61results about How to "Air pressure adjustment" patented technology

The invention provides an element installing device, which has a suction nozzle seat (51) embedded into a through hole of a cylindrical part (52) and supported by the cylindrical part (52). A nozzle (83) is retained in a way to freely move along the axial direction (Z direction) relative to the retaining hole equipped inside the suction nozzle seat (51). The nozzle (83) is provided with two communication holes (FH1. FH2). Two communication holes (CH1, CH2) are also equipped inside the suction nozzle seat (51). The communication and connection of the communication holes are switched through the descending of the nozzle toward the element absorbing postion and the rising of the nozzle towards the rising end. The air pressure located on the front of the nozzle (83) and supplied from an air pressure guiding channel (831) is adjusted.

The invention relates to a low-wind-resistance anemometer. The low-wind-resistance anemometer comprises a flow guide assembly, a wind pressure detection assembly and a pressure stabilizing assembly. The flow guide assembly comprises an air channel cavity composed of an upper flow guide surface and a lower flow guide surface which are parallel to each other. The wind pressure detection assembly comprises a closed cavity. The closed cavity is located at the center of the lower flow guide surface. The upper portion of the closed cavity is spherical. The spherical surface of the closed cavity is made of a soft thin film. The round bottom of the closed cavity is provided with a pressure sensor. A plurality of wind deflectors are arranged between the upper flow guide surface and the lower flow guide surface in an annular array mode. The axes of the wind deflectors are located in the diameter direction of the closed cavity. The planes where the wind deflectors are located are perpendicular to a pressure borne surface. A plurality of stand columns are arranged between the upper flow guide surface and the lower flow guide surface. The stand columns are arranged around the closed cavity. An annular trapezoidal filter screen is arranged between the edge of the upper flow guide surface and the edge of the lower flow guide surface.

The invention discloses a quick-to-replace minimally invasive robot end surgical instrument, and belongs to the field of medical instruments. The quick-to-replace minimally invasive robot end surgicalinstrument comprises a control part and an operating part which are connected, wherein the control part is mounted on a robot, and the operating part is used for surgical operation; the surgical instrument is characterized in that the operating part comprises a second power rod, a second fixing rod, a forceps head and a joint part; the second fixing rod is connected with the joint part; the forceps head is hinged to the joint part; the second power rod drives the forceps head to be opened and closed; the section of the second power rod is semicircular; a protruding part is arranged at the tail end of the second power rod; the section of the second fixing rod is semicircular; and a protruding part is arranged at the tail end of the second power rod.

The invention relates to the technical field of cold-foil printing, in particular to a conveying device used for printed matter cold-foil printing. The conveying device used for printed matter cold-foil printing comprises a rotating roller, a rubber cylinder is sleeved outside the rotating roller, a plurality of uniformly distributed collecting and distributing pipe cavities I and collecting and distributing pipe cavities II are annularly arranged in the rotating roller, an annular pipe cavity I is formed in a position, on one side of the collecting and distributing pipe cavities I, on the rotating roller, and an annular pipe cavity II is formed in the position, on one side of collecting and distributing pipe cavities II, on the rotating roller. By means of the structural design of the conveying device used for printed matter cold-foil printing, time pressure of telescopic columns on the rubber cylinder is achieved, mutual positioning connection is achieved through friction force, therotating roller rotates to stably drive the rubber cylinder, and if the rubber cylinder needs to be taken down, a pressure rod needs to be manually pulled in a reciprocating mode, so that controllinga sliding column is realized, then a plurality of telescopic columns retract into the rotating roller, the synchronous fixing state of the rotating roller and the rubber cylinder is broken, the rubbercylinder is pulled down from the rotating roller, and the operation is easy, convenient and fast.

The invention discloses a dust removing device for an air outlet of a vehicle-mounted air conditioner. The dust removing device comprises a basal body (1), a louver (2), a suction fan (12), a dust storing tank (13) and a baffle (5), wherein an air outlet is formed in the basal body (1); the louver (2) is hinged to the basal body (1), and the air outlet can be sealed through rotation; an air suction port is formed in the side surface of the basal body (1); the suction fan (12) is arranged at the air suction port, and is connected to the dust storing tank (13); the dust storing tank (13) is arranged on one side, in which the air suction port is formed, of the basal body (1); and one end of the baffle (5) enters between the basal body (1) and the dust storing tank (13) in an attack manner, and can slide in the length direction to keep out the air outlet. According to the dust removing device for the air outlet of the vehicle-mounted air conditioner disclosed by the invention, the problem that in the prior art, dust removal cannot be performed on the air outlet of the vehicle-mounted air conditioner is solved.

The invention discloses a novel air inlet and exhaust device of a water supply flow-stabilizing tank. The novel air inlet and exhaust device comprises a base, wherein support rods fixedly connected with the base are symmetrically arranged on the upper side of the base, a first rotation groove and a second rotation groove are arranged in each support rod, a first rotation shaft rotatably connectedwith the first rotation groove is inserted in the first rotation groove, a second rotation shaft rotatably connected with the second rotation groove is inserted in the second rotation groove, the first rotation shaft is positioned below the second rotation shaft, and a first rotation plate is arranged on the first rotation shaft. The novel air inlet and exhaust device of the water supply flow-stabilizing tank has the advantages that through the combined action of air pressure in a tank body and the external atmospheric pressure, when air pressure in the tank body is relatively high, a connecting rope pulls a pressure block, then air can be exhausted from an air outlet pipe, meanwhile, the exhausted air passes through a drying device, thus moisture can be eliminated, therefore, the use safety of the device is improved, when air pressure in the tank body is relatively low, under the effect of the external atmospheric pressure, the air inlet pipe is opened, air enters the tank, and the air pressure in the tank is regulated.

The invention belongs to the field of municipal machinery, particularly relates to a paver for municipal engineering construction and a construction method of the paver, and provides the following scheme aiming at the problems that an existing adopted automatic paver is high in cost on one hand, complex in operation on the other hand and partially needs to be operated manually. The scheme is that the paver comprises a machine body, a mounting box is fixedly mounted on one side of the machine body, an inclined panel is fixedly mounted on the inner wall of the bottom of the mounting box, a plurality of conveying rollers are rotatably connected into the mounting box at equal intervals, a discharging hole is formed in the inner wall of the bottom of one side of the mounting box, and the conveying rollers are all located on one side of the inclined panel. Enclosures are fixedly installed on both sides of the inclined panel. According to the paver, automatic floor tile laying can be achieved, and the floor tiles can be compacted after being laid, so that manual laying can be effectively replaced, the manual use cost is greatly reduced, the working efficiency can be effectively improved, and therefore the paver has good practicability.

The invention relates to the technical field of cosmetic filling, and discloses a cosmetic filling device capable of removing bubbles and suitable for different concentrations. The cosmetic filling device comprises an air pressure tank, a feeding pipe is inserted into the top of the air pressure tank, a vacuum cover is fixedly connected to the inner top of the air pressure tank, a swing door is movably connected to the top of the vacuum cover, a suction block is fixedly connected to the inner wall of the air pressure tank, a discharging pipe is inserted into the bottom of a hopper, a stirringwheel is fixedly connected into the discharging pipe, a filling head is inserted into the bottom of the air pressure tank, a sliding rheostat is fixedly connected to the inner bottom of the air pressure tank, and a rotating wheel is fixedly connected to the bottom of the hopper. According to the cosmetic filling device capable of removing bubbles and suitable for different concentrations, the hopper descends to drive a push rod to descend, the push rod descends to reduce the air pressure in the air pressure box, the air pressure box reduces an air bag, and the air bag and an air pressure pipeare used in cooperation, so that the effect of adjusting the air pressure according to the concentrations is achieved.

The invention relates to an anti-fouling type anemograph. The anti-fouling type anemograph comprises a flow diversion assembly and an air pressure detection assembly. The flow diversion assembly comprises an air duct cavity composed of an upper drainage face and a lower drainage face which are parallel to each other. The air pressure detection assembly comprises a closed cavity. The closed cavity is located in the center of the lower drainage face, the upper portion of the closed cavity is spherical, and a pressure sensor is arranged at the round bottom of the closed cavity. The closed cavity is filled with air. An annular filter net is arranged between the upper drainage face and the lower drainage face. The anti-fouling type anemograph further comprises a shell, the shell comprises a circular-truncated-cone-shaped upper shell arranged at the upper portion of the upper drainage face and a lower shell arranged at the lower portion of the upper drainage face, the lower shell comprises an air guide ring and a supporting part, the closed cavity is fixed to the supporting part, the air guide ring is fixedly connected with the supporting part through multiple connecting rods, and an annular dirt discharge cavity with the two open ends is formed between the air guide ring and the supporting part. An annular air guide cavity is formed between the bottom of the upper shell and the upper portion of the air guide ring.

The invention discloses a mechanical filtering device integrating filtering and extracting and provided with a clamping structure. The mechanical filtering device comprises a filtering box, an extracting box and a fixing frame. The filtering box is arranged on the extracting box and is communicated with the extracting box; a connecting plate and a receiving hopper are arranged in the filtering box; a primary filter screen is arranged on the connecting plate; a first advanced filter membrane and a second advanced filter membrane are arranged on the receiving hopper; a rotating part is vertically arranged on the material receiving hopper and is rotationally connected with the filtering box; a stirring piece is arranged on a first output shaft and is positioned in the receiving hopper; a first transmission part is in transmission connection with a second output shaft, a second transmission part is in transmission connection with the rotating part, and the first transmission part is in transmission connection with the second transmission part; a pressurizing mechanism is arranged on the filtering box; a liquid inlet pipe is arranged on the filtering box; a pressure relief pipe is arranged on the filtering box; and the fixing frame is arranged on the filtering box. The device is easy to operate, good in filtering effect and high in filtering efficiency, integrates filtering and extraction, is provided with a clamping structure, is convenient to use, remarkably improves the operation efficiency, and saves time and labor.

The invention relates to a waterproof treatment process for a hardware product. The waterproof treatment process for the hardware product comprises the following steps that A, corresponding waterproofcoating materials are selected according to different base materials and functions of the product; B, the corresponding waterproof coating materials are placed into needle cylinders of different dispensers; C, dispensing paths and glue discharging quantities of the different dispensers are set according to requirements; and D, glue dispensing is conducted on corresponding positions, made from thedifferent base materials and having the different functions, of the product through the dispensers, and the product is rapidly placed to allow glue to automatically flow flat. By adoption of the technical scheme, the requirement for light and thin design of existing products can be met, the number of elastomers used by traditional structures for water prevention is effectively reduced, the numberof parts of the product is reduced, the production efficiency is improved, and meanwhile, the requirement for efficient water prevention of the hardware product is effectively met.

The invention discloses and provides a cavity constant-pressure device with simple structure, reasonable design and capacity to timely adjust pressure intensity change in a sealing environment. The device comprises a hollow shell body, wherein a constant-pressure sealing structure is installed in the shell body in an adaptive mode, a fluid is stored in the constant-pressure sealing structure, onlyone air vent is formed in the constant-pressure sealing structure, and the air vent is hermetically connected with an external sealing device. The cavity constant-pressure device can be applied to the technical field of pressure intensity adjusting devices.

The invention relates to the technical field of medical instruments, in particular to a pelvic bone injury emergency fixing device which comprises a mounting plate, a sliding block, a lead screw, a mounting rod, a fixing ring, an air bag, an adjusting assembly and a massage assembly, the mounting plate is provided with a groove, the groove is located in the mounting plate, an opening faces one side of the mounting plate, and the sliding block is slidably connected with the mounting plate and located in the groove; the lead screw is rotationally connected with the mounting plate and rotationally connected with the sliding block, the mounting rod is fixedly connected with the sliding block and slidably connected with the mounting plate, the fixing rings are mounted on the mounting rod through the adjusting assembly, the massage assembly is arranged on the fixing rings, the two fixing rings are close to each other and attached to the buttocks of the patient, and the pelvic bone of the patient is rapidly positioned and fixed; the air bag is inflated through the air pump, the air bag swells, and the pelvis of the patient is pushed, folded and fixed, so that the pelvis of the patient is rapidly and emergently fixed.

The invention provides an output air pressure variable air compressor. The air compressor comprises a base and a third air way; rollers are arranged on the left and right sides of the bottom of the base; support rods are arranged on the sides, far from the axis of the base, of the rollers; fixed pieces are arranged on the sides, near the axis of the base, of the rollers; a push rod is arranged onthe left side of the top of the base; an air compressor main body is arranged on the right side of the top of he base; an exhaust pipe is arranged at the bottom of an adjusting device; a joint is arranged at the top of the adjusting device, and is connected with a first air way; the first air way is formed in the top of the inner side of the adjusting device; the left and right sides of the bottomof the first air way are connected with second air ways; sealing plugs are arranged at the ends, near the first air way, in the second air ways; and fixed discs are fixed on the sides, far from the first air way, of the sealing plugs. The output air pressure variable air compressor has the characteristics of simple structure, high disassembly convenience and simple operation mode.

The invention relates to the technical field of feeding supplies, in particular to a nipple with an air return valve and a feeding bottle applying the nipple. The nipple is a formed product which is made from soft resin and other elastomers and is roughly in a conical hollow body as a whole; a diameter-reducing part groove formed by grooves or slots is formed between a bulging part and a flange part of the nipple and has the size large enough for the flange part of a lid matched with the groove to enter; the flange part is provided with the air return valve, and the air return valve is formedin the mode that the lower surface of an integrated part protrudes, and is not limited to the thickness interior of the flange; the lower portion of the integrated part forms movable sheets, namely valve bodies with thin walls; the valve bodies can be stretched to form a slit; the integrated part forms a gap through a sinking space. According to the nipple, through the arrangement of the air return valve, the balance between the inner and outer pressure of the feeding bottle can be achieved.

The invention belongs to the field of valves, and particularly relates to an inflation valve for a multi-layer tire. The inflation valve for the multi-layer tire comprises a valve for inflating and deflating one layer of the tire. An external air passage is arranged outside the valve, the external air passage communicates with another layer of the tire, the external air passage is provided with anisolation device for isolating the gas in another layer from communicating with the outside, and the gas in another layer can be released by opening the isolation device. The inflation valve for themulti-layer tire has a simple structure, and the external air passage is additionally arranged on the basis of not changing the structure of the valve, so that the air pressure in the multiple layersof the tire can be adjusted.