9results about How to "Avoid discouragement" patented technology

The invention discloses a vacuum vessel and a processing technology thereof. The vacuum vessel comprises an outer shell, an inner shell and a vacuum layer between the outer shell and the inner shell. A suction opening is formed in the bottom of the shell, and an auxiliary part is arranged in the suction opening; the auxiliary part comprises a conical ring, a first conical hole and a second conical hole; the suction port is connected with the end face of the shell through a conical surface; an annular groove is formed in the first taper hole, and the annular groove is filled with a first sealing layer in the contraction direction of the first taper hole; a second sealing layer is filled between the conical ring and the conical surface; the second taper hole is filled with a third sealing layer in the extending direction between the annular groove and the end face of the shell. According to the vacuum cup and the processing technology thereof, the sealing effect of the vacuum cup is better by arranging the multiple sealing layers, better anti-falling performance is achieved when the vacuum cup is impacted or falls, and air leakage of the vacuum layers is prevented.

The utility model relates to the technical field of fluidized bed dust removal equipment, in particular to a portable fluidized bed dust catcher which comprises a dust discharge pipe and two insertion pipes, two connecting pipes are arranged on the side wall of the dust discharge pipe, insertion openings are formed in the side walls of the upper ends of the insertion pipes, rubber rings are arranged in the insertion openings, and the bottom ends of the two connecting pipes are inserted into the corresponding insertion pipes correspondingly. A plurality of lantern rings are erected at the bottom end of the inserting pipe, each lantern ring is sleeved with a dust filtering bag, and the bottom ends of all the dust filtering bags are jointly connected with an isolation layer. Compared with an existing clamping connection or threaded connection and insertion connection mode, the installation process is faster and more convenient. And the connection tightness between the connecting pipe and the insertion pipe is improved through the rubber ring, and air leakage at the joint is avoided. A clamping piece is arranged between the inserting pipe and the connecting pipe, and the connecting tightness between the inserting pipe and the connecting pipe is improved through the clamping piece.

The utility model discloses a fluorescent whitening agent slurry vacuum degassing device of anti -spill, including degassing furnace, and the degassing mechanism includes two first connecting tubes, and the one end of two first connecting tubes is connected with the U type anti -spill pipe of intercommunication, and the other end of two U type anti -spill pipes is connected with the second connecting tube of intercommunication, and the other end of two second connecting tubes is located inside the bottom of degassing furnace, and the top of degassing furnace is fixed with the conical cover, and the inner wall bottom of conical cover is fixed with the sealing plate, and the top of sealing plate is installed with vacuum pump, and the air inlet end of vacuum pump is connected with the duct of intercommunication, and the other end of duct is located inside the top of degassing furnace. The utility model has formed good sealing effect in the process of degassing, improved the efficiency of degassing, and improved the quality of fluorescent whitening agent slurry, and sealing effect avoided the outside air backwash, maintained the stable vacuum environment in the degassing furnace, reduced the equipment operation failure caused by the pressure fluctuation.

The utility model discloses a massage air bag assembly and seat massage system, include: a plurality of massage air bags, a plurality of massage air bags are around arrangement along one setting axis, and support air bag, a plurality of massage air bags are attached on support air bag, and support air bag will a plurality of massage air bags support into height adjustable, wherein, massage air bag includes at least two air bag units of laminated arrangement, and the adjacent two massage air bags are connected through at least one flexible band, and the flexible band configuration can be adjacent two massage air bags between the skew of the extrusion massage of inflation and deflation implementation to make a plurality of massage air bags keep in around arrangement state basically, the utility model discloses massage air bag adopts at least two air bag units of laminated arrangement, and the adjacent top layer's air bag unit is connected through the flexible band, to prevent the deviation when inflating or deflating, ensure the stability and accuracy of massage air bag.

The present application relates to the technical field of semiconductor manufacturing, and particularly relates to an angle correction device for LED chip packaging, which comprises a rack, a packaging table for placing chips, a mechanical arm for grabbing and moving the chips, a visual sensor for detecting the positions of the chips, a suction nozzle rod assembly, an inner side and an outer side of the suction nozzle rod assembly are respectively provided with an axial through vacuum channel, a vacuum pump for applying positive and negative air pressure to the vacuum channel, and a bottom end of the suction nozzle rod assembly constitutes a vacuum suction nozzle for adsorbing the chips. The phase change medium is melted into liquid by heating of the temperature control unit, and flows into the capillary channel under the action of gravity. Then, when the liquid drops to the surface of the chip, the temperature control unit refrigerates to make the phase change medium solidify on the surface of the chip to form a plurality of mushroom-shaped solid metal micro anchor points, and the chip is cold-welded and locked with the end face of the vacuum suction nozzle as a rigid body, so that the micro sliding of the chip caused by insufficient friction during correction rotation is fundamentally eliminated.

The utility model relates to air spring damping technical field, and disclose an air spring damping device, including, air spring upper and lower end is provided with the connecting plate, and the connecting plate inside is provided with the cavity and with air spring inside intercommunication, the one end of inflation pipe inserts the inside of connecting plate, one-way valve sets up in the one end of inflation pipe, the inside of connecting plate is provided with the deflation subassembly, and the deflation subassembly includes: bottom plate sets up in the inside of air spring, stand, set up in the top of bottom plate, and the bottom of connecting plate is connected with the top end, this damping device, through the rotation of deflation subassembly through the deflation pipe makes extrusion block extrusion sealing plate and connecting plate produce gap to exhaust. Compared with the mode of rotation of prior art device makes the deflation pipe connection more stable, thereby also avoided the possibility of deflation when bumping. This damping device, through the design of fixing assembly can fix the deflation pipe after adjusting, thereby avoided the rotation of deflation pipe, makes it more stable.

The invention belongs to the technical field of airplane wheel design, and particularly relates to an airplane brake cooling device and a brake cooling method. The brake cooling device comprises a pressure tank (5), an electromagnetic valve (6), an air leakage connector (7) and a control box (9), the air leakage connector (7) is fixed in a wheel shaft (4) of an aircraft landing gear, a cavity is formed in the air leakage connector (7), and a plurality of through holes are distributed along the circumference of a disc structure so as to lead to a brake heat reservoir (2); the pressure tank (5) is fixed at a side channel of the air leakage joint (7); the electromagnetic valve (6) is fixed on the air leakage connector (7) through a channel on the other side surface of the air leakage connector (7), and a valve core of the electromagnetic valve (6) can block the opening of the pressure tank (5); and the control box (9) is electrically connected with the electromagnetic valve (6) and the temperature sensor (8) and controls the electromagnetic valve (6) to be opened or closed according to the temperature fed back by the temperature sensor (8). The temperature control device is accurate in temperature control, low in economic cost and good in adaptability.

The present disclosure discloses a battery pack configured to discharge a high-temperature gas to the outside of the battery pack without affecting other adjacent battery modules when the gas is generated inside the battery module. The battery pack according to one aspect of the present disclosure includes a pack housing having a first accommodation space and a second accommodation space spaced apart from the first accommodation space; a plurality of first battery modules disposed within the first accommodation space; a plurality of second battery modules disposed within the second accommodation space; and a pack cover configured to include a plurality of first independent venting channels configured to guide a venting gas generated in each of the plurality of first battery modules to the outside of the pack housing and a plurality of second independent venting channels configured to guide a venting gas generated in each of the plurality of second battery modules to the outside of the pack housing.

The utility model relates to the technical field of gas purity detection and analysis, and in particular relates to a hydrogen purity detection and analysis device which comprises a storage box, a heat conduction type hydrogen purity analyzer, a gas transmission interface, an auxiliary assembly and a connecting assembly, the auxiliary assembly is connected to the storage box; the auxiliary assembly comprises a supporting rod, a fixing plate, a screw rod, a nut, a clamping piece a and a clamping piece b. The number of the fixing plates is two, the two fixing plates are connected to the supporting rod, the two ends of the screw rod are connected with the two fixing plates respectively, and the number of the nuts is two, and the nuts are connected to the periphery of the screw rod in a threaded fit mode. The clamping piece a comprises a moving block, a clamping block and an extending block; the movable block is provided with a through hole which is slidably connected to the periphery of the screw, the two sides of the movable block are connected with nuts, and the clamping piece a and the clamping piece b are connected to the periphery of the gas transmission connector. According to the utility model, the hydrogen purity detection and analysis accuracy of the thermal conductivity type hydrogen purity analyzer can be conveniently improved, and the use of the thermal conductivity type hydrogen purity analyzer in hydrogen purity detection and analysis work is improved.