6results about How to "Open and close quickly" patented technology

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 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 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.

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.