63results about How to "Play a role in helping" patented technology

The invention provides a lower limb assisting and training device which comprises a thigh moving mechanism and a calf moving mechanism, wherein the thigh moving mechanism is a two-degree-of-freedom spatial moving mechanism; a thigh support and a fixing part are arranged on the thigh moving mechanism; a calf support and a fixing part are arranged on the calf moving mechanism. The lower limb assisting and training device is simple in structure, and can be conveniently mounted to another rehabilitation and fitness training instrument, a chair, a massage chair and a wheelchair. The lower limb assisting and training device is wide in application range, and can be used for realizing rehabilitation training and exercising of a lower limb in a three-dimensional space. The lower limb assisting and training device is also a power assisting device, and can drive a leg to move and play the role of power assisting. The lower limb assisting and training device has various rehabilitation training modes; during use, two sets of the lower limb assisting and training devices are symmetrically arranged beside the left leg and the right leg of a patient, and synchronous/asynchronous training can be realized.

The invention provides a boosting exoskeleton and relates to the field of motorized tools. The boosting exoskeleton comprises an upper limb boosting mechanism and upper limb flexible bands. The upper limb boosting mechanism comprises a power supply, a first motor and a first driving device. One end of each upper limb flexible band is connected with the first driving device. The first motor is driven by the power supply to drive the end, connected with the upper limb flexible bands, of the first driving device to rotate to tighten up the upper limb flexible bands. During use of the boosting exoskeleton, the upper limb boosting mechanism is worn to the back of the human body, the other end of each upper limb flexible band is connected to the wrist of a user, and the upper limb flexible bands are tightened up to lift the wrists of the user. Compared with existing exoskeletons with joint structures, the boosting exoskeleton has the advantages of simpler technology and production process and higher civil value.

The present invention discloses a lifting device of a blood collection chair, comprising a chassis arranged at the ground, a top rack which is connected with the seat of the blood collection chair and a lifting mechanism which drives the top rack to lift towards the chassis. The lifting mechanism comprises a low voltage electric handspike and an air spring. The axial lead of the low voltage electric handspike and the axial lead of the air spring are parallelly arranged at the level direction. The low voltage electric handspike has the characteristics of safe use, low noise, good using environment and little interference to the outside. The air spring is always under the compressed state. When the low voltage electric handspike is extended outwards, the air spring takes power-assisted effect towards the low voltage electric handspike; when the low voltage electric handspike retracts inwards, the air spring can eliminate the gap among each component inside the low voltage electric handspike, which ensures that the descending process of the top rack is more stable.

The invention discloses a water bath shaker with an adjustable oscillation stroke, and the water bath shaker comprises a controller, a motor, a casing, a bed body, an upper cover, an optical shaft, aheating device, a water tank, a stroke adjusting device and a connecting member. The upper cover is connected to the casing by a hinge; the optical shaft is fixed in the casing; the two sides of the bed body are slidably connected to the optical shaft by a pulley; the bed body has a spring clip; the water tank, the motor and the controller are mounted inside the casing; the heating device is installed at the bottom of the water tank; the stroke adjusting device is connected to the motor; one end of the connecting member is connected to the stroke adjusting device, and the other end of the connecting member is connected to the bed body. Through the stroke adjusting device, the oscillation stroke of the bed can be adjusted, according to experimental requirements, an appropriate vibration amplitude can be selected to prevent water from being splashed into a sample due to excessive vibration amplitudes to affect experimental results, and the accuracy of experimental results can be ensured.

The invention relates to the technical field of chain detectors, and discloses an efficient roller cutter chain stopper, comprises two catch bases, A link rod is fixedly connecte between that two pawlchain bases, A rotary shaft is rotatably connected with the two detent chain bases through balls, The right end of the rotating shaft is fixedly connected with a finite head, the two side opposite tothe chain stopper base are both threadably connected with a fixing plate through two bolts, the left side of the rotating shaft is drivingly connected with a shaft rod through a drive belt, the rightside of the shaft rod is fixedly connected with a fixing rotating plate, and the fixing rotating plate is rotatably connected with the inside of the first rotating seat. An efficient roller cutter chain stopper The anchor chain is firmly fixed by a cutter and an anchor chain wheel, the shaking of the anchor chain is prevented, and the braking effect is improved; the anchor chain of different sizes is further clamped and fixed by a clamping block, the braking effect of the anchor chain is improved more effectively, and the chain stopping effect of the roller cutter chain stopper is enhanced.

The invention relates to an onboard chassis with a line-free design structure, which comprises an electronic chassis, an IO connector assembly and a connector plug-in, wherein a plug-in motherboard, aplurality of electronic plug-ins and a plurality of electronic devices are mounted in the electronic chassis; a plurality of the electronic plug-ins are connected on the front side of the plug-in motherboard; a plurality of electronic devices are connected on the rear side of the plug-in motherboard; the IO connector assembly is mounted at one end of the electronic chassis; a slot position is reserved at one end of the electronic chassis close to the IO connector assembly; both the plug-in motherboard and the IO connector assembly communicate with the slot position; the connector plug-in is plugged at the slot position and is respectively connected with the IO connector assembly and the plug-in motherboard to achieve signal transfer. According to the onboard chassis with a line-free design structure in the invention, the connector plug-in is arranged, so that signal transfer between the plug-in motherboard and the IO connector assembly is realized, and the problem of internal wiring and maintenance of the high-density integrated onboard chassis can be effectively solved.

The invention belongs to the field of agriculture, and particularly relates to a damping base for an agricultural machinery. Aiming at the problems that the height of the base for the existing agricultural machinery is difficult to adjust, the automation degree is low, the stability is poor and the shock absorption effect is poor, the following scheme is now presented, the damping base comprises asupporting shell, a driving motor is fixedly installed at the left end of the supporting shell, an output shaft of the driving motor is connected with a driving shaft, the right end of the driving shaft penetrates through the supporting shell, and is rotationally connected with the inner right wall surface of the supporting shell, a first eccentric gear and two second eccentric wheels are fixedlyarranged on the driving shaft in a sleeving mode, the first eccentric gear is located in the right intermediate position of the two second eccentric wheels, the protruding part at the upper end of the first eccentric gear is meshed with the protruding part of the lower end of a second eccentric gear, the second eccentric gear is fixedly sleeved on a mounting shaft, and two first eccentric wheelsare fixedly sleeved on the mounting shaft. The device is convenient to adjust, good in stability, high in structural strength, convenient to operate and good in damping effect.

The invention relates to the field of medical equipment and especially relates to a disposable anti-pollution and anti-leakage syringe, and the syringe comprises a needle cylinder, a piston matching with the needle cylinder, and a push rod connected with the piston, wherein the syringe further comprises a sealing sleeve which is sleeved on the push rod, one end of the sealing sleeve is in closed connection with that of the needle cylinder opening, and the other end of the sealing sleeve is in closed connection with the piston or the push rod. In comparison with the traditional syringe, the syringe can effectively avoid germs from outside air or hands of medical personnel to enter inside solution so as to further prevent from bacterial infection and cross infection.

The invention discloses a high-superposition magnetic core material. The high-superposition magnetic core material is prepared from, by weight, 60-65 parts of hydroxyl iron powder, 10-15 parts of iron sesquioxide, 25-27 parts of manganese oxide, 21-23 parts of zinc oxide, 4-5 parts of silane coupling agent kh570, 5-7 parts of organic silicon resin, 1-2 parts of polyving akohol, 7-9 parts of sodium silicate, 0.4-0.5 part of neodymium oxide, 1-1.3 parts of glass powder, 0.4-0.7 part of lithium chloride and a proper amount of water. The prepared magnetic core material has the functions of very good superposition performance, high stability, the low loss and other aspects, the preparing technology is simple, material sources are wide, cost is low, and good applicability is achieved.

The invention discloses a weft yarn cutting mechanism of a warp knitting machine. The weft yarn cutting mechanism comprises a weft yarn cutting box, four connecting posts, an anti-slip bottom foot, afeeding pipe, a control panel, a control box, a display screen and an indicating lamp, wherein the four connecting posts are arranged at the lower surface of the weft yarn cutting box. The weft yarn cutting mechanism of the warp knitting machine has the advantages that the weft yarn cutting box consists of a collecting device, an assistance cutting mechanism, a tension regulating device, a coolingdevice, a starting device, a rotating mechanism and a traction device; the weft yarns can be effectively and flatly dragged and pulled into a conveying guide rail for cutting during the weft yarn guiding; the effect of improving the weft yarn quality is achieved; meanwhile, before the weft yarn cutting, the weft yarn can be abutted to the set cutting position; the tension requirement of the weftyarn can be met; the cutting treatment can be performed, so that the weft yarns maintain certain tension; the winding generated by the weft yarns in the fast yarn conveying an cutting process due to looseness can be prevented.

The invention provides an anti-collision automobile door pull handle, mainly comprising a pull handle and fixed screws. The two sides of the automobile tail are provided with a warning lamp; the outerpull handles of the automobile door are respectively made of transparent polymeric materials and are internally provided with an LED three-dimensional warning group lamp and are connected with automatic latches in a triggering manner; the automatic latches are connected with the warning lamp arranged at the same side of the automobile tail; when a person enters into the automobile and closes theautomobile door, the automatic latches can be triggered to lock the automobile door automatically; when the automobile door needs to be opened from inside, the automobile latches need to be opened byhand firstly; and when the automatic latches are triggered, the LED three-dimensional warning group lamp can flicker for prompting and simultaneously the warning lamp arranged at the same side of theautomobile tail also can turn on the automobile lamp for prompting. The anti-collision automobile door handle has the beneficial effects of combining the functions of the pull handle and the automobile lock, and being capable of carrying out prompting by the warning lamps while the door is opened, thus greatly improving safety and reducing unnecessary accidents.

The invention discloses a loaded walking assisting device. The loaded walking assisting device is characterized in that arc-shaped plates are plates of which the front surfaces are concave and the back surfaces are convex; two arc-shaped plates are connected through a pushing bag; an oil through hole in the pushing bag is connected with an oil passage hole in a power bag through a hydraulic pipe; two sides of the arc-shaped plates are fixedly provided with bundling belts; the two arc-shaped plates, one power bag and one pushing bag are combined into a group. According to the loaded walking assisting device disclosed by the invention, the structure is simple and reasonable, and both the manufacturing and the using are very convenient; the strength used by a user during running and walking is small, the stress on knee joints during loaded walking and loaded running is reduced, the load bearing capacity is increased, the speed is increased, and the user cannot feel tired as less physical power is consumed; the loaded walking assisting device is suitable for increasing the walking speed and the load bearing capacity of army officers and soldiers and is also suitable for loaded running and loaded walking as well as running and walking.

The invention discloses an anti-blocking round hopper scale. The anti-blocking round hopper scale comprises a weighing cabin, a discharge hopper and a feeding hopper. The top of the weighing cabin isfixedly connected to the feeding hopper, the bottom of the weighing cabin is fixedly connected to the top of the discharge hopper, one side of the feeding hopper is fixedly connected to a connecting rod, one side of the connecting rod is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a rotary shaft, a disc and a driving cone-shaped gear are separatelyconnected to the outer surface of the rotary shaft in a sleeving mode, one side face of the disc is fixedly connected to a trapezoidal block, and a driven cone-shaped gear is engaged to the outer surface of the driving cone-shaped gear. By arranging a first motor, the rotary shaft, the driving cone-shaped gear, a fixed bar, a vertical rod, the driven cone-shaped gear, stirring blades, a second motor, a rotary rod, an auger blade, a cushion block and a discharge opening, the problems that the condition of blockage during feeding as a feeding anti-blocking device is not available happens and the anti-blocking round hopper scale is too simple in structure and poor in anti-blocking effect and does not have a very good anti-blocking effect are solved.

The invention discloses a pelvis auxiliary walking training mechanism which comprises a mounting frame, a walking assisting device, a self-pre-tightening seat device and a driving device, and the walking assisting device comprises a movable seat movably mounted on the mounting frame in the up-down direction and two walking assisting push rods mounted on the movable seat in the front-back direction in a swinging mode. The two walking assisting push rods extend in the left-right direction and are arranged in a spaced mode in the left-right direction, the front side faces of the two walking assisting push rods are used for making contact with the thighs of a patient, and the movable seat is movably installed on the installation frame in the up-down direction; the self-pre-tightening seat device comprises a seat structure, the seat structure comprises a back plate and a seat plate movably installed on the back plate in the vertical direction, the back plate is installed on the movable seat in a hinged mode, and the driving device is arranged on the installation frame and used for driving the two walking aid push rods to swing front and back. The mechanism plays a role in providing assistance for walking training of a patient, so that the patient can perform walking training by means of the mechanism in the rehabilitation process, and better rehabilitation experience is brought.

The invention discloses a folding cloth stretching chair, comprising two rotating mechanisms and two armrests. The two rotating mechanisms are connected by two inverted zigzag foot frames arranged symmetrically on the left and right sides, each rotating mechanism includes two rotating members rotatably connected by a first screw assembly, Each rotating member is provided with insertion rods at both ends, the two ends of each leg frame are respectively cooperatively plugged with a plug rod at the lower end of one of the rotating members in one of the rotating mechanisms, A support tube is cooperatively connected with a plug rod at that upper end of each rotating member, the front and rear ends of the armrest mechanism located on the left side are rotatably connected with the upper ends of the two support tubes located on the left side, the front and rear ends of the armrest mechanism located on the right side are rotatably connected with the upper ends of the two support tubes located on the right side, the two support tubes located on the front side are connected by hinges, and the two support tubes located on the rear side are connected by hinges. The chair can improve the stability of the folding chair as a whole, can improve the comfort of people, and can emit a prompt sound when the folding chair is opened in position.