9 results about "Breaking nails" patented technology

The utility model relates to an invisible car stopping tire puncturing device which comprises a nail containing box, a nail coiling shaft and a nail chain. The nail coiling shaft is rotationally installed in the nail containing box, the nail chain is wound on the nail coiling shaft, and tire breaking nails are arranged on the nail chain at intervals; the telescopic device comprises a telescopic device shell, a rotating shaft and a telescopic belt, the rotating shaft is rotatably mounted in the telescopic device shell, the telescopic belt is wound on the rotating shaft, one end of the telescopic belt is fixedly connected with the rotating shaft, and the other end of the telescopic belt extends out of the opening of the telescopic device shell and is connected with the free end of the nail chain. During non-security operation, the nail chain is in a retraction state, and the nail chain is wound on the nail winding shaft and retracts into the nail containing box; and a telescopic belt of the telescopic device is in an extending state. During security and protection operation, the nail chain is pulled out of the nail containing box through retraction of the telescopic belt of the telescopic device, the nail chain is transversely arranged on a road, passing vehicles are blocked, and once a vehicle breaks through the nail chain and tires roll over the nail chain, the tire breaking nails on the nail chain can pierce the tires and quickly deflate the tires, so that the driving capability of the vehicle is lost.

This utility model discloses a long-lasting and stable garden ground cover fixing device, relating to the gardening field. It includes a soil-breaking nail, with an outer rod fixedly connected to its top. The inner wall of the outer rod has an outer rod groove and a threaded groove. A limit plate is fixedly connected to the top of the outer rod. A screw thread is threaded into the inner wall of the outer rod via the threaded groove. An inner rod is fixedly connected to the threaded outer wall. The inner rod has an inner rod groove. A torsion shaft is fixedly connected to the top of the inner rod, and a knob is fixedly connected to the top of the torsion shaft. The outer rod groove is rectangular, and there are four outer rod grooves evenly distributed on the inner wall of the outer rod. This utility model allows the garden ground cover to be fixed in various soil types by turning the knob to change the opening and closing state of the inner and outer rod grooves.

The utility model discloses a sleeve structure for cutting off a cast-in-place pile head, and belongs to the technical field of cast-in-place pile head cutting, the sleeve structure comprises steel bars and an annular isolation plate, the lower surface of the annular isolation plate is provided with a plurality of insertion holes matched with the steel bars, and the upper surface of the annular isolation plate is fixedly provided with a plurality of flanges; by arranging the annular isolation plate, a horizontal isolation face can be formed at the joint of the invalid pile head and the effective pile body and used for positioning the position of the invalid pile head, the follow-up construction difficulty can be reduced, the periphery of each steel bar is sleeved with a sleeve, poured concrete can be prevented from making direct contact with the steel bars, and therefore when the pile is broken, the construction efficiency is improved. The pile head formed by over-grouting part concrete is conveniently and rapidly separated from the reinforcing steel bar, the inserting position of the breaking nail is limited by arranging the positioning block, the breaking nail is prevented from making contact with the reinforcing steel bar, and it is guaranteed that when a worker cuts off the pile head of the grouting pile, the pile body concrete and the reinforcing steel bar cannot be damaged.

The utility model relates to surgical instrument technical field especially relates to a kind of orthopedics broken nail taking-out device, specifically includes: annular sleeve and locking strip, annular sleeve lower end is provided with sawtooth, and the inner wall of annular sleeve is recessed strip-shaped recess;The main part of locking strip can be inserted into strip-shaped recess, and can move in strip-shaped recess, and locking portion is located in strip-shaped recess outside, in the cavity of annular sleeve. Through annular sleeve rotation, the sawtooth of annular sleeve lower end can cut into bone, then locking strip is inserted into strip-shaped recess, and the locking portion of locking strip is embedded in the thread of broken nail, annular sleeve is rotated, and broken nail is rotated by locking strip, to be taken out from bone. The orthopedics broken nail taking-out device disclosed in the utility model, annular sleeve only needs to destroy the small area bone around broken nail, to take out broken nail, solve the problem that the bone around broken nail is more serious in prior art due to the blunt and large occlusion of broken nail forceps, tiger forceps, wire ligature forceps, so that the broken nail around the bone is more serious.

The utility model discloses a kind of plastic particle low-temperature drying devices, it is related to plastic particle low-temperature drying technical field, including drying cabinet, the one end of drying cabinet is connected with feed tank, rotating roller is rotatably installed in feed tank interior, rotating roller is connected with the output end of rotating motor, fixedly set on the circumferential side of rotating roller has scraper, scraper is equidistantly provided with paddle, perforation is set in the bottom of feed tank, the bottom of feed tank is fixedly set with broken nail, broken nail and perforation are staggered, scraper is between two adjacent broken nails.This utility model is rotated by rotating roller in feed tank drive scraper and paddle, scraper is scraped to broken nail area in the process of rotation, particle will be blocked, fragmented by broken nail, force is scattered into smaller particle group or single particle by agglomerated particle, so that pre-crushing is completed before entering drying cabinet, so that particle has good dispersibility when entering drying link.

The utility model belongs to the technical field of medical instruments, and particularly relates to a simple broken nail extractor which comprises a handle, the outer surface of the handle is fixedly connected with a plurality of equidistantly distributed anti-skid convex points, the middle of the lower side of the outer surface of the handle is fixedly connected with a fixing rod, and the lower portion of the fixing rod is fixedly connected with a clamping section. The upper portion of the outer surface of the clamping section is in threaded connection with a tightening cap, and the lower portion of the inner surface of the clamping section is in threaded connection with a drilling head. By arranging the independent drilling head, when the broken nail is taken out, the drilling head can be connected with the clamping section, then the drilling head is attached to the bone surface of the nail taking position, drilling operation can be conducted by rotating the device, the drilling head in the device is of a closed annular structure, no separation gap exists between the drilling head and the closed annular structure, and when drilling operation is conducted, the broken nail can be taken out conveniently. The probability of blockage with bones can be reduced, and the efficiency of nail taking operation can be improved.

The invention provides a tightening type clamping broken nail extractor for the orthopedics department, and relates to the technical field of medical instruments. The small-diameter broken nail taking-out device mainly comprises a rack, a sleeve, a screw rod, a plug rod, a connecting piece, a mandrel, a rotation stopping pin and a fastening nut, the sleeve is in threaded fit with the screw rod, rotation motion of the screw rod is converted into linear motion of the mandrel, meanwhile, a broken nail is clamped by a tightening claw, and the purpose of taking out a small-diameter broken nail is achieved. Through modular design, the operation process is simplified, the clamping stability is enhanced, meanwhile, the diameter of a working area is reduced by utilizing material elasticity and adopting a shrinkage clamping method, secondary damage to a wound of a patient is reduced, and the nail taking-out device is suitable for efficiently taking out small-diameter broken nails in the orthopedic surgery.

The application discloses an emergency window breaker system and a vehicle door system, and relates to the technical field of vehicle safety equipment. The emergency window breaker system comprises a window breaker body, a pull wire combination and an inner opening handle. The window breaker body comprises a shell, a window breaking nail, a stop pin and an elastic piece. The shell is provided with a working cavity, a nail hole and a pin hole. The window breaking nail is in contact with the elastic piece and penetrates the nail hole. The stop pin limits the window breaking nail. The window breaker body is fixed to a vehicle door sheet metal. The pull wire combination connects the stop pin and the inner opening handle on the door guard handrail. In a normal state, the elastic piece stores energy. When the inner opening handle is pulled, the pull wire drives the stop pin to release the limit, and the elastic piece drives the window breaking nail to impact the glass to break the window. The application solves the problems of traditional window breaking equipment, such as easy displacement and complicated operation. The application is simple to operate and quick to break the window. After the vehicle door system is integrated, the compatibility is high, and the safety of the vehicle is improved.

The application relates to the technical field of agricultural machinery, in particular to a small-sized soil crushing and stone picking integrated equipment, which comprises a shell, a top cover plate detachably arranged at the upper end of the shell, an installation platform arranged in the shell, a quick soil crushing mechanism arranged on the installation platform, a moving and scraping mechanism arranged in the shell and on the right side of the shell, a soil block conveying mechanism arranged at the lower end of the installation platform, a stone block sorting mechanism arranged on the right side of the soil block conveying mechanism, a power driving mechanism arranged on the shell, and an installation circular groove and an elliptical through groove arranged on the installation platform. The quick soil crushing mechanism is arranged, the movable vertical rod and the soil breaking nail plate are matched with each other, the hardening soil layer can be automatically and quickly broken, the cleaning scraper can automatically push the soil adhered to the surface of the metal convex column during the breaking process, the soil is prevented from being accumulated at the lower end of the soil breaking nail plate and affecting the use, and manual operation of the staff is not needed.