63results about How to "Connection will not affect" patented technology

The invention discloses a connection structure of a heat exchange tube and a tube plate. The connection structure comprises the tube plate and the heat exchange tube. The connection structure is characterized in that: a section of annular sealing groove and a section of internal thread are formed on an inner wall of a heat exchange tube hole in the tube plate; a distance between the internal thread and a heat exchange tube orifice (namely an end face of the tube plate) is smaller than the distance between the annular sealing groove and the heat exchange tube orifice; an O-shaped sealing ring is sleeved on the inner section of the heat exchange tube hole of the heat exchange tube; and the O-shaped sealing ring is placed in the annular sealing groove and in fit with the annular sealing groove and the heat exchange tube. The connection structure also comprises a threaded plug, wherein threads which are in fit with the internal thread of the tube hole in the tube plate are formed on an outer wall of the threaded plug; a hollow hole is formed inside the threaded plug; the inner wall of the hole is in fit with the outer wall of the heat exchange tube; a shrinkage step is arranged in thehole; a clearance is reserved between the step and the heat exchange tube orifice; and the material hardness of the threaded plug is lower than that of the tube plate. In the situation that the heat expansion amount of the heat exchange tube cannot influence the connection of the tube plate and the heat exchange tube, the connection structure has excellent sealing performance.

In a connector having a wire connection structure of a conductor abutting type, it is an object to decrease the external size of the connector as much as possible without impairing the stability and reliability in a connection between a terminal element and a conductor. A connector (10) is provided with a terminal element (12) including a conductor-connecting section (14) connectable to a conductor (C) of an electric wire (W) and a contact section (16) capable of coming into conductive contact with a corresponding terminal element of a counterpart connector, an electrically insulating body (18) for supporting the terminal element (12) while exposing the conductor-connecting section (14) and the contact section (16), and an abutting member (20) assembled with the body (18) and bringing the wire conductor (C) into abutment with the conductor-connecting section (16) of the terminal element (12) under pressure. The body (18) includes a fitting portion (26) capable of fitting with a counterpart connector while positioning the contact section (16) of the terminal element (12) with respect to the corresponding terminal element. The conductor-connecting section (14) and the contact section (16) of the terminal element (12) are arranged to be aligned with each other in a direction generally orthogonal to a connector fitting direction defined by the fitting portion (26). The connector fitting direction is generally perpendicular to a wire extending direction on the body (18).

The invention relates to a concrete filled steel tube specially shaped column suitable for industrial production, which is a cross specially shaped column. The column comprises steel plates, long through bolts and concrete; the steel plates comprise four interior angle steel plates (6) and four U-steel plates (8); the interior angle steel plates (6) comprise corner parts (6-1), two end parts (6-2) and two side parts (6-3); the four interior angle steel plates (6) and the U-steel plates (8) are matched with each other in dimensions; the U-steel plates (8) and the end parts of the adjacent interior angle steel plates (6) are welded and connected respectively to form a cross specially shaped column body; the center and four end part sections of the cross specially shaped column are all square; the side parts of the corresponding interior angle steel plates (6) are consistent in dimensions, are provided with bolt holes, and are fixed and connected by virtue of the long through bolts; concrete is poured in the cross specially shaped column. The concrete filled steel tube specially shaped column disclosed by the invention is suitable for industrial batch production, and quick splicing in a construction site is realized.

The invention discloses a confidence leakage protection method, comprising steps of broadcasting related frame or data frames when a monitoring terminal is connected to an illegal AP, obtaining terminal characteristics of the terminal according to the related frame and the data frame, detecting whether the terminal characteristics exist in a preset terminal characteristic database, if yes, performing the leakage protection on the terminal. In leakage protection method, because the terminal characteristic database stores terminal characteristics of the terminal which is connected to the legal AP, so that the confidence leakage protection can be only applied on the terminal of the terminal characteristic database, and the confidence leakage protection is not performed on the terminal which is not in he terminal characteristic database without affecting the illegal connection with the AP by the terminal which is not in the terminal characteristic database. The invention does not affect the connection with the AP by the terminals of the other enterprise, and reduces the misjudgment.

The embodiment of the invention discloses a method for manufacturing a lamp belt and the lamp belt, wherein the lamp belt comprises at least two first leads and at least one lamp string, wherein the first leads are used as main power lines, the lamp string is electrically connected with the first leads through a second electric conductor, the lamp string comprises a plurality of connecting lines,and the lamp string also comprises a light source or a first electric conductor welded between the connecting lines. By adopting the method, the manufacturing flow of the lamp belt can be simplified.The lamp belt provided by the invention has simple structure and good stability.

The invention discloses a new-energy high-efficient wind power electric generation method. The device for implementing the new-energy high-efficient wind power electric generation method comprises a vertical rod, wherein an expansion fixed pile inner core is arranged in the expansion fixed pile; an expansion fixed pile outer layer is arranged on the surface of the expansion fixed pile inner core;a supporting rod is arranged at the top of the vertical rod; an electric generator connecting cylinder is arranged at the top of the supporting rod; an electric generator is arranged on one side of the electric generator connecting cylinder; a first wind blade shaft, a second wind blade shaft and a third wind blade shaft are arranged in the electric generator connecting cylinder; a first wind blade is arranged at one end of the first wind blade shaft; a second wind blade is arranged at one end of the second wind blade shaft; and a third wind blade is arranged at one end of the third wind bladeshaft. According to the new-energy high-efficient wind power electric generation device disclosed by the invention, the expansion fixed pile, the first wind blade, the first wind blade shaft, the second wind blade, the second wind blade shaft, the third wind blade and the third wind blade shaft are arranged.

The invention provides an automobile sun shield, relates to the technical field of automobile accessories, solves the problems that the size of an existing automobile sun shield cannot be adjusted, the shielding range is limited, and the use requirements of a driver and passengers cannot be met, and further solves the problems that after the sun shield is used for a long time, the interface part of the sun shield is easily abraded and damaged, and the sun shield is inconvenient to replace. The automobile sun shield comprises a sun shield, wherein the sun shield comprises a make-up mirror and an inner groove, the inner groove is formed in the front end of the sun shield, the make-up mirror is embedded in the left end in the inner groove, the bottom end of the sun shield is rotationally connected with an auxiliary plate, the left side of the top end of the sun shield is clamped with a fixed inserting opening, and the right side of the top end of the sun shield is rotationally connected with a movable clamping base. The left side of the top end of the sun shield is provided with a connecting plug, the connecting plug and the fixed inserting opening are of a clamping structure, and when the sun shield is damaged, the sun shield and the fixed inserting opening can be rapidly separated under the action of the connecting plug and the fixed inserting opening.

The invention is applicable to the technical field of electronic devices and provides a touch screen and an electronic device. The touch screen comprises a cover plate and sensing film which are superposed to form a whole, the area of the sensing film is smaller than that of the cover plate, and the position of the sensing film is staggered with one end or the opposite ends of the cover plate. Theelectronic device comprises the touch screen and a middle frame. A first connecting portion and a second connecting portion which are different in height can be arranged in a middle frame of the electronic device, so that the sensing film higher than the plane of the cover plate can be superposed on the lower second connecting portion, or the middle frame of the electronic device is correspondingly provided with a first connecting portion and a second connecting portion which are different in height. The common film lower in cost is firstly bonded on the cover plate and then is connected withthe first connecting portion, while the sensing film is directly bonded on the second connecting portion, and the connection between the touch screen and the middle frame is not affected. It is thusclear that the material cost of the sensing film is saved, and the connection between the touch screen and the middle frame is not affected.

A sofa maintenance device for maintenance of office equipment includes an extension mechanism, a cleaning structure, a hose, a loading mechanism, a storage and a winding mechanism, and is characterized in that one end of the extension mechanism is installed with a cleaning structure, the other end of the extension mechanism is fixed with the hose, the loading mechanism is installed at one end of the hose, a storage device is fixed on one side wall of the loading mechanism, the winding mechanism is installed in the middle of the loading mechanism; the winding mechanism is wound with a hose; thedevice is provided with an atomizer capable of humidifying the brush head, the atomizer converts the cleaning liquid in the reservoir into water vapor, The hose is introduced into the brush head, andthe servo motor is used to drive the belt to rotate, and the gear drives the brush head to rotate under the action of the belt, so that the sofa can be scrubbed and cleaned to a certain extent, and the atomized liquid does not soak the sofa, dampens the sofa, and is convenient for the sofa to be ventilated and dried.

The invention discloses a connection structure of a heat exchange tube and a tube plate. The connection structure comprises the tube plate and the heat exchange tube. The connection structure is characterized in that: a section of annular sealing groove and a section of internal thread are formed on an inner wall of a heat exchange tube hole in the tube plate; a distance between the internal thread and a heat exchange tube orifice (namely an end face of the tube plate) is smaller than the distance between the annular sealing groove and the heat exchange tube orifice; an O-shaped sealing ring is sleeved on the inner section of the heat exchange tube hole of the heat exchange tube; and the O-shaped sealing ring is placed in the annular sealing groove and in fit with the annular sealing groove and the heat exchange tube. The connection structure also comprises a threaded plug, wherein threads which are in fit with the internal thread of the tube hole in the tube plate are formed on an outer wall of the threaded plug; a hollow hole is formed inside the threaded plug; the inner wall of the hole is in fit with the outer wall of the heat exchange tube; a shrinkage step is arranged in thehole; a clearance is reserved between the step and the heat exchange tube orifice; and the material hardness of the threaded plug is lower than that of the tube plate. In the situation that the heat expansion amount of the heat exchange tube cannot influence the connection of the tube plate and the heat exchange tube, the connection structure has excellent sealing performance.

The invention discloses an injection molding machine with a convenient-to-clean discharge hole. The injection molding machine with the convenient-to-clean discharge hole comprises an injection moldingmachine discharge hole, wherein an annular heat-conducting block sleeves on the injection molding machine discharge hole; an electric heating wire is arranged in an annular cavity; a wire is fixedlyconnected to one end of the electric heating wire; one end, far away from the electric heating wire, of the wire penetrates through the annular heat-conducting block so as to extend to the outer partand be electrically connected with an external power supply; an annular limiting block is arranged on the upper side of the annular heat-conducting block; the annular heat-conducting block is fixedlyconnected with the annular limiting block through multiple elastic limiting mechanisms; a flushing pipe is horizontally arranged on the upper side of the annular limiting block; one end of the flushing pipe is fixedly connected with the injection molding machine discharge hole; a water pipe connector is fixedly connected to the other end of the flushing pipe; a first one-way valve is fixedly connected onto the flushing pipe; and a second one-way valve is fixedly connected onto the injection molding machine discharge hole. The injection molding machine with the convenient-to-clean discharge hole provided by the invention is reasonable in structure, the blockage of the injection molding machine discharge hole is reduced, and meanwhile, the injection molding machine discharge hole can be conveniently cleaned.

The invention discloses a fixing device for a membrane type oxygenator. The fixing device comprises a shell, a snapping buckle member and a driving member, wherein the shell has a first accommodatingspace, a second accommodating space located above the first accommodating space and a gap, the snapping buckle member is arranged in the first accommodating space, one end of the snapping buckle member has a snap hook bulging from the gap, and the driving member is arranged in the second accommodating space and is connected with a guide groove of the snapping buckle member through a guide hole. The fixing device disclosed by the invention can be operated by a single hand, can be rapidly mounted on the membrane type oxygenator or demounted from the membrane type oxygenator and can be arranged at a joint of a blood reservoir and a connecting rack without hindering connection between draft tubes and the blood reservoir / oxygenator and reading of blood volume graduations of the blood reservoir.

The invention discloses a low-voltage power distribution cabinet with a grounding structure, and the cabinet is provided with a cabinet body, and the interior of the cabinet body is movably provided with a mounting plate. The grounding lead fixedly penetrates through the top of the cabinet body, and a partition plate is fixed in the cabinet body on the outer side of the grounding lead; a fixing rod and an adjusting rod are arranged at the corners of a mounting plate in a penetrating mode. A mounting hole is formed in the cabinet body on the outer side of the grounding pile, and a sealing baffle plate is hinged to the side of the supporting shaft; a fixing hole is formed in the side surface of the grounding pile; and the motor is installed on the inner wall of the cabinet body through bolts, and an output shaft of the motor is fixedly connected with a connecting roller. According to the low-voltage power distribution cabinet provided with the grounding structure, after the power distribution cabinet is impacted and vibrated, the stability of the grounding structure can still be kept, efficient guiding of thunder and lightning is achieved, the sealing performance of the connecting position of the grounding structure and the power distribution cabinet can be guaranteed, and erosion to the surface of the grounding structure is reduced.

The invention discloses a mill, which is composed of a frame, an automatic feeding machine, a particle material cylinder, a vibrating feeder, a feeding pipe, a mill, a fan, a material suction pipe, a cyclone separator, a combined shut-off fan, Composed of rotating frame, counterweight, separating screen and soft interface, the upper cover and the main shaft shell of the mill are respectively fixed on the upper and lower sides of the grinding disc shell, the main shaft is installed in the main shaft shell through the bearing, and the lower cutter head is installed on the movable There is a gap between the upper and lower cutter heads and the moving disk, the moving disk and the main shaft are fixed, the upper cutter head is fixed on the fixed seat, and there is a gap between the upper cutter head and the fixed seat, and the grinding disc shell is provided for cooling separately. On the outside of the upper cutter head, between the upper cutter head and the lower cutter head, on the upper air passage, the middle air passage, and the lower air passage outside the lower cutter head, the air outlet is connected to the fan, the fixing seat is connected to the upper cover, and the material inlet is connected to the fixing seat Connected, the present invention has the characteristics of adopting air cooling for the upper cutter head and the lower cutter head, stable rotation, high working efficiency, and automatic matching of eccentric loads.

The present invention relates to a secret leakage protection method, which includes listening to an associated frame or data frame broadcast when a terminal connects to an illegal AP; acquiring the terminal feature of the terminal according to the associated frame or data frame; detecting whether the terminal feature exists in the preset If it is in the preset terminal feature database, then implement leakage protection on the terminal. With this leak protection method, since the terminal feature database stores the terminal features of terminals capable of connecting to legitimate APs, the leak protection can only be implemented for terminals that exist in the terminal feature database, and for terminals that are not in the terminal signature database, the Leakage protection is not implemented, so that it will not affect the connection of terminals that are not in the terminal signature database to illegal APs, that is, it will not affect the connection of terminals of other enterprises to their APs, reducing misjudgment.

The invention relates to an ice making drum which comprises an ice making drum body. A bottom plate mounting drum is arranged at the lower end of the ice making drum body, and is provided with a mounting drum inner wall hermetically matched with the periphery of a corresponding bottom plate by means of a seal ring. Hook penetration holes for allowing elastic hooks on the bottom plate to pass are formed in the bottom of the ice making drum body and on the inner side of the bottom plate mounting drum. A push rod device, which can move in the up-and-down direction to push the upper ends of the elastic hooks to separate hook parts of the elastic hooks from the ice making drum body, is arranged on the ice making drum. Through the adoption of the ice making drum, the problem that in the prior art, an ice making drum and a bottom plate need to be in frozen connection in a refrigerator in advance, so that the ice making process is tedious is solved.

An embodiment of the present invention provides a flat-panel phased array antenna, which relates to the field of antenna technology. The flat-panel phased-array antenna includes a microwave board, a structural member, a digital circuit board, a control unit, a power supply unit, and multiple antenna radiation units. An antenna radiating unit is set on one side surface of the microwave board, the structural parts are mounted on the other side surface of the microwave board, the digital circuit board is installed on the structural parts and electrically connected with the microwave board, the control unit and the power supply unit are set on the digital On the circuit board, at least part of the digital circuit board is arranged opposite to the microwave board, and the projection of the digital circuit board on the microwave board is located in the microwave board. Compared with the prior art, the planar phased array antenna provided by the embodiment of the present invention can realize arbitrary splicing and large array formation, and has small size, low processing difficulty and low processing cost.

The invention provides a connecting mechanism for natural gas sampling, and the connecting mechanism for natural gas sampling is used for connecting a gas production pipeline with a sampling pipe. Theconnecting mechanism for natural gas sampling comprises an upper pipe clamp attached to the top of the gas production pipeline, a lower pipe clamp opposite to the upper pipe clamp and attached to thebottom of the gas production pipeline, bolts and connecting rods, one ends of the connecting rods are connected with the middles of the bolts, and the other ends of the connecting rods are connectedwith the sampling pipe; the two bolts and the two connecting rods are arranged symmetrically, one end of each bolt is rotatably connected with one end of the lower pipe clamp, and the other end of each bolt can be connected with one end of the upper pipe clamp in a clamped mode and locked on the upper pipe clamp through nuts. According to the connecting mechanism for natural gas sampling, the upper pipe clamp and the lower pipe clamp can be quickly connected to the gas production pipeline through the bolts rotationally connected with the lower pipe clamp, a connecting fulcrum is provided for butt joint of the sampling pipe and a sampling opening of the gas production pipeline, during disassembly, the upper pipe clamp and the lower pipe clamp can be disconnected by reversely rotating the bolts to be separated from the upper pipe clamp after the nuts are loosened, so that the upper pipe clamp and the lower pipe clamp can be quickly taken down, operation is convenient and simple, and efficiency is high.