15results about How to "Change pressure" patented technology

This utility model discloses a pressure-controllable cupping device, relating to the field of cupping technology. The device includes a cupping jar, with a safety tube fixedly connected to one side. A positioning ring is fixedly connected to one end of the safety tube, and a fixing bracket is fixedly connected to the inner circumference of the safety tube. A threaded rod is movably connected to one side of the fixing bracket, and a sealing gasket that cooperates with the positioning ring is fixedly connected to the circumference of the threaded rod. A sliding plate is slidably connected to the inner circumference of the safety tube, and the threaded rod threadedly passes through the sliding plate. In this utility model, when the pressure inside the cupping jar is too high, air can enter the jar through the safety tube, maintaining stable pressure and improving safety. Simultaneously, rotating the threaded rod changes the pressure of the second spring, thereby adjusting the pressure inside the jar. This makes it convenient to use. Furthermore, moving the threaded rod moves the sealing gasket, allowing air to quickly enter the jar, facilitating quick and safe removal of the jar.

The utility model discloses an ice cream machine with controllable production capacity, and relates to the technical field of ice cream machines, the ice cream machine comprises an ice cream machine main body and a hopper assembly located in the ice cream machine main body, the hopper assembly is internally provided with a discharging mechanism, the discharging mechanism comprises a rotating shaft, and the rotating shaft is rotatably arranged in the hopper assembly; the driving assembly is arranged at the top of the hopper assembly, and the driving assembly is used for driving the rotating shaft to rotate; the discharging screw rod is fixedly connected to the end face of the rotating shaft; and the scraping plate is arranged on one side of the inner wall face of the hopper assembly, an extrusion elastic assembly is arranged between the scraping plate and the rotating shaft, and an adjusting assembly is arranged at the top of the extrusion elastic assembly and used for adjusting the extrusion elastic assembly. Through the arrangement of the discharging mechanism, the discharging amount can be controlled conveniently through the cooperation of the driving assembly and the discharging screw rod, and meanwhile the interior of the hopper assembly is cleaned through the cooperation of the adjusting assembly, the extrusion elastic assembly and the scraper blade.

The utility model discloses a Mariotte bottle capable of adjusting water supply pressure by lifting a breather pipe, which aims at overcoming the defects that the traditional Mariotte bottle is only provided with one water outlet, and the water level in the breather pipe is inconvenient to adjust when water is added into the bottle, and is additionally provided with a water outlet, and the water outlet can be kept connected with a water supply pipe when water needs to be added. And the water level in the breather pipe is adjusted through the water outlet, so that the operation steps during water adding are avoided from being tedious. In addition, external threads are machined on the outer surface of the breather pipe in the Markov bottle, a sleeve with a threaded hole is arranged on the vent hole, and the threads in the sleeve are matched with the external threads on the breather pipe, so that the position of the breather pipe in the Markov bottle can be adjusted by rotating the breather pipe. The pressure of the Mariotte bottle during water supply is adjustable, and the use flexibility of the Mariotte bottle is improved.

The utility model relates to cable processing technical field, and disclose a kind of electric wire stripping machine, including cabinet, and the lateral wall of cabinet is respectively fixed with inlet and collection box, and the inside of cabinet is fixedly provided with controller, and the inside of cabinet is respectively provided with top mechanism one and clamping mechanism, and top mechanism one is provided with top mechanism two, and electric push rod is fixedly installed on top mechanism two, and stripping assembly is also provided on top mechanism two, and the output end of electric push rod is fixedly connected with stripping assembly, and stripping assembly is provided with center ejector pin, the utility model realizes the automation clamping and loosening of cable, and high-precision cutting is also realized, not only stripping efficiency is high, and precision is higher.

This utility model discloses an easily adjustable microbial self-healing concrete testing device, relating to the field of microbial concrete testing devices, specifically an easily adjustable microbial self-healing concrete testing device, including a base, a collection tank fixedly installed at the top of the base, a graduated cylinder fixedly installed at the bottom of the collection tank, the graduated cylinder communicating with the collection tank, a fixing frame fixedly installed at the top of the base, an adjustable pressure pump that can adjust the output power, effectively changing the water pressure and flow rate, thereby making the experimental data more accurate and diverse, a temperature controller is provided, which can be adjusted to different temperatures according to the materials selected in the experiment, observing the repair effect of the repair material at different temperatures, improving the reliability of the data, and a toothed plate and other structures are provided, which, after repeated slow pressurization, can make the cracks of the sample meet the specified range to the greatest extent, thereby facilitating subsequent experiments, reducing the sample discard rate, and reducing experimental costs.

This application relates to the field of pipe fitting inspection technology, and in particular to an automated visual inspection device for pipe fitting production lines. The device includes a frame with a base plate on one side. A sliding plate is slidably mounted on the base plate, and a clamping component is mounted on the sliding plate on one side. Multiple evenly distributed uprights are arranged on the frame, with one upright on one side mounted on the sliding plate. Clamping components are mounted on each of the uprights. Each clamping component includes a support plate mounted on an upright, with a V-shaped groove on the support plate. A connecting frame, L-shaped in shape, is mounted on one side of the support plate, and a guide rod passes through the connecting frame. The guide rod is located on a pressure plate directly above the support plate. The device uses a downward-pressing cylinder to push the pressure plate downward, forming an annular clamping space between the V-shaped pressure groove and the V-shaped support groove. The self-centering effect of the V-shaped surface ensures the position of the pipe fitting axis. The coordinated force from multiple clamping points evenly distributes the weight of the pipe fitting to each support point, effectively suppressing bending deformation of long pipe fittings.

The utility model discloses a pull arm top-mounted falling buffer mechanism which is gentle in falling, and comprises an auxiliary frame, a lifting oil cylinder is rotatably arranged in one end of the auxiliary frame, a pull arm is rotatably arranged in the middle of the auxiliary frame, a connecting rotating rod is fixedly mounted in the middle of the bottom of the auxiliary frame, and the connecting rotating rod is fixedly connected with the lifting oil cylinder. The connecting rotating rod is rotationally connected with a buffering assembly located in the auxiliary frame, the top of the buffering assembly is rotationally connected with a connecting pin rod, the two ends of the connecting pin rod are rotationally connected with fixing rings, the fixing rings and one end of a cylinder barrel of a lifting oil cylinder are fixedly installed, and the movable end of the lifting oil cylinder is rotationally connected with the two sides of a pull arm. The buffering assembly comprises an upper connecting frame rotationally connected with the connecting pin rod. The oil pressure in the hydraulic cylinder can be changed by manually rotating the knob, then the damping force of the buffer assembly is controlled, and the stretching damping and the compression damping of the telescopic rod can be adjusted respectively.

The utility model relates to mouse technical field, and disclose a kind of scroll wheel damping adjustable mouse, the problem proposed in background art is solved, it includes mouse shell, control button and the scroll wheel assembly of rotation connection in shell, the scroll wheel assembly includes scroll wheel, shaft and with the damping adjusting mechanism cooperation of shaft, the control button is set in the mouse shell, the control button is connected with the damping adjusting mechanism, the utility model, with the effect that user can according to own habit and demand, mouse is adjusted to the most comfortable state, and scroll wheel state can be adjusted instantly, adapt to current operating requirement.

The invention belongs to the technical field of wind power generation equipment, and particularly relates to an electro-hydraulic brake device of a yaw system of a large wind turbine. The invention provides an electro-hydraulic brake device for a yaw system of a large-scale wind turbine, and aims to solve the problem that a brake device applied to a yaw system of a wind driven generator in the prior art is complex in structure and not easy to maintain. An electro-hydraulic brake device of a yaw system of a large wind turbine comprises an electromagnetic valve component and a brake disc body component, the brake disc body component comprises a brake disc body, an oil cavity is formed in the brake disc body, a piston is connected in the oil cavity in a sliding mode, a brake pad is installed on the piston through a rod piece, and the brake pad is located outside the oil cavity; the scheme that the hydraulic oil pressure is increased through electromagnetic valve driving, and then the hydraulic pressure drives the brake device to be started is adopted, namely, the electro-hydraulic joint control scheme. The problems of system complexity and response delay of a hydraulic system can be solved, enough driving force can be provided, and a normally-closed brake system can be rapidly started.

This utility model discloses an outboard motor boom structure, comprising: a steering sleeve fitted onto the outboard motor; a clamping plate located outside the steering sleeve for clamping with the hull; a fastening ring rotatably disposed outside the steering sleeve to allow the steering sleeve to rotate; and a pitch section disposed between the fastening ring and the clamping plate for adjusting the angle between the steering sleeve and the clamping plate. The pitch section includes a fixed disc mounted to the fastening ring, the fixed disc being covered by a clamping member, an adjusting plate being provided on the outside of the clamping member, and an adjusting component between the adjusting plate and the clamping member. Compared with the prior art, the advantage of this utility model is that when the pitch angle needs to be adjusted, rotating the fixed disc forces the ball to exit from one disc hole and fall into the next adjacent disc hole. This process produces a noticeable shifting sensation, allowing the operator to accurately perceive and locate the specific pitch angle.

The utility model relates to massaging equipment technical field, concretely is an eye massage instrument, through setting up mist reflection part in one side of atomization channel, can produce atomization gas when the atomization generator normal operation, atomization gas passes through the air outlet and atomization inlet gas and enters atomization channel and moves along atomization channel extension direction, under the guidance of atomization channel, atomization gas moves to mist reflection part, mist reflection part can block the advancing direction of atomization gas and change the moving track of atomization gas, under the action of mist reflection part, atomization gas moves to mist air outlet 31, thereby acts on user eye area, mist reflection part can reflect atomization gas to change the moving speed and spray pressure of atomization gas, effectively solved the existing eye massage instrument spouted water mist direct impact user eye area, not only has not realized soft comfortable moistening effect, still easily caused user eye's discomfort, the problem of influence user experience feeling.

The utility model belongs to cigarette equipment technical field discloses a ROFA conveying trolley track cleaning device and ROFA conveying trolley. ROFA conveying trolley includes ROFA conveying trolley body and ROFA conveying trolley track cleaning device. ROFA conveying trolley track cleaning device includes first connecting plate, second connecting plate, tow rope, brush and counterweight. First connecting plate is connected in ROFA conveying trolley body. Brush is connected in second connecting plate, and counterweight position is adjustably connected in second connecting plate, and the position of counterweight is adjusted, and the pressure of brush to track can be changed. Second connecting plate is rotatably connected in first connecting plate, and under the action of gravity, first connecting plate rotates downwardly due to the action of counterweight, makes brush contact with track, thereby can clean track. The length of tow rope is adjusted to limit the angle of second connecting plate relative to first connecting plate rotation.

The invention discloses a polishing device for ship deck maintenance, and belongs to the technical field of ship maintenance, the polishing device comprises a moving frame, a connecting frame is mounted on the lower side of the moving frame, a polishing assembly is mounted on the lower side of the connecting frame, a sliding groove is formed in the lower end of the connecting frame, an adjusting assembly is mounted in the sliding groove, and the adjusting assembly comprises a reciprocating threaded rod rotationally mounted in the sliding groove; the adjusting assembly further comprises a driving block slidably installed in the sliding groove, a guide block is rotatably installed on the inner wall of the driving block, a plurality of movable grooves are formed in the upper end of the inner wall of the sliding groove, and limiting assemblies are installed in the movable grooves and used for limiting the moving distance of the driving block. According to the ship plate polishing device, the position of the polishing wheel can be automatically adjusted in the polishing process through the arranged adjusting assembly, the conditions of bluing, heating and deformation of a polishing point caused by rapid heat accumulation due to continuous polishing of the same position are avoided, and the quality of a ship plate in the polishing process is effectively guaranteed.

The invention relates to the technical field of energy recovery, and discloses an energy recovery device, an energy recovery system, a hydraulic system and engineering machine.The energy recovery device comprises a shell, an energy recovery liquid channel, a liquid inlet and a liquid outlet are formed in the shell, and the liquid inlet and the liquid outlet are both communicated with the energy recovery liquid channel; the rotating shaft is rotatably mounted on the shell; the fins are connected with the rotating shaft and located on the upstream of the liquid outlet, and the fins drive the rotating shaft to rotate around the axis of the rotating shaft under pushing of liquid flowing into the energy recovery liquid channel; the energy conversion unit comprises a conductor, a magnetic field piece and an output piece, the magnetic field piece is provided with a magnetic field, one of the conductor and the magnetic field piece is installed on the shell, the other one sleeves the rotating shaft, the output piece is connected with the conductor, the rotating shaft drives the conductor and the magnetic field piece to rotate relatively so that the conductor can cut the magnetic field to generate electricity, and the output piece is used for outputting electric energy. According to the energy recovery device, kinetic energy of hydraulic oil can be recycled, and the energy utilization rate is increased.

The utility model belongs to the technical field of electromagnetic wire processing, especially a line body pressing mechanism for four-group electromagnetic wire wrapping machine, including pressing subassembly and frame body, and pressing subassembly includes the setting roller that sets along electromagnetic wire conveying direction, electrothermal roller and press roll, and electrothermal roller and press roll are installed on the setting roller through fastener, and the setting roller rotatoryly connects on the pivot of setting frame one end, and press roll is tightly combined on the sleeve of electrothermal roller, and is provided with the line groove of matching electromagnetic wire on press roll. The utility model, through adjusting the screw cap compression or relaxation supporting spring, further changes the pressure of press roll to electrothermal roller, line body, adapts to the pressing demand of different specifications electromagnetic wire, need not to change pressing subassembly, reduces equipment cost and change time, simultaneously, when the line groove and electromagnetic wire are not matched on press roll, can dismantle fast dismounting replacement of fastener to press roll, it is simple and convenient to operate, and convenient to use.