51results about How to "Avoid slipping out" patented technology

The invention discloses a food and medicine drying device, and relates to the technical field of foods and medicines. The drying device comprises a drying box, wherein a mesh plate is arranged in thedrying box; the lower surface of the mesh plate is overlapped with top ends of four cams; and the four cams are respectively clamped outside two rotating shafts. According to the drying device, through mutual cooperation of a first switch, a second motor, a half gear, a toothed plate, a sliding block, a pulley, a hot air fan, a second spring, a second switch, a first motor, the rotating shafts, the cams and the mesh plate, the defect that the hot air fan can only dry the surface of the food or the medicines, so that the underneath stacked foods and medicines are completely dried under the vertical movement of the mesh plate; and moreover, the wet or large size foods and medicines can be crushed through the horizontal movement of the pulley, so that the large size foods or medicines are completely dried as well, and the practicability of the device is improved.

The invention relates to an assistant device used for a winding mechanism and capable of storing and releasing rotation energy. The assistant device used for the winding mechanism and capable of storing and releasing the rotation energy comprises an inner pipe, core iron and a spring, wherein the core iron is of a strip shape and is contained in the inner pipe, the core iron is sleeved with the spring, one end of the core iron extends out of the inner pipe, and is sleeved with a spring bead which is connected with the inner pipe, one end of the spring is connected with the spring bead, and the other end of the spring is connected with the core iron. The assistant device used for the winding mechanism and capable of storing and releasing the rotation energy is characterized in that at least one protruding rib is arranged on the core iron, the radial direction of the protruding rib is outward, the spring bead comprises a first pipe portion, the internal radius of the first pipe portion is smaller than the radial distance between the outer end of the protruding rib and the central axis of the core iron, a guide groove is formed in the inner wall of the first pipe portion, is matched with the protruding rib in appearance, and extends in the axial direction, one end of the guide groove extends towards the interior of the inner pipe in the axial direction, and an opening is formed in the end portion of the first pipe portion. According to the assistant device used for the winding mechanism and capable of storing and releasing the rotation energy, due to the fact that on the basis of a traditional structure, the protruding rib on the core iron is used in cooperation with the guide groove in the spring bead, locking of pre-rotation energy of the spring can be easily achieved before the assistant device leaves the factory, a curtain box does not need to be added, assembly is convenient, production efficiency is improved, and the production cost is reduced.

The invention discloses a paper-counting machine. The paper-counting machine comprises a rack, a working platform mechanism, a counting device, a paper tag conveying device and a cutter, wherein paper is piled onto the bearing plate of the working platform mechanism and pressed by a paper-pressing plate; through the cooperation of a paper-sucking rotating shaft and a paper-pressing rotating shaft in the counting device, the paper pile is counted from bottom to top; when the counting is in place, the paper tag conveying device conveys paper tags to the paper pile so as to allow the cutter to cut the paper tags and keep the paper tags in the paper pile for conducting a positioning marking function. The paper-counting machine has the advantages that the working efficiency is high, the paper counting is accurate, and the paper tags can be inserted and positioned automatically.

The invention discloses a stretchable fruit picking ladder which comprises a base and an auxiliary stretchable device. Stretchable structures are arranged at the two sides of the upper end of the baserespectively. Each stretchable structure comprises an inner rod, an outer rod and a bolt, wherein the inner rod is inserted into the outer rod and fixedly screwed by the bolt; accordingly, the stretchable structures can be extended by pulling the inner rods upwards, a pedal is arranged between the outer rods at the two sides, a ladder body is welded to the upper ends of the inner rods, the ladderbody comprises two sets of vertical rods and a plurality of sets of transverse plates, the transverse plates are arranged at equal intervals, the two ends of the transverse plates are connected to the vertical rods on the two sides, sliding grooves are formed in the vertical rods, sliding blocks are in sliding connection with the sliding grooves, a user does not need to pick fruits while carryinga basket on the arm, a box is directly arranged on the ladder body, the box is connected to the interior of the sliding grooves through the sliding blocks, the sliding blocks are T-shaped sliding blocks, the phenomenon that the sliding blocks slide out from the sliding grooves is avoided, the height can be adjusted vertically, and then, the picking efficiency is improved.

The invention belongs to the technical field of electronic teaching, and discloses an interconnected blackboard with a playback function and a system thereof. The interconnected blackboard comprises an installation outer shell, a touch screen and a movable adjustment device; the touch screen and the movable adjustment device are arranged at one side of the installation outer shell, the touch screen is embedded in the installation outer shell, and the touch screen comprises a display area and a writing and recording area; sliding grooves are formed in the positions, located on the two sides ofthe touch screen, of the outer wall of one side of the outer shell, the movable adjusting device comprises a movable push rod, and the two ends of the movable push rod are located in the two sliding grooves respectively and slide along the sliding grooves; the display area and the writing and recording area are located on the two sides of the push rod respectively, and when the push rod moves, thearea of the display area and the area of the writing and recording area change accordingly. In conclusion, the adjustable display area and the writing and recording area are arranged on the interconnected blackboard, so that playback use and writing use of the interconnected blackboard can be realized at the same time, and the size of the corresponding area can be adjusted according to actual userequirements.

The invention discloses a small handheld fan with a dust prevention function. The small handheld fan with the dust prevention function comprises a frame, a connecting plate, petal baffles and a rotating handle, wherein a push rod is arranged on the middle lower portion of the frame; the upper portion of the push handle is connected with a clamping plate; the connecting plate is connected with a chute through a sliding block; the chute is formed in the inner side of the middle of the frame; a supporting plate is arranged on the upper portion of the connecting plate; the inner side of the supporting plate is connected with a rubber band; each petal baffle is positioned on the top of a movable rod; a fixing shaft is mounted on the middle upper portion of each movable rod; a fan body is arranged on the inner sides of the pedal baffles; and the rotating handle is positioned on the bottommost portion of the push rod. According to the small handheld fan with the dust prevention function, by use of a connecting strap, the rotating handle and a fixing groove, the clamping plate can be fixed when the fan is used normally, the circumstance that the clamping plate slips out is avoided, after the small handheld fan is used, only the rotating handle needs to rotate, and then the rotating handle can be popped up from the inside of the fixing groove under the elastic effect of the connecting strap.

The invention discloses a screening device capable of automatically screening sand. The screening device capable of automatically screening the sand comprises a transmission case. A base plate is fixedly connected with the bottom of the transmission case, a top plate is fixedly connected with the top of the right side of the transmission case, and an electric box is fixedly connected with the topof the transmission case. A motor which is located inside the electric box is fixedly connected with the top of the top plate. According to the screening device capable of automatically screening thesand, due to the fact that the transmission case, the base plate, the top plate, the electric box, the motor, a first belt pulley, a convex rod, a second belt pulley, a belt, a screening box, supporting mechanisms, first connecting blocks, pull rods, first openings, a concave screening plate, a sliding plate, a sliding groove, a second opening, a handle, a feeding hopper, a discharging pipe and acontrol valve are used cooperatively, the problem that according to an existing screening mode, due to the fact that a screening device is generally shaken manually, the screening efficiency is low issolved, the screening device capable of automatically screening the sand has the advantages of automatically screening the sand and being high in screening efficiency, the labor intensity of a user is reduced, and the screening device capable of automatically screening the sand is conveniently used by persons.

The invention belongs to a toy gun, and particularly relates to a chambering structure capable of achieving continuous bullet shooting. The chambering structure capable of achieving continuous bulletshooting is provided with a bullet clip and can guarantee the continuous shooting function of the toy gun. According to the chambering structure capable of achieving continuous bullet shooting, a continuous shooting gun barrel 1 is arranged at the front end of the toy gun 3; the bullet clip 2 is arranged under the continuous shooting gun barrel 1; and the continuous shooting gun barrel 1 is composed of a continuous shooting housing and a continuous shooting protective device. The invention aims to provide the chambering structure capable of achieving continuous bullet shooting, the arranged continuous shooting protective device guarantees that when the bullet clip 2 loads a first bullet into the toy gun and the toy gun starts chambering shooting, a second clip 14 can be tightened to stop other bullets from being fed into a bullet feeding bin, and the problem that multiple bullets are stuffed into the bullet feeding bin and thus the shooting effect of the bullets can be influenced is avoided; and a first clip 13 can be tightened in the chambering process of the toy gun, and the condition that the bullets can slide out of the gun barrel when users do not press the trigger to shoot out the bullets is evaded.

The invention relates to the technical field of solar photovoltaics, in particular to an auxiliary cross beam, a connecting structure of the auxiliary cross beam and main beams and a photovoltaic tracking support, the auxiliary cross beam comprises an auxiliary cross beam main body, clamping grooves I are formed in the end parts of the auxiliary cross beam main body, elastic sheets are arranged onthe auxiliary cross beam main body on the back surfaces of the clamping grooves I, and abutting surfaces are formed on the outer walls of the elastic sheets; the abutting surfaces protrude towards the outer side of the auxiliary cross beam body. The outer end parts of the elastic sheets are bent to form clamping surfaces; and the clamping surfaces are used for abutting against the side surfaces of the main beams. According to the invention, the double main beams are used for constructing the photovoltaic tracking support, main cross beams are connected with the double main beams, and the auxiliary cross beams connected between the main beams are matched to improve the torsional rigidity of the photovoltaic tracking support, so that the problems that the photovoltaic panel cannot be normally installed due to low torsional rigidity of the photovoltaic tracking support or the photovoltaic panel is damaged and cannot work normally due to the deformation of the support are solved.

The invention discloses multifunctional fitness equipment. The multifunctional fitness equipment comprises a chassis, wherein a fixed rod is arranged in the middle of the chassis, a spring is vertically arranged on the fixed rod, and a handle disk is fixedly arranged at the upper end of the spring. According to the characteristics of the spring, the multifunctional fitness equipment disclosed by the invention can be used for exercising different body parts through different exercising ways.

The invention relates to the field of packaging and processing and provides a fully-automatic tea leaf vacuum packaging machine comprising a rack, a vacuum pump, a vacuum chamber, a sealing strip, an organic glass plate upper cover, an air bag and an electromagnetic valve. The organic glass plate upper cover is provided with a sealing pad corresponding to the sealing strip; the sealing pad is grooved in structure; the air bag is connected with the vacuum pump via an air inlet pipe; the two ends of the sealing pad are closed; the air inlet pipe is provided with an oil holding container. The machine can effectively prevent product packages from slipping out during sealing of the product packages, thereby achieving a better sealing effect and guaranteeing the sealing quality.

The invention belongs to the technical field of power distribution cabinets, and particularly relates to an intelligent power distribution cabinet for preventing an instrument lens from being atomized. In order to solve the problem that data reading by workers is affected by more water vapor adhered to an instrument lens when the interior of an existing power distribution cabinet is too wet due to poor sealing performance in the using process of the existing power distribution cabinet, the following scheme is provided, namely, the intelligent power distribution cabinet comprises a bottom plate, a cabinet body and a control panel; one side of the cabinet body is fixedly connected with a mounting plate; one side of the mounting plate is fixedly connected with a shell; a guide pipe is inserted into one side of the shell; and a connecting pipe rod is inserted into one side of the guide pipe. By arranging a fan and an exhaust pipe, an instrument on a mounting frame can be uniformly dehumidified by cold air, so that the influence of water vapor generated on the lens of the instrument on the data reading work of a worker can be effectively avoided.

The invention provides a position limiting device for a drawer unit of a pull-out type low-voltage switch cabinet. Two fixed grooves are fixedly fomred in a position of each drawer in a cabinet body of a drawer cabinet, a support frame is arranged at the outer side of the two fixing grooves, a plurality of pulleys are arranged between the support frame and the fixing grooves, the support frame slides along the fixing grooves through the pulleys, the pull-out ends of the two fixing grooves are respectively provided with position limiting blocks, and drawer are hung on the support frame. The position limiting device has the following advantages and beneficial effects that 1, the drawer unit can be effectively prevented from generating sliding-down or sliding-out phenomenon; 2, the position limiting device is used for hanging the drawers on the support frame, and the drawers cannot generate the slide-down phenomenon even when the drawers slide out of the fixing grooves; 3, the structure is simple, and the use is convenient.

The invention belongs to the technical field of electric power fittings, particularly relates to a cable protection fitting for electric power engineering, and aims to solve the problems that an existing protection fitting only can achieve the purpose of wrapping a joint, and when two ends of an electric power cable receive tensile force, the joint is easy to break, and provides the following scheme that the cable protection fitting comprises a first shell, a second shell is hinged to the outer wall of the first shell, cavities are formed in the inner walls of the first shell and the second shell, two winding discs are arranged on the inner walls of the cavities, a plurality of mounting grooves which are annularly distributed at equal intervals are formed in the outer walls of the winding discs, buffer springs are arranged on the inner walls of the mounting grooves, a limiting plate is arranged at the end, away from the mounting groove, of each buffer spring, and a cable groove is formed in the outer wall of one side of the limiting plate. According to the invention, the tensile force applied to the cable joint can be greatly reduced, the cable joint is protected from being broken, and the electricity utilization safety of people is guaranteed.

The invention discloses an aluminum alloy product surface treatment device and belongs to the technical field of metal product surface treatment. The aluminum alloy product surface treatment device comprises a grinder body and tiles arranged on the grinder body, wherein scrap collecting boxes are arranged on the tiles; fixing plates are fixed on the side surfaces of the tiles; plug-in grooves areformed in the outer surfaces of the sides, close to the tiles, of the fixing plates; and collecting units are arranged on the scrap collecting boxes, and assembled to collect scraps generated from thegrinding operation of the grinder body. Through the arrangement of the scrap collecting boxes and the addition of a proper amount of clear water into the scrap collecting boxes, sparks generated in the grinding process can be collected and the spark temperature can be quickly reduced; furthermore, the sizes of the exposed surfaces of grinding wheels can be adjusted by people according to the sizeof an actual size through arranged protective tiles; and consequently, the circumstance that working personnel accidentally get in touch with the grinding wheels which rotate at a high speed can be prevented and the use safety of the entire grinder body can be significantly enhanced.