13results about How to "Adjustable resistance" patented technology

The invention relates to the technical field of medical instruments, in particular to a rehabilitation nursing device convenient for knee bending training, which comprises a chair body and two knee bending units connected to the front end of the chair body, the knee bending unit comprises a swing arm rotationally connected with the chair body, and a pedal is mounted at the bottom end of the swing arm; wherein a displacement mechanism is arranged at the bottom of the chair body, a telescopic unit is connected between the displacement mechanism and the swing arm, and the two independently-controlled knee bending units are adopted, so that during knee bending training, the requirement for single-leg or double-leg training can be met; meanwhile, the arranged damping assembly can provide certain knee bending damping force in the active training process of the patient, the resistance can be adjusted to meet the training requirements of different patients, in the auxiliary mode, the displacement mechanism directly drives the knee bending unit to rotate, multiple training modes are adopted, and the applicability of the device is greatly improved.

The present invention discloses an electrode flow field plate and an electrolytic water tank. The water flow field plate according to the electrode flow field plate of the embodiment of the present invention comprises a metal plate and a metal plate mesh. The metal plate has a first surface and a second surface opposite to each other in the thickness direction thereof. The metal plate is provided with a water inlet and a water outlet penetrating along the thickness direction of the metal plate. The water inlet and the water outlet are spaced apart and arranged opposite to each other along the length or width direction of the metal plate. The metal plate mesh is arranged on one of the first surface and the second surface of the metal plate. The metal plate mesh has a first end and a second end opposite to each other. The first end of the metal plate mesh is adjacent to the water inlet, and the second end of the metal plate mesh is adjacent to the water outlet. The electrode flow field plate of the embodiment of the present invention has the advantages of simple structure, adjustable overall resistance, small concentration difference between each mesh, and high overall efficiency.

The utility model discloses a stamping mechanism for processing a shell of a temperature controller, which comprises a bottom plate, the bottom plate is arranged on external equipment, a limiting mechanism is arranged on the bottom plate, and the limiting mechanism comprises a follow-up mechanism, a fixing sleeve, a positioning rod, a pressure head, a bearing seat, a push spring, a round head, an extending plate and a fixing mechanism, the follow-up mechanism is connected to the bottom plate and the fixing sleeve in a matched mode, the positioning rod is connected to the fixing sleeve in a sliding mode, the pressing head is installed on the positioning rod, the bearing base is installed on the bottom plate, the pressing head and the bearing base are coaxially arranged, the limiting mechanism can accurately control the force in the punching process, and material damage caused by too large force is prevented. Through the synergistic effect of the positioning rod, the pressing head, the bearing base, the push spring and other components, the limiting mechanism provides adjustable resistance in the punching process.

The utility model discloses rehabilitation training equipment for the neurology department. The rehabilitation training equipment comprises a core shell. A sliding blind hole shell is arranged on an upper plate of the square frame in a sliding manner; the middle of a lower plate of the core shell protrudes upwards to form a containing part, a fixed core nut is fixedly arranged on the upper portion of the containing part, a core screw is arranged on the fixed core nut, an auxiliary movable nut is arranged on a stud part of the core screw, and the auxiliary movable nut is in threaded fit with the stud part of the core screw. The auxiliary movable nut is provided with a spring, and the top of the spring abuts against the lower side of the inner top wall of the sliding type blind hole shell. Personalized training intensity adjustment: the user can freely adjust the compression degree of the spring by adjusting the position of the auxiliary movable nut, so that the force required for pressing the cushion body is changed. The personalized setting ensures that the equipment can adapt to different rehabilitation stages and different individual training requirements, so that the rehabilitation process is more scientific and efficient.

The utility model discloses a quilt rolling machine for quilt cover production, which comprises a quilt rolling machine, a quilt feeding mechanism is arranged on one side of the quilt rolling machine, a quilt rolling mechanism is mounted on the outer surface of the front end of the quilt rolling machine, fixing plates are arranged on the upper side and the lower side of one end of the quilt rolling mechanism, and a quilt pressing plate is fixedly mounted on the lower portion of the outer surface of one side of each fixing plate. And a material pressing structure is arranged at the upper part of the quilt pressing plate. According to the quilt rolling machine for quilt cover production, the arranged material pressing structure drives the arc-shaped pressing plate to descend through operation of the hydraulic rod, the arc-shaped pressing plate presses a plastic bag, resistance between the plastic bag and the arc-shaped pressing plate can be adjusted, use is convenient, the arranged material pressing structure can limit the movable block through the threaded rod, and the movable block is not prone to falling off. And the position of the arc-shaped pressing plate can be adjusted, the position of the arc-shaped pressing plate can be conveniently adjusted according to the length of the packaging bag, and the applicability is improved.

The utility model provides a solar energy, hydrogen energy and wind energy complementary power supply system, which comprises a solar panel group and a wind turbine, the wind turbine is communicated with a pneumatic generator through an air compressor, and the pneumatic generator is connected with a constant-voltage shunt circuit through a rectifier and respectively supplies power to electrolysis equipment and an energy storage battery. The solar panel group is connected with the constant-voltage shunt circuit and supplies power to the water electrolysis equipment and the energy storage battery respectively, an oxygen outlet of the water electrolysis equipment outputs oxygen, and the energy storage battery stores redundant electric energy; a hydrogen outlet of the water electrolysis equipment is connected with the hydrogen compression tank through the dehumidifier, the air compressor is connected with the pneumatic generator through the air compression tank, and the air compression tank and the hydrogen compression tank are communicated with the fuel cell through the electromagnetic valve so as to provide solid hydrogen and oxygen for the fuel cell. According to the device, solar energy, hydrogen energy and wind energy can be complemented, oxygen supply of the fish pond is guaranteed, and meanwhile enough domestic electricity is provided.

The utility model discloses a pin structure of an energy-releasing electronic ceramic resistor, which relates to the technical field of pin structures of ceramic resistors, and comprises a resistor body, a lantern ring I and a lantern ring II, a plurality of clamping grooves are arranged outside the resistor body, a clamping block is arranged on the inner side of the lantern ring I, the clamping block is matched with the clamping grooves, the lantern ring II is fixedly connected with the resistor body, and the lantern ring II is fixedly connected with the resistor body. Connecting pieces are arranged above the first lantern ring and the second lantern ring, a fixing plate is arranged on the top of the first lantern ring, inserting grooves are formed in the fixing plate, the tops of the second lantern ring and one sides of the outer portions of the first lantern ring and the second lantern ring in a penetrating mode, the bottoms of the connecting pieces are inserted into the inserting grooves, a bolt is arranged in the first lantern ring in a penetrating mode, and a nut is arranged at the tail end of the bolt. Two sets of sliding grooves are formed in the front portion of the fixing plate in a penetrating mode, two sets of sliding blocks are arranged on one side of the top of the first lantern ring, and the sliding blocks are matched with the sliding grooves. According to the pin structure of the energy-releasing electronic ceramic resistor disclosed by the utility model, the pin structure is arranged into a sectional type, so that the resistor body is easy to disassemble, and meanwhile, the connecting sheet is also convenient to replace.

An abdominal exerciser includes a base, a vertical tube, a T-shaped handle, a first spring, and a second spring. The base includes a first container groove, a second container groove, and a vertical tube groove in the center of the base. The upper end of the vertical tube is connected to the T-shaped handle, and the lower end of the vertical tube is detachably arranged in the vertical tube groove. The lower ends of the first spring and the second spring are respectively detachably arranged in the first container groove and the second container groove. A user can select one of the first spring or the second spring to be installed in the vertical tube, and the upper end of the selected spring is connected to the T-shaped handle, and the lower end of the selected spring is connected to the vertical tube groove.

The application discloses a kind of power-assisted exoskeleton devices, including: bottom plate, pedestal being arranged on the bottom plate, and seat cushion being fixed at the top of the pedestal;It further includes two groups of exoskeleton support structures arranged in the front side of the pedestal;The front end of each group of the exoskeleton support structure is further provided with pedal structure;It further includes meshing transmission assembly arranged between each group of the pedal structure and exoskeleton support structure.The application is realized by the exoskeleton support structure of two groups arranged, cooperate with the pedal structure arranged in the front end of exoskeleton support structure, to realize the support of patient lower limbs, and improve the power-assisted effect of hip, knee, ankle joint rigid support, and under the action of exoskeleton support structure, cooperate with meshing transmission assembly, further realize the range of motion training of patient lower limb joint, the device component structure is simple, and realizes the activity training of lower limb multi-joint, and the rehabilitation effect is remarkable, and practicality is high.

The application provides a differential signal amplification circuit, which comprises a differential amplifier and a common-mode voltage module. The common-mode voltage module comprises a common-mode voltage detection circuit and a bias circuit, and the common-mode voltage detection circuit and the bias circuit are connected. The differential amplifier has a first signal input end, a second signal input end, a first signal output end and a second signal output end, the first signal input end and the second signal input end are connected with the common-mode voltage detection circuit, and the bias circuit is connected with the differential amplifier. By connecting the differential amplifier with the common-mode voltage module, and by comprising the common-mode voltage detection circuit and the bias circuit, the common-mode voltage range of the input high-speed signal is improved by automatically adjusting the DC working range of the differential amplifier through the common-mode voltage detection of the input signal, wide-range common-mode voltage input is realized, and the cost is low and easy to realize.

A sensor module (1) includes: a diaphragm (2) including a first region (211) and a second region (212) that includes a position at which a strain ε that occurs by an effect of a physical quantity caused by a measurement target fluid is zero and has a smaller effect of the physical quantity caused by the measurement target fluid than the first region (211); strain detecting elements (3) disposed in the first region (211); and an electric conductor (4) that is at least partially disposed in the second region (212) and electrically couples the strain detecting elements (3) to each other to configure a bridge circuit. The electric conductor (4) includes a resistance adjuster (43), at a position corresponding to the second region (212), that adjusts a resistance of the electric conductor (4).

The invention relates to the technical field of rehabilitation robots, and discloses a fracture auxiliary rehabilitation robot which comprises a waist fixing plate and a leg outer skeleton, the leg outer skeleton comprises a first exoskeleton, a second exoskeleton and a joint driving machine, and a first connecting disc is rotatably mounted at the upper end of the first exoskeleton; a first connecting shaft and a fulcrum baffle are fixedly installed on the side face of the first connecting disc, the first connecting shaft is rotationally connected with the waist fixing plate, a second connecting disc is rotationally installed at the bottom end of the first exoskeleton, and a swing arm is fixedly installed on the surface of the second connecting disc. According to the rehabilitation robot, the leg outer skeleton is arranged, the leg outer skeleton has the effect of supporting and protecting the legs of the patient, the joint driving machine has the function of driving the first exoskeleton and the second exoskeleton to cooperatively act, so that the rehabilitation robot can assist the patient in walking exercise through power, and a driving mechanism at the hip joint is omitted in the design; the whole structure is simple and light, and the requirements of different lower limb rehabilitation exercises of the user are met.

This utility model discloses an electromagnetic system for a molded case circuit breaker, including a magnetic yoke, a coil frame fixedly mounted on the magnetic yoke, and a coil sleeved on the outside of the coil frame. One end of the coil is connected to a stationary contact, and the other end of the coil is connected to a conductive element. A through slot is opened in the middle of the coil frame, and a moving iron core is slidably installed inside the through slot. A push rod is fixedly connected to one side of the moving iron core, and a reaction spring is sleeved on the outside of the push rod. A stationary iron core is rotatably installed at one end of the coil frame. A square slot is opened on one side of the stationary iron core, and a square block is slidably installed inside the square slot. A drive ring is integrally formed on one side of the square block. This utility model, through the square block, drive ring, internal thread, external thread, and stationary iron core, allows the resistance applied by the reaction spring to the moving iron core to be adjusted by rotating the stationary iron core, thereby changing the current required to trigger the movement of the moving iron core, so as to adapt to molded case circuit breakers with different rated current specifications.