10results about How to "Improve sealing performance" patented technology

The utility model provides an LNG (Liquefied Natural Gas) gasification device, which relates to the technical field of gasification devices and comprises a base, a tank body is fixedly arranged on the surface of the base, a motor is fixedly arranged on the surface of the tank body, a rotating shaft is arranged at the output end of the motor, a stirring rod is fixedly arranged on the surface of the rotating shaft, and an auger is fixedly arranged at the bottom end of the rotating shaft. A feeding pipe is fixedly installed on the surface of the tank body, an exhaust pipe is fixedly installed on the surface of the tank body, a heater is fixedly installed on the surface of the base, and a heat conduction plate is installed at the output end of the heater. By means of the design of the motor, the rotating shaft, the stirring rod and the packing auger, the effect of stirring LNG is achieved, the LNG gasification efficiency is improved, the uniformity of the LNG in the gasification process is ensured, the structure is simple, and practicability is high.

The utility model discloses a water supply and drainage anti-freezing device for municipal engineering, and relates to the technical field of water supply and drainage anti-freezing. The water supply and drainage pipe assembly comprises a first water supply and drainage pipe and a second water supply and drainage pipe, and the two ends of the first water supply and drainage pipe and the two ends of the second water supply and drainage pipe are each provided with a flange ring. The surface of the first water supply and drainage pipe and the surface of the second water supply and drainage pipe can be fully wrapped through the heat preservation cotton, so that a good heat preservation effect can be achieved, then the outer side face of the heat preservation cotton can be evenly wrapped through the limiting component, and the situation that adhesion is not tight enough after viscosity is reduced, and the service life of the heat preservation cotton is prolonged can be avoided. And meanwhile, the arranged sealing limiting shell can also achieve a good sealing and heat preservation effect on the joint of the first water supply and drainage pipe and the second water supply and drainage pipe, and therefore the anti-freezing effect of the anti-freezing device can be further improved.

The present invention relates to a low-temperature operation test device with a manipulator, which aims to solve the technical problems of insufficient low-temperature effect and large space required for the current low-temperature operation test, including an operation cabinet; the internal gap of the operation cabinet constitutes a low-temperature operation chamber for drug testing; a fixed table for placing test vessels is arranged inside the low-temperature operation chamber; a multi-axis manipulator is arranged inside the low-temperature operation chamber; and a multi-function clamping unit is arranged at the end of the multi-axis manipulator. In the present invention, a cooling component for the low-temperature operation chamber is arranged at the bottom of the operation cabinet. The component is an existing refrigeration and freezing cooling technology, so it will not be described in detail. The multi-axis manipulator and the multi-function clamping unit can be arranged to operate the internally detected and tested drug raw materials through an external control device. The low-temperature operation test device with a manipulator can realize the test operation with good sealing and heat preservation in a limited and compact space.

A thermal cycle underground wax removal device for a cavity between an oil well casing pipe and an oil well oil pipe is composed of an underground wax removal part and an external heat source channel. The device is characterized in that the underground wax removal part is formed by arranging a heat circulation inlet and outlet pipeline in a cavity and a gap between an oil well casing and an oil pipe; the external heat source channel part is a sealed closed loop formed by connecting a circulating heat pipe inlet and outlet connector, a water returning and supplementing three-way connector and the internal and external source heat circulating part. The device is left in a well throughout the year, repeated operation is not needed, a large amount of manpower and material resources are saved, oil extraction operation does not need to be stopped during automatic wax removal, the oil extraction yield is not affected, energy generated by external hot water comes from solar energy, an air energy heat pump, an electromagnetic water heater and the like, long-term benefit is achieved through one-time investment, energy conservation and environmental protection are achieved, and the overall energy-saving and synergistic effect is remarkable.

The utility model discloses a cover plate of a cylindrical power battery, which belongs to the field of power batteries and comprises a pole, a collector plate, lower plastic, a light aluminum sheet, a sealing ring, a pressing plate and upper plastic. The collector plate is arranged on the pole, and the lower plastic is assembled on the pole; the sealing ring is arranged on the pole, and the pole is provided with a light aluminum sheet; upper plastic cement is arranged on the pole; pressing plates are arranged at the top ends of the poles; the upper plastic is arranged between the pressing plate and the light aluminum sheet; the lower plastic is arranged on the periphery of the sealing ring; and the light aluminum sheet is arranged above the lower plastic and the sealing ring. According to the utility model, sealing is directly formed among the sealing gasket, the light aluminum and the pole, so that the sealing performance of a product is greatly improved, and the safety performance of the product is improved.

A kind of low air leakage rate access door for rotary dehumidifier cabinet, comprising: access door frame plate, access door body and sealing system, access door frame plate is fixed at air conditioner cabinet opening, access door body is connected with access door frame plate, sealing system is located on access door body. Wherein, access door frame plate includes: outer frame outer metal plate, outer frame inner metal plate, outer frame thermal insulation layer, outer frame plastic strip, outer frame pad iron and strong hook. Compared with the prior art, the access door adopts three sealing structures, which significantly reduces the air leakage rate. The outer metal plate of the door core plate is designed in an arc shape to avoid door jamming. The wave-shaped dispensing enhances the bonding force of the sealing glue. The external compression type door lock effectively isolates the cold bridge. The overall sealing and thermal insulation performance is improved by improving the structure, and the energy efficiency is improved.

The utility model relates to the technical field of petrochemical processing, in particular to a petrochemical pipeline heating device which comprises a pipeline and a heating device, a bent pipe is arranged on the surface of the pipeline, a power line is arranged on one side of a second clamping plate, the heating device is arranged on the surface of the pipeline and comprises a first clamping plate, and the first clamping plate is connected with the pipeline in a clamped mode. A second clamping plate is clamped to one side of the pipeline, a heat conducting plate is installed on the surface of the first clamping plate, the first clamping plate and the second clamping plate are arranged in a mirror symmetry mode, the heat conducting plate is arranged in an arc shape, the heat conducting plate sleeves the surface of the pipeline, a fixing block is fixedly connected to the surface of the first clamping plate, and a threaded rod is fixedly connected to the surface of the fixing block; according to the petroleum pipeline heating device, equipment can be conveniently heated, the situation that the pipeline is blocked by petroleum is reduced, the usability of the equipment is improved, the safety of the equipment is improved, maintenance is convenient, and the maintenance difficulty of the equipment is reduced.

The utility model relates to a door and window structure for a green building, and belongs to the technical field of doors and windows, the door and window structure comprises a window frame, a fixing plate is fixed on the front side of the window frame, a connecting plate is fixed between the front side and the rear side of an inner cavity of the window frame, a switch mechanism is arranged in the window frame, and a door and window body is arranged on the switch mechanism. According to the door and window structure for the green building, a first rotating rod and a first bevel gear are driven by a switching mechanism and a double-shaft motor to rotate together, a second bevel gear, a second rotating rod and two third bevel gears are driven by the first bevel gear to rotate together, and a fourth bevel gear and a threaded rod are driven by the third bevel gears to rotate together; due to the fact that the left threaded rod and the right threaded rod are opposite in rotation direction and thread direction, the threaded rods drive the rod sleeves and the door and window body to move together, the door and window body is made to be far away from the window frame, window opening and ventilation are convenient, otherwise, the door and window body can be closed, heat preservation performance is improved, window opening and closing are stable, and the phenomenon of deviation cannot occur to affect use.

The utility model relates to an insulation board fixing structure and a kitchenware cover. The insulation board fixing structure fixes an insulation board on an inner cover of the kitchenware. The heat preservation plate fixing structure comprises a buckle arranged on the first side of the kitchen ware inner cover and used for clamping the edge of the heat preservation plate, and a second buckle arranged on the second side of the kitchen ware inner cover. The fixing hole is formed in the insulation board; the fixing piece penetrates through the fixing hole to fix the heat preservation plate to the first side of the kitchen ware inner cover. According to the heat preservation plate fixing structure, two fixing modes of the buckle and the fixing piece are arranged, the heat preservation plate is more firmly fixed on the inner cover of the kitchen ware under the condition that the whole heat preservation plate fixing structure is convenient to disassemble, the stability of the fixing structure is improved, and a gap between the heat preservation plate and the inner cover of the kitchen ware is reduced. After the kitchenware cover is installed on kitchenware with a heating or heat preservation function, a better sealing and heat preservation effect can be achieved, and the kitchenware cover is convenient to disassemble, clean and install.

An open and rotatable residential mobility elevator comprises a car, a combined guide rail, a drive system, a double-fold side-opening car door, a brake-type steering mechanism, a mechanical locking device for a car frame, and a rotating shaft combination. The car can be reciprocated in the vertical direction by the drive system, and is installed on the outer wall of the building that needs to be modified through a support system. When the elevator is running, the brake-type steering mechanism loses power and locks. When the elevator rises to the target floor, the brake-type steering mechanism and the mechanical locking device of the car frame are opened, and the car is driven to rotate 90°, then stop and lock. The car door and floor door are opened, and passengers can enter and exit the car. After the passengers enter and exit, the floor door and car door are closed, the brake-type steering mechanism starts to work, and stops after rotating 90°. The mechanical locking device of the car frame locks the car and the car frame for standby use. The present invention uses the idle space at the unit door as a base station, does not change the normal entry and exit of the original unit door, and is only provided with a protective enclosure on the first floor of the building, which greatly reduces the cost.