46results about How to "To achieve labor-saving effect" patented technology

The invention relates to a metal wire clipper. The clipper comprises a base, a cutter seat, a pressing handle and a blade body, wherein the base can be placed on a plane; the cutter seat is fixed on the base, the cutter seat is provided with a first pivot part and second pivot part; the hinge joint end of the pressing handle is pivoted on the second pivot part, the two ends of the blade body separately form an adjusting hole and a blade part; the blade part is pivoted on the first pivot part, and the adjusting hole is pivoted between the two ends of the pressing handle through a pivoting part so that the grab handle is linked with the blade part of the blade body and the cutter seat, the base is steady placed on the plane and the grab handle is easy to press and drive the blade body for cutting.

The invention belongs to the technical field of automobile dismantling, and particularly relates to a quick disassembling machine for nuts for automobile wheel hubs. The quick disassembling machine comprises a base. A driving mechanism is arranged on the upper surface of the base, a gas barrel and a support rod are fixedly connected with the upper surface of the base, a shell is slidably connectedonto a side wall of the gas barrel and is fixedly connected with the base by a lifting mechanism, a side wall of the shell is slidably connected with the gas barrel, a lifting plate which is horizontally arranged is slidably connected into the shell, and a gas bag is fixedly connected with the lower surface of the lifting plate and is communicated with the gas barrel via a gas guide pipe. The quick disassembling machine has the advantages that the nuts for the automobile wheel hubs can be quickly disassembled by the quick disassembling machine in a labor-saving manner; a pedal can be treaded,a piston can be driven by a pull mechanism and a reset mechanism to move in the gas barrel in the up-down directions, gas can be inflated into the gas bag, and accordingly the lifting plate can ascend; a plurality of nut sleeves can be driven by first transmission mechanisms and second transmission mechanisms to rotate, and accordingly the multiple nuts can be simultaneously disassembled; bull gear transmission can be driven by a movable pulley and pinions, and accordingly labor-saving effects can be realized.

The invention provides a bicycle wheel. A locating body, an inner gear ring, a driving gear and the like are added to a hub of a driving wheel of a bicycle, and great difference exists between the driving method of the bicycle and an existing transmission method. According to the existing driving method, a chain only drives a fly wheel and the wheels to rotate to enable the bicycle to advance, after the parts are arranged, except that the chain drives a chain wheel namely the fly wheel and the wheels rotate to enable the bicycle to advance, forward inclining force is produced by the wheels, and a labor-saving effect is achieved.

The invention discloses a large-air-volume inflator. The large-air-volume inflator comprises an outer pipe, a middle pipe and an inner pipe. The front end of the outer pipe is fixedly connected with a front cover in a sealed manner. The front end of the inner pipe is fixedly connected with the front cover in a sealed manner. An air outlet assembly is arranged on the front cover. The rear end of the middle pipe extends out of the rear end of the outer pipe and is fixedly connected with a rear cover in a sealed manner. A first one-way seal piston assembly is fixedly arranged at the front end of the middle pipe. A second one-way seal piston assembly is fixedly arranged at the lower end of the inner pipe. The large-air-volume inflator is characterized in that a first ventilation opening is formed in the side wall of the front end of the middle pipe; a second ventilation opening is formed in the side wall of the front end of the inner pipe; a first one-way air inlet valve which can only introduce air into the inner pipe is arranged in the second one-way seal piston assembly; and a second one-way air inlet valve which can only introduce air into the inner pipe or the air outlet assembly is arranged at the position of the second ventilation opening. The large-air-volume inflator has the beneficial effects that compared with a traditional single-cylinder inflator, the single-time inflation volume of the large-air-volume inflator is large, the number of tire inflation times can be halved, the tire inflation time is greatly saved, the inflation efficiency is improved, and meanwhile the effect of saving labor is achieved.

The invention relates to a multi-tonnage large-scale lifting device with a lever push-pull structure. A vertical lifting limiting sliding part connected with a positioning lifting shaft is slidably arranged on a lifting sliding part fixed on a static supporting seat, and a central point of a hinge shaft connected with a lower rotating supporting seat, a central point of a positioning lifting shaftand a central point of a hinge shaft connected with an upper rotating supporting seat form a vertical lifting structure in a mode that the three points are always formed into one line. In combinationwith vertical lifting limiting, a hinge shaft point of the rotation radii in the forward and reverse directions of a rotating lifting crank and a lever hinge push-pull support point extending downwards are utilized, and transmission parts such as a lever push-pull crank and a forward and reverse rotation crank are connected, so that large-scale lifting is achieved. Compared with the prior art, the device only needs a very small rotation angle to rotate to vertical or rotating folding, and therefore the influence of the bending degree of a lever press-pull lifting crank is very small, and in the swing process of a positioning rotating sliding lever crank, an upper lifting motion crank performs rotating vertical lifting or horizontally-overturned folding lowering accordingly, so as to realize the linkage.

The invention relates to a nursing bed convenient for patient transfer. The nursing bed comprises a bed body and guard bars which are connected onto the bed body through turnover connecting devices, wherein mounting slots are formed in the inner side walls of the guard bars; supporting bases which are connected to the turnover connecting devices are mounted in the mounting slots; the guard bar onat least one side is hinged to the supporting base, and the guard bar can turn over to the horizontal state along the upper side part towards the upper side beam of the bed body; locking mechanisms which are locked onto the supporting bases are arranged between the guard bars and the supporting bases when the guard bars are in a longitudinal state; the guard bars are provided with moving bed assisting devices with hinged supporting point positions corresponding to the upper side beam of the bed body; position locking devices for locking and unlocking the guard bars on the moving bed assistingdevices are arranged between the guard bars and the bed body; moving bed assisting rolling shaft devices which facilitate crossing from the outer side surfaces of the guard bars of a patient are arranged on the outer side surfaces of the guard bars; the upper side parts of the guard bars are separately in lap joint on the upper side beam of the bed body; and the bottoms of the guard bars are equipped with connecting devices. The nursing bed has the advantages of utilizing the guard bars of a hospital bed to realize assisting patient transfer, and being simple and compact in structure.

The invention relates to a labor-saving driving device of a bicycle, which comprises a driving piece, a pedal or a handle device and a pair of Z-shaped connecting rods, wherein the connecting action center line of the pedal or the handle device and the driving piece and the connecting action center line of the two Z-shaped connecting rods and the driving piece are mutually parallel, each Z-shaped connecting rod comprises a vertical rod and a pair of parallel transverse rods, the second transverse rod is rotationally connected with a bicycle frame, the shaft center distances of the corresponding transverse rods of the two Z-shaped connecting rods are the same, the driving piece comprises a connecting plate and a driving rod, the first cross rods of the two Z-shaped connecting rods are respectively rotationally connected with both ends of the connecting plate, one end of a power rod is fixedly connected in the middle part of the connecting plate, the other end of the power rod is connected with the pedal or the handle device, the connecting positions of the two first cross rods and the connecting plate are respectively positioned on both sides of the fixed connecting position of the power rod and the connecting plate, and one Z-shaped connecting rod is fixedly connected with a driving chain disk. The device not only can more conveniently and freely rotate the Z-shaped connecting rods, but also can further improve the labor-saving effect.

The invention belongs to an aviation tray lifting and turnover device, particularly relates to a device capable of improving the production efficiency of aviation trays, and belongs to the technical field of aviation transportation unit load devices. The device comprises a body rack, a turnover mechanism, a winch, a guide pulley set and a steel wire rope. Through the principle that the force direction can be changed by a fixed pulley, the directions of steel wire ropes guided out from the two sides of the winch are changed through multiple pulleys, finally the tail ends of the steel wire ropesare placed at the positions of the four corners, and therefore four hooks are arranged at the tail ends of the steel wire ropes to hook tying rings at the four corners of a tray. By means of the device, large output pulling force can be generated by small input force, operation of lifting, turnover and transfer to the tray in the production process is convenient and rapid, manpower is saved, andproduction efficiency is effectively improved.

The invention relates to a cutting ruler, in particular to a cutting ruler for assisting tailoring and aims at achieving the technical effect of providing the cutting ruler for assisting tailoring with diversified assisting functions. The cutting ruler for assisting tailoring comprises a scale plate, a connecting rod, a pressing handle, an air bag, a first spring, a circular plate, a first outer scale, an inner scale, a sliding block, sliding rails, a blade and a movable plate; the circular plate is arranged on the right side of the scale plate, the air bag is arranged on the top of the circular plate, the first spring is arranged on the top of the circular plate, the pressing handle is arranged at the upper end of the first spring and located in the air bag, the connecting rod is connected to the left side of the bottom of the pressing handle in a hinged mode, the sliding rails are arranged on the front side and the rear side of the top of the scale plate respectively, and the sliding block is connected between the sliding rails. By the adoption of the first outer scale and a second outer scale, the length of the front side and the length of the rear side of cloth can be measured at the same time, size measuring time is saved, the scale plate does not need to be turned over, and the effort saving effect is achieved.

The invention provides a folded electric Scooter with an omnidirectional rotating towing wheel, which is a folded electric Scooter whose front frame can pivot relative to a rear frame so that the front frame and the rear frame approach each other. Mainly, the omnidirectional rotating towing wheel is arranged on the rear frame so that the towing smoothness can be enhanced and a labor-saving effect can be realized; meanwhile, a seat and a direction control unit are simultaneously arranged on the front frame and the integrated folded structural gravity center is centralized so that the stability of the folded structure is enhanced; through using position layout of the seat and a rear wheel set and determining that the gravity center of the whole body cannot be biased in a use state, the turnover possibility can be reduced and the safety in use is actually enhanced.

The invention discloses a tool kit for real estate maintenance, which comprises a kit body; both sides of the front face of the kit body are provided with shoulder bels, a back plate is further arranged in the middle of the front face of the kit body; the bottom part of the kit body is equipped with a pulley, the front face of the kit body closing to the top part is equipped with a flexible pull rod; both sides of the kit body closing to the top end are provided with plastic boxes, the inner parts of the plastic boxes are provided with bandages, both ends of the bandages are provided with buckle rings; middle parts at both sides of the kit body are provided with lock catches; the back face of the kit body is provided with a left slide door and a right slide door. Through arranging the shoulder belts at both sides of the front face of the kit body, and adaptively arranging the flexible pull wheel and the pulley, the tool kit for real estate maintenance reaches the labor-saving effect inthe process of carrying; meanwhile, both sides of the kit body are provided with lock catches, and the bandages are installed on the lock catches through the buckle rings, the tool kit for real estate maintenance can be carried on in use.

The invention relates to the field of signal receiving devices, and particularly discloses a receiving antennaof an optical communication system. The receiving antenna comprises a mounting base, a fixing structure, a limiting structure, a fixing base, a clamping structure, a locking structure and a protection structure. Through arrangement of the fixing structure, the antenna can be rapidly installed outside a circular electric pole through pressing force, electric poles with different diameters can be connected and fixed, fixation is firm, and through installation of the limiting structure in the installation base, the fixing structure can be automatically limited and fixed, the situation of slippage after the mounting base and the electric pole are mounted and fixed is prevented, limiting release of the fixing structure can be quickly realized through a labor-saving principle, the mounting base can be quickly dismounted and replaced, and the clamping structure is arranged in the fixing base, so that the antenna can be quickly and stably mounted and fixed; and therefore, the effects of saving time and labor and improving the mounting efficiency can be achieved.

The invention discloses an anti-slipping efficient cap screwing device. The anti-slipping efficient cap screwing device comprises a cap screwing device body. The cap screwing device body is composed of a left grab handle and a right grab handle which are provided with arc-shaped openings. The left grab handle and the right grab handle are symmetrical in the left-right direction, and the top of theleft grab handle and the top of the right grab handle are connected together through a first reinforcing structure. The arc-shaped openings are provided with thread structures. The anti-slipping efficient cap screwing device has the advantages that the labor-saving effect is achieved when a bottle cap is opened according to a torque principle; and the distance between threads of the bottle cap and threads of a bottle opening is reduced through the thread structures, the threads of the bottle cap and the threads of the bottle opening are tightly combined, and therefore the bottle cap prone toslipping can be opened more conveniently.

The invention discloses a transmission module based on elastic force protection for an overturning playing machine. The transmission module comprises a main shaft, a pulling wheel, a driven device and a transmission beam, and also comprises a transmission module body and a main shaft gear arranged on the main shaft in a sleeving mode. The transmission module body is composed of a connecting shaft, a clutch, a spring, a transmission gear, the pulling wheel arranged on the connecting shaft in a sleeving mode and a transmission device support; the pulling wheel, the connecting shaft, the clutch, the spring and the transmission gear are sequentially connected, the connecting shaft and the outer-side center axis part of the transmission gear are rotationally connected with the transmission device support through a shaft tip, the transmission module body is fixedly installed in an inner cavity in the transmission beam, the pulling wheel abuts against double triangular wheels, the clutch is connected with the connecting shaft in a sliding-groove mode and engaged with the transmission gear under the elastic force effect of the spring, torsion connection is achieved, the transmission gear is engaged with the main shaft gear, and the main shaft gear is smaller than the transmission gear. The transmission module has the advantages of being stable in running, long in service life, convenient to maintain and protect and the like.

The invention discloses a labor-saving bicycle. A hub gear or a hub gear ring is mounted on each hub; a double-ring gear is composed of two rings with the same axial central line and different radiuses; gear teeth are arranged on the outer ring; the gear teeth of the outer ring of the double-ring gear are meshed with the hub gear or the hub gear ring; a fulcrum shaft is arranged on a support; the fulcrum shaft can be integrated with a bicycle shaft; the fulcrum force of the fulcrum shaft acts on the inner ring of the double-ring gear. As the gear teeth are arranged on the double-ring gear, the double-ring gear can be driven to rotate when the gear teeth are driven to rotate by a chain, the hub gear or a hub can be also driven to rotate, and thus the labor-saving bicycle is labor-saving when being compared with common bicycles.

The invention relates to the technical field of mining and supply management, and discloses a warehouse management personnel freight cart based on enterprise mining and supply management; the cart comprises a base, a sliding groove is formed in the side surface of the base, a lifting mechanism is fixedly mounted in the base, an adjusting mechanism is arranged on the left side of the base, and a climbing wheel is arranged in the lifting mechanism. A transverse rod is rotationally connected to the center of the surface of the climbing wheel, a lifting toothed rod is rotationally connected to the surface of the transverse rod, a bearing plate is arranged on the surface of the transverse rod in a penetrating mode, an air bag is arranged at the bottom of the bearing plate, an inflation cavity is connected to the lower portion of the air bag through a hose, and a sliding rod is arranged in the inflation cavity. The side face of the sliding rod is slidably connected with a gravity block. According to the warehouse management personnel freight cart based on enterprise mining and supply management, through cooperative use of the sliding groove and the lifting mechanism, the effect that when warehouse management personnel carry goods, the height of the carrying plate of the cart is changed, and labor is saved for the warehouse management personnel is achieved.

The invention discloses a pre-shell extraction mechanism for a straight-pull bolt type sporting rifle. The pre-shell extraction mechanism comprises a gun barrel, a joint sleeve, a cartridge receiver, a bolt, an unlocking and locking guide column, a bolt frame and other parts. A starting surface is designed on the joint sleeve, and a pre-shell extraction surface is designed on the bolt. When a shooter pulls the bolt frame backwards by hand and is about to unlock in place, the starting surface of the joint sleeve and the pre-shell extraction surface of the bolt are matched with each other, the rotation of the bolt is converted into backward movement by utilizing a lead angle, and the bolt is forced to pull a cartridge case to move backwards in a small range and tilt out of the cartridge case, so that the pre-shell extraction effect is achieved. The starting surface and the pre-shell extraction surface is closer to the central axis of the bolt than the unlocking and locking guide column, so that a lever effect can be formed, and the labor-saving effect is achieved.

The orthopedic clinical hip joint reduction fixator comprises a frame plate, a supporting plate is fixed to one side of the front end of the frame plate through a bolt, a first sleeve rod is fixed to the top of the supporting plate through a bolt, a first groove is formed in the top of the first sleeve rod, and a first spring is fixed to the inner wall of the bottom of the first groove through a bolt; a first inner rod is fixed to the top of the first spring through a bolt, a holding rod is fixed to the inner side of the first inner rod through a bolt and sleeved with a rubber sleeve, the shifting mechanism is connected with a disc, the top of the disc is rotationally connected with a second sleeve rod through a bearing, a second groove is formed in the top of the second sleeve rod, and a second spring is fixed to the inner wall of the bottom of the second groove through a bolt. Second inner rods are fixed to the tops of the second springs through bolts, and adjusting plates are fixed to the tops of the second inner rods through bolts. The hip joint is subjected to reduction action, and meanwhile, the body of a patient is pressed down and fixed, so that the reduction process can be operated by a single person.