12results about How to "Evenly sealed" patented technology

The present invention discloses a horizontal axis eccentric hemispherical valve, which adopts a horizontal axis structure to install the valve core, and the axis of the valve stem is perpendicular to the flow direction of the medium in the valve body and is arranged horizontally, so as not to occupy the lower end of the flow channel, so that the lower end of the flow channel can be designed to be flatter than that of a vertical eccentric hemispherical valve, thereby reducing the flow resistance. The valve core is provided with a cylindrical boss concentric with the valve core, and a sealing ring is provided in the gap on the boss, the sealing ring has a spherical crown-shaped sealing surface, and an air bag ring is provided in the gap formed by the boss and the sealing ring. The sealing ring and the valve core are fixed by a fixing assembly, so that the valve core sealing spherical crown and the valve seat center can be adjusted to be concentric during assembly, so as to overcome the processing error and ensure effective sealing.

A mask fastening system and an anesthetic airway auxiliary management device, which relates to a fastening system and an anesthetic airway auxiliary management device. The present invention aims to solve the problem that the existing mask pressing method cannot adjust the degree of mask pressing at any time, resulting in the problem that it cannot be applied to different types of patients and air leakage. The driving system and multiple transmission systems of the mask fastening system of the present invention are installed in a shell, and the tensioning rope is buckled on the mask and extends into the shell. After passing through multiple transmission systems, the first and second ends are finally accommodated in the driving system. The driving system drives the first and second ends of the tensioning rope to move so that the length of the tensioning rope outside the driving system changes, which is then converted into a change in the size of the force of the tensioning rope to fasten the mask; when tightened, the tension on the tensioning rope outside the driving system is the same. Two flexible arms are installed on the left and right sides of the mask fastening system to form an anesthetic airway auxiliary management device. The present invention is used for anesthetic airway auxiliary management.

The utility model relates to a factory building air conditioning technical field, specifically disclose a kind of air conditioning system pressure sensor quick connector, including the plug-in pipe for installing pressure sensor, with the coaxial communication of plug-in pipe and the sleeve of being wrapped in plug-in pipe outside, the sleeve of being wrapped in sleeve outside and for the fixing assembly of the sleeve and plug-in pipe fixed;The pressure sensor is located in sleeve, plug-in pipe and sleeve seal fit;Fixing assembly includes the locking mechanism of being wrapped in sleeve outside and with the rotation cooperation of sleeve, the locking mechanism of being wrapped in sleeve outside and passing through sleeve and with the plug-in fit of plug-in pipe outside, and the elastic abutment of being elastically connected with locking mechanism and located sleeve outside;The utility model can effectively realize the quick installation of pressure sensor disassembly, and need not tool auxiliary realization convenient disassembly, effectively solved the problem that traditional device disassembly is complicated, maintenance is difficult, improved maintenance efficiency, realized convenient operation, with good sealing performance.

The invention discloses an anti-air-leakage pressure measuring device for a sengstaken-blakemore tube, and relates to the technical field of sengstaken-blakemore tubes, which comprises a connecting assembly, a transmission assembly and a pressing assembly, the connecting assembly comprises a grip, a screw rod, an upper fixing ring, a vertical plate, a lower fixing ring and a spring; the handle is a rectangular body, a cylindrical screw rod is fixedly connected to the center of the bottom of the handle, a cavity is formed in the screw rod, a pressing assembly is arranged at the bottom end of the screw rod, an upper fixing ring is connected to the outer side of the middle of the screw rod in a penetrating mode, and the upper fixing ring is in an arch shape; vertical plates are fixedly connected to the front portion and the rear portion of the bottom end of the upper fixing ring, the vertical plates are rectangular bodies, the bottom ends of the two vertical plates are jointly and fixedly connected with a lower fixing ring, and the lower fixing ring is in an arch shape. By optimizing and improving the pressing assembly, inflation and deflation operation can be easily carried out, and the using process is simplified.

The utility model discloses a fluid material processing valve body structure which comprises a first valve body, a second valve body, at least one first tube plate, at least one second tube plate, at least one sealing plate and at least one sealing mechanism. The first valve body, the at least one first tube plate, the at least one sealing plate, the at least one second tube plate and the second valve body are sequentially pressed and matched through the at least one sealing mechanism to form end face sealing, the first valve body and the at least one first tube plate can synchronously rotate relative to the second valve body and the at least one second tube plate in an indexing mode, the structure is simple, and operation is convenient. The sealing effect is good.

The utility model relates to the technical field of liquid medicine packaging, in particular to an automatic medicine packaging machine based on single medicine dosage, which comprises a working table, a medicine barrel is mounted on one side of the working table, a packaging mechanism is arranged on one side of the medicine barrel, a packaging mechanism and a filling needle are respectively arranged at the top of the packaging mechanism, and the medicine barrel is connected with the filling needle through a connecting pipe. A pump body is arranged on the connecting pipe, a support, a second air cylinder and a suction cup are further installed on the workbench, a plurality of packaging boxes are arranged on the support, and a stirring machine is arranged on the pesticide barrel. The packaging precision and consistency are improved, material scattering leakage or errors caused by intermittent pause are reduced through rotary synchronous sub-packaging, the starting and stopping time is shortened, the packaging speed is higher, the production efficiency is improved, the automation degree is high, manual intervention is reduced, the requirement for large-batch continuous production is met, uniform sealing is ensured, and the production efficiency is improved. The problems of air leakage and liquid leakage possibly occurring in traditional heat sealing are solved, and meanwhile liquid medicine can be packaged after being stirred.

The utility model belongs to the technical field of charging pile cable protection, and discloses a cable sealing and fixing device and a charging pile. The cable sealing and fixing device comprises a shell, a fixing assembly and a locking assembly. The shell comprises a shell body and a partition part, a cavity is formed in the shell body, the partition part is arranged in the cavity, the partition part and the shell body can define at least one fixing cavity, the shell body is provided with at least one opening communicating with the fixing cavity, and the fixing assembly is detachably connected into the fixing cavity. One side, facing the partition piece, of the fixing assembly and the partition piece define a filling cavity, the filling cavity can be filled with pouring sealant, one end of the locking assembly penetrates through the opening and is connected to the fixing assembly in a limiting mode, the other end of the locking assembly can abut against the shell body, a cable is arranged in the locking assembly in a penetrating mode, and one end of the cable is connected with the partition piece in a sealed mode. According to the cable sealing and fixing device and the charging pile provided by the utility model, the fixation and sealing of the cable are protected in a sectional manner, so that the sealing and fixing effects of the cable can be improved.

The invention discloses a corrugated pipe installation device for culvert construction and an installation method thereof, which belongs to the field of corrugated pipe installation. The corrugated pipe installation device for culvert construction comprises a limiting device, which comprises two cross bars, two slide rails are fixedly connected between the two cross bars, racks are fixedly connected at both front and rear ends of the two cross bars, two adapting grooves are arranged at the lower ends of the cross bars, a first cylindrical hole is arranged in the middle of the left cross bar of the two cross bars, first clamping blocks are fixedly connected at both front and rear sides of the first cylindrical hole on the upper surface of the cross bar, the two slide rails are slidably connected with a linkage device, an adjusting device is rotatably connected with the middle of the adapting groove, a sealing device is fixedly connected to the right end of the left cross bar of the two cross bars, the two corrugated pipes can be firmly limited by the positioning device, the linkage device facilitates the docking of the two corrugated pipes, and the sealing device can evenly seal the connection between the two corrugated pipes.

The utility model relates to the technical field of oil and gas storage, and discloses an underground gas storage device which comprises a gas inlet and outlet pipe, a gas inlet and outlet head, a sealing assembly, a gas storage cavity and a circulating mechanism. Through the multiple air inlet and outlet heads, air released by the air inlet and outlet pipe is more evenly filled in the air storage cavity, the situation that the air is not evenly distributed in the air storage cavity, and consequently the temperatures of all positions in the air storage cavity are inconsistent is avoided, meanwhile, the sealing assembly can better seal the containing space, and the circulation mechanism can conduct heat exchange on the air inlet and outlet pipe and the multiple air inlet and outlet heads. Therefore, the air inlet and outlet pipe and the air inlet and outlet heads can guarantee the working temperature, the technical problems that in the prior art, compressed air with uneven temperature distribution and uneven pressure causes cracking and even failure of a sealing layer, and normal operation of a project is affected are solved, and the purposes that the pressure of the compressed air in the containing space is balanced, the temperature is moderate, and the service life of the project is prolonged are achieved. Cracking or failure of the sealing layer is avoided, and the service life of the sealing layer is prolonged.

The utility model relates to the field of packaging bag sealing, in particular to veterinary drug packaging bag heat sealing equipment which comprises a machine body, a rotating seat, a first roller, a second roller and an ultrasonic thickness sensor, the upper end of the machine body is rotationally provided with the rotating seat, the lower end of the rotating seat is provided with a limiting strip with an elastic mechanism, and the upper end of the machine body is provided with a heating strip. Fixing frames are fixed to one side of the machine body, a first roller is rotationally installed between the fixing frames, lifting blocks with elastic mechanisms are inserted into the upper ends of the fixing frames, a second roller is rotationally installed between the lifting blocks, and an ultrasonic thickness sensor is fixed to the lower end of the middle of the second roller. According to the veterinary drug bag sealing device, veterinary drugs can be prevented from overflowing through auxiliary bag opening packaging, the temperature control adjusting sealing effect of the matched bag opening thickness is achieved, and the problems that when an existing veterinary drug bag is sealed, the veterinary drugs cannot be effectively prevented from overflowing, normal packaging is affected, and the thickness detection function and the appropriate temperature control function are lacked are solved.

This utility model relates to the field of pipeline repair equipment, and more particularly to a repair device for processing PE steel wire mesh reinforced pipes, including a toothed ring and a sealing gun. A clamping plate that contacts the pipe is connected inside the toothed ring. An installation block is connected to the inner ring of the toothed ring. Fixing screws are threaded onto the left and right sides of the installation block. A fixing block is connected to the end of the sealing gun. The fixing block is slidably connected to the installation block, and the installation block and fixing block are connected by fixing screws. A connecting plate is slidably connected to the side of the toothed ring, and a motor is slidably connected to the top of the connecting plate. The connecting plate is equipped with a mounting component for stabilizing the motor, and the motor's output shaft is equipped with a gear that meshes with the toothed ring. Through the arc-shaped fine stripes of the outer protective pad of the clamping plate and the slight resistance on the inner side of the pipe, the clamping plate rotates smoothly and axial sliding is restricted when inserted, thereby achieving precise positioning of the toothed ring and the inner wall of the pipe. During the repair process, the sealing gun does not deviate, achieving the purpose of stabilizing the repair process.