High-strength fastening rust-proof bolt

Abstract

The utility model discloses a high-strength fastening rust-proof bolt which comprises a first connecting layer, a nut arranged in the first connecting layer, a second connecting layer, a third connecting layer and a fourth connecting layer, the inner side of the nut is provided with first screw teeth, the inner side of the first screw teeth is provided with a bolt rod, and the outer side of the bolt rod is provided with second screw teeth. And the bolt rod is installed on the upper side of the first connecting layer, a bolt pan head is arranged on the upper side of the bolt rod, a permeation hole is formed in the left side of the bolt rod, an oil injection groove is formed in the left side of the bolt pan head, and a waterproof rubber ring is arranged at the lower end of the bolt pan head. The high-strength fastening rust-proof bolt has high strength in the using process, so that a device is not prone to breakage and the like in the long-time using process, the using safety of the device is improved, meanwhile, the high-strength fastening rust-proof bolt has a certain water drainage and rust prevention function, the device is not prone to being corroded by substances such as rainwater, and the service life of the device is prolonged; and a better use effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field related to bolts, in particular to a high-strength fastening and rust-proof bolt. Background Art

[0002] Bolt is indispensable in daily life and industrial production manufacturing. Bolt is also called the rice of industry, which shows that bolt is widely used. The application scope of bolt includes: electronic products, mechanical products, digital products, power equipment, electromechanical mechanical products; ships, vehicles, water conservancy projects, and even chemical experiments. Bolts are used in many places, such as precision bolts used in digital products; miniature bolts used in DVDs, cameras, glasses, clocks, electronics, etc.; general bolts for televisions, electrical products, musical instruments, furniture, etc.; large bolts and nuts are used in engineering, construction, and bridges; transportation equipment, airplanes, trams, cars, etc. use large and small bolts. Bolts have important tasks in industry, such as;

[0003] Authorization announcement number CN219299754U provides a fastening bolt, belonging to the technical field of fasteners, comprising a screw and a bolt head, the bolt head comprising a support member and a load-bearing cover, the support member being formed on the screw, the load-bearing cover being engaged with the support member, the support member being movably provided with a stop member 1, the load-bearing cover being movably connected with a stop member 2, the stop members 1 and 2 being engaged with each other, and the support member being provided with a control member that limits the movement of the stop members 1 and 2. In the fastening bolt of the utility model, when the load-bearing cover is worn, the load-bearing cover can be replaced so that the bolt can rotate normally, avoiding damage and disassembly of the bolt.

[0004] The above-mentioned existing technical solutions have the following defects: the existing bolts have poor strength during use, which makes the device prone to breakage during long-term use, resulting in reduced safety of the device. At the same time, they do not have a certain water-repellent and rust-proof function, which makes the device susceptible to corrosion by substances such as rainwater, resulting in a reduced service life of the device. Therefore, the utility model provides a high-strength fastening and rust-proof bolt to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-strength fastening and rust-proof bolt to solve the problems raised in the above-mentioned background technology, that is, due to poor strength during use, the device is prone to breakage during long-term use, resulting in reduced safety of the device, and at the same time, it does not have a certain water-repellent and rust-proof function, causing the device to be easily corroded by substances such as rainwater, resulting in a reduced service life of the device.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-strength fastening and rust-proof bolt, comprising: a first connecting layer, and a nut disposed inside the first connecting layer, wherein the inner side of the nut is provided with a first thread tooth, and the inner side of the first thread tooth is provided with a bolt shank, and the outer side of the bolt shank is provided with a second thread tooth, and further comprising:

[0007] The second connecting layer is installed on the upper side of the first connecting layer, a bolt pan head is provided on the upper side of the bolt rod, and a penetration hole is provided on the left side of the bolt rod, an oil filling groove is provided on the left side of the bolt pan head, and a waterproof rubber ring is provided at the lower end of the bolt pan head, a bolt head is provided on the upper side of the bolt pan head, and a reinforcement component is provided on the upper side of the bolt head.

[0008] In a possible implementation, the reinforcement assembly includes a protective shell installed on the upper side of the bolt head, a positioning connection block is provided on the inner side of the protective shell, and a reinforcement rod is provided in the middle of the protective shell.

[0009] In a possible implementation, the positioning connection block is relatively engaged with the bolt pan head, and the longitudinal section of the positioning connection block is a "T"-shaped structure, and the positioning connection block is arranged at equal angles on the inner side of the protective shell.

[0010] In a possible implementation, the reinforcing rod is engaged with the bolt head, and the cross section of the bolt head is a hexagonal structure.

[0011] In a possible implementation, the nut is threadedly connected to the bolt rod, and the nut is engaged with the first connection layer.

[0012] In a possible implementation, the penetration holes are opened at equal intervals on the left side of the bolt rod.

[0013] In a possible implementation, an extrusion reinforcement ring is provided on the lower side of the waterproof rubber ring, and anti-slip teeth are provided at the lower end of the extrusion reinforcement ring.

[0014] In a possible implementation, the cross section of the extrusion reinforcement ring is a circular ring structure, and the extrusion reinforcement ring and the bolt rod are arranged to slide relative to each other.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the high-strength fastening anti-rust bolt has higher strength during use, making the device less likely to break during long-term use, thereby improving the safety of the device; at the same time, it has a certain water-repellent and anti-rust function, making the device less susceptible to corrosion by substances such as rainwater, thereby increasing the service life of the device and having a better use effect, as shown in the following content:

[0016] 1. The second connecting layer is clamped between the first connecting layer and the bolt pan head by the bolt rod and the nut, so that the waterproof rubber ring and the extrusion reinforcement ring can seal the gap between the bolt pan head and the second connecting layer, preventing rainwater and other substances on the outside of the second connecting layer from entering the inside of the second connecting layer and the nut through the gap, thereby improving the service life of the bolt rod and the second thread;

[0017] 2. Lubricating oil is poured into the bolt rod through the oil filling groove and the penetration hole, so that a protective oil layer is attached to the surface of the bolt rod. The oil layer can effectively reduce the wear between the second thread and the first thread, thereby increasing the service life of the device and facilitating the disassembly and assembly between the bolt rod and the nut.

[0018] Furthermore, the protective shell is fixed to the upper side of the bolt head by cooperating with the positioning connecting block through the bolt pan head, so that the reinforcement rod passes through the bolt pan head and the inside of the bolt rod. The bolt rod is reinforced and supported by the reinforcement rod to avoid the device from breaking during long-term use, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the side cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the top cross-sectional structure of the connection between the bolt rod and the reinforcement rod of the utility model;

[0022] Figure 4 This is a schematic diagram of the top cross-sectional structure of the connection between the bolt pan head and the positioning connection block of the utility model;

[0023] Figure 5 For this utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0024] In the figure: 1. First connecting layer; 2. Nut; 3. First thread; 4. Bolt rod; 5. Second thread; 6. Second connecting layer; 7. Bolt pan head; 8. Oil filling groove; 9. Penetration hole; 10. Waterproof rubber ring; 11. Extrusion reinforcement ring; 12. Anti-slip teeth; 13. Bolt head; 14. Reinforcement assembly; 1401. Protective shell; 1402. Positioning connection block; 1403. Reinforcement rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5 The utility model provides a technical solution: a high-strength fastening anti-rust bolt, comprising: a first connecting layer 1, and a nut 2 arranged inside the first connecting layer 1, a first screw tooth 3 being arranged on the inner side of the nut 2, a bolt shank 4 being arranged on the inner side of the first screw tooth 3, and a second screw tooth 5 being arranged on the outer side of the bolt shank 4, and further comprising:

[0027] The second connecting layer 6 is installed on the upper side of the first connecting layer 1. A bolt pan head 7 is provided on the upper side of the bolt rod 4, and a penetration hole 9 is provided on the left side of the bolt rod 4. An oil filling groove 8 is provided on the left side of the bolt pan head 7, and a waterproof rubber ring 10 is provided at the lower end of the bolt pan head 7. A bolt head 13 is provided on the upper side of the bolt pan head 7, and a reinforcement component 14 is provided on the upper side of the bolt head 13 to constitute a complete bolt.

[0028] like Figure 1 、 Figure 2 and Figure 4 As shown, the reinforcement assembly 14 includes a protective shell 1401 installed on the upper side of the bolt head 13, and a positioning connection block 1402 is provided on the inner side of the protective shell 1401, and a reinforcement rod 1403 is provided in the middle of the protective shell 1401. The positioning connection block 1402 is relatively engaged with the bolt pan head 7, and the longitudinal section of the positioning connection block 1402 is a "T"-shaped structure, and the positioning connection block 1402 is arranged at equal angles on the inner side of the protective shell 1401. The reinforcement rod 1403 is relatively engaged with the bolt head 13, and the cross section of the bolt head 13 is a hexagonal structure. The lubricating oil is poured into the interior of the bolt rod 4 through the oil filling groove 8. At this time, the lubricating oil penetrates to the outside of the bolt rod 4 through the penetration hole 9, so that A protective oil layer is attached to the surface of the bolt rod 4, and the oil layer can effectively reduce the wear between the second thread tooth 5 and the first thread tooth 3, thereby increasing the service life of the device and facilitating the disassembly and assembly between the bolt rod 4 and the nut 2; at the same time, the protective shell 1401 is installed on the upper side of the bolt head 13 along the positioning connection block 1402. At this time, the positioning connection block 1402 is engaged with the bolt pan head 7 to fix the protective shell 1401 on the upper side of the bolt head 13, so that the reinforcement rod 1403 arranged on the lower side of the protective shell 1401 passes through the bolt pan head 7 and the interior of the bolt rod 4. The bolt rod 4 is reinforced and supported by the reinforcement rod 1403 to avoid the device from breaking during long-term use, thereby improving the safety of the device.

[0029] like Figure 1 、 Figure 3 and Figure 5 As shown, the nut 2 is threadedly connected to the bolt rod 4, and the nut 2 is relatively engaged with the first connection layer 1. The penetration holes 9 are evenly spaced on the left side of the bolt rod 4. The lower side of the waterproof rubber ring 10 is provided with an extrusion reinforcement ring 11, and the lower end of the extrusion reinforcement ring 11 is provided with an anti-slip tooth 12. The cross section of the extrusion reinforcement ring 11 is a circular ring structure, and the extrusion reinforcement ring 11 is relatively slidably arranged with the bolt rod 4. By installing the nut 2 inside the first connection layer 1, the second connection layer 6 is placed on the upper side of the first connection layer 1, and the bolt head 13 and the bolt pan head are rotated at the same time. 7, so that the bolt pan head 7 drives the bolt rod 4 and the second threaded tooth 5 to rotate inside the nut 2. At this time, the bolt rod 4 is threadedly connected to the nut 2 to clamp the second connection layer 6 between the bolt pan head 7 and the first connection layer 1. At the same time, the waterproof rubber ring 10 cooperates with the extrusion reinforcement ring 11 to seal the gap at the connection between the bolt pan head 7 and the second connection layer 6, so that rainwater and other substances on the outside of the second connection layer 6 are not easy to enter the second connection layer 6 and the inside of the nut 2 through the gap, thereby preventing the bolt rod 4 and the second threaded tooth 5 from being corroded by rainwater, and improving the service life of the bolt rod 4 and the second threaded tooth 5.

[0030] Working principle: When using this high-strength fastening rust-proof bolt, first install the nut 2 inside the first connecting layer 1, then place the second connecting layer 6 on the upper side of the first connecting layer 1, and rotate the bolt head 13 and the bolt pan head 7 at the same time, so that the bolt pan head 7 drives the bolt rod 4 and the second thread 5 to rotate inside the nut 2. At this time, the bolt rod 4 is threadedly connected with the nut 2 to clamp the second connecting layer 6 between the bolt pan head 7 and the nut 2. At the same time, lubricating oil is poured into the interior of the bolt rod 4 through the oil filling groove 8. At this time, the lubricating oil penetrates to the outside of the bolt rod 4 through the penetration hole 9, so that the bolt rod 4 A protective oil layer is attached to the surface of the protective shell 1401, and the oil layer can effectively reduce the wear between the second thread tooth 5 and the first thread tooth 3; at the same time, the protective shell 1401 is installed on the upper side of the bolt head 13 along the positioning connection block 1402. At this time, the positioning connection block 1402 is engaged with the bolt pan head 7 to fix the protective shell 1401 on the upper side of the bolt head 13, so that the reinforcement rod 1403 set on the lower side of the protective shell 1401 passes through the bolt pan head 7 and the inside of the bolt rod 4, and the bolt rod 4 is reinforced and supported by the reinforcement rod 1403. This is the method of using the high-strength fastening and rust-proof bolt.

[0031] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology. It will not be described in detail here. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, 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 high-strength fastening and rust-proof bolt, comprising: A first connecting layer (1), and a nut (2) arranged inside the first connecting layer (1), wherein the inner side of the nut (2) is provided with a first thread tooth (3), and the inner side of the first thread tooth (3) is provided with a bolt rod (4), and the outer side of the bolt rod (4) is provided with a second thread tooth (5), characterized in that it further comprises: The second connecting layer (6) is installed on the upper side of the first connecting layer (1), the upper side of the bolt rod (4) is provided with a bolt pan head (7), and the left side of the bolt rod (4) is provided with a penetration hole (9), the left side of the bolt pan head (7) is provided with an oil filling groove (8), and the lower end of the bolt pan head (7) is provided with a waterproof rubber ring (10), the upper side of the bolt pan head (7) is provided with a bolt head (13), and the upper side of the bolt head (13) is provided with a reinforcement component (14).

2. A high-strength fastening and rust-proof bolt according to claim 1, characterized in that: The reinforcement assembly (14) comprises a protective shell (1401) mounted on the upper side of the bolt head (13), a positioning connection block (1402) is provided on the inner side of the protective shell (1401), and a reinforcement rod (1403) is provided in the middle of the protective shell (1401).

3. The high-strength fastening and rust-proof bolt according to claim 2, characterized in that: The positioning connection block (1402) is arranged to engage with the bolt pan head (7) relative to each other, and the longitudinal section of the positioning connection block (1402) is a "T"-shaped structure, and the positioning connection block (1402) is arranged at equal angles on the inner side of the protective shell (1401).

4. The high-strength fastening and rust-proof bolt according to claim 2, characterized in that: The reinforcing rod (1403) is arranged to be relatively engaged with the bolt head (13), and the cross section of the bolt head (13) is a hexagonal structure.

5. The high-strength fastening and rust-proof bolt according to claim 1, characterized in that: The nut (2) is threadedly connected to the bolt rod (4), and the nut (2) is engaged with the first connection layer (1) relative to each other.

6. The high-strength fastening and rust-proof bolt according to claim 1, characterized in that: The penetration holes (9) are opened at equal intervals on the left side of the bolt rod (4).

7. The high-strength fastening and rust-proof bolt according to claim 1, characterized in that: An extrusion reinforcement ring (11) is provided on the lower side of the waterproof rubber ring (10), and anti-slip teeth (12) are provided at the lower end of the extrusion reinforcement ring (11).

8. The high-strength fastening and rust-proof bolt according to claim 7, characterized in that: The cross section of the extrusion reinforcement ring (11) is a circular ring structure, and the extrusion reinforcement ring (11) and the bolt rod (4) are arranged to slide relative to each other.

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