14results about How to "Open and close quickly" patented technology

The split type tail door control system comprises a first vehicle door and a second vehicle door which are movably arranged between the door opening position and the door closing position of a vehicle body in a hinged mode. And the first control unit identifies the second door lock related signal, and the identification point is a certain calibration position point in the first vehicle door moving track. The invention further discloses an automobile. A certain calibration position point in the running track of the first vehicle door is ingeniously set as the recognition point, and when the first vehicle door runs to the position of the recognition point, the first control unit and the second control unit do not need to share and interact the position information of the first vehicle door and the second vehicle door; and the first control unit controls the first vehicle door to perform corresponding opening and closing or parking actions according to the signal feedback of the second door lock, so that the opening and closing operations of the first vehicle door and the second vehicle door under normal and abnormal conditions are realized to ensure that the second vehicle door and the first vehicle door are quickly closed in place, and the operation is simple and convenient.

The utility model discloses an anti-loosening protective cover for a top cover bolt of a gasification furnace, which relates to the field of gasification furnaces, comprises an outer protective shell, an end head, a connecting part and a pressing part, and is characterized in that the outer protective shell is sleeved on the outer side of the bolt and is fixedly connected to the top of a top cover; the end cover is arranged at an opening in the top of the outer protective shell, and the connecting part is used for connecting the end cover and the outer protective shell, so that the end cover is detachably mounted at the top end of the outer protective shell. Therefore, looseness of the bolt caused by stress relaxation and mechanical vibration is effectively restrained, sealing connection between the gasification furnace top cover and the combustion chamber is guaranteed, medium leakage is prevented, the bolt is completely sealed through the outer protective shell and the end cover, erosion of high-temperature corrosion or dust environment to the surface of the bolt is isolated, the service life of the bolt is prolonged, and the service life of the gasification furnace is prolonged. The loosening risk is reduced, and the safety and the stability of the gasification furnace are improved.

The utility model discloses a refrigeration house lifting door which comprises a vertical frame and a furling assembly which are fixed to the two sides of a door frame. The vertical frames are fixedly connected with guide rails, and a heat insulation door is slidably connected between the two guide rails. The rotating rod is rotationally installed at the upper end of the vertical frame, the winding wheel is coaxially fixed to the surface of the rotating rod, a steel wire rope is wound around the surface of the winding wheel, and the free end of the steel wire rope is connected with the lower end of the heat insulation door; anti-falling mechanisms used for preventing falling out of control are installed at the connecting positions of the two sides of the heat insulation door and the guide rails. The motor drives the rotating rod to rotate, the rotating rod rotates to drive the winding wheel to rotate to wind the steel wire rope, and the free end of the steel wire rope pulls the heat insulation door to ascend. The heat insulation door does not need to be rolled up after rising, the shape change is small, abrasion to a heat insulation door connecting part is low, no extra space is occupied, the service life of equipment is prolonged, the maintenance cost is reduced, and the use efficiency is improved.

The utility model discloses a water flow control valve relates to valve technical field, including the valve body, the valve cover, the valve core and the valve stem that are connected, the top of valve cover is fixedly installed with the reduction gearbox through two L shape board, the inner top wall and the inner bottom wall of reduction gearbox all are equipped with the rotation hole. The water flow control valve of the present application passes through the transmission structure of "hand wheel - connecting shaft - rectangle column - pivot", and the valve stem and valve core action can be directly driven when rotating hand wheel, realizes the quick opening and closing of valve body, satisfies the efficient operation demand under the emergency scene, when needing to save the labor and fine adjustment flow, only needs to move down vertical slide frame, slide horizontal slide frame and unfasten the fixed completion, can drive the valve stem rotation through the meshing transmission of pinion and gear, and the operation step is simple, and the moment magnification effect is remarkable, and the dual demand of quick operation and fine adjustment is effectively taken into account, improves the scene adaptability and use convenience of valve.

The utility model belongs to the technical field of medical boxes, and particularly relates to a portable multi-layer patrol medical box which comprises a bottom plate, and a plurality of universal wheels are installed at the bottom of the bottom plate. A plurality of medicine storage boxes are sequentially arranged on the surface of the bottom plate in a sliding fit mode; an adjusting assembly is arranged on the side wall of the medicine storage box; by arranging a plurality of medicine storage boxes, different types of medicines can be stored through the multiple medicine storage boxes when the medicines are placed, so that the medicines can be quickly taken out from the different types of medicine storage boxes during use, the convenience is increased when the medicines are found, and meanwhile, an electric push rod can be erected when the medicine storage boxes are operated; the stability is improved, and the device is lifted to the waist of an operator so as to facilitate operation; when the medicine box needs to be moved, the telescopic pull rod can be pulled open and dragged to move forwards, meanwhile, when the side plates, the front plate and the elastic connecting shell are combined to form a box body, the medicine storage box can be protected more easily, and the influence of the outside on the medicine storage box is reduced.

The utility model relates to a double-magnetic type quick-switching electromagnetic valve device which comprises a valve body, a control rod assembly is arranged in the valve body, an opening and closing assembly is arranged at a port of the valve body and connected with the control rod assembly, a buffering assembly is arranged between the opening and closing assembly and the control rod assembly, and a forward electromagnetic assembly is arranged at the front end of the valve body. The back end of the valve body is provided with a backward electromagnetic assembly, an electromagnetic check ring is distributed between the forward electromagnetic assembly and the backward electromagnetic assembly, the opening and closing assembly comprises a valve element connected with the buffering assembly and further comprises a valve sleeve connected with a port of the valve body, the valve element is located in the valve sleeve, a plurality of inflow holes are distributed in the valve sleeve, a plurality of flow guide through holes are distributed in the valve element, and the valve element is connected with the valve sleeve. And in the locking state, the inflow hole and the diversion through hole are staggered in position and are in a non-conducting state. Therefore, the forward electromagnetic assembly and the backward electromagnetic assembly are adopted, rapid position switching of the movable iron core can be achieved, therefore, rapid opening and closing of the valve are achieved, the corresponding time is short, and the flow control precision is improved.

The utility model provides a bag mouth structure for filling a liquid sealing bag, which is applied to the technical field of liquid sealing bags and is characterized by comprising a bag mouth and a one-way valve component mounted in the bag mouth, the one-way valve assembly comprises a sealing rubber plug and a lining which are arranged in the bag mouth, and a sealing face is formed between the sealing rubber plug and the lining through the elastic force effect of the sealing rubber plug. The sealing rubber plug has the technical effects that the sealing rubber plug has certain hardness and rebound resilience, certain pressure is applied to the sealing rubber plug, so that the sealing rubber plug can be shrunk, and a liquid channel is formed between the sealing rubber plug and the bushing, so that a liquid product can be conveniently filled and poured; when the external force is removed, the sealing rubber plug can rebound and abut against the lining through the elastic force of the sealing rubber plug, and a sealing face is formed between the sealing rubber plug and the lining to prevent medium backflow; and the bag mouth can be quickly opened and closed.

The utility model discloses a dust-proof industrial personal computer case convenient to disassemble and assemble, and particularly relates to the technical field of industrial personal computers, the dust-proof industrial personal computer case comprises an industrial personal computer case main body with an opening at the top, two sides of the industrial personal computer case main body are provided with dust-proof filter screens, and the top of the industrial personal computer case main body is provided with a pair of top plates; each top plate and the industrial personal computer case body are each provided with a rotating springback assembly, each rotating springback assembly comprises a pair of fixing blocks, the fixing blocks are fixedly connected to the outer surface of the industrial personal computer case body, rotating rods are rotationally connected to the fixing blocks, supporting blocks are fixedly connected to the rotating rods, the supporting blocks are fixedly connected to the top plates, the rotating rods are sleeved with torsional springs, and the torsional springs are fixedly connected to the supporting blocks. The two ends of the torsional spring are fixedly connected to the opposite faces of the fixing block and the supporting block correspondingly, and the two sides of each top plate are fixedly connected with positioning blocks correspondingly. According to the utility model, the technical problems that the industrial personal computer case needs to be disassembled and assembled with the help of a professional disassembling tool, and the use loss is easily caused due to the use of more fasteners are solved.

The utility model discloses a device for sun wheel frock limiting and dismounting, including a plurality of even installation in the test tray adaptation disc end surface's limiting component and be used to open quick -release subassembly of limiting component, quick -release subassembly sets up on the end surface of limiting component, is provided with a plurality of guide slot on quick -release subassembly, every guide slot with limiting component one -to -one, and the movable pin in limiting component one end stretches into guide slot, and the other end is connected spring pressure plate, and spring pressure plate pops out to the direction of adaptation disc center, and the application utilizes spring pressure plate in limiting component to complete to the axial location of sun wheel frock installed in test tray, simultaneously utilizes guide slot and drives movable pin to rotate to drive spring pressure plate to the radial movement of adaptation disc, opens limiting component finally, and the installation and dismounting of sun wheel frock are convenient.

This application discloses a pressure reducing valve designed to prevent accidental opening, comprising: a valve body including an inlet, an outlet, and a filling port, wherein the inlet and outlet are connected by a fluid channel; a control valve core movably mounted on the valve body, the control valve core including a sealing end for controlling the opening and closing of the fluid channel and an exposed control end, the control end being recessed; and a protective cover with a control handle, the protective cover having a protective position covering the filling port and a control position where the control handle interacts with the control end of the control valve core. The technical solution disclosed in this application avoids external interference to the control valve core by recessing the control end, and achieves rapid opening and closing of the control valve core and convenient access to the control handle by providing a control handle on the protective cover, thus balancing the convenience of pressure reducing valve control with the safety of preventing accidental opening; the protective cover, while housing the control handle, also provides additional protection for the filling port, preventing wear during use.

The utility model discloses an automatic opening and closing mechanism of a sealing door, which comprises a sealing box, a lifting door is assembled on the side surface of the sealing box, vertical beams are symmetrically arranged on the sealing box on the two sides of the lifting door, and guide grooves for the lifting door to move up and down are arranged on the opposite side surfaces of the vertical beams; a lifting driving mechanism is installed on the working platform on the top face of the sealing box and drives a lifting plate to move up and down, and the lifting plate is connected with the top face of the lifting door through a connecting assembly. In the using process, the lifting driving mechanism drives the lifting door to move upwards or downwards through the lifting plate, and switching of the opening state and the closing state is conducted; the connecting assembly between the lifting plate and the top face of the lifting door is combined with the guide groove in the vertical beam, the free margin for attaching the lifting door to the sealing box when the lifting door is closed is provided, reliable attaching between the lifting door and the sealing box is effectively guaranteed, and the sealing performance is guaranteed.

The utility model relates to the technical field of insulating ring main units, in particular to an insulating ring main unit with a protection mechanism. Comprising a base, a first rectangular barrel is fixedly installed at the top of the base, a plurality of first holes which are evenly distributed penetrate through the inner wall of the first rectangular barrel, an annular cavity is formed in the first rectangular barrel, the first holes communicate with the annular cavity, and a second rectangular barrel is slidably installed in the annular cavity; a plurality of evenly-distributed second holes are formed in the inner wall of the second rectangular barrel in a penetrating mode, the second holes communicate with the corresponding first holes, a cover plate is arranged at the top of the first rectangular barrel, a rain shade is arranged at the top of the cover plate, and a mounting plate is fixedly mounted in the first rectangular barrel. According to the ring main unit provided by the utility model, the hole shielding structure is additionally arranged, so that holes in the ring main unit can be conveniently and quickly shielded in rainy days, the problem that water enters the ring main unit can be effectively reduced, and safe operation of electrical elements in the ring main unit is facilitated.

The utility model relates to the technical field of power transmission equipment, in particular to a box body for overhead power transmission equipment. Comprising a box body with an opening in one side, a U-shaped frame is fixedly installed on one side of the box body, a door plate matched with the opening of the box body is installed in the U-shaped frame in a sliding mode, two clamping grooves are formed in one side of the door plate, clamping plates are installed in the clamping grooves in a sliding mode and fixed to the inner wall of the U-shaped frame, and clamping rods penetrate through the clamping plates in a sliding mode. A cavity is formed in the door plate, two sliding plates are installed in the cavity in a sliding mode, one end of each clamping rod extends into the cavity and is fixed to the corresponding sliding plate, and a two-way lead screw penetrates through the two sliding plates in a threaded mode. Through the simple locking structure, the power transmission equipment box can be conveniently and rapidly opened and closed, the problem that the box door is blown by wind to rotate in the maintenance operation process can be effectively prevented, the box door can be effectively prevented from disturbing the maintenance operation, and the safety of high-altitude operation is effectively improved.

The utility model relates to the technical field of electric vehicles, in particular to a charging port cover plate for a pure electric vehicle, which comprises a charging port base and a sealing cover plate, the front side of the charging port base is fixedly connected with a limiting sleeve, and a left positioning shaft of the limiting sleeve is in bolted connection with a driving motor through a fixing bolt; a limiting sleeve is fixedly connected to the left side of the driving motor, a first gear is fixedly connected to a spindle on the right side of the driving motor, a microswitch is fixedly connected to the right side of the limiting sleeve, and a rotating shaft is rotationally connected into a limiting hole of the limiting sleeve. According to the device, rapid and accurate opening and closing of the charging port can be achieved, the motion trail of the charging port can be accurate and safe through soft and hard limiting, meanwhile, the device can be used for any vehicle series or vehicle types, the manufacturing cost is reduced, and the device is few in part, simple in structure, small in assembly difficulty and capable of saving time and labor during replacement or maintenance.