90results about How to "Good structural sealing" patented technology

The invention discloses a railway wagon axle end disk-type permanent magnet generation device. By the aid of the structural characteristics of a rapid freight transport bogie with an axle box device, an axle end pressing plate and an axle box cover structure are changed without changing the size and the mounting mode of an existing bearing, and the permanent magnet generation device is mounted in the rapid freight transport bogie. The permanent magnet generation device is provided with a single stator-rotor disk-type structure, a permanent magnet is used for excitation, the structure is simple, an axle box is small in size, and a rotor is connected with an axle end through screws. When a wagon runs, an axle rotates, and the generation device generates electric energy. The supply power of the generation device can meet the electricity demands of an electronic anti-skid device for a disk brake of the bogie and an online monitoring system for a running gear. The axle end disk-type permanent magnet generation device is integrally sealed in an axle box end cover and is resistant to impact vibration, hermetic, dustproof and waterproof, and a stator device and a rotor device are easily arranged and conveniently mounted and dismounted.

The invention relates to an aluminium electrolysis bath used in primary aluminium production. The aluminium electrolysis bath is characterized in that the electrolysis bath comprises an aluminium electrolysis bath body and an aluminium electrolysis bath cover plate, wherein the bath body comprises a horizontal bath bottom and vertical side bath walls connected with the bath body into a whole; and the cover plate is a horizontal cover plate which covers the upper ends of the vertical bath walls and is provided with an electrode through hole. The aluminium electrolysis bath has the advantages of ideal airtightness of bath body structure, high energy utilization rate, no pollution, small land occupation and high capacity per unit area, scientifically realizes heat preservation in a melt zone and the upper part of the electrolysis bath, and has a long service life.

The invention discloses a plastic shell motor, which comprises a stator assembly (1), a rotor assembly (2), a control circuit board (3), bearings (4), a rotating shaft (5), a front end cover (6) and a rear end cover (7), wherein the front end cover (6) and the rear end cover (7) are assembled together to form a plurality of accommodating cavities; a bearing cavity (61) is formed at the top of the front end cover (6); a stator accommodating cavity (62) is formed below the bearing cavity (61) of the front end cover (6); a circuit board accommodating cavity (72) is formed below the stator accommodating cavity (62) and inside the rear end cover (7); a bearing cavity (71) is formed below the circuit board accommodating cavity (72) and at the bottom of the rear end cover (7); the bearings (4) are arranged inside the bearing cavities (61, 71); the stator assembly (1) is nested inside the stator accommodating cavity (62); and the control circuit board (3) is arranged inside the circuit board accommodating cavity (72). The plastic shell motor has the advantages of good reclaimable property, environmental protection, strong universality, convenient and reliable assembly and the like, and is suitable for a single-phase brushless motor and a three-phase brushless motor.

The invention discloses an ascending and descending type height-adjustable overflow plate structure, which comprises a fixed water blocking plate fixedly arranged on a pool body, wherein the two ends of the fixed water blocking plate are respectively provided with longitudinal chute structures, and ascending and descending plates are arranged in the chute structures and are matched with the fixed water blocking plate and the chute structures in a sealed way. The chute structure is arranged on the fixed water blocking plate, the ascending and descending plate capable of upwards and downwards moving along the chute structures is adopted, through the proper structural design, the ascending and descending plate can still maintain the sealing state with the fixed water blocking plate and the chute structures after the height change, through the structure, the height of an overflow plate can be regulated in a certain range, and the water outlet water level of water discharge facilities such as flow cut-off wells can be regulated to different heights; the structure can realize a reverse check effect, when the overflow lower water level of the overflow plate is higher than the upper water level, the check effect can be realized through raising the height of the ascending and descending plate; the sealing performance of the structure is good, the structure is simple, and the manufacturability is good.

The invention relates to a fastening device of protection cover plates of various appliances and particularly relates to a quick-dismounting appliance protection locking device, which solves the problems that the existing equipment protection device has the disadvantages of complex dismounting, time and energy wasting and having certain limitations. The device comprises a cover plate which can coordinate with the frame of the appliance; the creative point of the device is that one end of the cover plate is provided with a slot corresponding to the position of a screw hole on the frame of the appliance and the other end is provided with a rectangular orifice corresponding to the position of an unthreaded hole on the frame of the appliance; the upper and lower parts of the two sides of the rectangular orifice are respectively provided with a check plate. The device also comprises a locating bolt coordinated with the slot and the screw hole and an adjustable bolt coordinated with the rectangular orifice and the unthreaded hole; the bolt head of the adjustable bolt is a flat bolt head, a spring fixed in the inner side of the frame of the appliance is sheathed on a threaded rod. The device of the invention is characterized by the simple structure, being easy to be assembled and detached, and saving time, energy and space, besides, the device is suitable for any occasions and has good structural leak tightness and great promotional value.

The invention relates to a monitoring and positioning device for leakage of a gas delivery pipe. The monitoring and positioning device comprises a monitoring host, a monitoring extension set and piezoelectric ceramic sensors, wherein the piezoelectric ceramic sensors are arranged at two ends of a gas pipe, the monitoring extension set is connected with the monitoring host in a communication way, a GPS (global positioning system) antenna is installed on the monitoring extension set, the piezoelectric ceramic sensors are arranged on gas pipes at the initial station and the terminal station, a signal amplifier is connected at the rear end of the piezoelectric ceramic sensor, the signal output end of the signal amplifier is connected with a data acquisition card of the monitoring extension set, and the audio receiving frequency of the piezoelectric sensor is 0.1Hz-10Hz. The monitoring and positioning device can sample and distinguish infrasonic wave of frequencies of 0.1Hz-10Hz in the gas pipes and are used for online monitoring on gas leakage. Proved by practice, the accuracy of the device on judging leakage can reach more than 98 percent; and compared with existing leakage monitoring devices, the device has considerable progress no matter in distinguishing efficiency or feasibility.

The invention relates to an integral composite rubber diaphragm filter plate and a one-step molding method thereof. The integral composite rubber diaphragm filter plate comprises an inner liner core plate and two rubber diaphragms which covers and are fixed at the two sides of the inner liner core plate, wherein the inner liner core plate is provided with a liquid passing through hole, an external connecting through hole, an internal connecting through hole and a vent pipe; bonding fixation areas are arranged at the two sides of the inner liner core plate and at the periphery of the liquid passing through hole respectively; the two sides of the inner liner core plate are respectively covered by the two rubber diaphragms; the rubber diaphragms are fixed at the two sides of the inner liner core plate by being stuck with the bonding fixation areas; the rubber diaphragms at the two sides of the inner liner core plate are stuck with each other on the side wall around the inner liner core plate, on the wall of the liquid passing through hole and in the internal and the external connecting through hole. The molding method of the filter plate comprises the steps of firstly, making the inner liner core plate, coating an adhesive onto the inner liner core plate, and molding the rubber diaphragms and the inner liner core plate for once by vulcanizing, pressing and bonding. The filter plate is good in sealing effect, reduces the springback gas energy consumption of the rubber diaphragms, is corrosion-resistant, high in strength and long in service life, has few working procedures, and reduces the cost and the manipulation strength.

The invention discloses a four-connection-bar structure sliding door for a mill. The door comprises a door frame and a door cover. The door frame is connected with a door frame outer wall through welding and is connected with one end of the door cover, and the other end of the door cover is connected with the door frame outer wall through a four-connection-bar mechanism. The four-connection-bar mechanism comprises a first fixing bar, a second fixing bar, a first connection bar, a second connection bar, a first connection shaft, a second connection shaft and a third connection shaft. Respective location sleeves are arranged on the first connection shaft, the second connection shaft and the third connection shaft. External threads are arranged at the two ends of the first connection shaft, the second connection shaft and the third connection shaft. The first connection bar is connected with the second connection shaft, the third connection shaft and bolts through bolts and nuts respectively. The second connection bar is connected with the first connection shaft and the second connection shaft through bolts respectively. The door cover is connected with the first fixing bar of the four-connection-bar mechanism through welding, and the second fixing bar is connected with the door frame outer wall through welding. The door is convenient to open and close, good in seal performance and applicable to devices with heavy access doors.

The invention relates to a metal air battery with an air pressure adjustment system. The metal air battery comprises an insulation battery shell, a battery cover plate and a bonding post, wherein a battery cell, a reaction gas and an electrolyte material are accommodated in the battery shell, the battery cover plate is provided with the air pressure adjustment system and can be hermetically connected to the battery shell, the bonding post is arranged on the battery cover plate and is used for connecting a positive electrode and a negative electrode of the battery cell, the air adjustment system comprises a pressure sensor and an gas inlet/outlet unit, the pressure sensor is used for detecting pressure of the reaction gas in the battery shell, the gas inlet/outlet unit is used for controlling the reaction gas to enter in and out of the battery shell, the air pressure adjustment system forms a structure which is used for controlling the gas inlet/outlet unit according to a pressure valuedetermined by the capacity of the battery cell so as to control in/out of the reaction gas. By the metal air battery with the air pressure adjustment system, disclosed according to the invention, adjustment, monitoring and overpressure safety protection of the gas pressure can be achieved, and the modular research and industrial application of the metal air battery can be expanded.

The invention discloses a faucet which comprises a shell. An assembling opening is communicated to a flowing channel between a water inlet connecting pipe opening and a water outlet, the assembling opening is provided with a control mechanism used for adjusting and controlling the flow of water flowing from the water inlet connecting pipe opening to the water outlet, the control mechanism comprises a fixed sheet, a movable sheet, a fastening piece and a valve rod, wherein the fixed sheet is arranged at the bottom end of an inner cavity of the assembling opening, covers the flowing channel between the water inlet connecting pipe opening and the water outlet and is used for forming a fixed flowing channel, the movable sheet presses and covers the fixed sheet in a face attachment sealing manner, is used for forming a movable flowing channel and is in rotary fit with the fixed flowing channel on the fixed sheet to form flowing channels in different radial size for controlling the water flow, the fastening piece presses and covers the movable sheet in a face attachment sealing manner,, is used for sealing the assembling opening, and is used for fixing and positioning the movable sheetand the fixed sheet in the axial direction, and the valve rod is located in a cavity defined by the fastening piece and the movable sheet, is connected with the movable sheet, and is used for controlling rotation adjustment of the movable sheet and limiting radial movement of the movable sheet; and the outwards-extending end of the valve rod is provided with a driving mechanism used for driving the valve rod to rotate.

The invention discloses a multi-core cable with fireproof and waterproof functions and a joint device thereof, belongs to the technical field of special cables, and solves problems that an existing cable joint is easy to damage, poor in fireproof, waterproof and high-temperature-resistant capabilities and poor in sealing capability of a cable joint part. The multi-core cable comprises a cable, a joint A, a joint B, an O-shaped sealing ring, a screw and a nut, a memory alloy arc-shaped sheet and a flame retardant component on the cable enable the cable to have an automatic fireproof capability,a heat dissipation mechanism further enables the cable to have an automatic heat dissipation function, and a binding post and a wire holder are complementary in structure so that reliable connectionof the cables on two sides is guaranteed; and a periphery of the binding post and the periphery of the wire holder are evenly filled with an epoxy resin pouring sealant at intervals, the binding postand the wire holder are insulated and isolated from each other, the cable can be ensured to have good sealing performance even in the cold and hot alternating environment, the impact resistance of thecable is greatly improved, and the O-shaped sealing ring, the sealing sleeve on the joint A and the sealing sleeve on the joint B can ensure the sealing of the whole structure.

The invention discloses a water storage type water heater. The water storage type water heater comprises a water storage tank, a heating cavity and a driving assembly, wherein a heating pipe is arranged in the heating cavity, a water inlet and a water outlet are formed in the surface of the heating cavity, and the water inlet and the water outlet are connected to the interior of the water storagetank in a communicating mode; the driving assembly drives water in the heating cavity to flow out from the water outlet; a shell body structure of the water storage tank comprises an inner container forming an inner surface, and the inner container is made of engineering plastic. According to the water storage type water heater, the independent heating cavity and the driving assembly are arranged,so that the water is firstly heated in the heating cavity, then the water is exchanged circularly through the openings communicating with the water storage tank, the situation that the internal localoverheating of the water storage tank is caused due to the fact that the water is directly heated in the water storage tank is avoided while the water is heated, the safety is improved, the materialof the water storage tank can be convenient to change, the engineering plastic with lighter weight and higher strength is used, the structural sealing performance and strength are further improved under the condition that the heating effect is guaranteed, and the production cost is further reduced.

The invention discloses an integral waste water disposing pool in architecture environmental protection domain, which is characterized by the following: adopting integrated four carriage four-stage waste water deposition treated construction; making the waste water form sinusoidal wave form; intensifying the effect of sewage treatment; avoiding stoppage of each running water passage in the pool. This disposing pool possesses good hermeticity, which resolves groundwater pollution of city completely.

The invention relates to a single-power-source high-low-pressure self-adaptive high-precision dynamic and static loading test system which comprises a counter-force frame, a dynamic and static composite loading oil cylinder, a pressure-bearing jacking cover, a driving oil cylinder, a connecting rod, a power module and an oil tank. All parts of the counter-force frame are connected through mortise and tenon structures, borne acting force can be converted into pulling force of the front plate and the rear plate, and ultrahigh counter-force bearing is achieved. A return stroke cavity, an oil pressure cavity and an energy storage cavity are sequentially formed in the inner space of a cylinder body of the dynamic and static combined loading oil cylinder, a hollow loading rod is arranged in the cylinder body, an impact rod is movably arranged in the hollow loading rod, and combined loading of dynamic load, static load and disturbance load of different strain rates can be achieved. The power module comprises a sliding rail block, a wave tooth, a lead screw fixing flange, a lead screw and a servo motor, torque generated by the servo motor can be converted into vertical movement and vertical force of the lead screw, and original power is provided for the whole system. The vertical movement of the power module can realize high-precision minimum static load loading; the power module is matched with the dynamic and static combined loading oil cylinder, so that high-precision super-large static loading and dynamic and static coupling loading can be realized. According to the test device, random switching between high-precision extremely-small static load and dynamic load coupling loading and high-precision ultra-large static load and dynamic load coupling loading can be achieved by means of a single power source.

The invention provides a broad-width large-shell stainless steel hollow profile and a manufacturing technology thereof and belongs to the technical field of production of wide, large and thin parts used for a railway vehicle. The profile is formed by making a decorative outside plate, a corrugated plate and an inner plate connected sequentially through lap laser welding, wherein the corrugated plate and the inner plate are located in the middle sandwich layer; the three plates are made of stainless steel plates, the thickness of the decorative outside plate is 1.5-2.5 mm, the surface of the decorative outside plate is subjected to wiredrawing processing or DF processing, the thickness of the inner plate is 1.0-1.5 mm, and the cross section of the decorative outside plate and the cross section of the inner plate are both of a flat plate structure, or the decorative outside plate and the inner plate are profiles having ribbing and formed by roll bending, or profiles with press-bending edges, or bending plates; the thickness of the corrugated plate is 0.5-0.8 mm, a single corrugated cross section of the corrugated plate is in a trapezoidal shape or a rectangular shape, and the cross section of the corrugated plate is of a homogeneous cross section structure or of a variable cross section structure. By means of the stainless steel hollow profile, multifarious small part assembling processes are omitted, the technology is simple, and the efficiency is improved; the profile is good in rigidity and is not prone to deformation during hoisting, transporting and the like.

The invention relates to the field of internal combustion engines and particularly discloses a fuel regulating pump with a washing device on a throttling portion. The fuel regulating pump comprises a fuel regulating pump body, the throttling portion, an oil pumping pipe and an oil return pipe. One end of the oil return pipe is fixedly connected with the throttling portion, and the other end of the oil return pipe is fixedly connected with the fuel regulating pump body. The throttling portion comprises a low-pressure region, a suction region and a regulating valve sliding in the low-pressure region and the suction region. One end of the regulating valve is arranged in the suction region, and the other end of the regulating valve is arranged in the low-pressure region. An oil storage chamber, an oil inlet tank, an oil filling opening, an oil return tank and an oil outlet hole are arranged in the suction region. The fuel regulating pump body is fixedly connected with the oil filling opening in the top of the throttling portion through the oil pumping pipe. The oil inlet tank, the oil return tank and the oil outlet hole communicate with the oil storage chamber to form a cavity. The regulating valve is opposite to the oil filling opening. The throttling portion is provided with the repeated washing device. According to the scheme, the repeated washing device is arranged on the oil inlet tank of the throttling portion, and an oil way in the throttling portion is prevented from being clogged.

The invention relates to an automatic lifting electric cook pot, which comprises an outer pot, and a first magnetic force device is fixedly arranged at the bottom of the outer pot; an inner pan is arranged inside the outer pan, a second magnetic device is arranged at the bottom of the inner pan, and the second magnetic device can drive the first magnetic device to move up and down by magnetic force. The invention makes the inner pot move up and down inside the outer pot through the action of the magnetic force, avoids the leakage of the lifting device, and at the same time uses the magnetic force to drive the inner pot to move up and down without the complicated mechanical structure, so that the inner pot is convenient to be disassembled and washed.

The invention discloses a cast-in-place drainage channel structure of a free-form construction top plate. The cast-in-place drainage channel structure comprises a cushion layer, wherein a bottom plate is poured on the cushion layer; a left side wall and a right side wall are poured on the left side and the right side of the bottom plate separately; a left connecting rebar and a right connecting rebar are buried into the tops of the left side wall and the right side wall; a top plate member is arranged between the tops of the left side wall and the right side wall; and a top plate wrapping body is poured on the tops of the left side wall and the right side wall and on the top plate member. The invention further discloses a construction method of the cast-in-place drainage channel structure of the free-form construction top plate. The method comprises the steps of prefabricating the top plate member in batches; casting the cushion layer, the bottom plate, the left side wall and the right side wall on site; installing the top plate member; and casting the top plate wrapping body. The sealing property of a drainage channel can be ensured, the problem that a bottom form and a support used for casting the top plate in a traditional construction method are difficult to remove is solved, the construction efficiency is relatively high, and the proficiency requirement on filling operation of a worker is lower than that in a traditional ''cover plate method prefabricating method''.

The invention discloses a component structure of a water pump seal element as well as an automatic manufacturing mechanism and method thereof. The structure comprises a moving ring, a stationary ring, a moving ring shaft sleeve, a rubber seal sleeve, a moving ring seal sleeve and a spring; a gasket is arranged between the top of the rubber seal sleeve and the spring; and a fixed seat spring sheetis arranged between the bottom of the rubber seal sleeve and the spring. The structure is characterized in that a plurality of base sleeve notches are arranged along the peripheral direction of a base sleeve according to arbitrary partition value of the circumference of the base sleeve; a plurality of positioning lugs are arranged along the peripheral direction of the middle hole of the base sleeve according to the arbitrary partition value of the middle hole of the base sleeve; stationary ring notches which are matched with the equal amount of the base sleeve notches along the peripheral direction of the stationary ring according to the arbitrary partition value of the circumference of the stationary ring; and positioning lug grooves which are matched with equal amount of the positioninglugs of the base sleeve along the peripheral direction of the inner hole of the stationary ring according to the arbitrary partition value of the circumference of the inner hole of the stationary ring. The structure provided by the invention has the advantages that the seal property is good, and the integral automatic manufacturing with high efficiency and high accuracy can be realized.

The invention discloses an automotive automatic adjusting arm which comprises an adjusting arm, a housing, a worm shaft and a turbine, wherein the adjusting arm is arranged in the housing and is movably connected with the housing; the worm shaft is arranged in the adjusting arm; the adjusting arm is fixedly connected with the worm shaft; the turbine is arranged in the housing; the turbine is connected with the housing in a rotating manner; an adjusting worm is arranged on the worm shaft and is fixedly connected with the worm shaft; the turbine is in meshed connection with the worm shaft; a locking sleeve is arranged on one side of the worm shaft; an internal spring is arranged on one side of the locking sleeve; the locking sleeve is connected with the spring; a locking screw is arranged on the locking sleeve and is in threaded connection with the housing; a cover plate is arranged outside the housing; an anchor is arranged on the cover plate; the cover plate is fixedly connected with the housing through a rivet. The automotive automatic adjusting arm is compact in structure, long in service life, convenient to operate and mount, and very suitable for being mounted on the automobile.

The invention relates to the technical field of garbage processors, in particular to a garbage processor. The garbage processor comprises a middle shell and an upper shell covering the middle shell; the upper shell is provided with a water inlet and a water outlet; a filter screen is arranged in the upper shell, so that the interior of the upper shell is divided into an inner cavity communicating with the water inlet and an outer cavity communicating with the water outlet; and the bottom of a smashing cavity is formed above the middle shell, a cavity provided with a motor assembly is formed below the middle shell, a main shaft of the motor assembly extends into the inner cavity, and the main shaft is fixedly connected to a smashing cutter located in the inner cavity. The garbage processor is reasonable in structural design, good in smashing effect, high in working efficiency, capable of well solving the problem of heating of the motor, good in overall structural sealing performance and low in noise during working.