10results about How to "Avoid random shaking" patented technology

The electric wire protection plug comprises a pipe plug main body and a threading hole arranged in the pipe plug main body, the pipe plug main body comprises an insertion part and an exposed part, and the overall dimension of the upper end of the exposed part is larger than or equal to the overall dimension of the lower end of a bicycle seat post; the threading hole is led in from the upper end of the insertion part and led out from the side face of the upper portion of the exposed part, and the threading hole is in arc transition at the turning position. The utility model is applied to the occasion that the power line passes through the inside of the bicycle seat post, after the bicycle is refitted into a moped, most of the power line is not exposed, the aesthetic property is better, the power line is prevented from shaking randomly through the cooperation of the threading hole and the baffle, and the power line at the lower end of the seat post does not touch the ground when the seat post is pressed down in the bicycle folding process. The service life of the power line is prolonged, the functions of threading protection and expansion fixation can be realized without cutting the line and welding the plug again, the installation is convenient, and the aesthetic property is good.

The utility model relates to a mobile phone pendant anti -looseness device has installation base, connecting portion and top plate, is equipped with connecting screw hole on installation base, connecting portion includes screw rod portion and connecting plate, and the top of connecting portion is equipped with the mounting hole coaxial with screw rod portion, is equipped with compression spring in mounting hole, and the top of compression spring is fixedly equipped with ball, and ball lifting sliding sets up in mounting hole, is equipped with hanging groove on the lateral wall of top plate, still is equipped with connecting through groove on top plate, and the bottom of connecting through groove is pressed in through the continuous force of compression spring of the upper end of ball, is equipped with a plurality of limit sliding slots on the upper end surface of connecting plate, and the bottom of connecting through groove is equipped with limit sliding block, and the inner wall of connecting through groove is equipped with a plurality of anti -drop piece, and the limit sliding block is pressed into corresponding limit sliding slot through depressing after top plate connects with pendant and hanging groove, and through the thread cooperation of screw rod portion and connecting screw hole, the pendant is pressed tightly on installation base. The utility model is ingenious, convenient and practical.

This invention discloses an automatic damping adjustment system and method for a tennis, badminton, and squash racket stringing machine turntable. The invention relates to the technical field of adjusting the damping between the turntable and a hollow fixed column. An electromagnetic block (6) is fixed to the top surface of a base (1) inside the hollow fixed column (2). The electromagnetic block (6) is connected to a current adjustment module (7), which is connected to a controller (8). An angle sensor (9) is fixed to the top surface of the base (1). The input shaft of the angle sensor (9) faces upwards, and an encoding wheel (10) is fixed to its extension end. The outer cylindrical surface of the encoding wheel (10) contacts the outer cylindrical surface of the turntable (4). The angle sensor (9) is in contact with the controller (8). The beneficial effects of this invention are: effectively preventing the turntable from shaking randomly during racket stringing and improving the quality of racket stringing.

The utility model relates to the technical field of automobile sound equipment, in particular to automobile sound equipment capable of being quickly assembled and disassembled. According to the technical scheme, a sound box body is installed on a fixing plate, a fixing rod is arranged at the tail end of the sound box body, a fixing hole is formed in the fixing rod in a penetrating mode, a fixing seat is arranged on the fixing plate, an inserting rod is arranged on the fixing seat, and the sound box body is installed on the fixing plate in a limiting mode through mutual cooperation of the fixing rod and the fixing seat. The lower part of the sound equipment body is provided with an electrode contact. The sliding groove is formed in the fixing base, the inserting rod is slidably installed in the sliding groove, the strong magnet is arranged at the tail end of the inserting rod, and the inserting rod stretches out and draws back through repulsive force and attraction force of a magnetic field in cooperation with the electromagnet inlaid in the outer side. During mounting and dismounting, connection and separation of the sound box and the fixing plate can be rapidly completed, operation is easy and convenient, the stability of sound box fixing is enhanced, and the use and maintenance efficiency of the automobile sound box is improved.

The utility model relates to the technical field of agricultural planting, and discloses a light-wave insect-expelling plant growth lamp for agricultural production, which comprises a plant growth lamp light-emitting unit and four-color selectable LED lamp beads, and a power supply is fixedly mounted in the light-wave insect-expelling plant growth lamp; and a fixing groove is formed in the power source, a rotating shaft is movably installed in the fixing groove, and a hanging mechanism is fixedly installed on the outer surface of the rotating shaft. Through the arrangement of the LED lamp beads and the plant growth lamp, when the device runs, not only can the plant photosynthesis be promoted by the plant growth light-emitting unit and the crop yield be improved, but also insects can be repelled by four light waves emitted by the LED lamp beads, and the four light waves have activity inhibiting and repelling effects on different varieties of insects; therefore, the use amount of pesticide is reduced, and pesticide residues of agricultural products are reduced; and light control can be carried out through a Bluetooth switch, and the advantages are obvious in a large-area use scene.

The utility model discloses a medical specimen storage device which comprises a storage box, a supporting base is arranged at the bottom of the storage box, an outer cover is hinged to the surface of the storage box, and an isolating ring is fixedly connected to one side of the inner wall of the outer cover. The bottom of the independent storage assembly is fixedly connected with the bottom of the inner wall of the storage box, and the independent storage assembly is used for independently storing the medical specimens; and one side of the sealing assembly is connected with one side of the inner wall of the storage box in a sliding mode. According to the medical specimen storage device, by means of the arrangement of a sealing assembly and downward pressing of a pressing block, the storage pipe can be effectively prevented from shaking randomly in a containing groove, meanwhile, by means of the arrangement of a storage box and an outer cover, the storage pipe can be effectively limited and prevented from shaking randomly during transferring, and a threaded top plate is in threaded connection with the surface of a fixing block; and the storage pipe can be effectively sealed in the storage box.

The application belongs to the technical field of transformer equipment, and discloses a falling-prevention device of an extra-high voltage high-resistance respirator, which comprises an extra-high voltage high-resistance respirator body and a limiting and fixing side block. A silica gel feeding port is movably connected to the top of the front of the extra-high voltage high-resistance respirator body. A silica gel discharging port is movably connected to the front of the outer surface of the extra-high voltage high-resistance respirator body. A top fixing rubber sleeve is fixedly sleeved to the top of the outer surface of the extra-high voltage high-resistance respirator body. The second threaded shaft and the adjusting spring can ensure the stability of the device after the flange is disconnected during the replacement of parts, avoid the random shaking of the device, improve the stability of the device during use, avoid the instability of the device after the disconnection of the top breathing pipe, and improve the safety of the device during use.

The utility model discloses a supporting mechanism for a natural gas pressure tapping pipeline, which belongs to the technical field and comprises a base, a support column vertically extending along the top surface of the base is arranged on the top surface of the base, a position adjusting seat capable of adjusting the position along the axial direction of the support column is arranged on the support column, and a fixing component is mounted on the position adjusting seat. The fixing assembly comprises a first clamping plate fixed to the side wall of the connecting plate, a second clamping plate is rotationally installed on the first clamping plate, the opposite sides of the second clamping plate and the first clamping plate are both sunken inwards to form arc-shaped clamping faces, and when the second clamping plate rotates towards a first rotating shaft to be closed, the arc-shaped clamping faces are clamped. An annular clamping space used for clamping a pressure tapping pipeline is formed between the two arc-shaped clamping faces, a locking piece is rotationally installed on the first clamping plate, and the second clamping plate is fixed to the first clamping plate through the locking piece. The supporting mechanism is used for the natural gas pressure tapping pipeline.

The utility model provides a bite block structure for fixing a tracheal catheter, which comprises a supporting rod, a silicon rubber case is sleeved on the surface of the supporting rod, and tying belts are symmetrically arranged on the side wall of the silicon rubber case. The supporting rod is composed of a fixing ring and elastic plates, and a plurality of elastic plates with arc-shaped side walls are installed on the side wall of the elastic fixing ring. The bite block structure for fixing the tracheal catheter has the advantages of protecting teeth and lips of a patient and being convenient to use.