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618results about How to "Simple sealing structure" patented technology

Electronic device and manufacturing method thereof

The invention discloses an electronic device and a manufacturing method thereof. The electronic device comprises a shell, a battery cell and a sealing plate assembly; the shell comprises a base plateand a surrounding wall; an accommodating cavity for accommodating the battery cell is formed between the surrounding wall and the substrate; an opening communicated with the accommodating cavity is formed in the end, away from the substrate, of the surrounding wall; the sealing plate assembly is used for sealing opening; the sealing plate assembly comprises a body; the body is welded with the shell and blocks the opening; the body is provided with a first side face close to the accommodating cavity and a second side face opposite to the first side face; the first side face is in insulated connection with an electrode guide plate; the electrode guide plate is connected with one tab of the battery cell; a first protruding part is arranged on the side, close to the first side face, of the electrode guide plate in a protruding mode; a liquid injection hole is formed in the first protruding part in a penetrating mode; a first through hole allowing the first protruding part to pass through is formed in the body; the second side face is in insulation connection with a conductive sealing cover; and a second protruding part is arranged on the sealing cover in a protruding mode and insertedinto the liquid injection hole to block the liquid injection hole. The electronic device is simple in structure and reliable in sealing.
Owner:EVE ENERGY CO LTD

Display device

There is disclosed a display device comprising a front case, a display panel spaced apart from the front case to define a first space therebetween, a backlight unit coupled to a rear surface of the display panel, a middle frame spaced apart from a rear surface of the backlight unit to define a second space therebetween, a rear case spaced apart from a rear surface of the middle frame to define a third space therebetween, wherein the rear case is coupled to the front case to enclose the first space, the second space, and the third space such that air is not permitted to flow between the first, second, and third spaces and an exterior of the display device, a closed cooling unit disposed such that air is permitted to flow between the closed cooling unit and the first, second, and third spaces, a closed heat exchange unit disposed at the rear case and configured such that air is permitted to flow between the closed heat exchange unit and the first, second, and third spaces via the closed cooling unit, an open heat exchange unit disposed at the rear case and configured such that air is permitted to flow between the open heat exchange unit and the exterior of the display device, wherein the open heat exchange unit is further configured to exchange heat with the closed heat exchange unit and an open cooling unit configured to exhaust air from the open heat exchange unit to the exterior of the display device.
Owner:LG ELECTRONICS INC

Railway vehicle traveling gearbox sealing structure

The invention discloses a railway vehicle traveling gearbox sealing structure which comprises an end cover, a framework oil seal, a bearing pedestal, a sealing ring and a sealing sleeve, wherein a first sealing flange of the bearing pedestal is corresponding to a first flange of the sealing ring to form a first circumferential sealing gap; a second sealing flange of the bearing pedestal is corresponding to a second flange of the sealing ring to form a second circumferential sealing gap; a third sealing flange of the bearing pedestal is corresponding to a third flange of the sealing ring to form a third circumferential sealing gap; a fifth sealing flange of the bearing pedestal extends into a second maze sealing groove of the sealing ring; a fourth flange of the sealing ring extends into a first maze sealing groove of the bearing pedestal to form maze sealing; first, second and third sealing cavities are formed between the bearing pedestal and the sealing ring; oil return holes are arranged on the bearing pedestal and located at the bottoms of the sealing cavities; the framework oil seal is arranged between the end cover and the sealing sleeve; and contact type sealing is formed between the framework oil seal and the sealing sleeve. The railway vehicle traveling gearbox sealing structure is reliable in bidirectional sealing and simple in structure.
Owner:CHANGZHOU RUITAI ENG MASCH CO LTD +1

Display device

There is disclosed a display device comprising a front case, a display panel spaced apart from the front case to define a first space therebetween, a backlight unit coupled to a rear surface of the display panel, a middle frame spaced apart from a rear surface of the backlight unit to define a second space therebetween, a rear case spaced apart from a rear surface of the middle frame to define a third space therebetween, wherein the rear case is coupled to the front case to enclose the first space, the second space, and the third space such that air is not permitted to flow between the first, second, and third spaces and an exterior of the display device, a closed cooling unit disposed such that air is permitted to flow between the closed cooling unit and the first, second, and third spaces, a closed heat exchange unit disposed at the rear case and configured such that air is permitted to flow between the closed heat exchange unit and the first, second, and third spaces via the closed cooling unit, an open heat exchange unit disposed at the rear case and configured such that air is permitted to flow between the open heat exchange unit and the exterior of the display device, wherein the open heat exchange unit is further configured to exchange heat with the closed heat exchange unit and an open cooling unit configured to exhaust air from the open heat exchange unit to the exterior of the display device.
Owner:LG ELECTRONICS INC

Immersion cooling electronic equipment

The embodiment of the invention provides electronic equipment. The electronic equipment comprises a casing and a circuit board arranged in the casing, wherein the circuit board comprises a first working area and a second working area between which an isolation groove is formed; a first electronic element arranged on the circuit board and requiring to be cooled is arranged in the first working area; the casing comprises a plurality of isolation walls; the isolation walls are in tight fit with the isolation groove to form an enclosed internal space in the casing; the first working area is sealed in the internal space; a cooling working medium is arranged in the internal space; and the first electronic element is immersed in the cooling working medium. In the embodiment of the invention, the isolation groove and the isolation walls are in tight fit to form the enclosed internal space in the casing, the cooling working medium is arranged in the internal space, a heating electronic element is immersed in the cooling working medium for being cooled down, and electronic elements which are not required to be cooled down, particularly connectors, are arranged outside the internal space in an insolating manner. Therefore, the electronic equipment has the advantages of simple sealing structure and high reliability.
Owner:HUAWEI MACHINERY

Ejector with enclosed cylinder structure

The invention discloses an enclosed cylinder structure catapult, mainly consisting of an ejection cylinder, a piston, a cylinder head, a telescopic sealing device, a high-strength steel cable and a reciprocating vehicle. Wherein, the ejection cylinder is in enclosed pipe-shaped structure consisting of a plurality of cylinder sections which are connected with flanges; a cylinder head is arranged at the starting end of the ejection cylinder where an air inlet valve and a steel cable hole is arranged; the telescopic sealing device consists of sleeves telescopically sleeved together from small internal diameter to large internal diameter; the head end of the most-inner sleeve is arranged on the piston and the tail of the most-outer sleeve extends out of the cylinder through the steel cable hole on the cylinder head. One end of the high strength steel cable passes through the telescopic sealing device and is connected with the piston in the cylinder by the steel cable hole in the cylinder head; the other end of the high strength steel cable is connected with the reciprocating vehicle; the invention adopts the enclosed cylinder, the high strength steel cable and the telescopic sealing device, etc., therefore, the invention has the advantages of high strength, light structural weight, simple sealing, high reliability and low production cost.
Owner:王志勇
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