47results about How to "No shaking phenomenon" patented technology

The present invention discloses a filtration core housing fixation apparatus, and a water purifier having the filtration core housing fixation apparatus. The filtration core housing fixation apparatus comprises a shock reducing fixation block connected to the panel of a water purifier opening cover, wherein the shock reducing fixation block is arranged between the panel of the water purifier opening cover and the filtration core housing, and bears against the filtration core housing. According to the present invention, the shock reducing fixation block is arranged between the panel of the water purifier opening cover and the filtration core housing, and bears against the filtration core housing, such that the shock reducing fixation block bears against the filtration core housing, and the shaking of the filtration core housing is avoided; when the filtration core housing fixation apparatus is used for the water purifier, the filtration core housing shaking phenomenon cannot be generated; the problem that the existing water purifier filtration core housing fixation structure affects the performance of the water purifier is solved; and when the size of the filtration core housing is changed, only the shock reducing fixation block is required to be replaced so as to fix the filtration core housings with different sizes, such that the problem that the versatility of the existing water purifier filtration core housing fixation structure is poor is effectively solved.

The invention discloses a welding and locating tool for a battery bracket of an electric bus. The welding and locating tool comprises a rectangular framework; the two ends of the rectangular framework are connected to two opposite locator cards; a central longitudinal beam and a plurality of side longitudinal beams are arranged on the middle part of the rectangular framework; the side longitudinal beams are positioned at the two sides of the central longitudinal beam; a main body locating pin is arranged on the middle part of the central longitudinal beam; clamping devices are arranged on the middle parts of the side longitudinal beams; a plurality of locating plates are arranged on the rectangular framework and the side longitudinal beams; and battery bracket locating pins are arranged on the locating plates. According to the welding and locating tool disclosed by the invention, the tool is located and fixed in a perpendicular direction through the locator cards, the tool is located and fixed in the horizontal direction through the main body locating pin, and the tool is located and fixed in the vertical direction through the clamping devices, so that the tool and a chassis of the electric bus are firmly and reliably connected without a shaking phenomenon; and the battery bracket is located and fixed through the locating plates and the battery bracket locating pins, so that the battery bracket is welded; and the welding and locating tool is simple in structure and is convenient to use, so that mounting efficiency of the battery bracket is greatly improved.

The invention discloses a grinding device for a chair for teaching. The grinding device comprises a machine frame, a positioning block, a supporting plate, a lifting assembly and a clamping assembly,wherein four positioning grooves distributed as vertexes of a rectangle are formed in the upper end of the positioning block, supporting columns are arranged at the lower end of the positioning blockand are fixed to the bottom of the machine frame, the supporting plate is located below the positioning block, two sliding rails and a fourth air cylinder are arranged at each of the two ends of the positioning block, sliding blocks which are connected to the sliding rails in a sliding mode are arranged on the sliding rails, grinding machines are arranged on the opposite sides of the sliding blocks at the two ends, grinding sheets of the grinding machines are consistent in height, piston rods of the fourth air cylinders are connected to the sliding blocks, the fourth air cylinders can push thesliding blocks at the two ends to slide on the sliding rails in the opposite direction or the backward direction, the positioning grooves are located on the moving tracks of the grinding machines correspondingly, the lifting assembly is located on the side surface of the machine frame and and can drive the supporting plate to vertically ascend and descend, and the clamping assembly is located atthe top of the machine frame. The grinding device has the advantages of being simple in using method, high in grinding efficiency, capable of grinding four supporting legs at a time, capable of ensuring that the bottoms of the supporting legs are consistent in height and capable of avoiding the phenomenon of chair shaking.

The invention discloses a full-open type hydraulic control flap gate and a using method thereof. The full-open type hydraulic control flap gate comprises a dam body, a bottom watertight rubber, a gate leaf support, a gate leaf shaft, a large support rod shaft, a large support rod, a piston rod shaft, a small support rod shaft, a small support rod, a gate leaf hinged support, a gate leaf hinged support shaft, a gate leaf, a hydraulic cylinder, a support seat, a buffer rubber gasket, a side watertight rubber, a cylinder shaft and a hydraulic system. The gate and the method thereof are suitable for storing and draining water of a dam. Water storage, opening and closing of the gate are completely controlled by the hydraulic system, the large support rod and the small support rod support the gate when the gate is closed, thus the hydraulic cylinder is avoided being stressed for a long time, the gate can be completely opened so that the water flow reaches the maximum value, various defects of the traditional flap gate are overcome, the opening and closing accuracy is remarkably improved, no shaking phenomenon exists, the gate can not generate beating and floating phenomena, and the hydraulic system can realize the remote real-time monitoring. One full-open type hydraulic control flap gate can be used and a plurality of full-open type hydraulic control flap gates can also be simultaneously used, and the full-open type hydraulic control flap gate has the advantages of simple structure, low cost and remarkable technical advantages.

The invention discloses a thread gap elimination device and an assembly method thereof. The thread gap elimination device comprises a transmission screw rod, a main nut, an auxiliary nut, a connection pin, a disc spring pin, a disc spring, a box body and an end cover, wherein the end cover is fixed on the box body through a fastener; the transmission screw rod penetrates through from the central holes of the box body and the end cover; the main nut and the auxiliary nut are arranged between the inner hole of the box body and the radial direction of the transmission screw rod; the main nut and the auxiliary nut are matched with an external thread of the transmission screw rod through an internal thread, and form a certain gap with the inner hole of the box body; the auxiliary nut is arranged on the upper part of the main nut, and forms a certain gap with the main nut; the connection pin is connected with the end cover, the auxiliary nut and the main nut; the lower part of the disc spring pin is connected to the auxiliary nut, and the upper part of the disc spring pin is located in the inner hole of the end cover; and the disc spring sleeves outside the disc spring pin, and forms a gap with the inner hole of the end cover. The thread gap elimination device disclosed by the invention is capable of conveniently and reliably eliminating a thread gap. Meanwhile, the thread gap elimination device disclosed by the invention is simple in structure and convenient to install.

The invention discloses a pulley-chute connection structure applied to an anti-drop door window. The pulley-chute connection structure comprises a window frame and a window sash mounted in the window frame, wherein one or more pulley blocks are arranged at the upper end of the window sash; two or more pulleys are arranged on each pulley block; a chute comprises two or more slideways arranged in an up-down manner; the inner wall of the left side of at least one slideway is butted against the left side of at least one pulley, and the inner wall of the right side of at least one slideway is butted against the right side of at least one pulley, that is, at least two slideways are mutually staggered. Through analysis from the force bearing condition of each whole pulley block, the left side and the right side of the pulley block are propped against the inner wall of the chute, and no interval exists on the left side and the right side of the pulley block, so that the shaking phenomenon can be avoided; through analysis from each pulley, only one side of the pulley is propped against the inner wall, and a relatively large interval exists on the other side, so that rotating and sliding of the pulley are not influenced, due to the relatively large interval, the pulley can still slide smoothly even though the chute has larger deformation, and the use is very convenient.

The invention belongs to the technical field of water tank mesh enclosure sweeping, and particularly relates to a self-rotating dust removal device of an engine water tank dust mesh enclosure. The self-rotating dust removal device comprises the dust mesh enclosure, the front side face of an engine water tan is covered with the dust mesh enclosure, an engine is arranged behind the engine water tank, an impeller is arranged between the engine and the engine water tank, the impeller is mounted at the output end of the engine, and a rotary disc is arranged in the middle of the dust mesh enclosure. Heat radiation through holes are formed in the rotary disc, a dust collecting device is arranged at the front side of the rotary disc, and power of sucking air in the dust collecting device is all provided by the impeller driven by self-rotation of the engine inside. Self energy is utilized for clearing away sundries on the mesh enclosure, the utilization rate of energy is greatly increased, and the rotary disc is driven by a transmission motor and a gear pair. The self-rotating dust removal device of the engine water tank dust mesh enclosure is simple in structure and can automatically clear away the sundries on the engine water tank mesh enclosure, the work efficiency is improved, and the engine is effectively protected.

The invention discloses a panel rotating type elevator operation panel. The panel rotating type elevator operation panel comprises a bottom box and a panel covering the bottom box. The bottom box is internally provided with a panel rotating mechanism. The panel rotating mechanism is horizontally and rotatably connected with the bottom box. The panel is connected with the panel rotating mechanism and can do horizontal rotation and up-down movement relative to the panel rotating mechanism. The bottom box is internally provided with a lower clamping part. The panel is provided with an upper clamping part. The upper clamping part is clamped with the lower clamping part in an up-down mode when the panel is attached to the side face of the bottom box to move downwards. According to the panel rotating type elevator operation panel, the panel is convenient and fast to assemble, open and operate. The opened panel can maintain a certain distance from the car wall without shaking. The panel rotating type elevator operation panel is convenient to install and maintain and effectively protects the car wall against damage. The panel is not likely to fall off. Potential safety hazards are eradicated.

The invention discloses an automobile halogen bulb, which comprises a bulb body and a fixing seat connected to the tail of the bulb body; two grooves used for clamping a lamp socket are formed on the two surfaces of the fixing seat; and the positions of the grooves correspond to the positions of clamping bars on the lamp socket. The automobile halogen bulb has the advantages that: by forming the grooves on the fixing seat, the bulb can be firmly fixed in the lamp socket and cannot shake, so good contact of the bulb is ensured, and the bulb can stably and normally work for a long time.

The invention discloses a welding and locating tool for a battery bracket of an electric bus. The welding and locating tool comprises a rectangular framework; the two ends of the rectangular framework are connected to two opposite locator cards; a central longitudinal beam and a plurality of side longitudinal beams are arranged on the middle part of the rectangular framework; the side longitudinal beams are positioned at the two sides of the central longitudinal beam; a main body locating pin is arranged on the middle part of the central longitudinal beam; clamping devices are arranged on the middle parts of the side longitudinal beams; a plurality of locating plates are arranged on the rectangular framework and the side longitudinal beams; and battery bracket locating pins are arranged on the locating plates. According to the welding and locating tool disclosed by the invention, the tool is located and fixed in a perpendicular direction through the locator cards, the tool is located and fixed in the horizontal direction through the main body locating pin, and the tool is located and fixed in the vertical direction through the clamping devices, so that the tool and a chassis of the electric bus are firmly and reliably connected without a shaking phenomenon; and the battery bracket is located and fixed through the locating plates and the battery bracket locating pins, so that the battery bracket is welded; and the welding and locating tool is simple in structure and is convenient to use, so that mounting efficiency of the battery bracket is greatly improved.

The invention relates to an electronic component diode pin processing method. The method mainly comprises the following steps that: welding, acid pickling, mold pressing, forming and curing, residualglue removing, pin bending, electroplating, lettering, packaging and storing are carried out; and a used pin bending device comprises a mounting frame, a fixing plate and an overturning plate, a fixedplate is mounted on the mounting frame, and an overturning plate is arranged at the right end of the fixed plate in a rotary connection manner. The method can solve problems that when an existing steel plate is subjected to surface polishing operation: a, when diode pins are bent, a diode needs to be fixed, then tweezers are used for directly bending the diode pins, the workload is greatly increased, the working efficiency is low, and the phenomenon that a diode body is prone to being extruded and damaged is caused can be solved; and b, when the existing diode pins are bent, the diode pins are bent in a manual bending mode, so that the bending angles of the pins cannot be unified, a certain deviation exists, and the quality of the diode is influenced.

A display rotary positioning module comprises a first rotating device, a second rotating device, a positioning switch and an auxiliary positioning post, wherein the first rotating device is connected to a display through rotating motion, and is connected to a second rotating device for pivoting the second rotating device, the positioning switch and the auxiliary positioning post jump upwards at predetermined positions, the auxiliary positioning post also crosses through the rotating element of the second rotating device, thus fixing the rotating device at a predetermined position, and making the display can only rotate along the rotational direction of the first rotating device, when the positioning switch and an auxiliary positioning post are pressed, the display can rotate along the direction of the first rotating device and the second rotating deivce.