Anti-skid jaw for bolt disassembly
By designing anti-slip jaws for bolt disassembly, adopting a symmetrical structure and ridge-line fixing grooves, the problem of existing tools damaging the bolt head or nut is solved, achieving higher disassembly quality and efficiency.
Patent Information
- Application Number
- CN202422586285.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Existing tools are prone to damaging the corners of the bolt head or nut when disassembling the bolt, increasing the difficulty of repair work.
A bolt disassembly anti-slip jaw is designed, which adopts a symmetrical clamping jaw and a ridge fixing groove. By improving the jaw shape, the applied torque force is dispersed, avoiding the ridges of the bolt head or nut, reducing damage.
The intact rate of bolt disassembly is improved, the difficulty of repair is reduced, and the disassembly quality and work efficiency are improved.
Smart Images
Figure CN223301597U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aviation manufacturing and maintenance, in particular to a bolt disassembly anti-slip jaw. Background Art
[0002] Aircraft maintenance often requires the use of open-end wrenches to remove bolts. When removing the bolt head or the nut securing the bolt, the tool's edge can squeeze the corners of the bolt head or nut. This damages the bolt head or nut after prolonged and repeated removal, impacting product quality and increasing the difficulty of repair work. Therefore, improvements to existing tools are needed to improve the quality of the product removed. Utility Model Content
[0003] The utility model provides a bolt disassembly anti-slip jaw, which, on the basis of ensuring the use requirements of the tool, improves the jaw shape and converts the position where the tool applies torque when disassembling the bolt head or the nut fixing the bolt, thereby improving the intactness rate of the bolt during the disassembly process and reducing the difficulty of repair.
[0004] The technical solution of this utility model:
[0005] A bolt disassembly anti-slip jaw, comprising a clamping jaw and five ridge fixing grooves;
[0006] The clamping jaws are symmetrical in structure and include four inner surfaces, defined as inner surface a, inner surface b, inner surface c, and inner surface d. The front end of the clamping jaws is an open structure, wherein inner surface a and inner surface b are close to the opening and are parallel to each other. The angle formed by the intersection of inner surface c and inner surface d is 120°, and inner surface c intersects with the inner end of inner surface a, and inner surface d intersects with the inner end of inner surface b, and the angles at the intersections are both 120°.
[0007] The five corrugation fixing grooves are located on the inner surface of the clamping jaws, of which three corrugation fixing grooves are arranged at the inner corners of the jaws, that is, the intersection of two adjacent inner surfaces, and the other two corrugation fixing grooves are respectively arranged on the inner surface a and the inner surface b; the four inner surfaces of the clamping jaws jointly clamp the four edges of the hexagonal nut, and five of the edges of the hexagonal nut are respectively clamped in the five corrugation fixing grooves.
[0008] The lengths of the inner surface c and the inner surface d are equal and slightly larger than the side length of the hexagonal nut; the lengths of the inner surface a and the inner surface b are equal and larger than the lengths of the inner surface c and the inner surface d; the length of the corrugation fixing groove on the inner surface a from the inner surface c and the length of the corrugation fixing groove on the inner surface b from the inner surface d are equal and both are equal to the lengths of the inner surface c and the inner surface d.
[0009] Beneficial effects of the utility model:
[0010] (1) The utility model adopts an integrated structure, which is easy to use. When in use, it can effectively prevent the head of the bolt to be disassembled or the ridge line of the nut fixing the bolt from being damaged, thereby improving the disassembly quality and work efficiency.
[0011] (2) The processing method of the utility model is simple, the precision requirement is not high, and it is suitable for production. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 A schematic diagram (1) of a ridge fixing groove for a bolt-disassembled anti-slip jaw is provided.
[0013] Figure 2 A schematic diagram (2) of a ridge fixing groove for a bolt-disassembled anti-slip jaw is provided.
[0014] Figure 3 This is a three-dimensional schematic diagram of a bolt-disassembly anti-slip jaw.
[0015] Figure 4 This is a schematic diagram of the force applied to the bolt head or the nut fixing the bolt during ordinary jaw disassembly operation.
[0016] Figure 5 The present invention is a schematic diagram of the force applied to the bolt head or the nut fixing the bolt when operating a bolt disassembly anti-slip jaw.
[0017] Figure 6 Schematic diagram of the positions of the four clamping jaws.
[0018] In the figure: 1-clamping jaws, 2-corrugation fixing groove; M-the position of the corrugation fixing groove at the inner corner of the jaws; N-the position of the corrugation fixing groove at the inner surface of the jaws. DETAILED DESCRIPTION
[0019] The following further explains the specific implementation of the present invention in conjunction with the examples and drawings, but is not intended to limit the present invention.
[0020] This embodiment provides a bolt disassembly anti-slip jaw, such as Figure 3 As shown, it includes a clamping jaw 1 and five corrugation fixing grooves 2, wherein the five corrugation fixing grooves 2 are located on the inner surface of the clamping jaw 1.
[0021] like Figure 6As shown, the clamping jaws are of a symmetrical structure and include four inner surfaces, which are defined as inner surface a, inner surface b, inner surface c, and inner surface d. The front end of the clamping jaws is an open structure, wherein inner surface a and inner surface b are close to the opening and are parallel to each other. The angle formed by the intersection of inner surface c and inner surface d is 120°, and inner surface c intersects with the inner end of inner surface a, and inner surface d intersects with the inner end of inner surface b, and the angles at the intersections are both 120°.
[0022] Furthermore, according to the actual use of the tool, in order to better prevent the damage of the bolt head or the nut fixing the bolt, and at the same time ensure the structural strength of the tool, the three ridge fixing grooves 2 are arranged according to Figure 1 The positions are respectively set at the inner corners of the jaws. In addition, according to the size of the jaws, the other two ridge line fixing grooves 2 are set Figure 2 The positions of points B and E are shown in the figure. According to the actual use of the tool, set AC = FD, AB = FE, BC = ED = CG = GD, and 2AB = BC. The cross-sectional radius of the corrugated wire fixing groove 2 is one twentieth of the length of BC. The actual final overall effect is as follows Figure 3 shown.
[0023] When the operator uses ordinary pliers to decompose the bolt head or the nut of the fixed bolt, the force concentration point of the bolt head or the nut of the fixed bolt is as follows: Figure 4 The location of the middle triangle; when the operator uses the bolt disassembly anti-slip jaws to disassemble the bolt head or the nut of the fixed bolt, the force concentration point of the bolt head or the nut of the fixed bolt is as follows: Figure 5 The middle triangle is located in the right position, so the bolt disassembly anti-slip jaws can distribute the force applied during disassembly more dispersedly to the side surface of the bolt head to be disassembled or the nut of the fixing bolt, while avoiding the ridge line of the bolt head or the fixing bolt, reducing damage to the bolt head or the nut of the fixing bolt.
Claims
1. A bolt disassembly anti-slip jaw, characterized in that: The bolt disassembly anti-slip jaws include a clamping jaw and five ridge fixing grooves; The clamping jaws are symmetrical in structure and include four inner surfaces, defined as inner surface a, inner surface b, inner surface c, and inner surface d. The front end of the clamping jaws is an open structure, wherein inner surface a and inner surface b are close to the opening and are parallel to each other. The angle formed by the intersection of inner surface c and inner surface d is 120°, and inner surface c intersects with the inner end of inner surface a, and inner surface d intersects with the inner end of inner surface b, and the angles at the intersections are both 120°. The five corrugation fixing grooves are located on the inner surface of the clamping jaws, of which three corrugation fixing grooves are arranged at the inner corners of the jaws, that is, the intersection of two adjacent inner surfaces, and the other two corrugation fixing grooves are respectively arranged on the inner surface a and the inner surface b; the four inner surfaces of the clamping jaws jointly clamp the four edges of the hexagonal nut, and five of the edges of the hexagonal nut are respectively clamped in the five corrugation fixing grooves.
2. The bolt disassembly anti-slip jaws according to claim 1, characterized in that: The lengths of the inner surface c and the inner surface d are equal and slightly larger than the side length of the hexagonal nut; the lengths of the inner surface a and the inner surface b are equal and larger than the lengths of the inner surface c and the inner surface d; the length of the corrugation fixing groove on the inner surface a from the inner surface c and the length of the corrugation fixing groove on the inner surface b from the inner surface d are equal and both are equal to the lengths of the inner surface c and the inner surface d.