30results about How to "Solve the problem of not being able to open" patented technology

The invention provides a rotary cushion valve, a rotary hydraulic system and an engineering machine. The rotary cushion valve comprises a pilot overflow valve. The pilot overflow valve comprises a main valve and a pilot valve, a delay decompression device is arranged on a pilot oil passage from the main valve to the pilot valve, and pressure change of a spring cavity can lag under the effect of the delay decompression device. The rotary cushion valve, the rotary hydraulic system and the engineering machine have the advantages that the delay decompression device which comprises components such as a damping hole and an elastic container is arranged on the pilot oil passage of the pilot overflow valve of the rotary cushion valve, a decompression procedure of the main valve of the pilot overflow valve can be delayed under a delay effect of the damping hole or a volume effect of the elastic container, accordingly, the rotary cushion valve can be started when impacted, the problem that an existing overflow valve (at a high setting pressure) cannot be started when impacted at a low pressure in a rotary procedure can be solved, and a rotary cushion effect can be effectively realized.

The invention provides a water-cooled cover working door. A working door body is suspended on the first side face of channel steel by arranging angle steel clamped on a pulley device, so that the working door body and a working door bottom plate are kept a gap away from each other without being contacted with each other, the phenomenon that the working door on a water-cooled cover always sticks to the working door bottom plate under the influence of the radiation of high-temperature molten steel and splashing of liquid steel slag in the smelting process of an LF is overcome, the problem that the working door cannot be opened is solved, and the performance of the water-cooled cover of the LF furnace is optimized.

The invention provides a filter screen mechanism and an air conditioner with the same. The filter screen mechanism comprises a supporting frame, a filter screen assembly and driving components, wherein the filter screen assembly comprises a first filtering portion and a second filtering portion which are used for shielding an air duct together; the first filtering portion is rotatably arranged ona supporting frame around a first preset axis, the second filtering portion is rotatably arranged on the supporting frame around a second preset axis, the first preset axis and the second preset axisare parallel to each other, and a rotating direction of the first filtering portion and a rotating direction of the second filtering portion are opposite to each other; and the driving parts are arranged on the supporting frame and are in driving connection with the first filtering portion and the second filtering portion respectively to drive the first filtering portion and the second filtering portion to rotate, so that the filter screen mechanism is opened or closed, and the problem that a filter screen of a cabinet capable of achieving up-down reversible air outlet cannot be switched between an opening mode and a closing mode in the prior art is solved.

The invention relates to an automobile escape control device, and particularly relates to an escape control device used for opening automobile door locks, car windows or skylights when drivers or passengers need to escape in accidents such as drowning and burning of automobiles. According to the device provided by the invention, activation and forbiddance of active and passive escape controls are allowed, and the active and passive escape controls are relatively independent and can be used independently or in combination; the device is simple in structure, small in size, therefore protection measures such as water resistance, fire resistance and collision resistance can be adopted independently for the device; the device can work independently, does not depend on automobile circuit systems or central control systems, which are wide in application range among automobiles and prone to broke down in accidents, therefore safety and reliability of the device in various accidents can be guaranteed.

The invention relates to a plug-in door lock with an outer handle and an anti-damage escape function. The plug-in door lock comprises a front lock body assembly, a rear lock body assembly and a main lock body assembly; one end of a front transmission shaft of the front lock body assembly is installed on a front handle only in the axial moving mode, and the other end of the front lock body assemblyis provided with a clutch middle shaft which can only be axially retracted and extended out of the front transmission shaft; an ejector rod only capable of axially moving is arranged in a hollow cavity of a rear transmission shaft of the rear lock body assembly, and one end of the ejector rod extends out of the rear transmission shaft, and is connected and fixed to a release key arranged on a rear handle; further, the other end of the front transmission shaft is connected to a rotating shaft assembly body of the main lock body assembly, and the clutch middle shaft clamps the rotating shaft assembly body so as to drive the rotating shaft assembly body to rotate; and the other end of the rear transmission shaft clamps the rotating shaft assembly body, and the release key is pressed down todrive the ejector rod to extend out of the rear transmission shaft and extend into the rotating shaft assembly body, the clutch middle shaft is jacked into the front transmission shaft and is separated from the rotating shaft assembly body, the plug-in door lock is switched into an anti-damage escape state, so that the plug-in door lock has the anti-damage escape function, and the use safety is high.

The invention discloses a household access system based on a network technology. The system comprises a front body, a camera is embedded in the front face surface of the front body, a memory card is installed in the front body, a connecting box is arranged on the side, close to the front body, of the interior of the front body, the memory card is connected with the side, close to the connecting box, of the interior of the front body, an image converter is connected with the side, close to the memory card, of the interior of the front body, a wireless router is connected with the side, close tothe image converter, of the interior of the front body and a bearing is connected with the inner wall of the connecting box. By arranging the camera, an image processing unit and a wireless router, an image photographed by the camera is transmitted to the memory card, the image is transmitted to the image converter by the memory card, an image signal is converted into a digital signal, the digital signal is transmitted to a user viewing interface by the wireless router, and therefore remote monitoring can be achieved.

The invention provides a filter screen mechanism and an air conditioner with the filter screen mechanism. The filter screen mechanism comprises a mounting frame, a winding shaft and a filter screen piece, wherein a containing cavity and a first opening part communicated with the containing cavity are formed at one end of the mounting frame; the winding shaft is rotatably arranged in the containingcavity around the axis of the winding shaft; and one end of the filter screen piece is connected with the winding shaft, and the other end of the filter screen piece extends to the outer side of thefirst opening part so as to drive the filter screen piece to move relative to the mounting frame through rotation of the winding shaft, so that the filter screen piece is wound on the winding shaft orflattened on the mounting frame. According to the filter screen mechanism, the problem that in the prior art, a filter screen of a cabinet capable of achieving up-down reversible air outlet cannot beswitched between an opening mode and a closing mode is solved.

The invention belongs to the technical field of electric cookers, in particular to an air pressure regulating system for an electric rice cooker. The air pressure regulating system comprises a base, asleeve, an inner pot and a cooker cover, wherein the cooker cover is detachably mounted on the base through the sleeve; and the inner pot is detachably mounted in the sleeve. The air pressure regulating system also comprises a controller, a pneumatic pump and an air pressure balance module, wherein the pneumatic pump is arranged on the upper surface of the cooker cover; the air pressure balance module is fixedly mounted on the inner wall of the cooker cover and connected with the pneumatic pump through a pipe; and the controller is used for controlling the work of the pneumatic pump and the air pressure balance module. When the controller is used for controlling the work of the pneumatic pump, the air pressure in the pneumatic pump always keeps at a set value, and the air pressure balancemodule enables the rice cooking pressure in the inner pot to be always as same as the air pressure in the pneumatic pump by matching with the pneumatic pump. The air pressure regulating system is mainly used for regulating the air pressure in the inner pot of the electric rice cooker, thereby preventing the electric rice cooker from being damaged by the overlarge air pressure in the inner pot andimproving the service life of the electric rice cooker.

The invention relates to the technical field of file address fault tolerance, and particularly relates to an access address fault tolerance method and fault tolerance device. The method comprises thesteps of acquiring an access address; determining whether a target file extension name in the acquired access address is correct; in response to that the target file extension name is incorrect, determining a standard file extension name matched with the target file extension name; and replacing the target file extension name with the determined standard file extension name, so as to obtain the corrected access address. In the method, fault tolerance can be performed on the access address of the file, that is, whether the target file extension name in the access address is correct is determined, the wrong target file extension name is replaced with the standard file extension name, while in the prior art, file access is directly interrupted after the file extension name in the access address is determined wrong, therefore, the problem that the file cannot be opened due to wrong input of the file extension name is solved, and the code is further executed in address access of the file.

The invention provides an antitheft well cover and an opening tool for the antitheft well cover. The antitheft well cover comprises a cover body and an antitheft device installed on the cover body; a clamping buckle structure is installed on the antitheft device, a connection groove is formed in the portion, close to the clamping buckle structure, of the surface of the cover body, and the connection groove is used for enabling the opening tool to be buckled on the clamping buckle structure through the connection groove. According to the antitheft well cover and the opening tool for the antitheft well cover, the antitheft device is installed on the cover body of the well cover, the clamping buckle structure is installed on the antitheft device, the connection groove is formed in the portion, close to the clamping buckle structure, of the surface of the cover body, and the connection groove is used for enabling the opening tool to be buckled on the clamping buckle structure through the connection groove so that the antitheft well cover can be conveniently opened through the opening tool and the antitheft device, and the problems that in the prior art, a hidden lock of the antitheft well cover is easy to rust and cannot be unlocked are solved.

The invention provides a sliding interface cover plate structure used for closing an interface position disposed on a side surface of a housing of a portable electronic device. The sliding interface cover plate structure comprises a containing groove, a rotating groove, an inner cover, and an outer cover. The containing groove is disposed in the interface position on the side surface of the housing. The rotating groove is disposed adjacent to one tail end of the containing groove. The inner cover is placed in the containing groove. One tail end of the inner cover is a rotating shaft sleeved by a torsion spring. The rotating shaft is fixed on the rotating groove in order to enable the tail end of the inner cover to be pivoted on the rotating groove. An inner sliding knob is disposed on the other tail end of the inner cover. A side of the inner sliding knob is provided with a fixing shaft sleeved by an elastic assembly. An outer sliding groove is disposed in the outer side surface of the outer cover and is equipped with an outer sliding knob combined with and fixed on the inner sliding knob. The invention solves the problem that an interface cover plate cannot be opened because of interference. The inner cover is rotated by using the torsion force of the torsion spring so that the outer cover contacts an interference point. Therefore, the outer cover is further pushed to slide laterally, and the interface cover plate is smoothly opened.

The invention discloses a control connecting device for detecting an electric control camera lens. The whole device is composed of a machine body end positioning convex claw, a lens end positioning concave claw, a limiting hole, a contact, a contact piece, a limiting pin and a flat cable. When the to-be-tested electrically-controlled camera lens leaves the camera body for testing, the positioning concave claw is connected with the electrically-controlled camera lens, the positioning convex claw is connected with the camera body, and the electrically-controlled camera lens separated from the camera body obtains a control signal transmitted by the camera body through a flat cable, so that control on parameters such as opening, closing, size, focusing and zooming of an aperture of the electrically-controlled camera lens is realized. The device has the advantages that: the problem that a control signal cannot be obtained after the electronic control camera lens is separated from the machine body during detection is solved, the separated electronic control camera lens and the machine body are connected through the positioning convex claw and the positioning concave claw, the control signal of the machine body is indirectly obtained through the flat cable, a solution is provided for detection of the electronic control camera lens, and the test of the lens parameters is more convenient.

The invention belongs to the technical field of forcible entry robots. A hotel fire forcible entry robot comprises a forcible entry mechanism and an embrittlement mechanism, the forcible entry mechanism is arranged below the embrittlement mechanism, the bottom of the embrittlement mechanism is installed on the upper portion of the rear end of the forcible entry mechanism, the forcible entry mechanism comprises a forcible entry stabilizing part and a forcible entry working part, and the forcible entry working part is arranged at the front end of the forcible entry stabilizing part, and the tail end of the forcible entry working part is arranged at the upper part of the forcible entry stabilizing part. The invention further provides a using method of the device, and the using method comprises the steps of breaking embrittlement, mechanical breaking and the like.