Rust-proof fastener
By designing the combination of the pad and the protective cap in the bolt fastener, the problem of rust and corrosion of the bolt fastener in rainwater weather is solved. The design of the oil storage layer and the squeezing cavity is improved. Storage and uniform distribution achieve better rust -proof effects and spinning convenience.
Patent Information
- Application Number
- CN202420187329.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-01-26
AI Technical Summary
Existing bolt fasteners are prone to rust and corrosion in rainy weather, and the application effect of anti-rust oil is poor, which affects the convenience of screwing the lock nut on the bolt column.
A rust -proof fastener is designed, including setting a hat and first sealing pad at the top of the bolt column, and a first protective cap on the outer cover of the hat. The bottom of the column is equipped with a second protective cap with the lock -up screw cover; the oil injection cavity is opened inside the bolt column. The oily storage layer and extrusion cavity are set in the oil cavity.
Through the design of the sealing cushion and the protective cap, the sealing protection of the hats and locking nuts is achieved to avoid rust and corrosion; through the design of the oil storage layer and the squeezing cavity, the storage and uniform distribution of rust oil oil -proof oil have been increased, which enhances the enhancement The rust -proof effect of the bolt column and the locking nut is convenient for spinning operation.
Smart Images
Figure CN222415589U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rust-proof fasteners, and more specifically, to a rust-proof fastener. Background Art
[0002] When realizing the connection and locking between two sets of components, bolt fasteners are usually used for fixing. The existing bolt fasteners mainly include a bolt column, one end of which is integrally provided with a bolt cap, and the other end of which is threadedly provided with a locking nut structure;
[0003] However, when the bolt fasteners in the prior art realize the locking between two sets of components, the bolt cap, the locking nut and the tail of the bolt column are usually exposed to the air. In rainy weather, they are easily wetted by rain, which makes the bolt cap, the locking nut and the bolt column easy to rust and corrode, and the protective performance is poor.
[0004] In addition, the bolt column and the locking nut in the prior art are easily adhered together after rusting, which makes it difficult to screw the locking nut off the bolt column. The locking bolt parts in the prior art have poor rust resistance, which affects the convenience of screwing the locking nut on the bolt column.
[0005] In the prior art, rust prevention is usually achieved by applying rust-proof oil on the surface of the bolt column and the locking nut. However, the surface oiling method is not convenient for the rust-proof oil to stay on the surface of the bolt column, and the rust prevention time is short. Utility Model Content
[0006] 1. Technical issues to be resolved
[0007] In view of the problems existing in the prior art, the utility model provides a rust-proof fastener to solve the technical problems mentioned in the background technology that the bolt fasteners in the prior art have poor rust-proof effect and poor application effect of rust-proof oil.
[0008] (II) Technical solution
[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0010] A rust-proof fastener comprises a bolt column, a bolt cap is integrally provided at the top of the bolt column, a first sealing gasket is provided on the inner side of the bolt cap, a first protective cap is provided on the outer side cover of the bolt cap, a locking nut is threadedly provided on the bolt column, a second sealing gasket is provided on the inner side of the locking nut, a second protective cap is provided at the bottom of the bolt column in cooperation with the locking nut cover, an oil filling cavity is provided inside the bolt column, an oil leakage hole is provided outwardly from the oil filling cavity, a sealed oil storage layer is provided inside the oil filling cavity in contact with the oil leakage hole, an extrusion cavity is formed inside the sealed oil storage layer, an extrusion block is provided in the extrusion cavity, a movable adjustment structure is provided on the bolt column in cooperation with the extrusion block, and an oil filling hole is provided on the bolt column that is connected to the oil filling cavity.
[0011] The utility model is further configured such that a sealing tail plate is provided at the tail of the bolt column in cooperation with the oil injection chamber and the extrusion chamber, and the movable adjustment structure comprises an adjusting column threadedly mounted on the sealing tail plate, the inner end of the adjusting column extends into the extrusion chamber and is rotatably connected to the extrusion block via a bearing, and the movement and driving of the extrusion block in the reinforcement is realized through the cooperation of the adjusting column and the sealing tail plate.
[0012] The utility model is further configured that the tail of the adjusting column extends to the outer side of the sealing tail plate and is provided with an adjusting knob, and the setting of the adjusting knob facilitates the screwing of the adjusting column.
[0013] The utility model is further configured such that a first locking section is provided at one end of the bolt cap connected to the bolt column, and the first protective cap is threadedly connected to the first locking section. The first protective cap can be stably screwed on the bolt cap through the configuration of the first locking section.
[0014] The utility model is further configured such that a second locking column is integrally provided at the top end of the locking nut, and the second protective cap is threadedly connected to the second locking column. The installation stability of the second protective cap can be improved by the provision of the second locking column.
[0015] The utility model is further configured such that the oil storage layer includes a sponge gasket arranged in contact with the inner wall of the oil filling cavity, a rubber gasket is sealingly connected between the inside of the sponge gasket and the bolt column, the extrusion cavity is located inside the rubber gasket, the sponge gasket is used for storing anti-rust oil, and the rubber gasket is used for sealing the anti-rust oil in the oil filling cavity.
[0016] The utility model is further configured that the oil filling hole is opened on the sealing tail plate, and a sealing plug is clamped between the sealing tail plate and the oil filling hole to achieve sealing of the oil filling hole.
[0017] The utility model is further configured that the outer end of the sealing plug is provided with a pulling convex head, and the pulling of the sealing plug is facilitated by the provision of the pulling convex head.
[0018] (III) Beneficial effects
[0019] Compared with the prior art, the utility model provides a rust-proof fastener having the following beneficial effects:
[0020] 1. The utility model includes a bolt cap arranged at the top end of the bolt column, and a first sealing gasket is arranged on the inner side of the bolt cap, and a first protective cap is arranged on the outer side of the bolt cap. In this way, when locking and fixing an external object, the bolt cap is located on one side of the external object, and the first sealing gasket is located between the bolt cap and the external object, thereby achieving a connection and seal between the bolt cap and the external object. Afterwards, the first protective cap is arranged on the top end of the bolt cap, and the first protective cap and the first sealing gasket are tightly fitted. In this way, the bolt cap can be prevented from rusting and corroding during use.
[0021] 2. The utility model has a locking nut threadedly arranged on the bolt column, and a second sealing gasket is arranged on the inner side of the locking nut, and a second protective cap is arranged at the bottom of the bolt column in cooperation with the locking nut cover. When in use, the locking nut is placed on the other end face of the external object, and the second sealing gasket is located between the locking nut and the external object, so that the connection sealing between the locking nut and the external object can be strengthened. Afterwards, the second protective cap cover is arranged on the outer side of the bolt column and the locking nut, and the open end of the second protective cap is tightly fitted with the second sealing gasket, so that the tail of the bolt column and the locking nut can be sealed and protected, thereby strengthening the anti-rust and anti-corrosion effect of the bolt column and the locking nut.
[0022] 3. The utility model has an oil filling cavity inside the bolt column, an oil leakage hole outside the oil filling cavity, a sealed oil storage layer is arranged inside the oil filling cavity in close contact with the oil leakage hole, and an oil filling hole is arranged on the bolt column to connect with the oil filling cavity. Anti-rust oil can be injected into the oil filling cavity through the oil filling hole, and the anti-rust oil will be absorbed by the sealed oil storage layer, which can improve the storage effect of the anti-rust oil in the oil filling cavity and improve the uniformity of the anti-rust oil during discharge, so that the anti-rust oil can be evenly discharged outward through the oil leakage hole.
[0023] 4. The utility model forms an extrusion cavity inside the sealed oil storage layer, in which an extrusion block is arranged, and a movable adjustment structure is arranged on the bolt column to cooperate with the extrusion block. In this way, the movement of the extrusion block in the extrusion cavity can be adjusted by the movable adjustment structure, so that the sealed oil storage layer can be squeezed by the extrusion block, so that the rust-proof oil in the sealed oil storage layer can be better discharged outward through the oil leakage hole, thereby strengthening the oil coating and rust prevention of the bolt column and the locking nut. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the overall structure of a rust-proof fastener in the utility model when in use;
[0025] Figure 2 It is a schematic cross-sectional view of the overall structure of a rust-proof fastener in the utility model when in use;
[0026] Figure 3 It is a schematic diagram of the overall structure decomposition of the utility model;
[0027] Figure 4 It is an exploded schematic diagram of the connection structure between the bolt column and the locking nut in the utility model;
[0028] Figure 5 It is a schematic cross-sectional view of the internal structure of the bolt column in the utility model.
[0029] In the figure: 1. bolt column; 2. bolt cap; 3. first sealing gasket; 4. first protective cap; 5. locking nut; 6. second sealing gasket; 7. second protective cap; 8. oil filling chamber; 9. oil leakage hole; 10. sealed oil reservoir; 11. extrusion chamber; 12. extrusion block; 13. oil filling hole; 14. sealed tail plate; 15. adjusting column; 16. adjusting knob; 17. first locking section; 18. second locking column; 19. sponge gasket; 20. rubber gasket; 21. sealing plug; 22. pull-out boss. DETAILED DESCRIPTION
[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0032] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.
[0033] See also Figure 1-5A rust-proof fastener comprises a bolt column 1, a bolt cap 2 is integrally provided at the top of the bolt column 1, a first sealing gasket 3 is provided on the inner side of the bolt cap 2, a first protective cap 4 is provided on the outer side of the bolt cap 2, a locking nut 5 is threadedly provided on the bolt column 1, a second sealing gasket 6 is provided on the inner side of the locking nut 5, a second protective cap 7 is provided at the bottom of the bolt column 1 in cooperation with the locking nut 5, an oil filling cavity 8 is provided inside the bolt column 1, an oil leakage hole 9 is provided outwardly of the oil filling cavity 8, a sealed oil storage layer 10 is provided inside the oil filling cavity 8 in contact with the oil leakage hole 9, an extrusion cavity 11 is formed inside the sealed oil storage layer 10, an extrusion block 12 is provided in the extrusion cavity 11, a movable adjustment structure is provided on the bolt column 1 in cooperation with the extrusion block 12, and an oil filling hole 13 is provided on the bolt column 1 in communication with the oil filling cavity 8.
[0034] In this embodiment, the utility model includes a bolt cap 2 arranged at the top end of the bolt column 1, and a first sealing gasket 3 is arranged on the inner side of the bolt cap 2, and a first protective cap 4 is arranged on the outer side of the bolt cap 2. In this way, when locking and fixing an external object, the bolt cap 2 is located on one side of the external object, and the first sealing gasket 3 is located between the bolt cap 2 and the external object, thereby achieving a connection and seal between the bolt cap 2 and the external object. Afterwards, the first protective cap 4 is covered on the top end of the bolt cap 2, and the first protective cap 4 and the first sealing gasket 3 are tightly fitted. In this way, the bolt cap 2 can be prevented from rusting and corroding during use.
[0035] More specifically, the utility model is provided with a locking nut 5 on the bolt column 1 in threaded cooperation, and a second sealing gasket 6 is provided on the inner side of the locking nut 5, and at the same time, a second protective cap 7 is provided at the bottom of the bolt column 1 to cooperate with the locking nut 5 to cover the locking nut 5. When in use, the locking nut 5 is placed on the other end face of the external object, and the second sealing gasket 6 is located between the locking nut 5 and the external object, so that the connection sealing between the locking nut 5 and the external object can be strengthened. Thereafter, the second protective cap 7 is covered on the outer side of the bolt column 1 and the locking nut 5, and the open end of the second protective cap 7 is tightly fitted with the second sealing gasket 6, so that the tail of the bolt column 1 and the locking nut 5 can be sealed and protected, thereby strengthening the anti-rust and anti-corrosion effects of the bolt column 1 and the locking nut 5.
[0036] Furthermore, the utility model provides an oil filling chamber 8 inside the bolt column 1, and the oil filling chamber 8 provides an oil leakage hole 9 outwardly, and a sealed oil storage layer 10 is provided inside the oil filling chamber 8 in contact with the oil leakage hole 9. At the same time, an oil filling hole 13 is provided on the bolt column 1 to connect with the oil filling chamber 8, and anti-rust oil can be injected into the oil filling chamber 8 through the oil filling hole 13. The anti-rust oil will be absorbed by the sealed oil storage layer 10, which can improve the storage effect of the anti-rust oil in the oil filling chamber 8 and improve the uniformity of the anti-rust oil during discharge, so that the anti-rust oil can be evenly discharged outward through the oil leakage hole 9.
[0037] Furthermore, the utility model forms an extrusion cavity 11 inside the sealed oil reservoir 10, and an extrusion block 12 is arranged in the extrusion cavity 11. A movable adjustment structure is arranged on the bolt column 1 to cooperate with the extrusion block 12. In this way, the extrusion block 12 can be adjusted to move in the extrusion cavity 11 through the movable adjustment structure, so that the sealed oil reservoir 10 can be squeezed by the extrusion block 12, so that the rust-proof oil in the sealed oil reservoir 10 can be better discharged outward through the oil leakage hole 9, thereby strengthening the oil coating and rust prevention of the bolt column 1 and the locking nut 5.
[0038] See also Figure 5 As an implementation of the movable adjustment structure: the tail of the bolt column 1 is matched with the oil injection chamber 8 and the extrusion chamber 11 and is provided with a sealing tail plate 14. The movable adjustment structure includes an adjustment column 15 threadedly mounted on the sealing tail plate 14. The inner end of the adjustment column 15 extends to the inside of the extrusion chamber 11 and is rotatably connected to the extrusion block 12 through a bearing. The tail of the adjustment column 15 extends to the outside of the sealing tail plate 14 and is provided with an adjustment knob 16.
[0039] Specifically, when realizing the movement adjustment of the extrusion block 12 in the extrusion chamber 11, the adjusting knob 16 is rotated, and the adjusting column 15 can be driven to rotate through the adjusting knob 16. The adjusting column 15 can be moved inward and outward in the reinforcement through the threaded connection relationship between the adjusting column 15 and the sealing tail plate 14. The movement of the adjusting column 15 can drive the movement of the extrusion block 12, so that the sealed oil reservoir 10 can be squeezed by the extrusion block 12.
[0040] See also Figure 2 and Figure 3 As an implementation of the first protective cap 4 : a first locking section 17 is provided at one end of the bolt cap 2 connected to the bolt column 1 , and the first protective cap 4 is threadedly connected to the first locking section 17 .
[0041] Specifically, the first protective cap 4 is screwed onto the first locking section 17 to achieve stable installation of the first protective cap 4 on the outer side of the top of the bolt cap 2 .
[0042] See also Figure 2 and Figure 3 As an implementation of the second protective cap 7 : a second locking column 18 is integrally provided at the top end of the locking nut 5 , and the second protective cap 7 and the second locking column 18 are threadedly connected.
[0043] Specifically, by screwing the second protective cap 7 onto the second locking column 18 , the second protective cap 7 can be stably installed on the outside of the bolt column 1 and the locking nut 5 , thereby achieving the sealing of the bolt column 1 and the locking nut 5 .
[0044] See also Figure 5As an implementation of the oil reservoir: the oil reservoir includes a sponge gasket 19 arranged to fit the inner wall of the oil filling cavity 8, a rubber gasket 20 is sealed between the inside of the sponge gasket 19 and the bolt column 1, and the extrusion cavity 11 is located inside the rubber gasket 20.
[0045] Specifically, the sponge gasket 19 is used to absorb and store the anti-rust oil, and the rubber gasket 20 is used to achieve the isolation and sealing between the oil injection chamber 8 and the extrusion chamber 11. The sponge gasket 19 can be used to seal the deformation of the oil storage layer 10 when the extrusion block 12 moves in the extrusion chamber 11.
[0046] See also Figure 5 As an implementation of the oil filling hole 13: the oil filling hole 13 is opened on the sealing tail plate 14, and a sealing plug 21 is provided between the sealing tail plate 14 and the oil filling hole 13, and a pulling boss 22 is provided on the outer end of the sealing plug 21.
[0047] Specifically, the sealing of the oil filling hole 13 is achieved by the sealing plug 21 , and the provision of the pulling protrusion 22 facilitates the insertion and removal of the sealing plug 21 in the oil filling hole 13 .
[0048] In summary, when the overall equipment is in use:
[0049] The bolt column 1 is passed through the gap of the object to be locked, and the bolt cap 2 and the locking nut 5 are respectively located at two ends of the object to be locked;
[0050] At the same time, the first sealing gasket 3 is located between the bolt cap 2 and the object to be locked, and the second sealing gasket 6 is located between the locking bolt and the object to be locked. The locking nut 5 is screwed onto the bolt column 1. The locking and fixing of the object to be locked can be achieved through the cooperation between the locking nut 5 and the bolt cap 2.
[0051] Afterwards, the first protective cap 4 is screwed onto the first locking section 17 on the bolt cap 2, so that the first protective cap 4 is stably installed on the bolt cap 2, and the open end of the first protective cap 4 is tightly fitted with the first sealing gasket 3, so that the overall cover of the bolt cap 2 can be sealed through the cooperation of the first sealing gasket 3 and the first protective cap 4, and the bolt cap 2 is isolated from the outside, thereby enhancing the rust-proof effect of the bolt cap 2;
[0052] At the same time, the second protective cap 7 is screwed onto the second locking section of the locking bolt, so that the second protective cap 7 is stably installed on the locking bolt, and the open end of the second protective cap 7 is tightly fitted with the second sealing gasket 6, so that the tail of the bolt column 1 and the locking nut 5 can be sealed as a whole through the cooperation of the second sealing gasket 6 and the second protective cap 7, so that the tail of the bolt column 1 and the locking nut 5 are isolated from the outside, thereby enhancing the rust-proof effect of the tail of the bolt column 1 and the locking nut 5;
[0053] At the same time, when the utility model is in use, anti-rust oil can be injected into the oil filling chamber 8 through the oil filling hole 13, and the anti-rust can be absorbed by the sponge gasket 19, so that the anti-rust oil can be stored in the oil filling chamber 8, and the uniformity of the distribution of the anti-rust oil in the oil filling chamber 8 can be improved, so that the anti-rust oil can be evenly discharged from the oil leakage hole 9 to the outside, so that the anti-rust oil is evenly distributed on the locking nut 5 and the bolt column 1, thereby enhancing the anti-rust effect of the locking nut 5 and the bolt column 1, and facilitating the screwing of the locking nut 5 on the bolt column 1.
[0054] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A rust-proof fastener, comprising a bolt column (1), the top end of the bolt column (1) being integrally provided with a bolt cap (2), wherein: A first sealing gasket (3) is arranged on the inner side of the bolt cap (2), a first protective cap (4) is arranged on the outer side cover of the bolt cap (2), a locking nut (5) is threadedly arranged on the bolt column (1), a second sealing gasket (6) is arranged on the inner side of the locking nut (5), a second protective cap (7) is arranged at the bottom of the bolt column (1) in cooperation with the locking nut (5) cover, an oil injection cavity (8) is provided inside the bolt column (1), an oil leakage hole (9) is provided outwardly of the oil injection cavity (8), a sealed oil storage layer (10) is arranged inside the oil injection cavity (8) in contact with the oil leakage hole (9), an extrusion cavity (11) is formed inside the sealed oil storage layer (10), an extrusion block (12) is arranged inside the extrusion cavity (11), a movable adjustment structure is arranged on the bolt column (1) in cooperation with the extrusion block (12), and an oil injection hole (13) is provided on the bolt column (1) in communication with the oil injection cavity (8).
2. The rust-proof fastener according to claim 1, characterized in that: The tail of the bolt column (1) is provided with a sealing tail plate (14) in cooperation with the oil injection chamber (8) and the extrusion chamber (11); the movable adjustment structure comprises an adjustment column (15) threadedly mounted on the sealing tail plate (14); the inner end of the adjustment column (15) extends into the interior of the extrusion chamber (11) and is rotatably connected to the extrusion block (12) via a bearing.
3. The rust-proof fastener according to claim 2, characterized in that: The tail of the adjusting column (15) extends to the outside of the sealing tail plate (14) and is provided with an adjusting knob (16).
4. The rust-proof fastener according to claim 1, characterized in that: One end of the bolt cap (2) connected to the bolt column (1) is provided with a first locking section (17), and the first protective cap (4) is threadedly connected to the first locking section (17).
5. The rust-proof fastener according to claim 1, characterized in that: A second locking column (18) is integrally provided at the top end of the locking nut (5), and the second protective cap (7) is threadedly connected to the second locking column (18).
6. A rust-proof fastener according to any one of claims 1 to 5, characterized in that: The oil storage layer comprises a sponge gasket (19) arranged to fit the inner wall of the oil injection cavity (8), a rubber gasket (20) is sealed between the interior of the sponge gasket (19) and the bolt column (1), and the extrusion cavity (11) is located inside the rubber gasket (20).
7. The rust-proof fastener according to claim 6, characterized in that: The oil injection hole (13) is formed on the sealing tail plate (14), and a sealing plug (21) is provided on the sealing tail plate (14) and is engaged with the oil injection hole (13).
8. The rust-proof fastener according to claim 7, characterized in that: The outer end of the sealing plug (21) is provided with a pulling convex head (22).