Dimension-adjustable dismounting device
An adjustable thin-walled wrench with adjustable ends and hexagonal holes addresses the challenge of disassembling specialized nuts, ensuring secure and efficient disassembly without damage, thereby improving production efficiency and quality.
Patent Information
- Application Number
- CN202421770830.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-24
AI Technical Summary
In the maintenance of airborne finished products or civil equipment products, the lack of special tools makes it difficult to disassemble and assemble the thin hexagonal nuts and special-shaped nuts, which can easily damage parts and affect production progress.
An adjustable size disassembly and assembly device is designed, including a plate-shaped wrench and multiple locking screws. The adjustable locking of sheet hexagonal nuts and special-shaped nuts is achieved through U-shaped and V-shaped opening structures. It is made of 45# steel, with a thickness of 5mm-6mm, and the surface is galvanized to prevent corrosion. Hexagonal holes are provided for easy disassembly and assembly.
It realizes flexible disassembly and assemble different sizes of hexagonal nuts and special-shaped nuts to avoid damage to parts and improves production efficiency and product quality.
Smart Images
Figure CN223099078U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of product maintenance, and particularly relates to an adjustable-size disassembly and assembly device for disassembling and assembling thin-sheet hexagon nuts, special-shaped nuts or fastening thin-sheet hexagon nuts and special-shaped nuts of aircraft or civil equipment products. Background Technique
[0002] In the maintenance of airborne finished products or civil equipment products, special or customized special tooling is often required, which directly affects the production progress. Using general tools or other substitute tools and tooling temporarily cannot achieve the purpose of disassembly and assembly, and affects the product quality and even causes the scrapping of product parts. During the disassembly and assembly process of many product parts, some special parts such as thin-sheet hexagon nuts and special-shaped nuts are often encountered, and general tools cannot be used for smooth disassembly and assembly. Using general tooling, if not careful, the parts will be damaged and the entire component will be scrapped.
[0003] In the case of lack of special or dedicated disassembly and assembly tools, due to the diversity of product components and the variety of component specifications, it directly affects the production progress during the maintenance process. To solve the actual problems in production, a kind of adjustable thin-wall wrench is specially made. Content of the Utility Model
[0004] 1. Technical Problem to be Solved
[0005] The utility model overcomes the defects and deficiencies in the prior art and provides an adjustable thin-wall wrench.
[0006] 2. Technical Solution
[0007] An adjustable-size disassembly and assembly device as Figure 1 shown, including a first locking screw 1, a second locking screw 2, a third locking screw 3, a fourth locking screw 4, and a plate-shaped wrench 5; one end of the plate-shaped wrench 5 is a U-shaped opening with a semi-circular arc and two parallel sides, and threaded holes are provided on both sides of the U-shaped opening. The first locking screw 1 and the second locking screw 2 are respectively used to lock the first locking nut after passing through the threaded holes. The other end of the plate-shaped wrench 5 is a V-shaped opening with two parallel sides, and threaded holes are provided on both sides of the V-shaped opening. The third locking screw 3 and the fourth locking screw 4 are respectively used to lock the second locking nut after passing through the threaded holes.
[0008] Furthermore, the adjustable thin-wall wrench is of a plate-shaped structure, and its thickness should be greater than the diameter of the locking screw.
[0009] Furthermore, the thickness of the adjustable thin-wall wrench is specifically 5 mm - 6 mm.
[0010] Furthermore, the adjustable thin-wall wrench is made of 45# steel.
[0011] Further, an arc-shaped structure is provided in the middle of the adjustable thin-walled wrench, which is more conducive to hand-holding operation and convenient for applying force.
[0012] Further, a hexagonal hole is provided on the adjustable thin-walled wrench, which is convenient for disassembling and assembling screws and nuts.
[0013] Further, several of the hexagonal holes are evenly distributed in the middle of the adjustable thin-walled wrench.
[0014] Further, the surface of the plate-shaped wrench is galvanized to prevent corrosion and rust.
[0015] Further, the diameter of the U-shaped opening working end is equal to 2 times the diameter of the V-shaped opening working end.
[0016] Technical Effects
[0017] The beneficial effects of the present utility model are as follows: simple structure and good versatility; the two ends of the wrench adopt adjustable and fixed-point methods, which are convenient, fast, fixed reliably without damaging parts, the size can be freely controlled, flexible and reliable, and it is a multi-purpose tool with certain practical value and promotion value. Brief Description of the Drawings
[0018] The present utility model includes 1 drawing, and the drawing and its description are as follows:
[0019] Figure 1 It is an external view of the adjustable thin-walled wrench; Detailed Embodiments
[0020] The disassembly and assembly device with adjustable size is as Figure 1 shown, including a first locking screw 1, a second locking screw 2, a third locking screw 3, a fourth locking screw 4, and a plate-shaped wrench 5; one end of the plate-shaped wrench 5 is a U-shaped opening with a semi-circular arc and two parallel sides, and threaded holes are provided on both sides of the U-shaped opening. The first locking screw 1 and the second locking screw 2 are respectively used to lock the first locking nut after passing through the threaded holes. The other end of the plate-shaped wrench 5 is a V-shaped opening with two parallel sides, and threaded holes are provided on both sides of the V-shaped opening. The third locking screw 3 and the fourth locking screw 4 are respectively used to lock the second locking nut after passing through the threaded holes.
[0021] In the embodiment of the present utility model, the adjustable thin-walled wrench is of a plate-shaped structure, and its thickness should be greater than the diameter of the locking screw.
[0022] In the embodiment of the present utility model, the thickness of the adjustable thin-walled wrench is specifically 5 mm - 6 mm.
[0023] In the embodiment of the present utility model, the adjustable thin-walled wrench is made of 45# steel.
[0024] In an embodiment of the present utility model, an arc structure is provided in the middle of the adjustable thin-wall wrench, and the arc structure is more conducive to hand-held operation and convenient for applying force.
[0025] In an embodiment of the present utility model, a hexagonal hole is provided on the adjustable thin-wall wrench, which is convenient for disassembling and assembling screws and nuts.
[0026] In an embodiment of the present utility model, several of the hexagonal holes are evenly distributed in the middle of the adjustable thin-wall wrench.
[0027] In an embodiment of the present utility model, the surface is galvanized to prevent corrosion and rust.
[0028] In an embodiment of the present utility model, the diameter of the U-shaped opening working end is equal to 2 times the diameter of the V-shaped opening working end.
[0029] One end of the adjustable thin-wall wrench is an open U-shaped adjustable fastening screw wrench with a semi-circular arc and two parallel sides. The semi-circular arc has a diameter of 40 mm and an angle of 180°. The other end of the wrench is an open V-shaped adjustable fastening screw wrench with two parallel sides. The arc of the wrench head is about 180° - 200° and the diameter is about 20 mm.
[0030] For the adjustable fastening screw wrench, after drilling and tapping the threads in the two parallel sides, screws are installed for screwing in or out; the other end is an open V-shaped adjustable fastening screw wrench with two parallel sides. After drilling and tapping the threads in the two parallel sides, screws are installed for screwing in or out.
[0031] When using the open U-shaped adjustable fastening screw wrench with a semi-circular arc and two parallel sides at one end, it is inserted into the outer shape of the product part, and the wrench is rotated to unscrew the part; when using the open V-shaped adjustable fastening screw wrench with two parallel sides at one end, it is inserted into the outer shape of the product part, and by using the friction between the V-shaped wrench and the part, the part is unscrewed by rotating the wrench; reverse rotation can tighten. To avoid affecting the parts or devices around the fixed part, the adjustable screw at one end of the wrench is adjusted to achieve the integral combination of tightening and the nut to be disassembled and assembled for disassembly and assembly. Adjust Figure 1 the screwing-in and screwing-out depths of the shown screws, and removable and install thin hexagonal nuts and special-shaped nuts of different sizes.
[0032] Combined with the attached Figure 1 A detailed description of the adjustable thin-wall wrench is as follows:
[0033] Insert one U-shaped end of the adjustable thin-wall wrench into the outer edge of the polygonal thin-walled nut or special-shaped nut, symmetrically screw in the No. 3 and No. 4 screws to clamp the polygonal thin-walled nut and special-shaped nut, and turn the tool body 5 of the adjustable thin-wall wrench by hand to remove the nut from the product or equipment; Insert one V-shaped end of the adjustable thin-wall wrench into the outer edge of the polygonal thin-walled nut or special-shaped nut, symmetrically screw in the No. 1 and No. 2 screws to clamp the polygonal thin-walled nut and special-shaped nut, and turn the tool body 5 of the adjustable thin-wall wrench by hand to remove the nut from the product or equipment.
Claims
1. An adjustable-size disassembly and assembly device, characterized in that Including a first locking screw, a second locking screw, a third locking screw, a fourth locking screw, and a plate wrench; one end of the plate wrench is a U-shaped opening with a semi-circular arc and two parallel sides, and threaded holes are provided on both sides of the U-shaped opening. The first locking screw and the second locking screw are respectively used to lock the first locking nut after passing through the threaded holes. The other end of the plate wrench is a V-shaped opening with two parallel sides, and threaded holes are provided on both sides of the V-shaped opening. The third locking screw and the fourth locking screw are respectively used to lock the second locking nut after passing through the threaded holes.
2. The disassembling and assembling device with adjustable size according to claim 1, wherein The disassembly and assembly device is of a plate structure, and its thickness should be greater than the diameter of the locking screw.
3. The disassembling and assembling device with adjustable size according to claim 2, wherein The specific thickness of the disassembly and assembly device is 5 mm - 6 mm.
4. An adjustable-size disassembly and assembly device according to claim 3, characterized in that The disassembly and assembly device is made of 45# steel.
5. The disassembling and assembling device with adjustable size according to claim 4, characterized in that, An arc-shaped structure is provided in the middle of the disassembly and assembly device.
6. The disassembling and assembling device with adjustable size according to claim 5, wherein A hexagonal hole is provided on the disassembly and assembly device.
7. The disassembling and assembling device with adjustable size according to claim 6, characterized in that, There are several of the hexagonal holes, which are evenly distributed in the middle of the disassembly and assembly device.
8. The disassembling and assembling device with adjustable size according to claim 7, characterized in that, The surface of the plate wrench is galvanized.
9. The disassembling and assembling device with adjustable size according to claim 8, characterized in that, The working end diameter of the U-shaped opening is equal to 2 times the working end diameter of the V-shaped opening.