Graphite rotating shaft internal thread unscrewing device
By designing an internal wire opening device for graphite rotary shaft, using the combined structure of arc plate and force arm, the problem of existing tools providing large torque in a narrow space is solved, and the convenient disassembly and assembly of graphite rotary shaft is achieved, avoiding tool damage.
Patent Information
- Application Number
- CN202420930252.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-30
AI Technical Summary
When disassembling and assembling the graphite shaft, existing pipe clamp tools require a large operating space, insufficient torque, and are easily damaged, and cannot provide large torque in a narrow space, making it inconvenient to use.
A graphite rotary shaft inner wire opening device is designed, including the main arc plate and the secondary arc plate. Through the structures such as the mounting base, pin shaft, pawl and force arm, a 270-degree arc fixture can provide large torque in a small operating space.
The device is simple in structure, requires small operating space, can provide large torque, and is suitable for disassembly and assembly of workpieces such as graphite shafts, avoiding damage to graphite shafts and making it easy to use.
Smart Images
Figure CN222609487U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hardware tools, in particular to a device for unscrewing the inner thread of a graphite shaft. Background Art
[0002] At present, the opening tools for cylindrical internal threads (such as water pipes) are mainly pipe clamps of various structures. Pipe clamps are commonly used tools for disassembling and assembling water pipes. Since the size of the opening of the pipe clamp can be adjusted, it can be widely used for disassembling and assembling water pipes.
[0003] However, these pipe pliers all have the following problems: 1. They require a large operating space; 2. The torque is insufficient; 3. Local force is applied, which easily damages the workpiece. Therefore, it is impossible to disassemble and assemble the fragile graphite shaft in a small space by using a large torque, which is inconvenient to use. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a device for unscrewing the inner thread of a graphite shaft. The device has a simple structure, requires a small operating space, and can provide a large torque. The device is suitable for disassembling and assembling workpieces such as graphite shafts that require a large torque and have a small operating space. The device can avoid damage to the graphite shaft and is easy to use, and can effectively solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for unscrewing the internal thread of a graphite shaft, comprising a main arc plate, a mounting seat is provided at one end of the main arc plate, a pin is provided on the mounting seat, and the mounting seat is rotatably connected to a secondary arc plate through the pin, ratchets are provided on the main arc plate and the secondary arc plate, and a force arm is provided at the bottom of the mounting seat.
[0006] As a preferred technical solution of the present utility model, the curvature of the secondary curved plate is one hundred and eighty degrees.
[0007] As a preferred technical solution of the present utility model, the curvature of the main curved plate is ninety degrees.
[0008] As a preferred technical solution of the utility model, a screw hole is provided at the bottom of the mounting seat, a slide groove connected to the screw hole is provided at the top of the mounting seat, and a bolt is connected to the internal thread of the screw hole.
[0009] As a preferred technical solution of the utility model, a sliding block is provided inside the sliding groove for sliding up and down, and a latching tooth is provided on the top of the sliding block.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The device for unscrewing the inner thread of a graphite shaft in the example of the utility model has a simple structure, requires a small operating space, and can provide a large torque. It is suitable for disassembling and assembling workpieces such as graphite shafts that require a large torque and have a small operating space. It can avoid damage to the graphite shaft and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 It is a partial cross-sectional structural schematic diagram of the mounting seat;
[0014] Figure 3 It is a schematic diagram of the utility model when in use.
[0015] In the figure: 1 main arc plate, 2 mounting seat, 21 pin shaft, 3 secondary arc plate, 4 ratchet, 5 force arm, 6 screw hole, 61 slide groove, 7 bolt, 8 slider, 81 tooth. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-3 The utility model provides a technical solution: a device for unscrewing the inner thread of a graphite shaft, comprising a main arc plate 1, a mounting seat 2 is provided at one end of the main arc plate 1, a pin shaft 21 is provided on the mounting seat 2, and the mounting seat 2 is rotatably connected with a secondary arc plate 3 through the pin shaft 21, a pawl 4 is provided on the main arc plate 1 and the secondary arc plate 3, a force arm 5 is provided at the bottom of the mounting seat 2, the secondary arc plate 3 and the main arc plate 1 are respectively placed on both sides of the graphite shaft to be unscrewed, the power arm 5 is pulled downward to make the pawl 4 contact with the graphite shaft, and the power arm 5 is rotated counterclockwise, and the force arm 5 drives the graphite shaft to rotate through the arc plate, thereby unscrewing the graphite shaft.
[0018] Furthermore, the curvature of the secondary arc plate 3 is 180 degrees, and the curvature of the main arc plate 1 is 90 degrees. The main arc plate 1 and the secondary arc plate 3 can form a 270-degree arc clamp to clamp and fix the graphite shaft.
[0019] Furthermore, a screw hole 6 is provided at the bottom of the mounting seat 2, and a slide groove 61 connected to the screw hole 6 is provided at the top of the mounting seat 2. The internal thread of the screw hole 6 is connected with a bolt 7. A slider 8 is provided inside the slide groove 61 for sliding up and down. A latch tooth 81 is provided on the top of the slider 8. When the bolt 7 is turned, the bolt 7 pushes the slider 8 to move, and the slider 8 drives the latch tooth 81 to contact the graphite shaft, thereby completing the fixation between the arc plate and the graphite shaft, which can improve the fixing effect of the arc plate on the graphite shaft.
[0020] When using:
[0021] like Figure 3 As shown, the secondary arc plate 3 and the main arc plate 1 are respectively placed on both sides of the graphite shaft that needs to be unscrewed;
[0022] Then pull the power arm 5 downward to make the pawl 4 contact with the graphite shaft;
[0023] The bolt 7 is turned, and the bolt 7 pushes the slider 8 to move, and the slider 8 drives the latching teeth 81 to contact the graphite shaft, thereby completing the fixation between the arc plate and the graphite shaft;
[0024] Then, the force arm 5 is rotated counterclockwise, and the force arm 5 drives the graphite shaft to rotate through the arc plate, thereby unscrewing the graphite shaft.
[0025] The utility model has a simple structure, requires a small operating space, and can provide a large torque. It is suitable for the disassembly and assembly of workpieces such as graphite shafts that require a large torque and have a small operating space. It can avoid damage to the graphite shaft and is easy to use.
[0026] The undisclosed parts in the present utility model are all prior art, and their specific structures, materials and working principles are not described in detail. Although the embodiments of the present utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the attached claims and their equivalents.
Claims
1. A device for unscrewing the inner thread of a graphite shaft, comprising a main arc plate (1), characterized in that: A mounting seat (2) is provided at one end of the main arc plate (1), a pin shaft (21) is provided on the mounting seat (2), and the mounting seat (2) is rotatably connected to the secondary arc plate (3) via the pin shaft (21), a pawl (4) is provided on both the main arc plate (1) and the secondary arc plate (3), and a force arm (5) is provided at the bottom of the mounting seat (2).
2. The device for unscrewing the inner thread of a graphite shaft according to claim 1, characterized in that: The arc angle of the secondary arc plate (3) is one hundred and eighty degrees.
3. The device for unscrewing the inner thread of a graphite shaft according to claim 1, characterized in that: The main curved plate (1) has an arc angle of ninety degrees.
4. The device for unscrewing the inner thread of a graphite shaft according to claim 1, characterized in that: A screw hole (6) is provided at the bottom of the mounting seat (2), a slide groove (61) communicating with the screw hole (6) is provided at the top of the mounting seat (2), and a bolt (7) is connected to the inner thread of the screw hole (6).
5. The device for unscrewing the inner thread of a graphite shaft according to claim 4, characterized in that: A sliding block (8) is provided inside the sliding groove (61) for sliding up and down movement, and a latching tooth (81) is provided on the top of the sliding block (8).