CN211951120U - Corrosion-resistant carbon steel bolt - Google Patents
Corrosion-resistant carbon steel bolt Download PDFInfo
- Publication number
- CN211951120U CN211951120U CN201922471977.2U CN201922471977U CN211951120U CN 211951120 U CN211951120 U CN 211951120U CN 201922471977 U CN201922471977 U CN 201922471977U CN 211951120 U CN211951120 U CN 211951120U
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- screw rod
- nut
- carbon steel
- steel bolt
- corrosion
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Abstract
The utility model discloses a corrosion-resistant carbon steel bolt, including protective cover, nut and screw rod, the top cover of nut is equipped with the protective cover, the bottom welding of nut has the screw rod, be provided with on nut and the screw rod and fill the passageway, the top of filling the passageway is provided with the rubber sealing plug, the outside of screw rod is provided with the pore that produces oil, the extexine of screw rod is provided with anticorrosive cured layer, the bottom of nut bonds through polyurethane glue has sealed the pad. This novel corrosion-resistant carbon steel bolt function is various, easy operation, and the multiple demand in the use has been satisfied in the production of being convenient for, is fit for extensively using widely.
Description
Technical Field
The utility model relates to a carbon steel bolt technical field, in particular to corrosion-resistant carbon steel bolt.
Background
Bolts, which are one of the most common fasteners, consist of a nut and a threaded rod. The screw rod is cylindrical and is provided with external threads which can be matched with the nut for use. The bolt and the nut are used together to connect and fix two parts with through holes.
Patent number CN201721717933.8 discloses the anticorrosion bolt, the utility model discloses can protect bolt head, screw rod and nut simultaneously, the protection effect is good, improve equipment security, bolt long service life.
The anti-corrosion bolt has the following defects: 1. when the joint of the existing anti-corrosion bolt connecting member is rusted, lubricating oil cannot be added through a filling channel, so that the lubricating effect is improved; 2. the corrosion prevention effect of the existing corrosion-proof bolt is not obvious. To this end, we propose a corrosion resistant carbon steel bolt.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a corrosion-resistant carbon steel bolt can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a corrosion-resistant carbon steel bolt, includes protective cover, nut and screw rod, the top cover of nut is equipped with the protective cover, the bottom welding of nut has the screw rod, be provided with the filling channel on nut and the screw rod, the top of filling the channel is provided with the rubber sealing plug, the outside of screw rod is provided with the pore of producing oil, the extexine of screw rod is provided with anticorrosive cured layer, the bottom of nut bonds through polyurethane glue has sealed the pad, the bottom welding of screw rod has the drag reduction end.
Further, the protective cover is made of PP thermoplastic material, and the sealing gasket is made of TPO material.
Further, the oil outlet pore is communicated with the filling channel.
Further, the anticorrosion cured layer is a silicone coating.
Further, the outer side of the screw rod is provided with an external thread.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the carbon steel bolt is subjected to resistance reduction in the screwing-in process by utilizing the resistance reduction end, and the screw cap and the screw are made of carbon steel materials, so that the strength, the rigidity and the stability are strong. The anti-corrosion cured layer is an organic silicon coating, has the excellent characteristics of high and low temperature resistance, electrical insulation, oxidation resistance stability, flame retardancy, hydrophobicity, corrosion resistance, no toxicity, no odor, physiological inertia and the like, and has a good protection effect on the screw rod.
2. When the carbon steel bolt is screwed down and the member is corroded and is difficult to unload, the rubber sealing plug is opened to inject lubricating oil into the filling channel, and the lubricating oil enters the joint of the lubricating oil and the member through the oil outlet pore, so that the lubricating oil is convenient to disassemble after being soaked.
3. The protective cover is made of PP thermoplastic material, has high impact resistance, high mechanical property, high stability and durability, and resists corrosion of various organic solvents and acid and alkali.
Drawings
Fig. 1 is the utility model relates to a corrosion-resistant carbon steel bolt's overall structure schematic diagram.
Fig. 2 is the utility model discloses a corrosion-resistant carbon steel bolt's anticorrosive cured layer structure sketch map.
Fig. 3 is a schematic diagram of the sealing gasket structure of the corrosion-resistant carbon steel bolt of the present invention.
In the figure: 1. a rubber sealing plug; 2. a protective cover; 3. a nut; 4. a screw; 5. a perfusion channel; 6. fine oil outlet holes; 7. a drag reduction tip; 8. an anticorrosive cured layer; 9. and a gasket.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a corrosion-resistant carbon steel bolt, includes protective cover 2, nut 3 and screw rod 4, the top cover of nut 3 is equipped with protective cover 2, the bottom welding of nut 3 has screw rod 4, be provided with on nut 3 and the screw rod 4 and fill passageway 5, the top of filling passageway 5 is provided with rubber sealing plug 1, the outside of screw rod 4 is provided with out oily pore 6, the extexine of screw rod 4 is provided with anticorrosive cured layer 8, the bottom of nut 3 bonds through polyurethane glue has sealed pad 9, the bottom welding of screw rod 4 has drag reduction end 7.
Wherein, the protective cover 2 is made of PP thermoplastic material, and the sealing gasket 9 is made of TPO material.
In this embodiment, as shown in fig. 3, the gasket 9 is made of TPO material, and has high strength, certain elasticity, and significant sealing effect.
Wherein, the oil outlet pore 6 is communicated with the filling channel 5.
Wherein the anticorrosion cured layer 8 is a silicone coating.
In this embodiment, as shown in fig. 2, the anticorrosion cured layer 8 is an organic silicon coating, has excellent characteristics of high and low temperature resistance, electrical insulation, oxidation resistance stability, flame retardancy, hydrophobicity, corrosion resistance, no toxicity, no odor, physiological inertia and the like, and plays a good role in protecting the screw rod 4.
Wherein, the outer side of the screw rod 4 is provided with an external thread.
In this embodiment, as shown in fig. 1, the external threads disposed on the outer side facilitate connection with the corresponding thread bushing.
It should be noted that, the utility model relates to a corrosion-resistant carbon steel bolt, in operation, utilize drag reduction end 7 to make carbon steel bolt play the effect of drag reduction at the in-process of screwing in, and nut 3 and screw rod 4 are made for the carbon steel material, intensity, rigidity and stability are strong, anticorrosive cured layer 8 is the organosilicon coating, have high and low temperature resistant, electrical insulation, oxidation resistance stability, fire-retardant, hydrophobic, corrosion-resistant, nontoxic and tasteless and physiological inertia's excellent characteristic, play the effect of protection to screw rod 4 very well, when this carbon steel bolt screws up and is difficult to unload when the component, open rubber sealing plug 1 and inject lubricating oil into pouring channel 5, and lubricating oil goes into the junction with the component through oil outlet pore 6, convenient to detach after soaking, utilize protective cover 2 to make for the PP thermoplastic material, have higher shock resistance, mechanical property is tough, resist multiple organic solvent and acid-base corrosion, good stability and durability.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a corrosion-resistant carbon steel bolt, includes protective cover (2), nut (3) and screw rod (4), its characterized in that: the top cover of nut (3) is equipped with protective cover (2), the bottom welding of nut (3) has screw rod (4), be provided with on nut (3) and screw rod (4) and fill passageway (5), the top of filling passageway (5) is provided with rubber sealing plug (1), the outside of screw rod (4) is provided with oil outlet pore (6), the extexine of screw rod (4) is provided with anticorrosive cured layer (8), the bottom of nut (3) bonds through polyurethane glue has sealed pad (9), the bottom welding of screw rod (4) has drag reduction end (7).
2. A corrosion resistant carbon steel bolt according to claim 1 wherein: the protective cover (2) is made of PP thermoplastic material, and the sealing gasket (9) is made of TPO material.
3. A corrosion resistant carbon steel bolt according to claim 1 wherein: the oil outlet pore (6) is communicated with the filling channel (5).
4. A corrosion resistant carbon steel bolt according to claim 1 wherein: the anticorrosion curing layer (8) is an organic silicon coating.
5. A corrosion resistant carbon steel bolt according to claim 1 wherein: and the outer side of the screw rod (4) is provided with an external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471977.2U CN211951120U (en) | 2019-12-31 | 2019-12-31 | Corrosion-resistant carbon steel bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471977.2U CN211951120U (en) | 2019-12-31 | 2019-12-31 | Corrosion-resistant carbon steel bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951120U true CN211951120U (en) | 2020-11-17 |
Family
ID=73188745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922471977.2U Active CN211951120U (en) | 2019-12-31 | 2019-12-31 | Corrosion-resistant carbon steel bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951120U (en) |
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2019
- 2019-12-31 CN CN201922471977.2U patent/CN211951120U/en active Active
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