Anti-disassembly type locking bolt

Abstract

The utility model discloses an anti-dismantle type locking bolt which comprises a screw rod and a screw cap, the top end of the screw rod is fixedly connected with the screw cap, a sealing end cover is connected to the top side of the screw cap in an embedded mode, operation notches are formed in the edges of the bottom side of the sealing end cover respectively, and the operation notches are annularly formed in the edges of the bottom side of the sealing end cover at equal intervals. The sealing end cover is used for protecting and sealing the internal structure of the embedded hole groove in the top of the nut, the situation that the internal structure of the nut is exposed to the outside for a long time, abrasion is caused, and the smoothness of screwing and dismantling is seriously influenced is avoided, an old bolt is dismantled by screwing a bolt to be replaced, and workers do not need to carry dismantling tools.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to an anti-disassembly locking bolt. Background Art

[0002] A bolt is a connecting part frequently used in structural parts. It consists of a nut and a screw. The screw is tightened between two adjacent parts, while the nut is stopped and exposed on the surface of one of the parts. The bolt can be tightened or removed by turning the nut forward or backward with a wrench.

[0003] In the prior art, there is an anti-dismantling bolt with application number 202022066287.1, which discloses a nut and a screw. The nut is integrally formed at one end of the screw, and at least two disassembly grooves are opened at the end of the nut away from the screw. The disassembly groove includes an arc-shaped surface that rotates circumferentially around the nut and continuously extends toward the screw, and a blocking surface at the deepest part of the arc-shaped surface; however, when disassembling the above-mentioned bolt, it is necessary to carry additional suitable disassembly tools to complete the disassembly and replacement, and the operation is not convenient enough. In addition, the disassembly groove structure of the above-mentioned bolt is exposed to the outside, the protective effect is insufficient, and it is easy to wear, resulting in a decrease in disassembly fluency and easy slippage.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0005] In response to the problems in the related technology, the utility model proposes an anti-dismantling locking bolt, which can use a sealing end cover to protect and seal the internal structure of the interlocking hole groove on the top of the nut, so as to prevent the internal structure of the nut from being exposed to the outside for a long time, causing serious wear and affecting the smoothness of screwing and removal. The old bolt can be removed by screwing the bolt to be replaced, and the staff does not need to carry removal tools.

[0006] To this end, the specific technical solution adopted by the present invention is as follows: an anti-disassembly locking bolt, including a screw and a nut, the top end of the screw is fixedly connected to the nut, the top side of the nut is embedded with a sealing end cover, and the bottom edge of the sealing end cover is respectively provided with an operating notch, and the operating notch is equidistantly arranged in a ring shape on the bottom edge of the sealing end cover.

[0007] As a further optimization, a fitting hole groove is dug on the top side of the nut, and the bottom side of the inner wall of the fitting hole groove is symmetrically connected to the limiting columns, and limiting blocks are provided between the limiting columns.

[0008] As a further optimization, the bottom sides of the limiting column and the limiting block are fixedly connected to the bottom side of the inner wall of the engaging hole, and the top sides of the limiting column and the limiting block are flush with the top side of the nut.

[0009] As a further optimization, a clamping disk is fixedly connected to the bottom side of the sealing end cover, and the clamping disk is sealed and clamped with the inner wall of the fitting hole groove.

[0010] As a further optimization, the bottom of the locking disk is symmetrically connected with connecting tubes, and groove blocks are provided between the connecting tubes. The connecting tubes and the top sides of the groove blocks are fixedly connected to the top side of the locking disk. The connecting tubes are movably connected to the limiting columns respectively, and the groove blocks are movably connected to the limiting blocks.

[0011] As a further optimization, a limiting groove is dug in the middle of the bottom end of the screw, limiting holes are dug symmetrically on both sides of the limiting groove, and arc-shaped grooves are dug equidistantly on the outer wall of the top end of the screw.

[0012] As a further optimization, the arc-shaped groove is located below the nut, the bottom end of the screw is movably connected to the inner wall of the engaging hole groove, and the bottom end of the screw is respectively engaged with the limiting column and the limiting block through the limiting groove and the limiting hole.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model utilizes the sealing end cover to protect and seal the internal structure of the interlocking hole groove on the top of the nut, so as to prevent the internal structure of the nut from being exposed to the outside for a long time, causing serious wear and tear that affects the smoothness of screwing and removal. The old bolt can be removed by screwing the bolt to be replaced, and the staff does not need to carry removal tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the nut of the present utility model;

[0018] Figure 3 This is a schematic diagram of the bottom structure of the sealing end cover of the utility model;

[0019] Figure 4 This is a schematic diagram of the screw bottom structure of the present utility model.

[0020] In the figure: 1. Screw; 2. Nut; 3. Sealing end cover; 4. Operating notch; 5. Engaging hole groove; 6. Limiting column; 7. Limiting block; 8. Clamping disk; 9. Connecting pipe; 10. Groove block; 11. Limiting groove; 12. Limiting hole; 13. Arc groove. DETAILED DESCRIPTION

[0021] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0022] Example 1

[0023] like Figures 1 to 4 As shown, an anti-disassembly locking bolt comprises a screw 1 and a nut 2. The top end of the screw 1 is fixedly connected to the nut 2. A sealing end cover 3 is embedded in the top side of the nut 2. The bottom edges of the sealing end cover 3 are respectively provided with operating notches 4. The operating notches 4 are equidistantly arranged in a ring at the bottom edge of the sealing end cover 3. A fitting hole 5 is dug on the top side of the nut 2. The bottom side of the inner wall of the fitting hole 5 is symmetrically connected to a limiting column 6. A limiting block 7 is provided between the limiting columns 6. The bottom sides of the limiting columns 6 and the limiting blocks 7 are fixedly connected to the bottom side of the inner wall of the fitting hole 5, and the top sides of the limiting columns 6 and the limiting blocks 7 are flush with the top side of the nut 2. A clamping disk 8 is fixedly connected to the bottom side of the sealing end cover 3. The clamping disk 8 is sealed and clamped with the inner wall of the fitting hole 5. 8 is symmetrically connected to the bottom with a connecting tube 9, and a groove block 10 is provided between the connecting tubes 9. The top sides of the connecting tubes 9 and the groove block 10 are fixedly connected to the top side of the clamping disk 8. The connecting tubes 9 are movably sleeved with the limit columns 6 respectively, and the groove block 10 is movably sleeved with the limit block 7. The sealing end cover 3 is embedded in the inside of the chimeric hole groove 5 through the clamping disk 8, and is movably sleeved with the limit columns 6 and the limit block 7 through the connecting tube 9 and the groove block 10 at the bottom of the clamping disk 8. The sealing end cover 3 can be opened by operating the notch 4, and the sealing end cover 3 can be used to protect and seal the internal structure of the chimeric hole groove 5 at the top of the nut 2 to avoid the internal structure of the nut 2 being exposed to the outside for a long time, resulting in serious wear and tear that affects the smoothness of screwing and removal.

[0024] Example 2

[0025] like Figures 1 to 4As shown, an anti-disassembly locking bolt includes a screw 1 and a nut 2. The top of the screw 1 is fixedly connected to the nut 2. A sealing end cover 3 is embedded on the top side of the nut 2. The bottom edges of the sealing end covers 3 are respectively provided with operating notches 4. The operating notches 4 are equidistantly arranged in an annular manner on the bottom edges of the sealing end covers 3. A limiting groove 11 is dug in the middle of the bottom end of the screw 1. Limiting holes 12 are symmetrically dug on both sides of the limiting groove 11. An arc-shaped groove 13 is dug equidistantly on the outer wall of the top end of the screw 1. The arc-shaped groove 13 is located below the nut 2. The bottom end of the screw rod 1 is movably connected to the inner wall of the engaging hole groove 5, and the bottom end of the screw rod 1 is respectively engaged with the limiting column 6 and the limiting block 7 through the limiting groove 11 and the limiting hole 12. When the bolt needs to be removed, the bolt to be replaced can be selected to embed the screw rod 1 of the bolt into the operating notch 4, so that the limiting groove 11 and the limiting hole 12 at the bottom end of the screw rod 1 are respectively engaged and fixed with the limiting column 6 and the limiting block 7, and then the bolt to be replaced is screwed to remove the old bolt, and the staff does not need to carry removal tools.

[0026] To sum up, based on the above technical solution, when applying an anti-disassembly locking bolt of the utility model, the sealing end cover 3 is embedded in the inside of the engaging hole groove 5 through the snap-fit ​​disk 8, and is movably connected with the limit column 6 and the limit block 7 through the connecting tube 9 and the groove block 10 at the bottom of the snap-fit ​​disk 8. The sealing end cover 3 can be opened by operating the notch 4, and the sealing end cover 3 can be used to protect and seal the internal structure of the engaging hole groove 5 at the top of the nut 2. When the bolt needs to be removed, the bolt to be replaced can be selected, and the screw 1 of the bolt can be embedded in the operating notch 4, so that the limit groove 11 and the limit hole 12 at the bottom end of the screw 1 are respectively engaged and fixed with the limit column 6 and the limit block 7, and then the bolt to be replaced is screwed to remove the old bolt.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A disassembly-resistant locking bolt, comprising a screw rod (1) and a nut (2), characterized in that: The top end of the screw rod (1) is fixedly connected to the nut (2); a sealing end cover (3) is embedded and connected to the top side of the nut (2); operating notches (4) are respectively provided on the bottom side edges of the sealing end covers (3); and the operating notches (4) are annularly and equidistantly arranged on the bottom side edges of the sealing end covers (3).

2. The anti-disassembly locking bolt according to claim 1, characterized in that: An engaging hole groove (5) is excavated on the top side of the nut (2), and limiting columns (6) are symmetrically connected to the bottom side of the inner wall of the engaging hole groove (5), and limiting blocks (7) are provided between the limiting columns (6).

3. The anti-disassembly locking bolt according to claim 2, characterized in that: The bottom sides of the limiting column (6) and the limiting block (7) are fixedly connected to the bottom side of the inner wall of the fitting hole (5), and the top sides of the limiting column (6) and the limiting block (7) are flush with the top side of the nut (2).

4. The anti-disassembly locking bolt according to any one of claims 1 to 3, characterized in that: A clamping disc (8) is fixedly connected to the bottom side of the sealing end cover (3), and the clamping disc (8) is sealed and clamped with the inner wall of the fitting hole groove (5).

5. The anti-disassembly locking bolt according to claim 4, characterized in that: The bottom of the locking disc (8) is symmetrically connected to a connecting tube (9), a groove block (10) is provided between the connecting tubes (9), the top sides of the connecting tubes (9) and the groove block (10) are fixedly connected to the top side of the locking disc (8), the connecting tubes (9) are movably connected to the limiting columns (6), and the groove block (10) is movably connected to the limiting block (7).

6. The anti-disassembly locking bolt according to claim 1, characterized in that: A limiting groove (11) is dug in the middle of the bottom end of the screw (1), limiting holes (12) are dug symmetrically on both sides of the limiting groove (11), and arc-shaped grooves (13) are dug at equal intervals on the outer wall of the top end of the screw (1).

7. The anti-disassembly locking bolt according to claim 6, characterized in that: The arc-shaped groove (13) is located below the nut (2), the bottom end of the screw rod (1) is movably connected to the inner wall of the engaging hole groove (5), and the bottom end of the screw rod (1) is respectively engaged with the limiting column (6) and the limiting block (7) through the limiting groove (11) and the limiting hole (12).

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