142results about How to "Ease of exertion" patented technology

A sawing machine includes a base, a saw arm assembly pivotally connected to the base and having a L-shaped groove defined therein, a saw blade pivotally mounted to the saw arm assembly, a handle pivotally mounted to the L-shaped groove of the saw arm assembly for rotatable movement relative to the saw arm assembly, and a locking mechanism mounted to the handle for locking the handle to the saw arm assembly. Before operation, the handle is adjusted to the best angle that the user can conveniently apply the force, so that the user can operate the sawing machine easily and conveniently.

The invention provides a spinal correction bed. The spinal correction bed comprises an underframe, a double-four-connecting-rod mechanism, a first electric push rod, a lifting beam, and a head bearing device, an upper limb bearing device and a lower limb bearing device which are movably arranged on the lifting beam, wherein one end of the double-four-connecting-rod mechanism is hinged to the underframe, and the other end of the double-four-connecting-rod mechanism is hinged to the bottom of the lifting beam; one end of the first electric push rod is hinged to the underframe, and the other end of the first electric push rod is hinged to the bottom of the double-four-connecting-rod mechanism; an adjusting rod is hinged to the bottom of the head bearing device, and the other end of the adjusting rod is hinged to the front end of the lifting beam; the back end of the bottom of the head bearing device is hinged to the front end of the upper limb bearing device; the upper limb bearing device is fixed on the lifting beam, and the back end of the upper limb bearing device is movably connected with the lower limb bearing device through a ball hinge lug. The spinal correction bed has the advantages of a reasonable structure and a good therapeutic effect.

The invention discloses a needle-free injector, which consists of a gun body, a hammer assembly, a circulation drag assembly, a trigger assembly and a terminal injection assembly. The gun body is composed of a gun frame and a barrel, and is used to provide supporting and operating space for other components. The hammer assembly is composed of a hammer body, an elastic rope and a pressing-type alarm device, which provides impact force for the terminal injection assembly through the axial movement of the hammer body in the barrel. The circulating drag component is positioned in the driving chamber to drive the hammer assembly to reach the chamber and to control the trigger of the hammer body. The trigger assembly is used for driving the circulation drag component to operate; the terminal injection assembly is constituted by a cartridge, a piston and a push rod, and is powered by the hammer assembly to realize the needle-free injection. Advantages: the needle-free injector has scientific and reasonable structure, convenient to hold, easy to operate, and it can achieve multiple successive injections of large-dose medicine, thus expands the application range of needle-free injector in clinical injection field. It is convenient to apply, with high utilization rate and low production cost.

The invention belongs to a component of a boat or a ship, and particularly relates to a paddle for a boat or a ship. The paddle is characterized in that the included angle of a paddle rod and a paddle back is 3-20 degrees; the contacting surface of a handle of the top part of the paddle rod and the palm surface is processed into an arc-shaped surface coincided with the palm surface; a paddle neck of the paddle rod is processed into an oval cross section; and the contact surface of the handle and fingers or the smooth surface is provided with a finger groove. The paddle has the advantages that: 1. when a paddle blade is in water, the upper part of the paddle blade can set a supporting point fast in water; 2. when in paddling, the angle of the paddle and the force of the arm are effectively combined in the process of paddling period, and an optimum force-applying angle can be formed; when being out of water, since the angle of the paddle is beneficial to lift the paddle, the forward resistance of the boat can be reduced; 3. the paddle neck is made into an oval shape, and on the basis of increasing the strength of the paddle rod, the paddle-pushing gesture is changed, thus being beneficial to the transmission linkage by which the muscle applies force on the paddle of the boat; and 4. the change of the handle of the paddle leads the hand feeling to be more comfortable and is more consistent with the physiological characteristics of the hand.

Apparatus and system for controllably removing liquid from tofu with no or minimal cracking or deforming. An interior box contains tofu. Interior box is insertable and removable from exterior box. Interior box includes drain(s) for liquid removed from tofu, and resilient spacers on bottom to create space between bottoms of interior and exterior boxes for containing drained liquid and for cushioning tofu when pressed. A cover releasably attaches to top of nested boxes. Telescoping extender extends through cover into interior box. Extender is attached at one end to inside cover and attached at other end through a spring-loaded cap to a press plate. Extender has interior tier cylinder nested within exterior tier cylinder. Extender progressively telescopes interior cylinder out of exterior cylinder, and then telescopes exterior tier cylinder to extend press plate further into interior box to press tofu to release liquid. Spring-loaded cap on extender cushions pressure on tofu.

The invention discloses a versatile combined rowing and swinging bicycle, which is characterized in that: an inner sleeve at the front end of a beam [1] is inserted and locked with a C-shaped outer sleeve with a seat slide way at the rear end of the beam [1], the top end of the inner sleeve of the beam [1] is connected with a front fork [4] via a shaft, pedal devices [11] are installed at the both ends of the cross beam of the front fork [4], the lower end of the front fork [4] inclines inwards and extends to be connected with the front axles of two wheels, the C-shaped outer sleeve of the beam [1] is inserted and locked with a shaft on the top of a beam column [2], and a slide seat [9] is installed on the slide way of the beam [1] to compose a combined swinging bicycle. The combined swinging bicycle becomes a road snow stick swinging bicycle in case that a double-rod road snow stick with a rubber head is used, becomes a road single-paddle swinging bicycle in case that a double-blade road single paddle with a rubber head is used, and becomes a versatile combined rowing and swinging bicycle in case that a versatile double-rod D-shaped chain disc rowing device is used; and the combined swinging bicycle may become a unique and novel foot-controlled electric swinging bicycle or rowing and swinging bicycle by adding a motor device. The bicycle is easy to detach and combine, as well as is an ideal instrument for the sports events, exercise and rehabilitation of people.

The invention provides a power-assisted vehicle coaxial middle-mounted motor and a power-assisted bicycle, and relates to the technical field of power-assisted bicycles. The power-assisted vehicle coaxial middle-mounted motor comprises a shell, a central shaft core, an output structure, a power-assisted motor, a sun gear, a duplex planetary gear, an inner gear ring and a planet carrier, wherein the central shaft core is arranged in the shell, and the sun gear is connected to the power-assisted motor. The duplex planetary gear comprises a first planetary gear and a second planetary gear which are coaxial and fixed, and the first planetary gear and the second planetary gear are rotatably connected to the planet carrier. The first planetary gear is meshed with the sun gear, the second planetary gear is meshed with the inner gear ring, and the inner gear ring is fixed to the shell. The planet carrier can drive the output structure, and the central shaft core can drive the output structure.A power-assisted motor shaft core, the central shaft core, the sun gear, the planet carrier, the inner gear ring and the output structure are coaxially arranged. The invention further provides the power-assisted bicycle, and the coaxial middle-mounted motor is adopted in the power-assisted bicycle. According to the power-assisted vehicle coaxial middle-mounted motor and the power-assisted bicycle, the volume can be reduced and the power output performance can be increased.

The present invention relates to gynaecology and obstetrics and more specifically discloses a novel gynaecology and obstetrics midwifery device. The novel gynaecology and obstetrics midwifery device comprises intermittent humidification mechanisms, intermediate extension mechanisms, midwifery mechanisms, lifting and lowering mechanisms, side support plates, fixing mechanisms and griping mechanisms. The device pushes bellies of puerperae to conduct midwifery operations, can adjust pushing force and angles and pushing areas, has a lifting and lowering function, can assist spacing adjustment, hasa function of humidifying, and creates a good production environment. The device is also provided with grip handles which are convenient for force exerting of the puerperae during giving birth. The intermittent humidification mechanisms are connected with the intermediate extension mechanisms, the intermediate extension mechanisms are connected with the gripping mechanisms, the intermediate extension mechanisms are connected with the lifting and lowering mechanisms, the lifting and lowering mechanisms are connected with the side support plates, the side support plates are connected with the fixing mechanisms, and the intermediate extension mechanisms are connected with the midwifery mechanisms.

The invention discloses a rotary disc type milking machine capable of precisely positioning cow nipples. The milking machine comprises a chassis, wherein the chassis is movably connected with a turntable, a butt joint block is movably arranged in a mounting groove, and a supporting groove is formed in the butt joint block; a computer and a PLC are fixedly arranged at the upper portion of a spacingplate, a binocular camera and the PLC are electrically connected to the computer, and the PLC is electrically connected with a flexible mechanical arm; the two sides of the flexible mechanical arm are provided with a milking device and a cleaning device respectively. According to the rotary disc type milking machine, the cow nipples can be precisely positioned through the use of the binocular camera, and therefore a milking sleeve cup or a cleaning sleeve cup can be well positioned and limited, so that damage caused by collision with a cow to surrounding equipment is avoided, and correspondingly the functions of drainage, circuits and ventilation of the rotary disc type milking machine are all greatly improved. The practicability is high, and the rotary disc type milking machine is very worthy of popularization.

The invention provides a rehabilitation training device for osteoporosis patients. The rehabilitation training device for the osteoporosis patients comprises a table body and a short table, the top of the table body is provided with a hand exercise mechanism, the hand exercise mechanism comprises an elastic rope, a roller, a handle rod, a sliding groove, a stop lever and a fixed table, the fixed table is fixedly connected to the top of the table body, an elastic rope is fixedly connected to one side of the fixed table, the handle rod is rotatably connected to the interior of the roller, one end of the elastic rope is fixedly connected with the outer side of the handle rod, the sliding groove is formed in the top of the table body, and the outer side of the rolling wheel is slidably connected with the inner wall of the sliding groove; and one side of the table body is fixedly connected with a short table, a leg exercising mechanism is arranged in the short table, and the leg exercising mechanism comprises a sleeve, a connecting rod and a pedal. The rehabilitation training device for the osteoporosis patients has the advantages of being special in pertinence, good in training effect and high in efficiency.

The invention discloses a medical multifunctional spinal rehabilitation physiotherapy device for the neurosurgery department, and relates to the field of the neurosurgery department. According to the medical multifunctional spinal rehabilitation physiotherapy device for the neurosurgery department, one end of a high-elasticity steel plate is movably hinged to the upper surface of a rehabilitation physiotherapy couch, the other end of the high-elasticity steel plate is slidably connected into the rehabilitation physiotherapy couch, a fixing seat is fixedly connected to the lower surface of the rehabilitation physiotherapy couch, and a rotating strip is rotationally connected to the side face of the fixing seat; the massage head is movably clamped to the top end of the rotating strip and slidably connected to the middle of the high-elasticity steel plate. According to the medical multifunctional spinal rehabilitation physiotherapy device for the neurosurgery department, the protruding amplitude of the high-elasticity harbor plate can be adjusted according to the requirements of a patient, so that correction and rehabilitation physiotherapy are conducted on the spinal column of the patient, meanwhile, the patient pulls the two sets of push-pull handles alternately, massage heads roll back and forth along massage grooves, and the spinal column of the patient is effectively massaged.

The invention provides a beverage bottle. The beverage bottle comprises a bottle body and a bottle cap, wherein the upper part and the lower part of the bottle body are each provided with circle grooves sunken towards the central axis of the bottle body, the annular grooves are provided with anti-slipping particles; the bottom of the bottle body is provided with conical grooves sunken towards thecentral axis of the bottle body, the height of the conical grooves is higher than that of the bottle cap, the diameter of the conical grooves is larger than that of the bottle cap, the side wall of the conical grooves is provided with multi-loop clamping thorn groups inclined towards the upper part of the bottle body, and each clamping thorn group comprises a plurality of pointed-end thorns. According to the beverage bottle provided by the application, the bottle cap can be clamped into the conical grooves of the other beverage bottle bottom, the bottle cap is tighter and tighter clamped by the multi-loop clamping thorn groups in the conical grooves in the process of embedding into the bottle bottom; the bottle cap can be screwed off by rotating the bottle body when the bottle cap is clamped, the annular grooves on the bottle body facilitate the force of the human hand, and the anti-slipping particles can increase the frictional resistance, so that the difficulty of screwing the bottlecap is reduced.

The invention discloses a weight-bearing fitness facility and a weight-bearing operation method. The facility comprises a guide vertical frame, a guide transverse frame, a T-shaped frame, a transversesliding frame and a barbell rod. The guide vertical frame is fixedly arranged on the base in a vertical mode. Lifting oil cylinders are fixed to the two sides of the base correspondingly. Electromagnets are fixed at the middle positions of the upper part and the lower part of the guide cross frame; square sleeves are arranged on the two sides of the electromagnet. The T-shaped frame is inserted into the square sleeve and matched with the electromagnet, a transverse groove is formed in the guide transverse frame, the transverse sliding frame is in sliding fit with the transverse groove, the electromagnet is electrically connected with the handheld sleeve through a wire, the handheld sleeve is arranged on the barbell rod in a sleeving mode, and a switch is arranged on the handheld sleeve. The weight-bearing fitness facility is easy to operate, flexible to adjust, capable of meeting training of leg strength and waist strength actions, capable of being used independently without accompanying of other people when athletes act, high in operation safety and worthy of application and popularization, and the situation that the athletes get rid of strength and are injured is avoided.

The invention relates to a locking and buckling mechanism for an air filter. The locking and buckling mechanism is used for connecting a bottom cover and a shell of the air filter; the buckling mechanism comprises a wrench, an installation support and a buckle, wherein the installation support is fixed on the bottom cover, the wrench is installed on the installation support, one end of the buckle is connected with the wrench, and the other end of the buckle is connected with the shell; when the wrench is pressed, the buckle is driven to enable the bottom cover and the shell to be locked. Compared with the prior art, the locking and buckling mechanism for the air filter has the advantages of being high in safety, convenient to install and easy to operate and the like.

The invention relates to a stock table tennis racket, in particular to a stock table tennis racket suitable for a 'pen-held racket backside hit' sportsman to use. A stock which looks like a pistol grip and is in an irregular shape is approximately perpendicular to the racket face and is located in the center of the outer side of the backhand rubber face of the racket. The racket face and the stock are in an L shape when being looked from the side face. The stock presents an irregular human engineering shape based on the acting mode of the fingers and the palm to the racket. The stock is divided into a clamping area, a step-shaped holding area and a palm face contact area. The stock table tennis racket has the advantages that the features of the waist is flexible when conducting pen-hold gripping, power generation is convenient, gripping of backside-hit fingers is tight, and the backhand hitting area is large are combined, so that the sportsman can take advantage of the technical superiority of the pen-hold gripping mode and the backside hitting mode; the shape-irregular stock enables each finger and all positions in the palm face form a more reasonable contact face and the power-generation direction with the racket, the control over the racket is enhanced greatly, and the speed, rotation and stability of ball kitting are improved.

The invention discloses a flipping training device used for sports and dancing, and relates to the technical field of fitness equipment. The device comprises a waist fixing band, bases, a display device, a lap counting probe, shoulder fixing bands, a backboard, a rotating shaft, bearing bases, vertical columns, lower fixing bases, fixing grooves, motion capture cameras, a processor, a display screen, operation buttons, shroud rings, a rubber cushion and transverse rods, wherein the vertical columns are arranged above the bases, the lower fixing bases are arranged at the lower ends of the vertical columns, the fixing grooves are formed in the side walls of the lower fixing bases, the motion capture cameras are arranged in the fixing grooves, the transverse rods are arranged on the inner side surfaces of the tops of the vertical columns, the bearing bases are arranged at the lower ends of the middle parts of the transverse rods, the rotating shaft is arranged in the bearing bases, the shroud rings are arranged on the middle part of the rotating shaft, the backboard is arranged on the front surfaces of the shroud rings, and the rubber cushion is arranged on the front surface of the backboard. By means of the device, it is convenient for a user to exert force, and the muscle conditions during force exerting can be shot, so that it is convenient for the user to analyze personal movements, and thus the exercise effect is improved.

The invention discloses a minimally invasive universal apex lifter, which includes a handle, a connecting rod, and a lifter blade. There is a mounting hole, the rear end of the lifting blade is penetrated in the mounting hole, the top of the handle is provided with a connecting rod, the lifting seat is threadedly connected with the connecting rod, and the top of the connecting rod is tightly pressed against the rear of the lifting blade. end. By adopting the above-mentioned technical scheme, the universal rotation of the lifting edge can be realized, so as to realize the change of the direction of the lifting edge, and it is easy to use and labor-saving to lift and remove the residual root tip of the tooth.

The invention provides a polishing device and method for a groove bottom. The polishing device for a groove bottom comprises: a cleaning head and a polishing sheet which is installed on the cleaning head and whose width is less than that of the groove. When the device is being used, the cleaning head is placed in the groove and the polishing sheet is in touch with the bottom of the groove. During the process of groove bottom polishing, because the width of the polishing sheet is less than that of the groove bottom, the problem of the groove being broadened due to partial damage to a groove sidewall caused by attrition between the polishing sheet and the groove sidewall is avoided and then the incidence that different parts of the groove have different widths is reduced; the difference of surface roughness of different parts of sealing strips caused by the sealing strips being inserted in the groove having partial width difference is reduced; thus the shedding probability of partial sealing strips is reduced.

The present invention discloses an obstetric clinical assisted eutocia device and relates to the field of obstetrics and gynecology. The obstetric clinical assisted eutocia device comprises a bottom plate, four sets of supporting rods are fixedly connected to a top part of the bottom plate, a seat plate is fixedly connected to top parts of the supporting rods, a backrest main body is rotatably connected to a right side of the seat plate, a headrest is slidably connected to the backrest main body, a position adjusting mechanism corresponding to the headrest is arranged at a bottom part of the backrest main body, a lifting mechanism is arranged at the bottom part of the backrest main body, a foot supporting mechanism is arranged on a left side of the seat plate, the position adjusting mechanism comprises a sliding piece, the sliding piece is fixedly connected to a bottom of the headrest, and a limiting block is fixedly connected to a bottom part of the sliding piece. The obstetric clinical assisted eutocia device increases an operation space of medical staff and can facilitate operations of the medical staff, guardrail plates are arranged to protect a puerpera, handles can enable thepuerpera to grasp and exert force and a tension feeling is reduced.

The invention provides a multifunctional foldable bodybuilding board. The multifunctional foldable bodybuilding board comprises a main board and two expansion boards, wherein the main board is provided with support blocks, a tool board, a cup groove, a sundries groove, a foot board, a rotary rod, a hook groove, a hook, foot rings, a rotary shaft, a clamp rod, elastic ropes, sleeving rings, a T-shaped elastic rope and hand rings; the main board is divided into two parts which are hinged together; each expansion board is provided with a slide groove, a push plate, an antiskid pad and wheels; the two expansion boards are respectively hinged to the front and rear sides of the left end of the main board; the main board can be folded during storage; the support blocks are used for supporting the main board; a cup can be stably placed on the tool plate through the cup groove, and an exerciser can conveniently drink water; the sundries groove is used for placing small objects carried by the exerciser; when an exerciser does sit-ups, the foot board is rotated to a vertical position, and the exerciser can conveniently put the feet onto the foot board; the rotary rod can rotate vertically; each push plate can slide conveniently by the wheels.