9results about How to "Realize automatic reset function" patented technology

The invention belongs to the technical field of shielding doors, particularly relates to a medical polymer radiation shielding door seam sealing device, and aims to solve the problems that a sealing rubber strip arranged on the side, close to a wall, of an existing lead door can be abraded under long-time friction, so that the sealing effect is reduced, leakage is difficult to detect when abrasion is small, and outdoor safety is affected. According to the scheme, the shielding door comprises a door frame and a shielding door body arranged on one side of the door frame in a sliding mode, a mounting base is arranged on one side of the door frame, a speed reducer is fixedly arranged on the top of the mounting base, a motor is fixedly arranged on one side of the speed reducer, and the output end of the motor is fixedly connected with the input end of the speed reducer; through the cooperation of the motor and the speed reducer, efficient driving and smooth sliding are achieved, multiple sealing and linkage sealing are achieved in cooperation with the sealing mechanism, meanwhile, safety can be guaranteed through the monitoring mechanism, and powerful guarantee is provided for the safety and reliability of the medical environment.

The utility model discloses a kind of obstetric flushers, including liquid storage tank, connecting pipe, extension piece, direction-changing arm and spray head, liquid storage tank includes the tank body for storing cleaning fluid and is set to the pressing portion of tank body tail end, pressing portion is corrugated structure, with good elasticity and resilience, tank body opening end is connected connecting pipe and extension piece in turn by thread, extension piece one end is equipped with rotatable direction-changing arm, direction-changing arm one end is equipped with locating head and input hole, the other end is connected with spray head, liquid can be in palm pressing pressing portion after via passage and input hole into direction-changing arm and from spray head to spray to realize flushing function, the extension piece outside is provided with accommodating groove for folding storage direction-changing arm, connecting pipe outside is equipped with antiskid structure to facilitate operation, structure design is reasonable, connection is stable, spray direction is adjustable and convenient to store.

The invention belongs to the technical field of hologram paper processing, and discloses a winding device for hologram paper production. Comprising a device body, a winding roller is installed in the device body, laser paper is wound on the outer side of the winding roller, the laser paper winding device further comprises a pair of supporting plates, the pair of supporting plates are fixedly connected with the inner wall of the device body, positive and negative tooth lead screws are installed in the pair of supporting plates, and the positive and negative tooth lead screws are fixedly connected with the inner wall of the device body. The outer side of the positive and negative tooth lead screw is in threaded connection with a sliding block, a pair of first limiting rods are fixedly connected between the pair of supporting plates, and the pair of first limiting rods both penetrate through the sliding block. According to the device, through the structural design of the transmission mechanism and the cleaning mechanism, when the winding roller rotates, the transmission mechanism drives the positive and negative tooth lead screw to rotate, the sliding block transversely reciprocates, then the cleaning mechanism is driven to operate, the cleaning mechanism blows air in the dust removal box to the surface of the laser paper, dust is effectively removed, and the cleanliness of the laser paper is remarkably improved.

This utility model discloses a simple, tiltable flap gate with a movable pipe opening, relating to the field of valve technology. The utility model includes a drain pipe with a base mounted on its surface and a door cover on one side of the drain pipe. A reset assembly is located on one side of the base, comprising fixed pulleys on the front and rear sides of the base and a steel cable sleeved on the surface of the fixed pulleys. Through the mechanical linkage design of the reset assembly, this utility model achieves an automatic reset function without external power. A counterweight is connected to the door cover via the steel cable; when the water pressure decreases, the weight of the counterweight can quickly pull the door cover closed, avoiding the failure risk of traditional electric or hydraulic flap gates due to power outages or malfunctions. The door cover adopts a structure connecting a pivot to a bracket, allowing it to rotate flexibly in a tilted state to adapt to different drainage angles, especially suitable for scenarios where the drain outlet angle changes frequently, significantly improving applicability and reliability.

The utility model discloses a kind of rubbish cleaning clamps, including connecting rod, handle, clamping mechanism and pulling mechanism, handle is set to the upper end of connecting rod, pulling mechanism includes the pull rod of cross bar and connection, pull rod slides up and down along the inside of connecting rod, clamping mechanism is set in the lower end of connecting rod, including positioning head, movable head, linkage and three groups of clamping arms, movable head is connected with linkage by first connecting rod, linkage includes fixed base, three second connecting rods and corresponding pin joint arm, pin joint arm is connected with clamping arm respectively, the lower end of each clamping arm is equipped with chuck, positioning head is equipped with guide slot inside for guiding movable head sliding, the structure can realize the synchronism of three claw clamping operation, improve clamping stability, adopt spring automatic reset mechanism to improve operating efficiency, chuck uses antiskid rubber material to enhance friction, linkage structure movement coordination, effectively solve existing rubbish clamp clamping unstable, transmission out of sync, reset inconvenient and clamping object easy to slip off and other problems.

The utility model belongs to the technical field of geological exploration, and particularly relates to a geological compass for geological mineral exploration, which comprises a compass body, a cover plate is rotatably connected to the upper surface of the compass body, a mounting groove is arranged in the center of the compass body, an annular mounting groove is arranged on the inner wall of the mounting groove close to the upper surface of the compass body, and a lens is placed in the mounting groove. A quick separation mechanism is arranged in the compass body; according to the utility model, the lens can be easily detached by arranging the quick separating mechanism, so that a copper wire on the magnetic needle is maintained and replaced, the adjusting process of the compass body is greatly simplified, the working efficiency is improved, and the automatic resetting function of the pushing block is realized through the matched use of the spring and the positioning column; the device has the advantages of being easy to maintain and replace, high in practicability, easy and convenient to operate and the like, and can meet the requirement for high-precision measurement in the geological mineral exploration field.

A tamping operation mechanism automatic reset control system comprises a slewing center frame and a longitudinal beam fixedly mounted on a tamping vehicle chassis, wherein a first crossbeam and a second crossbeam are respectively fixedly connected to both ends of the longitudinal beam, and the left and right ends of the first crossbeam and the second crossbeam are respectively connected to a left tamping frame and a right tamping frame which can be laterally extended outward by a lateral displacement driving cylinder 1; the control system also comprises a left outer tamping unit and a left inner tamping unit which can be laterally displaced on the left tamping frame by a lateral displacement driving cylinder 2, and a right outer tamping unit and a right inner tamping unit which can be laterally displaced on the right tamping frame by a lateral displacement driving cylinder 3; a controller which can control the left outer tamping unit, the left inner tamping unit, the right outer tamping unit, the right inner tamping unit, the left tamping frame, the right tamping frame and the longitudinal beam reset according to the wire lengths of a plurality of proximity switches and wire displacement sensors; the control system saves time and avoids the safety risk of personnel intrusion.

The utility model discloses a kind of down-pressing chip test auxiliary devices, it is related to chip test technical field;And the utility model includes shell, the lower surface of shell is rotatably equipped with base, the inside of shell is equipped with reset mechanism, the upper surface of shell is fixedly equipped with down-pressing mechanism, the reset mechanism includes top plate, and the inner surface of shell is slidably cooperated with top plate, the lower surface of top plate is slidably connected with multiple reset rods, the outside of multiple reset rods is all equipped with reset spring, the lower end of multiple reset rods is commonly fixedly equipped with reset plate, the upper surface of reset plate is fixedly equipped with multiple rectangular array distribution limit rods, the utility model is reset mechanism, after the automatic reset function of chip test equipment in testing is realized, the stability and accuracy of reset process are also ensured, improve the overall performance and reliability of down-pressing chip test auxiliary device.

The application discloses a bidirectional damping adjustable hydraulic damping cylinder with self-resetting function, which comprises a cylinder barrel, a gas cavity and an oil cavity arranged in the cylinder barrel, an adjusting mechanism arranged on the cylinder barrel and used for adjusting the damping cylinder, self-resetting and bidirectional locking or unidirectional locking, a pressure storage mechanism arranged on the cylinder barrel and used for storing gas pressure in the gas cavity of the cylinder barrel, and a guiding mechanism arranged on the cylinder barrel, wherein the damping cylinder is formed by integrating various valves and a piston type pressure accumulator to realize the bidirectional damping adjustable requirement of the damping cylinder and has the self-resetting function, and the damping cylinder can be locked at an arbitrary position in a unidirectional mode or an arbitrary position in a bidirectional mode to present unidirectional or bidirectional rigid characteristics, the self-resetting function of the cylinder is realized through the area ratio relationship of the two cavities, the applicability is wider, and the application space is larger.