Nut convenient to disassemble
By integrating a concealed disassembly and assembly mechanism at the bottom of the nut, the problem of requiring tools to disassemble existing fastening nuts is solved, enabling quick disassembly and tightening without tools, thus improving operational convenience and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing fastening nuts require tools to remove in confined spaces or at heights, which reduces work efficiency and increases the risk of misoperation.
The nut has a concealed disassembly and assembly mechanism integrated at the bottom, including components such as a sleeve, lead screw, and handle. Tool-free disassembly is achieved by unscrewing the positioning rod and pulling out the sleeve to unfold the lead screw. The sleeve and lead screw are adjustable in length, and a limit block prevents them from falling off.
It enables quick disassembly and tightening without tools, improving ease of operation and safety. It is suitable for various spatial occasions and meets the needs of both normal and special working conditions.
Smart Images

Figure CN224049529U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nut technical field, concretely is a nut convenient to dismantle. BACKGROUND
[0002] The nut is a kind of common mechanical parts, usually used with bolt or screw rod cooperation, fixed and fastening function is realized by internal thread, its basic structure includes a circular main body, there is a hole in the center, hole has the thread matched with bolt or screw rod, this design makes the nut can be tightened with bolt, so as to connect two or more components together, ensure the stability and safety of structure, the shape and function of nut are various, common hexagonal nut, square nut, round nut etc., wherein hexagonal nut is more common in modern application because of its hexagonal geometry, facilitate tool contact and rotation, in addition, there are special types of nuts, such as lock nut, spring washer, card type nut etc., these nuts have better lock performance in specific environment.
[0003] In prior art, in the application scenarios such as large-scale mechanical equipment, engineering structure, industrial assembly, commonly used fastening nut usually adopts traditional hexagonal shape design, needs to rely on tool such as adjustable wrench, socket wrench to assist installation and disassembly, however, in narrow space, corner part or high-altitude operation, the convenience of using tool is greatly reduced, due to frequent disassembly and replacement in part of the occasion, relying on tool disassembly not only reduces operation efficiency, but also is easy to cause work injury or misoperation risk, therefore, the existing fastening structure still has obvious structural limitation in improving quick disassembly efficiency, reducing tool dependence and realizing safe and convenient operation, and a new type of nut structure that can realize reliable fastening and quick disassembly without relying on external tool is urgently needed. UTILITY MODEL CONTENT
[0004] Therefore, the utility model discloses a nut convenient to dismantle, to solve the technical problem that commonly used fastening nut usually adopts traditional hexagonal shape design in the application scenarios such as large-scale mechanical equipment, engineering structure, industrial assembly, needs to rely on tool such as adjustable wrench, socket wrench to assist installation and disassembly.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a nut convenient to dismantle, including nut, the bottom end of the nut is fixedly connected with rectangular block, the both sides of the rectangular block are symmetrically provided with installation slot, one side of the installation slot is rotatably connected with damping pivot, the surface of the damping pivot is fixedly connected with sleeve on one side, the sleeve is located in the inside of installation slot, and the sleeve can rotate along the damping pivot to the outside of installation slot.
[0006] By adopting the technical scheme, the hidden dismounting mechanism is arranged at the bottom of the nut, and the dismounting mechanism comprises a sleeve, a screw rod, a handle and the like, is hidden in the mounting groove at the bottom of the nut normally, does not affect normal force bearing and use of the nut, when the nut needs to be dismounted or tightened, the operator only needs to rotate out the positioning rod, pull out the sleeve and expand the screw rod, so that a manual operation force applying structure is quickly formed, the nut is tightened and dismounted in a tool-free state, work convenience and efficiency are greatly improved, the adjustable length of the screw rod improves operation comfort and adaptability, is suitable for various space occasions, the limiting block is arranged to prevent the sleeve from being excessively pulled out or falling off, operation safety is ensured, the overall structure realizes multifunctional integration on the basis of not damaging the standard form of the nut, does not affect the use mode of the traditional wrench, meets normal working conditions, and can realize quick, reliable and tool-free dismounting in special scenes.
[0007] Further, the sleeve is threadedly connected with the screw rod, and the screw rod is provided with the handle at the top end.
[0008] By adopting the technical scheme, the telescopic adjusting structure is arranged between the sleeve and the screw rod, the screw rod can be extended or retracted in the sleeve, and the force applying distance is adjusted according to the actual operation space and hand posture.
[0009] Further, the screw rod and the sleeve jointly form a driving mechanism for applying external force, and the handle is provided with a pull ring on one side.
[0010] By adopting the technical scheme, the pull ring is arranged to facilitate the user to take out the dismounting mechanism from the mounting groove.
[0011] Further, the rectangular block is provided with a threaded hole symmetrically at the top end on one side, and a positioning rod is threadedly connected in the threaded hole.
[0012] By adopting the technical scheme, the positioning rod is arranged to position and fix the sleeve.
[0013] Further, the positioning rod extends into the mounting groove, and the positioning rod is located outside the sleeve.
[0014] By adopting the technical scheme, when the dismounting function needs to be used, the worker can first rotate out the positioning rod to release the blockage of the sleeve.
[0015] Further, the mounting groove is fixedly connected with a limiting block on one side of the inner wall, and the limiting block is located on one side of the damping rotating shaft.
[0016] By adopting the technical scheme, the limiting block is arranged in the structure to limit the maximum stroke of the sleeve being pulled out, prevent the sleeve from being pulled out beyond the working range or separated from the structure to cause loss and danger.
[0017] In summary, the utility model mainly has the following beneficial effects: the utility model discloses a hidden dismounting mechanism is arranged at the bottom of the nut, and the dismounting mechanism comprises a sleeve, a screw rod, a handle and other components, and is hidden in the mounting groove at the bottom of the nut normally, so that the normal stress and use of the nut are not affected, when the nut needs to be dismounted or tightened, the operator only needs to rotate the positioning rod, pull out the sleeve and expand the screw rod, so that a manual operation force applying structure can be quickly formed, the nut can be tightened and dismounted without tools, the working convenience and efficiency are greatly improved, the adjustable length of the screw rod improves the operation comfort and adaptability, is suitable for various space occasions, the limiting block prevents the sleeve from being pulled out or falling off excessively, ensures operation safety, the overall structure realizes multifunctional integration without damaging the standard form of the nut, does not affect the use mode of the traditional wrench, meets the conventional working condition, and can realize quick, reliable and tool-free dismounting in special scenes. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a first perspective overall structure schematic view of the utility model;
[0019] Figure 2 It is a second perspective overall structure schematic view of the utility model;
[0020] Figure 3 It is a partial structure sectional view of the utility model;
[0021] Figure 4 It is a partial part expansion schematic view of the utility model.
[0022] In the drawing: 1, nut;2, rectangular block;3, mounting groove;4, threaded hole;5, positioning rod;6, damping rotating shaft;7, sleeve;8, handle;9, pull ring;10, limiting block;11, screw rod. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings of the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used for explaining the utility model only, and cannot be understood as limiting the utility model.
[0024] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0025] A nut convenient to dismount, such as Figures 1-4As shown, including nut 1, nut 1 bottom fixedly connected with the rectangular block 2, rectangular block 2 both sides symmetrically provided with mounting groove 3, mounting groove 3 inside one side rotatably connected with damping shaft 6, damping shaft 6 surface one side fixedly connected with sleeve 7, sleeve 7 is located in the inside of mounting groove 3, and sleeve 7 can rotate along the damping shaft 6 to the outside of mounting groove 3, sleeve 7 is threadedly connected with lead screw 11, lead screw 11 top is provided with handle 8, specifically, sleeve 7 is connected with rectangular block 2 through damping shaft 6, has certain activity resistance, ensure that the stable state is kept in the operation process, prevent the sleeve from swinging due to gravity or vibration, the tail of the sleeve is provided with handle 8, which is convenient for personnel to hold and force, the telescopic adjusting structure is arranged between the sleeve 7 and the lead screw 11, the lead screw 11 can be extended or retracted in the sleeve, so that the force distance is adjusted according to the actual operation space and hand posture, the control comfort and torque efficiency are improved.
[0026] Please refer to Figure 1 and Figure 3 , the lead screw 11 and the sleeve 7 together form a driving mechanism for applying external force, the handle 8 is provided with a pull ring 9, the rectangular block 2 is provided with a threaded hole 4 symmetrically on one side of the top end, the threaded hole 4 is threadedly connected with a positioning rod 5, the positioning rod 5 extends into the mounting groove 3, and the positioning rod 5 is located outside the sleeve 7, specifically, when the dismounting function is needed, the worker can first rotate the positioning rod 5 out, and the sleeve 7 is removed.
[0027] Please refer to Figure 1 and Figure 2 , the inside wall of the mounting groove 3 is fixedly connected with a limiting block 10, and the limiting block 10 is located on one side of the damping shaft 6, specifically, the limiting block 10 is arranged in the structure, which is used to limit the maximum stroke of the sleeve 7 pulled out, prevent exceeding the working range or disengaging from the structure to cause loss and danger.
[0028] The working principle of the utility model is: when using, the rectangular block 2 is arranged at the bottom of the nut 1, two mounting grooves 3 are arranged in the rectangular block, which are used for hidden installation and dismounting mechanism, the positioning rod 5 is arranged in each mounting groove through the threaded hole 4, which is used for positioning and fixing the sleeve 7;
[0029] When the dismounting function is needed, the worker can first rotate the positioning rod 5 out, and the sleeve 7 is removed.
[0030] The sleeve 7 is connected with the rectangular block 2 through the damping rotating shaft 6, has certain movable resistance, ensures that a stable state is kept during operation, prevents the sleeve from swinging automatically due to gravity or vibration, the tail of the sleeve is provided with the handle 8, personnel holding force is facilitated, the telescopic adjusting structure is arranged between the sleeve 7 and the lead screw 11, the lead screw 11 can be extended or retracted in the sleeve, thereby the force distance is adjusted according to actual operation space and hand posture, and the operation comfort and the torque efficiency are improved;
[0031] When the nut 1 needs to be screwed or loosened, the staff can hold the pulled handle 8, directly acts on the sleeve 7 and drives the whole nut to rotate, realizes that installation or dismounting operation can be completed without the help of traditional wrench, greatly simplifies the operation process, is especially suitable for small space or high frequency dismounting scene, the limiting block 10 is arranged in the structure, is used for limiting the maximum stroke of the sleeve 7 to be pulled out, prevents from exceeding the working range or causing loss and danger due to disengagement structure;
[0032] After the dismounting operation is completed, the staff can retract the lead screw 11 into the sleeve, then pushes the sleeve 7 back to the installation slot 3 along the original path and is rotated into the positioning rod 5 again, is locked, thereby the storage reset of the module is realized, the integrity of the nut appearance is recovered, and the compact structure and safe use are guaranteed.
[0033] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and variation without creative contribution to the embodiments according to the needs after reading the present specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.
Claims
1. A nut for easy removal, comprising a nut (1), characterized in that: The bottom end of the nut (1) is fixedly connected with a rectangular block (2), two sides of the rectangular block (2) are symmetrically provided with a mounting groove (3), one side of the mounting groove (3) is rotatably connected with a damping rotating shaft (6), one side of the surface of the damping rotating shaft (6) is fixedly connected with a sleeve (7), the sleeve (7) is located inside the mounting groove (3), and the sleeve (7) can rotate along the damping rotating shaft (6) to the outside of the mounting groove (3).
2. The easy-to-disassemble nut of claim 1, wherein: The sleeve (7) is threadedly connected with a lead screw (11), and the top end of the lead screw (11) is provided with a handle (8).
3. The easy-off nut of claim 2, wherein: The lead screw (11) and the sleeve (7) jointly form a driving mechanism for applying external force, and one side of the handle (8) is provided with a pull ring (9).
4. The easy-off nut of claim 1, wherein: One side of the top end of the rectangular block (2) is symmetrically provided with a threaded hole (4), and the threaded hole (4) is threadedly connected with a positioning rod (5).
5. The easy-off nut of claim 4, wherein: The positioning rod (5) extends into the mounting groove (3), and the positioning rod (5) is located outside the sleeve (7).
6. The easy-to-disassemble nut of claim 1, wherein: One side of the inner wall of the mounting groove (3) is fixedly connected with a limiting block (10), and the limiting block (10) is located on one side of the damping rotating shaft (6).