12results about How to "Control the moving distance" patented technology

This invention relates to the technical field of liquid cooling systems, and more particularly to a flow blocking mechanism, a thermally adaptive flow regulation device, and a method. The device includes a temperature control component comprising a heated element that deforms with temperature changes and a driving element that sets the deformation direction of the heated element, the free end of the driving element forming a driving surface; and an adjustment component, fitted to the free end of the driving element, comprising a regulator, the sidewall of which has a lifting surface that mates with the driving surface, the tail end of which extends into the medium pipe to form a blockage. This flow blocking mechanism, thermally adaptive flow regulation device, and method utilize the deformation of the heated element due to temperature changes to control the movement of the driving element along the deformation direction of the heated element, thereby moving the regulator and changing the flow cross-section of the medium pipe to achieve automatic flow regulation with temperature changes.

The application is suitable for the field of connecting pieces, and provides a building assembly type invisible prefabricated connecting piece, which comprises connecting piece one, connecting piece two, connecting piece three and a positioning guide rod; the connecting piece one and the connecting piece two are butted through the positioning guide rod, and a certain space is reserved at the butt joint position of the end faces of the connecting piece one and the connecting piece two; the connecting piece three is slidably arranged in the connecting piece one and the connecting piece two, and the two ends of the connecting piece three are connected with the interiors of the connecting piece one and the connecting piece two respectively; a functional hole for inserting a crowbar into the interior of the connecting piece one and for grouting is formed in the top of the connecting piece one. The application is fast and convenient in production and installation process, does not need a large number of form supports and avoids the use of a large number of steels and the complicated binding process, saves materials and costs, reduces the on-site wet work and shortens the construction period. The equipment structure is simple, and the assembly and installation of the prefabricated beam and the prefabricated column are fast and convenient.

The utility model provides a micro-fluidic electromagnetic valve capable of accurately regulating and controlling the flow of a vacuum pump, which relates to the technical field of electromagnetic valves and comprises a valve body, a protective shell fixedly mounted at the top of the valve body, a coil arranged on the inner wall of the protective shell, an iron plate fixedly mounted on the top surface in the protective shell, and a first spring fixedly mounted at the bottom of the iron plate. A valve element is fixedly installed at the bottom of the first spring. During use, a worker rotates a grip, the grip drives a threaded rod to rotate, the threaded rod moves along a threaded hole, a limiting rod enters a protective shell, then the worker electrifies a coil, when current passes through the coil, a magnetic field is generated, the acting force of the magnetic field drives an iron valve element to move, the valve element ascends, a first spring is compressed, and the valve element is driven to move. When the top of the valve element makes contact with the limiting rod, the valve element stops moving, and therefore a worker can control the position of the limiting rod in the protective shell, the moving distance of the valve element is controlled, and flow adjustment can be completed.

The utility model belongs to the technical field of space ring part machining, and particularly discloses a clamping tool for separating an inner mold core and an outer mold core, which comprises a clamping table, a clamping assembly is arranged in the clamping table, and the clamping assembly comprises a driving part and a clamping part; the driving part is used for driving the clamping part to clamp the inner and outer mold cores; the clamping component comprises L-shaped plates, the number of the L-shaped plates is two, the bottoms of the two L-shaped plates are both fixedly connected with connecting rods, and a sliding groove is formed in the clamping table. Through the arrangement of the clamping assembly, the moving distance and the clamping force of the clamping plates can be accurately controlled, a worm gear and a worm have the self-locking characteristic, and the clamping effect is good. Fine adjustment can be achieved, the stable state can be kept after clamping, the situation that a mold core is loosened or damaged due to unstable clamping force in the separation process is effectively avoided, and the safety and reliability of separation operation are improved.

The utility model relates to the technical field of theft prevention, and particularly discloses a stay wire anti-theft device which comprises a lock body, a spring bolt and a stay wire adjusting assembly, the lock body is fixedly arranged on a first anti-theft object, a locking cavity is vertically formed in the lock body, a sliding cavity and an installation cavity are transversely formed in the two sides of the locking cavity in a penetrating mode respectively, and the sliding cavity and the installation cavity are arranged in an up-down staggered mode. The end portions of the two anti-theft objects penetrate through the end face of the locking cavity, a spring bolt is installed in the installation cavity in a matched mode, one end of the spring bolt is fixed to a second anti-theft object locked with the first anti-theft object in a matched mode, and the other end of the spring bolt can penetrate through the installation cavity and extend into the locking cavity; the stay wire adjusting assembly comprises a limiting block, a stay wire, a pushing block and a clamping block, the limiting block is clamped at the opening of the sliding cavity, one end of the stay wire penetrates through the limiting block and then extends out to be connected with the pushing block, and the other end of the stay wire is connected with the driving mechanism. According to the anti-theft device, the first anti-theft object and the second anti-theft object can be mutually locked or detached, and locking or unlocking of the device is achieved by controlling the pull wire through the driving mechanism.

The yarn storage frame of the sizing and dyeing combination machine comprises a frame body, a mounting frame is arranged on the lower side of the interior of the frame body, the upper end of the frame body and the upper end of the mounting frame are rotationally connected with a first conveying roller and a second conveying roller correspondingly, and the yarn storage frame further comprises an adjusting mechanism and a protection mechanism; the adjusting mechanism comprises connecting rods, gears and rack plates, the rack plates are arranged at the four corners in the frame body respectively, the connecting rods are arranged on the upper side of the mounting frame, the gears are arranged on the left sides and the right sides of the outer arc faces of the two sets of connecting rods, and the four sets of gears are connected with the longitudinally adjacent rack plates in an engaged mode respectively; the protection mechanism is arranged at the upper end of the frame body and further comprises a controller, the controller is located outside the frame body, the input end of the controller is electrically connected with an external power source, the yarn storage frame of the sizing and dyeing combination machine solves the problem of slow sinking caused by sudden internal leakage of an oil cylinder, good protection is provided for equipment and an operator, and the service life of the yarn storage frame is prolonged. And the quality and the yield of products are also ensured.

This utility model discloses a depth-limiting sheath assembly for endoscopic-assisted anterior cervical surgery, comprising an outer sheath and an inner sheath, the inner sheath being inside the outer sheath. The outer sheath has a depth-limiting locking block at its tip, which, during operation, can be locked in front of the cervical vertebrae to limit the depth of the sheath and endoscope. One end of the outer sheath is fixedly connected to a receiving cavity, and a pressure block is disposed within the receiving cavity. One end of the pressure block is connected to the receiving cavity via a first spring, and the pressure block is slidably connected to the receiving cavity. This utility model provides a depth-limiting sheath assembly for endoscopic-assisted anterior cervical surgery, which, through the relative movement of the spring-loaded pressure block between the endoscope and the sheath, limits the depth and allows for relative adjustment of the endoscope's position, facilitating observation of the intervertebral discs.

The utility model discloses a quality detection device for breeding net, including bottom plate, bi-directional screw, drive motor, connecting piece and pulling piece, drive motor is installed on the right side of bottom plate, bi-directional screw is movably connected inside bottom plate. According to the utility model, by arranging the after-detection winding mechanism, after the quality detection of the culture net is completed, the culture net is positioned between the two winding rods, the winding motor is started, the output end of the winding motor drives the rotating block to rotate, the winding rods on the rotating block synchronously rotate along with the rotating block, one end of the detected culture net is fixed on the winding rods, and the detection of the quality of the culture net is completed. And along with rotation of the winding rod, the breeding net starts to be wound on the winding rod, automatic winding is achieved, the winding time after detection is greatly shortened, the detection efficiency is remarkably improved, and the problems that when a detection device is applied, a rope net winding function is lacked, after detection is completed, the rope net needs to be manually wound, and a large amount of time is consumed are solved.

The present application relates to the technical field of workpiece positioning, and particularly relates to a teleoperation tool tensioning mechanism. The technical scheme comprises: a rotating head is arranged at the top end of a support frame, and a cable rack is arranged on one side; a manual pin is arranged on the frame through a sliding block and a sliding rail, and a T-shaped handle is connected to the tail end; two symmetrically distributed tightening mechanisms are arranged on the frame; symmetrically distributed side modules are arranged on both sides, and the side modules comprise a push plate, a profiling block and a first driving unit, the first driving unit drives the push plate to slide so that the profiling block is attached to the workpiece; the tightening mechanism comprises a second driving unit, a transmission unit and an expansion unit, the second driving unit drives the expansion unit to be clamped into a compression sleeve through the transmission unit; the profiling block and the expansion unit are limited by clamping force, and the manual pin is inserted into a verification hole to verify the installation of the workpiece. Through the cooperation of multiple mechanisms, the present application realizes efficient and accurate positioning and tensioning of the workpiece, improves the assembly efficiency and quality, and has significant practical value and popularization prospect.

The utility model belongs to building equipment technical field, specifically disclose a built -in type steel pouring mold of concrete column, including the cavity, the cavity's outer wall is opened the butt joint groove symmetry, the cavity's outer wall is fixedly installed with the locating cylinder, the locating cylinder's outside is provided with the rotating cylinder, the locating cylinder's outer wall symmetry is slidingly inserted with the plug -in board, the plug -in board's end is fixedly connected with the closing block, the rotating cylinder's inner wall is provided with the poking reset component, the poking reset component includes the drive block symmetry fixed on the rotating cylinder inner wall, the drive block bottom is opened the arc slot, the plug -in board other end is fixedly connected with the plug -in rod, and the plug -in rod is inserted into the arc slot, only need to make the plug -in board close or far away from the locating cylinder in the forward rotation and the reverse rotation rotating cylinder, and then complete the closing and the unblocking of butt joint groove, compared with prior art, the structure does not need to change the structure frequently, and the force required when rotating the cylinder in the forward direction and in the reverse direction is consistent.

The utility model discloses a carriage body expanding mechanism which comprises a transmission mechanism and a sliding mechanism, the transmission mechanism comprises a motor fixedly arranged on the bottom wall of a carriage body, a mounting base, a transmission shaft fixedly arranged at the driving end of the motor and a transmission rack penetrating through and arranged on the mounting base in a sliding mode, and the transmission shaft and the transmission rack are perpendicular to each other. A transmission gear is fixedly arranged on the transmission shaft and meshed with the transmission rack, and a connecting base is fixedly arranged at one end of the transmission rack and used for being fixedly connected to an expansion cabin side plate. The sliding mechanism is also arranged on the bottom wall of the compartment body, and the expansion cabin side plate is fixed to the sliding end of the sliding mechanism. The space occupied by the expansion mechanism can be effectively reduced, and the internal use space height is increased.

The invention relates to the technical field of wheel abrasion detection, and particularly discloses a wheel harmonic abrasion detection device, which comprises a detection machine structure, a wheel structure and a detection mechanism, the two laser instrument bodies are movably arranged on the two side surfaces of the detection machine structure respectively; the adjusting mechanisms are installed on the two side faces of the detection machine structure and used for adjusting the position of the laser instrument body; according to the device, the first translation mechanism, the second translation mechanism and the third translation mechanism are arranged, so that the laser instrument body can be driven to move up and down, left and right, and front and back at will, and therefore, the laser instrument body can carry out harmonic abrasion detection on wheel structures of different models; and the movement distance of the laser instrument body can be accurately controlled, so that the laser instrument can be accurately adjusted to a certain position for measurement during batch detection.