13 results about "Screw extractor" patented technology

1. The name of the design product: hexagonal socket screw extractor. 2. The use of the design product: for extracting screw with slipping tooth. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 2.

The utility model provides a broken screw extractor, which belongs to the technical field of maintenance tools and comprises a first fixing rod. A first screw rod is fixedly mounted at the front end of the rocker; the second fixing rod is fixedly installed in the middle of the lower end face of the first fixing rod, and a device groove is formed in the second fixing rod; the upper end face and the lower end face of the fixed transverse plate are each provided with a fixed block, the outer end face of the fixed block at the upper end is fixedly provided with a fixed column, and the outer end face of the fixed block at the lower end is fixedly provided with a screw-out rod. And a second screw rod is fixedly mounted on the lower end surface of the clamping nail. According to the screw-out device, the spiral blades are arranged outside the screw-out rod, so that when the screw-out rod enters the broken screw, the screw-out rod and the broken screw form a whole, the broken screw can rotate along with rotation of the screw-out rod at the moment, and therefore the broken screw can be taken out from the threaded groove; and the original threaded hole is not damaged.

The utility model discloses a screw taking-out device, which belongs to the technical field of aeronautical manufacturing and maintenance and comprises a sleeve, a locking ring, a cylindrical rolling shaft and the like, the cross section of an inner hole of the sleeve is a triangle-like shape formed by connecting three linear sections and three arc sections at intervals, the locking ring is provided with three strip-shaped cylindrical rolling grooves, and the cylindrical rolling shaft is arranged in the cylindrical rolling grooves. And the two are combined and then placed and limited in the inner hole of the sleeve. During use, the screw rod is inserted among the three cylindrical rolling shafts in the locking ring, the outer sides of the cylindrical rolling shafts are adjacent to the arc section of the inner hole in a non-extrusion state, the sleeve is rotated, the cylindrical rolling shafts slide to the linear section of the inner hole under the friction force action of threads of the screw rod, the screw rod is clamped by the cylindrical rolling shafts, and the sleeve is continuously rotated to screw out the screw rod. When the screw rod is disassembled, torque applied to the screw rod acts on the axis of the screw rod, the screw rod is prevented from being broken in the rotating and taking-out process, the quality of a product fastened by a bolt is guaranteed, and meanwhile the disassembling work efficiency is not affected.

1. The name of the design product: screw extractor. 2. The use of the design product: for taking out or trimming the screw in the frame. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. The name of the design product: spiral material taking machine. 2. The use of the design product: the design product is used for material conveying. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

An orthopedic screw extractor device including a shaft, an end portion about a first end of the shaft for securing to a handle, and a screw extracting tip about a second end of the shaft opposite the first end. The screw extracting tip further includes a generally frustoconical shape having a side at an angle of about 5 to 15 degrees relative to a longitudinal axis of the screw extracting tip. The screw extracting tip further includes first, second and third screw threads and first, second and third flutes circumferentially spaced about the screw extracting tip and extending across an entire length of the screw extracting tip. Each of the screw threads has a lead of about 0.07 to 0.12 inches, a pitch of about 0.02 to 0.04 inches, a thread angle of about 40 to 50 degrees, and a depth of about 0.01 to 0.02 inches.

The utility model relates to the technical field of conveying equipment, and discloses a transfer conveying angle keeping mechanism which comprises a vehicle frame and a vehicle hopper, a hydraulic lifting device is arranged on the vehicle frame, a spiral material taking device is arranged in the vehicle hopper, and the left end and the right end of the spiral material taking device extend out of a left side plate and a right side plate of the vehicle hopper respectively. A rotary support is arranged on the spiral material taking device on the outer side of the car hopper left baffle, an angle adjusting device connected to the rotary support is arranged on the car frame, and a material conveying device is arranged on the rotary support. The spiral material taking device is convenient to operate and compact and reasonable in space structure, the spiral material taking device and the material conveying device are arranged to be of an integrated structure through the rotary support, installation and adjustment inconvenience caused by a traditional separation type structure is avoided, and the material conveying efficiency and accuracy are improved; and an angle adjusting device connected to the rotary support is arranged on the frame, so that the material conveying device can flexibly adjust the rotary support according to the lifting of the hopper and the position change of the discharge port.

The utility model provides a broken wire extractor which comprises a connecting rod, one end of the connecting rod is provided with a broken wire extracting conical head, the other end of the connecting rod is cut to form a connecting seat, the surface of the broken wire extracting conical head is provided with a plurality of spiral grooves with different tapers in the length direction of the broken wire extracting conical head, the spiral directions of the spiral grooves are the same, and the connecting seat is connected with the connecting rod. And the distances between every two adjacent spiral grooves are the same. According to the broken wire extractor provided by the utility model, a plurality of spiral grooves with different tapers are formed in the surface of the broken wire extracting conical head along the length direction of the broken wire extracting conical head, so that the phenomenon of wire slipping or excessive drilling between the broken wire extracting conical head and a hole punched in a broken wire can be effectively avoided, and the success rate of extracting the broken wire is greatly improved; the tip is arranged, so that the broken screw extractor can be used for being matched with a hammer head to make a center mark in the middle of the broken section of the broken screw during use, a user does not need to find a tool for making the center mark, and great convenience is brought to the user.

A feeding scale screw extractor comprises a fixing rod, a limiting disc is arranged at the tail end of the fixing rod and fixedly connected with the fixing rod, the fixing rod is sleeved with a sliding barrel, the sliding barrel can slide on the fixing rod, a connector is arranged at the front end of the fixing rod, an internal thread is arranged in the connector, and the fixing rod is sleeved with a screw. A sliding assembly is arranged on the fixed rod, the sliding assembly comprises a sliding groove, a round rod and a screw rod, an external thread is arranged on the head of the screw rod, and the fixed rod is connected and fixed by screwing an internal thread on a connector on the external thread on the screw rod. The situation that sharp friction noise generated by friction affects the health of operators is prevented, meanwhile, the use efficiency is improved, a round rod improves the force exerting mode, meanwhile, a rubber sleeve on the outer side can absorb vibration generated when a sliding barrel collides with a limiting disc, injury to the hands of the operators is reduced, and comfort is enhanced.

The utility model belongs to the technical field of medical apparatus and instruments, and concretely relates to a surgical screw extractor for orthopedics, which comprises a screw and a screw extractor body, two symmetrically arranged connecting arms are fixedly sleeved on the screw extractor body, a sliding groove penetrating through the connecting arm is formed in the top of the connecting arm, and a sliding rod is slidably connected in the sliding groove, the screw is made of titanium alloy, the screw tail cap has double-layer threads, the inner layer is a plum blossom-shaped female thread, and is suitable for a plum blossom-shaped screwdriver, the outer layer is a hexagonal male thread, and is suitable for a hexagonal hollow sleeve screwdriver, the double-layer thread design of the screw provides "double insurance", when the plum blossom thread of the inner layer slips and the screw cannot be taken out, the hexagonal hollow sleeve screwdriver can be used to take out the screw by engaging with the outer layer hexagonal thread.

1. The name of this design product: Screw extractor. 2. Purpose of this design product: used to remove damaged screws, pipes, bolts and tacks. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. Name of the product in this design: Screw Removal Machine. 2. Purpose of this design: This design is used for removing screws. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a multifunctional bearing snap spring and screw extractor which comprises a first body and a second body which are symmetrical, the first body is hinged to the second body, one end of the first body is a first clamp body, the other end of the first body is a first handle, one end of the second body is a second clamp body, and the other end of the second body is a second handle. Each of the first pincer body and the second pincer body comprises a tip part, a supporting part and a vertical part, and the supporting part is located between the tip part and the first pincer body; and the vertical part is vertically installed on the supporting part, and a butt joint seat is arranged at the joint of the vertical part and the supporting part and used for being connected with a sleeve lengthening rod. The extractor has the functions of dismounting and mounting the snap spring and the screw at the same time, the burden of carrying tools can be reduced, the working efficiency is improved, and the extractor has high universality.