurality of expansion joints are provided on the pipe body of plug pipe, improve the fixed effect of connection, guarantee the safe use, prolong the life, reduce the production cost.

The utility model discloses an opening corrugated pipe rolling anti-opening-folding device which is applied to the technical field of opening corrugated pipe rolling anti-opening-folding devices and is characterized in that an air cooling assembly, an opening traction assembly, an anti-opening-folding assembly and a rolling assembly are sequentially arranged in the conveying direction of a corrugated pipe; the opening-folding-preventing assembly comprises a fixedly-arranged mounting rod and at least two sets of mounting bases fixedly connected to the mounting rod at intervals, and the mounting bases are fixedly connected with opening-folding-preventing vertical plates in the vertical direction, wherein the opening-folding-preventing vertical plates are inserted into opening grooves of corrugated pipes to prevent the opening grooves of the corrugated pipes from twisting. An abutting guide rod used for abutting against the inner wall of the corrugated pipe is fixedly connected to the end, away from the mounting base, of the opening-overlapping-preventing vertical plate, and clamping plates used for clamping the two sides of the corrugated pipe are rotationally connected to the two sides, in the conveying direction of the corrugated pipe, of the mounting base based on elastic clamping assemblies. The corrugated pipe has the technical effects that the structure is simple, and the possibility of opening overlapping of the opening corrugated pipe is reduced.

The utility model belongs to the technical field of electric automobiles, and particularly relates to an automobile chassis and an electric automobile. The automobile chassis comprises a support bottom plate and a battery replacement battery pack, a battery fixing support is arranged on the support bottom plate, and the battery replacement battery pack is arranged on the battery fixing support; when the battery needs to be replaced, the connecting side plates are opened, and the battery replacement battery pack is fixed in the battery placing cavity. The battery side cabin door is fixedly arranged on one side of the connecting side plate, abuts against the connecting side plate, is fixed after the battery is assembled in the battery placing cavity, and is connected with the first square plate through one side of the connecting side plate, and the connecting side plate can be opened or closed, so that the battery replacement battery pack is convenient to take and place; meanwhile, the battery side cabin door firmly abuts against the connecting side plate, the connecting side plate is prevented from being opened, the battery replacement battery pack inside is prevented from moving, the battery replacement battery pack is convenient to take and place, the structure is simple, and cost is saved.

The utility model relates to the technical field of power switches and relates to a switch control device. Comprising a switch box, a switch key and a limiting assembly. The switch box is electrically connected with a lighting circuit on a control production line; the switch key is installed in an installation groove of the switch box, the two sides of the switch key are in shaft connection with the installation groove, and the switch key can swing in a reciprocating mode in the depth direction of the installation groove under the action of external force and control on-off of a lighting circuit on a production line in the swing process. The limiting assembly is installed in the switch box and used for limiting swing of the switch key in the installation groove. The switch not only can control the lighting circuit on the production line to be turned on by a specific magnetic card and avoid resource waste, but also is simple in structure and easy to use.

The utility model discloses a disposable RFlD iron sheet sealing strip, and relates to the technical field of sealing strips. Comprising a connecting strip, the connecting strip is in a long strip shape, a fixing strip is arranged at one end of the connecting strip, and a connecting hole is formed in the fixing strip; the locking mechanism is arranged on the outer side of the connecting strip and used for fixing the connecting strip, the locking mechanism comprises a locking piece and a fixing piece, the locking piece is arranged on the outer side of the connecting strip and used for limiting the fixing strip, and the fixing piece is arranged on the outer side of the locking piece and used for protecting the locking piece. Through the arrangement of the locking piece and the connecting strip, matching of the connecting hole, the fixing strip, the fixing frame, the protective cover, the supporting plate, the connecting plate and the limiting block is achieved, so that the connecting strip is limited in the using process, the sealing strip is prevented from being opened through a tool, and the sealing reliability of the lead seal in the using process is improved.

A kind of semiconductor plastic package raw material thermostat discharge system, including: box, the upper end of two opposite side plates of which is equipped with coaxial through-hole, box outside corresponding one of through-hole below is equipped with discharge slot, another through-hole is equipped with push rod, the bottom of box is equipped with strip slot;Crossbar, be located in box, along vertical direction movement setting, the top surface of crossbar is equipped with two clamps, V-shaped groove is formed between two clamps, for carrying plastic package raw material, the opening width of V-shaped groove is consistent with the outer diameter of plastic package raw material, the distance between the outer edge of two clamps is less than or equal to the width of strip slot;Baffle, be located in strip slot, support spring is equipped between the bottom of baffle and the bottom surface of strip slot, when support spring is natural state, the top surface of baffle is flush with the bottom surface of box or higher than the bottom surface of box.This scheme can automatically discharge, reduce manual operation, and help to keep the temperature inside thermostat.

The application belongs to the technical field of electronic equipment control, and discloses a projector control method and device, a projector and a storage medium. The application detects whether wind force is generated at the air outlet of the projector; if yes, a lens opening signal is generated; and the lens opening signal is sent to a lens control motor to control the opening of the lens cover. Since it can be determined that the projector is starting up or in a working state if wind force is detected at the air outlet of the projector, the lens cover is controlled to open at this time, which avoids the opening of the lens cover in a non-use state of the projector, and can effectively prevent dust from entering the lens and foreign objects from damaging the lens.

The utility model belongs to valve technical field relates to a kind of three-way ball valve of anti-misoperation, including ball valve body, the top of ball valve body is equipped with valve stem, the top of valve stem is connected with handle, the top of valve stem is equipped with connecting block, one end of handle is rotatably connected on the connecting block in vertical plane, one end of handle close to valve stem is vertically downward and is equipped with limit rod, the side of ball valve body is equipped with the limit block that limit rod is directly opposite, limit block is equipped with limit hole, when handle is in horizontal state, the bottom end of limit rod is inserted into limit hole, reset mechanism for maintaining handle in horizontal state is equipped between connecting block and handle. When the ball valve body is in open or closed state, the handle is in horizontal state, the bottom end of limit rod is inserted into limit hole, so as to lock the handle, prevent misoperation and open or close the ball valve body.

The utility model provides a low-temperature preservation box with visual internal temperature, which relates to the technical field of low-temperature preservation boxes, and comprises a preservation box main body, a connecting door is arranged on one side of the preservation box main body, a display screen is arranged on one side of the preservation box main body, a connecting device is arranged in the preservation box main body, and the display screen is arranged on the other side of the preservation box main body. A limiting device is arranged at the top of the storage box body, a connecting device comprises a sliding frame, the sliding frame is slidably connected with the inner wall of the storage box body, a supporting block is fixedly connected to one side of the inner wall of the storage box body, a rectangular groove is formed in one side of the sliding frame, and the supporting block slidably penetrates through the rectangular groove. And a rotating rod is rotatably inserted into one side of the supporting block, and when the connecting device is used and a plurality of articles are placed in the storage box body, the articles are firstly placed in the sliding frame, and then the sliding frame directly slides into the storage box body.

The utility model discloses a kind of outage interlocking devices for overhauling and maintenance, comprising: bolt, fixed on the cabinet body of electric appliance cabinet Pin nose and with the detachable connection main door cover of cabinet body, main door cover is equipped with the hand hole of the maintenance switch of electric appliance cabinet relative setting;Bolt includes pin, bolt seat fixed on main door cover and handle fixed at one end of pin;Pin can slide along the length direction of itself relative bolt seat, so that pin can be inserted with Pin nose or separate;Handle can be blocked by maintenance switch, when handle is blocked by maintenance switch, pin cannot separate Pin nose. By making the handle of bolt can be blocked by the maintenance switch of electric appliance cabinet, so that when there is maintenance switch not pulled out, pin cannot separate Pin nose, to prevent the opening of main door cover. Ensure that electric appliance cabinet can only be opened cabinet operation in the case of complete power failure, effectively avoid the risk of electric shock, guarantee the personal safety of overhauling and maintenance personnel.

The application discloses a kind of semi-active shock absorber, including cylinder body assembly and the base fixed in the rear end of cylinder body assembly, the cylinder body assembly includes pressure cylinder, intermediate cylinder and oil storage cylinder, piston assembly is arranged in the sliding seal of pressure cylinder, and pressure cylinder is divided into pressure cylinder upper cavity and pressure cylinder lower cavity, piston rod is arranged in the pressure cylinder upper cavity, the front end of piston rod extends to the outside of cylinder body assembly, and rear end is fixedly connected with piston assembly, valve group and oil circuit system are arranged on the base, the front end of intermediate cylinder is communicated with pressure cylinder upper cavity, and rear end is communicated with pressure cylinder lower cavity and oil storage cylinder by oil circuit system, and the valve group includes first high-speed on-off valve, second high-speed on-off valve, manual overflow valve, electric control proportional valve and third high-speed on-off valve which are distributed along the circumferential direction and surround the outer circumferential surface of cylinder body assembly.The application is integrally arranged with all control valves and shock absorber, and installation space is reduced, which can be interchangeably installed and used with passive shock absorber, without changing vehicle bogie structure.

The application discloses a solar energy coupled electric auxiliary heat supply system and a control method, and relates to the field of heat exchange heat supply.The solar energy coupled electric auxiliary heat supply system comprises a heat storage water tank, a solar energy collector, a primary electric heater and a secondary electric heater; and the control method comprises the following steps: in a valley electricity time period, heat supply is preferentially performed by the solar energy collector, and when the heat supply heat is insufficient, the primary electric heater is started; in a time period before the valley electricity time period ends, meteorological data is predicted and used to calculate the heat supply capacity of the solar energy collector in a next peak electricity time period, and whether the secondary electric heater needs to be started to heat the heat storage water tank is judged according to the heat supply capacity; and in the peak electricity time period, only the solar energy collector is started to perform heat supply.Compared with the prior art, the application has the beneficial effect that the difference between peak electricity price and valley electricity price is fully utilized, and the electric auxiliary heat is not started in the peak electricity time period, so that the heat supply cost of the system is greatly reduced.

The utility model discloses a traditional chinese medicine decoction pieces processing slicing device belongs to traditional chinese medicine slicing equipment technical field. The present application includes: frame, conveying component, including first motor and horizontal conveyer belt, horizontal conveyer belt horizontal setting is in frame, the output of first motor is connected with horizontal conveyer belt mechanical transmission, and horizontal conveyer belt is driven to operate, slicing component, including second motor and slicing knife, slicing knife rotation setting is in frame, the blade of slicing knife is perpendicular to the length direction of horizontal conveyer belt, slicing knife is located in the front end of horizontal conveyer belt conveying direction, the output of second motor is connected with slicing knife mechanical transmission, and slicing knife is driven to rotate. The present application in traditional chinese medicine cutting process, the staff can place traditional chinese medicine to horizontal conveyer belt constantly, keeps the continuous delivery of traditional chinese medicine and the coherence of traditional chinese medicine cutting.

The utility model discloses a plane type door and window handle and relates to the technical field of doors and windows, the door and window handle comprises a hand buckle plate, a transmission assembly and a locking piece, a cavity is arranged in the door and window plate, the transmission assembly is arranged in the cavity, the hand buckle plate is a user operation part, and the transmission assembly is respectively connected with the hand buckle plate and the locking piece; a mounting opening matched with the hand buckle plate in size is formed in the front side wall of the door and window plate, a rotating shaft is arranged between the left side wall and the right side wall in the cavity, and a shaft seat is arranged in the center of the inner side wall of the hand buckle plate; the incomplete gear ring is driven to rotate by rotating the hand pinch plate by a person, so that the rack meshed with the incomplete gear ring vertically moves to drive the lock part to be opened or closed, the hand pinch plate is flush with the surface of a door and window during closing, and the door and window lock is simple, attractive and convenient to clean.

This invention discloses a hard drive tray and a server, comprising: a bracket for connecting to a hard drive rack; a locking mechanism disposed on the bracket, including a lock body and a lock cover, the lock cover being slidably connected to the lock body, the lock body being provided with a switch assembly; when the lock cover slides to a first position, the lock cover locks the switch assembly; when the lock cover slides from the first position to a second position, the lock cover unlocks the switch assembly; wherein, the switch assembly includes a limiting part, the limiting part being disposed at the second position, the limiting part being used to prevent the lock cover from sliding from the first position to the second position. By sliding the lock cover to the first position, the lock cover covers the switch assembly, protecting the switch assembly and preventing the switch assembly from being pressed open by external pressure during transportation; when the lock cover slides to the first position, the lock cover self-locks the switch assembly, further preventing the switch assembly from being pressed open by pressure during transportation, further improving safety performance.

The utility model discloses a dressing case which comprises a case cover, a case body and a lock used for locking the case cover and the case body. The lock comprises an upper part, a lower part and a knob, an upper magnet is arranged in the upper part, a lower magnet is arranged in the lower part, the knob is embedded into the lower part, and the knob can rotate to drive the lower magnet to rotate from the bottom of the upper part to the top of the upper part. The cosmetic container has the advantages that the child lock device is arranged on the cosmetic container, the child lock device is simple in structure and convenient to operate, unlocking is achieved in a pressing and rotating combined mode, a child can be effectively prevented from opening the cosmetic container at will, the child is prevented from misusing or eating cosmetics by mistake, safety is improved, and the cosmetic container is convenient to use. The cosmetic container not only has the function of a child lock, but also retains the practicability of a traditional cosmetic container, and is suitable for various occasions such as families, travels and the like.

The utility model discloses a cup lid sealing structure of a vacuum cup, which comprises a cup lid, a valve core and a sealing ring, the cup lid comprises an upper lid and a lower lid, and the lower lid is provided with a water outlet; a breathable film is arranged on the valve core; the sealing ring is used for connecting the valve core to the upper cover and sealing the water outlet when the upper cover and the lower cover are mutually covered; wherein the sealing ring comprises an inner ring and an outer ring, the inner ring is connected with the valve core, the outer ring is connected with the upper cover, and a deformation groove for providing a deformation space for the sealing ring is arranged between the inner ring and the outer ring. Therefore, the deformation groove endows the sealing ring with a controllable elastic deformation space when the sealing ring is pressed, and under the condition that the air pressure in the cup rises due to blockage of the breathable film, the valve element can jack up upwards under the action of the internal pressure of the vacuum cup to drive the sealing ring to deform, so that a gap is formed between the sealing ring and the water outlet of the lower cover, and therefore steam pressure is released; the cup cover is prevented from being opened due to too high internal pressure, the safety performance of the vacuum cup under high-temperature impact is improved, and then the reliable emergency pressure relief function is achieved.

The utility model relates to a kind of fireproof partition structure for public place, including door frame;Inspection track;Control mechanism, the control mechanism includes emission guide block, receiving guide block and controller, receiving guide block is electrically connected with controller, receiving guide block is used to receive emission guide block signal;Two drive mechanisms, two the drive mechanism is set on door frame, and drive mechanism includes multiple connecting pieces;Barrier mechanism, the barrier mechanism includes two door panels, two door panels are respectively fixed with the connecting piece of two drive mechanisms, two door panels are evenly provided with sealing assembly, and sealing assembly includes the sealing element in contact with inspection track, for filling the gap of inspection track.The fireproof partition structure for public place, by the setting of door panel and sealing assembly, after door panel is folded, can be attached with inspection track, and the opening of door panel is not affected, to avoid that the structure whole is in the wall body two sides air circulation, guarantee structure whole fireproof effect.

The application discloses a kind of dangerous chemical storage tank manhole quick opening explosion-proof safety device, it is related to dangerous chemical storage tank technical field, including tank body, the top of the tank body is fixedly connected with manhole pipeline, the explosion-proof safety device further includes: safety protection component, the safety protection component is used to block fire and extinguish when spark mixes in pipeline, safety protection component includes: sealing door, heat insulating plate and explosion-proof fire-retardant core, the sealing door is placed in the top of manhole pipeline, heat insulating plate is fixedly installed in the bottom of sealing door, the manhole remote automation is opened and closed by automatic opening and closing mechanism, eliminate the explosion hidden danger that spark is generated when manually disassembling bolt, pressure sensor cooperates with pressure relief valve and air pipe real-time monitoring adjusts tank pressure, prevent high pressure spouts or vacuum suction, explosion-proof fire-retardant core and heat insulating plate block pipeline in spark spread, filter component dustproof, ceiling protects electrical components, improve the safety of manhole operation.

The utility model discloses a knob formula umbrella handle and automatic umbrella, the umbrella handle, including shell and handle body, the shell is sleeved in the handle body outside, still include knob, mobile seat and rocker, the top of handle body is equipped with flange, and the knob is sleeved in the outside of handle body and is located between flange and shell, the middle part of mobile seat is hollow, and the both sides are the guide edge in correspondence, is equipped with the guide groove on handle body, and the guide edge is located in the guide groove, to the mobile seat guide and limit, the inner wall of knob is equipped with gradually inwards extending abutment edge, and one side of mobile seat is equipped with the locking block who sets up to the inside, is equipped with the first return spring between mobile seat and handle body, to make the locking block opposite side and abutment edge abut, the rocker is hinged on mobile seat through the pivot, is equipped with the first torsional spring between rocker and mobile seat, the umbrella, including inner tube, outer tube and knob formula umbrella handle, can make the holding experience better through replacing the conventional button with the knob, avoids the rain umbrella opening or closing caused by the button false touch, and the use is more convenient.

A burglarproof door with anti-pry function includes a door leaf and a door frame. The door leaf includes an outer door panel and an inner door panel. The outer door panel has a snap-fit ​​protrusion near the lock. The door frame has a groove that matches the snap-fit ​​protrusion. The snap-fit ​​protrusion has a connecting hook hole at the lock position on the door leaf. The door frame has a rotating connecting hook driven by the lock tongue at the lock position. When the door is opened and the lock tongue retracts, the rotating connecting hook is in its natural state. When the door is closed and the lock tongue extends, the lock tongue drives the rotating connecting hook to rotate, and the connecting hook of the rotating connecting hook engages with the connecting hook hole of the snap-fit ​​protrusion. The door frame and the snap-fit ​​protrusion become a single unit, thereby improving the anti-pry performance of the burglarproof door. At the same time, the snap-fit ​​protrusion engaging with the groove on the door frame that matches the snap-fit ​​protrusion can prevent people from opening the lock by inserting soft cards or other means into the lock tongue position through the door gap.

The invention relates to the technical field of clothes treatment, in particular to clothes treatment equipment, and aims to solve the problem that a door of a clothes care machine is easy to open during drying treatment in the prior art. In order to achieve the purpose, the clothes processing equipment comprises a machine shell, a processing cavity is formed in the machine shell, and the processing cavity is used for containing clothes to be processed; an air inlet of the fan is communicated with the treatment cavity; the air duct structure comprises a main air duct, a first port and a second port, the first port and the second port are communicated with the main air duct, an air outlet of the fan is connected with the first port, a drying heating part is arranged in the main air duct, and the second port is communicated with the processing cavity. The air inlet of the fan communicates with the processing cavity, and the air outlet of the fan is connected with the first port, so that the processing cavity can be kept in a negative pressure state when the fan is started, the negative pressure of the processing cavity can prevent the door from being opened, hot air leakage is also avoided, and the drying efficiency of clothes is ensured; and the user experience and the safety and stability of the clothes processing equipment are improved.

The utility model relates to the technical field of culture tubes, and discloses a quickly detachable modular triple cell stimulation culture tube which comprises a culture tube, the top of the culture tube is open, and a limiting groove is formed in one side of the top of the culture tube. According to the technical scheme, the inserting block in the pipe cap is inserted into the culture pipe, meanwhile, the inclined opening in the bottom of the inserting block continuously extrudes the wedge-shaped block in the positioning mechanism, and the wedge-shaped block is supported by the spring on the piston rod and continuously extrudes the wedge-shaped block along with the bottom of the inserting block; the wedge-shaped block can be stored in the limiting groove in the direction of the limiting block sliding block, when the wedge-shaped block corresponds to the clamping groove in the middle of the inserting block, the wedge-shaped block can be extruded out by the supporting force of the spring, the wedge-shaped block is limited in the clamping groove, the pipe cap is positioned, it is guaranteed that after an operator inserts the pipe cap to the top of the culture pipe, the culture pipe can be rapidly sealed, and the working efficiency is improved. And the pipe cap is locked through the positioning mechanism, so that the pipe cap is effectively prevented from being opened under the condition of external force.