9results about How to "Resistance adjustment" patented technology

The utility model relates to the technical field of check valves, in particular to a buffer type check valve which comprises a check valve structure. The check valve structure comprises a valve body piece, the side face of the valve body piece is connected with a water outlet pipe piece in a penetrating mode, and a water pressure buffering structure is installed at the end, away from the water outlet pipe piece, of the check valve structure. According to the circulating buffering device, a high-pressure water source firstly flows into the circulating buffering drum through the water inlet pipe to apply pressure to a water pressure buffering plate in the circulating buffering drum, so that the water pressure buffering plate is impacted by the water source to drive a buffering rotating rod to rotate in the circulating buffering drum, and the buffering rotating rod drives a flywheel to rotate in a magnetic field of an electromagnet; through the electromagnet and the flywheel based on mutual action between a magnetic field and a conductor, when the flywheel rotates, the conductor in the flywheel cuts the magnetic field, induced current is generated in the conductor according to the Faraday's law of electromagnetic induction, the induced current and the magnetic field interact to generate braking torque, and therefore resistance adjustment is achieved.

The invention belongs to the technical field of clinical medicine, and discloses an adjustable lung function respiratory rehabilitation training device which comprises an outer box, one side of the outer box is fixedly connected with a cylinder, the interior of the cylinder is movably connected with a rotating cylinder and a clamping assembly, and the side, close to the outer box, of the rotating cylinder is fixedly connected with a gear. Through cooperation of a limiting groove, a baffle assembly, a tooth plate, a first inclined block and other structures, the resistance of the respiratory rehabilitation training device can be conveniently adjusted so as to adapt to different patients, the two sides of the first inclined block are both in an inclined plane shape so that the tooth plate can conveniently move up and down, and four first clamping grooves are formed in the tooth plate so that the tooth plate can conveniently move up and down; a triangular plate can be driven to move when a rotating cylinder rotates, so that the cross sectional area of gas circulation is increased, the resistance of gas circulation is reduced, the breathing process of a patient is easier, and the device is suitable for being used by different patients.

This utility model discloses a plastic film winding device, applied in the field of plastic film production. It includes a base plate, a support plate bolted to the top of the base plate, and a fixing plate bolted to the surface of a fixing plate. A tension roller is rotatably sleeved between the inner walls of the fixing plates. This utility model achieves good winding quality and ease of use by using friction between a friction block and a friction disc to generate resistance in the tension roller and tighten the plastic film for winding. The rotating head changes the friction between the friction block and the friction disc, adjusting the winding resistance and improving practicality and applicability. Furthermore, the device facilitates replacement by moving a sliding cylinder to disengage it from the fixing groove, and a locking connector, under the action of a third spring, engages with the locking hole to fix the sliding cylinder. The winding roller is then removed from the fixing groove for replacement, reducing workload and improving replacement efficiency.

The invention discloses a light and portable respiratory function exerciser which comprises a mounting sleeve, a respirator extending to the outside of the mounting sleeve is mounted at the inner bottom of the mounting sleeve, an air inlet is formed in the middle of the inner top of the mounting sleeve, and a sealing piston is placed at the inner top of the mounting sleeve. And the sealing piston is attached to the inner wall of the mounting sleeve. Through the structural design of the mounting sleeve and the components above the mounting sleeve, the later-stage portable function of an operator can be conveniently achieved, the overall structure is small and exquisite, operation is easy and convenient, influences of sites and environments are not likely to happen, meanwhile, through the design of the respirator and assembly of the mounting sleeve, the operator can conveniently detach and replace the respirator in the later stage, and the practicability is high. Meanwhile, when an operator exhales and inhales, a sealing piston is pushed through gas, and then the requirement for continuous operation of the exercise device in the later period can be met, so that the continuity of lung function exercise is achieved.

The utility model relates to the technical field of throttling devices, and particularly discloses a throttling device with a resistance adjusting function, which comprises a pipeline body, a pore plate body is mounted in the pipeline body, a resistance adjusting component is mounted on the right side surface of the pore plate body, and the resistance adjusting component is used for controlling the pore plate body to be opened and closed. The resistance adjusting assembly is used for adjusting the resistance of the flow rate of liquid, the auxiliary assemblies are installed on the upper portion and the lower portion of the resistance adjusting assembly and used for assisting the resistance adjusting assembly in use, and the auxiliary assemblies can make the resistance adjusting assembly more stable when the pore plate body is opened and closed. By arranging the resistance adjusting assembly, the problems that an orifice plate in a current common throttling device is often fixedly installed, so that resistance provided by the orifice plate to liquid or gas is always fixed, the orifice plate needs to be replaced when the resistance of the throttling device needs to be adjusted, and time and labor are wasted are solved.

The utility model relates to the technical field of fitness equipment, and provides a water-magnetic double-resistance rowing machine which comprises a rack, a guide rail, a sliding base, a foot supporting face, a water tank, a connecting shaft, a magnetic assembly and a winding assembly, the guide rail is arranged on the rack, the sliding base is connected to the guide rail in a sliding mode, and the foot supporting face is arranged on the rack and used for allowing feet to abut against; the water tank is arranged on the rack, and rotating paddles are arranged in the water tank; the connecting shaft is rotatably connected to the rack and is coaxially connected with the rotating paddle; the magnetic assembly comprises an aluminum disc, magnets and a mounting frame, the aluminum disc is arranged on the connecting shaft, the mounting frame is arranged on the rack, the magnets are arranged on the mounting frame, the magnets are arranged on the two sides of the aluminum disc, and the aluminum disc is used for cutting magnetic induction lines; the winding assembly comprises a handle, a winding disc and a pullback device. The rowing machine has the effect of enriching the resistance providing modes of the rowing machine.

The invention relates to the technical field of medical treatment, and discloses a respiratory training device capable of monitoring tidal volume for a tracheal intubation patient, the respiratory training device comprises a connecting tube, the bottom of the connecting tube is fixedly connected with a tube body, the bottom of the tube body is fixedly connected with a tap, and the two sides of the tap are fixedly connected with a connector tube and a training tube respectively; branch pipes are fixedly connected to the front portion and the rear portion of the right end of the training pipe respectively, when gas passes through the branch pipes, a gas flow sensor in a humidity detector can sense the gas, a specific numerical value is displayed on a display screen on the front side of the humidity detector through processing of a DSP controller, and on the basis of the humidity value, the real-time monitoring of the real-time monitoring of the real-time monitoring of the real-time monitoring of the real-time monitoring of the real-time monitoring of the real-time monitoring is achieved. When a patient subsequently uses the breathing machine communicated with the connector tube to assist in breathing, medical staff can be helped to set the air inlet amount and the air suction amount of the breathing machine, and meanwhile the medical staff can be helped to judge whether breathing of the patient reaches a normal value or not according to the tidal value so as to judge whether extubation of a lung intubation can be carried out or not.

The utility model discloses an electronic atomizer and an electronic atomization device.A support is sleeved with an atomizer shell, the atomizer shell and the support jointly define a liquid storage bin, an aerosol channel penetrates through the support and the atomizer shell, an atomization core is arranged on the support and located in the aerosol channel, and the atomization core comprises a heating assembly and liquid absorption cotton; the liquid absorbing cotton is arranged at one end, close to the aerosol substrate channel, of the aerosol channel, the heating assembly at least comprises a first electrode plate and a second electrode plate, and the first electrode plate and the second electrode plate are attached to one side, away from the aerosol substrate channel, of the liquid absorbing cotton; the electronic atomizer further comprises a resistance value adjusting assembly, the resistance value adjusting assembly is connected with the first electrode plate and the second electrode plate in a sliding mode, the effective connection total length of the first electrode plate and the second electrode plate is adjusted, the resistance value of the heating assembly is changed, and through the design, the resistance value of the heating assembly can be adjusted; and the controllable degree of the amount of generated aerosol is finer and smoother.

The utility model discloses a damping mechanism of a driving system. The damping mechanism comprises a shell, a rotating shaft, a rotating gasket and a pressure device, one end of the rotating shaft penetrates through the shell and is rotationally matched with the shell; a brake layer is arranged in the shell; the pressure device comprises an end cover and an elastic component; the rotating gasket is arranged between the braking layer of the shell and the end cover, the rotating shaft penetrates through the rotating gasket and rotates synchronously, and the elastic component can bias the end cover and the rotating gasket towards the braking layer of the shell. According to the damping mechanism of the driving system, adjustability and stability of a damping force value are guaranteed, and the damping mechanism is simple in structure and easy to assemble.