CN213808409U - High-strength corrosion-resistant carbon steel nut - Google Patents
High-strength corrosion-resistant carbon steel nut Download PDFInfo
- Publication number
- CN213808409U CN213808409U CN202022383779.3U CN202022383779U CN213808409U CN 213808409 U CN213808409 U CN 213808409U CN 202022383779 U CN202022383779 U CN 202022383779U CN 213808409 U CN213808409 U CN 213808409U
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- Prior art keywords
- nut
- groove
- oiling
- oil
- layer
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- 230000007797 corrosion Effects 0.000 title claims abstract description 34
- 238000005260 corrosion Methods 0.000 title claims abstract description 34
- 229910000975 Carbon steel Inorganic materials 0.000 title claims abstract description 19
- 239000010962 carbon steel Substances 0.000 title claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 229910000734 martensite Inorganic materials 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 21
- 229910052759 nickel Inorganic materials 0.000 claims description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 16
- 229910052804 chromium Inorganic materials 0.000 claims description 16
- 239000011651 chromium Substances 0.000 claims description 16
- 239000000945 filler Substances 0.000 claims description 5
- 238000005242 forging Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 54
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000703 anti-shock Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a high-strength corrosion-resistant type carbon steel nut belongs to fastening part technical field, including the nut body, welding forges on the nut body has the hexagon screw to follow, the hexagon screw forges along the lower extreme welding has nut taper seat, the internal center of nut switches on threaded hole, threaded hole is provided with thread tooth, the internal inlayer left end of nut is provided with the oiling single groove, the internal inlayer right-hand member of nut is provided with the oiling double flute. The utility model relates to a novelty, be convenient for operation and excellent in use effect can improve nut intensity, and the pull resistance is strong, and non-deformable damages has improved the life of nut to can make the nut have corrosion resistance, be difficult for causing corrosion damage, improve the life of nut, still can paint antirust oil or lubricating oil for the inside thread tooth of nut, can make the nut fastening use, more make the nut have anti-seismic property, difficult cause the nut use in not hard up, improved the practicality.
Description
Technical Field
The utility model relates to a fastening part technical field especially relates to a high-strength corrosion-resistant type carbon steel nut.
Background
Nuts are the most commonly used fasteners, usually screwed together with bolts or screws for fastening. After the nut and the bolt are screwed and fixed, the nut and the bolt are seriously rusted under the actions of long-time oxidation, moisture rusting and the like, and are difficult to be well disassembled.
Patent number CN206017397U discloses a nut, which comprises an outer nut, a first inner nut and a second inner nut, wherein a third screw hole is arranged in the middle of the outer nut, a first circular groove and a second circular groove are respectively arranged at two ends of the outer nut, the third screw hole is respectively communicated with the first circular groove and the second circular groove, the first inner nut is an elliptical nut, a first screw hole is arranged in the middle of the first inner nut, the first inner nut has a height of 10mm, the second inner nut is a hollow member, the second inner nut comprises a base, a rectangular tube is arranged in the middle of the base, a second screw hole is arranged on the inner side wall of the rectangular tube, the rectangular tube has a height of 10mm, one end of the outer nut is clamped with the first inner nut through the first circular groove, the first inner nut and the outer nut are not concentric, the other end of the outer nut is clamped with the second inner nut through the second circular groove, the outer nut and the outer nut are concentric, the thread parameters of the outer nut, the first inner nut and the second inner nut are the same.
The above patents have the following disadvantages: 1. the strength is low, the tensile strength is not high, and the deformation and the damage are easy to happen; 2. the nut is not corrosion-resistant, so that the nut is easily corroded and damaged, and the service life is shortened; 3. rust preventive oil or lubricating oil cannot be applied to the thread teeth inside the nut; 4. the nut has no vibration resistance, is easy to loosen in the use process, and reduces the practicability. Therefore, a high-strength corrosion-resistant carbon steel nut is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-strength corrosion-resistant type carbon steel nut, which has novel design, convenient operation and good use effect, aims to improve the strength of the nut through a martensite steel layer, has strong tensile strength, is not easy to deform and damage, and prolongs the service life of the nut; the protective chromium layer and the protective nickel layer can enable the nut to have corrosion resistance, so that the nut is not easy to corrode and damage, and the service life of the nut is prolonged; through the single oiling groove and the double oiling grooves, antirust oil or lubricating oil can be coated on the thread teeth inside the nut, so that the nut can be fastened for use; through the antislip strip, can make the nut have anti-vibration, be difficult for causing the nut use in not hard up, improved the practicality.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of high-strength corrosion-resistant type carbon steel nut, including the nut body, welding forges on the nut body has the hexagonal spiral to follow, the hexagonal spiral has the screw platform to follow upper end welding and forges, the hexagonal spiral forges along lower extreme welding and has the nut taper seat, the internal center of nut switches on threaded hole, threaded hole is provided with thread tooth, the internal inlayer left end of nut is provided with the oiling single groove, the internal inlayer right-hand member of nut is provided with the oiling double flute, oiling single groove and oiling double flute all communicate in the screw hole inboardly.
Optionally, an oil filling groove is formed in the oil filling double groove, an oil filling hole is formed in the upper end of the oil filling groove, a branch oil groove is formed in the inner side of the oil filling groove in a communicated mode, and an oil outlet is formed in the left end of the branch oil groove.
Optionally, the nut body inner layer is forged with a martensite steel layer, the martensite steel layer outer layer is compositely forged with a protective nickel layer, and the protective nickel layer outer layer is compositely forged with a protective chromium layer.
Optionally, an oil filling groove and a branch oil groove are also communicated and arranged in the oil filling single groove.
Optionally, the side wall of the lower end of the nut conical seat is welded with an anti-slip strip.
The utility model has the advantages as follows:
1. the utility model relates to a novelty, be convenient for operation and excellent in use effect, through being equipped with the martensite steel layer, nut body inlayer center main part forges for the martensite steel layer and forms, and the martensite steel layer is through the quick quenching of high temperature austenite structure change lath martensite structure into, through the hot rolling, cold rolling is realized, the martensite steel layer has higher tensile strength, its highest strength can reach 1600MPa, need temper the processing in order to improve its plasticity, make it under so high intensity, still have sufficient formability, be the steel layer of present high strength steel medium strength grade, by the forged nut body on martensite steel layer, its intensity improves, so, can improve nut intensity, high tensile strength, non-deformable damages, the life of nut has been improved.
2. The utility model discloses a be equipped with protection chromium layer and protection nickel layer, nut internal layer center main part forges for the martensite steel layer and forms, and the outside on martensite steel layer is electroplated the protection by protection chromium layer and protection nickel layer, the chromium that adopts in the protection chromium layer has very high corrosion resistance, in the air, even under the state of red heat, the oxidation is also very slow and insoluble in water, and the nickel that adopts in the protection nickel layer has very high corrosion resistance equally, electroplate in the martensite steel layer skin with protection chromium layer and protection nickel layer, can carry out anticorrosion protection to its nut body's center main part well, thus, can make the nut have corrosion resistance, be difficult for causing corrosion damage, the life of nut has been improved.
3. The utility model discloses a be equipped with oiling list groove and oiling double flute, when installing the use to the nut, need paint antirust oil or lubricating oil to the thread in its nut, antirust oil or lubricating oil are paintd to the thread in the nut, be rust-resistant or card is dead in order to prevent the thread of nut, pour into antirust oil or lubricating oil respectively through the oiling list groove of the nut body and the oil filler point in oiling double flute, flow into branch oil groove through the oil filler point, flow to the thread in the nut by the oil-out of branch oil groove again, so, can paint antirust oil or lubricating oil for the inside thread of nut, can make the nut fastening use.
4. The utility model discloses a be equipped with the antislip strip, after installation fastening nut accomplished, the antislip strip on the lateral wall of nut awl seat lower extreme can rub the restriction to the installation contact surface, when the nut received vibrations, because the antiskid restriction of antislip strip for whole nut can not become flexible, so, can make the nut have anti-vibration nature, is difficult for causing in the nut use not hard up, has improved the practicality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a high-strength corrosion-resistant carbon steel nut according to an embodiment of the present invention;
fig. 2 is a schematic view of an oil injection double-groove structure of a high-strength corrosion-resistant carbon steel nut according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a nut body of a high-strength corrosion-resistant carbon steel nut according to an embodiment of the present invention.
In the figure: 1. anti-slip strips; 2. a nut cone seat; 3. a nut body; 4. a hexagonal screw edge; 5. a helical platform edge; 6. a single oil injection groove; 7. a threaded hole; 8. double grooves for oil injection; 9. thread teeth; 10. an oil outlet; 11. an oil filler hole; 12. an oil injection groove; 13. a branch oil groove; 14. a protective chromium layer; 15. a protective nickel layer; 16. a layer of martensitic steel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A high-strength corrosion-resistant carbon steel nut according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
Referring to fig. 1, the high-strength corrosion-resistant carbon steel nut provided by the embodiment of the invention comprises a nut body 3, a hexagonal screw edge 4 is welded and forged on the nut body 3, a screw platform edge 5 is welded and forged on the upper end of the hexagonal screw edge 4, a nut conical seat 2 is welded and forged on the lower end of the hexagonal screw edge 4, a threaded hole 7 is formed in the center of the interior of the nut body 3 in a conduction manner, screw threads 9 are arranged in the threaded hole 7, an oil injection single groove 6 is arranged at the left end of the inner layer of the nut body 3, an oil injection double groove 8 is arranged at the right end of the inner layer of the nut body 3, the oil injection single groove 6 and the oil injection double groove 8 are both communicated with the inner side of the threaded hole 7, so that the strength of the nut can be improved, the tensile strength is high, the nut is not prone to deform, the damage is improved, the service life of the nut can be prolonged, the nut has corrosion resistance, the corrosion resistance is not prone to cause corrosion damage, the service life of the nut is improved, and rust preventive oil or lubricating oil can be smeared on the screw threads inside the nut, can make the nut fastening use, more make the nut have shock resistance, be difficult for causing in the nut use not hard up, improve the practicality.
Referring to fig. 2, an oil filling groove 12 is arranged in the double oil filling grooves 8, an oil filling hole 11 is formed in the upper end of the oil filling groove 12, a branch oil groove 13 is formed in the inner side of the oil filling groove 12 in a communicated manner, an oil outlet 10 is formed in the left end of the branch oil groove 13, and the double oil filling grooves 8 are used for coating antirust oil or lubricating oil on thread teeth inside the nut, so that the nut can be fastened for use.
Referring to fig. 3, a martensitic steel layer 16 is forged on the inner layer of the nut body 3, a protective nickel layer 15 is compositely forged on the outer layer of the martensitic steel layer 16, a protective chromium layer 14 is compositely forged on the outer layer of the protective nickel layer 15, and the nut body 3 is a forged whole body of the nut.
Referring to fig. 1, the single oiling groove 6 is also provided with an oiling groove 12 and a branch oil groove 13 in a communicating manner.
Referring to fig. 1, the anti-slip strip 1 is welded and installed on the side wall of the lower end of the nut conical seat 2, and the anti-slip strip 1 is used for enabling the nut to have anti-shock performance, so that looseness of the nut in the using process is not easy to cause, and the practicability is improved.
The embodiment of the utility model provides a high strength corrosion-resistant shaped carbon steel nut, in using, through being equipped with martensite steel layer 16, nut body 3 inlayer center main part forges for martensite steel layer 16 and forms, and martensite steel layer 16 is through the quick quenching of high temperature austenite structure change lath martensite structure into, realize through hot rolling, cold rolling, martensite steel layer 16 has higher tensile strength, its maximum strength can reach 1600MPa, need to temper to improve its plasticity, make it under so high strength, still have sufficient formability, be the steel layer of present high strength steel medium strength grade, by the forged nut body 3 of martensite steel layer 16, its intensity improves, so, can improve nut strength, tensile strength is strong, non-deformable damages, the life of nut has been improved; the nut is provided with the protective chromium layer 14 and the protective nickel layer 15, the central main body of the inner layer of the nut body 3 is formed by forging the martensitic steel layer 16, the outer side of the martensitic steel layer 16 is electroplated and protected by the protective chromium layer 14 and the protective nickel layer 15, chromium adopted in the protective chromium layer 14 has high corrosion resistance, and in the air, even in a red hot state, the oxidation is slow and the water is insoluble, nickel adopted in the protective nickel layer 15 also has high corrosion resistance, and the protective chromium layer 14 and the protective nickel layer 15 are electroplated on the outer layer of the martensitic steel layer 16, so that the central main body of the nut body 3 can be well protected by corrosion resistance, the corrosion damage is not easy to cause, and the service life of the nut is prolonged; by arranging the single oiling groove 6 and the double oiling grooves 8, when the nut is installed for use, antirust oil or lubricating oil needs to be smeared on the thread teeth 9 in the nut, the antirust oil or lubricating oil is smeared on the thread teeth 9 in the nut, in order to prevent the thread teeth 9 of the nut from rusting or being stuck, the antirust oil or the lubricating oil is respectively injected through the single oiling groove 6 of the nut body 3 and the oiling hole 11 of the double oiling groove 8, flows into the branch oil groove 13 through the oiling groove 12, and then flows onto the thread teeth 9 in the nut from the oil outlet 10 of the branch oil groove 13, so that the antirust oil or the lubricating oil can be smeared on the thread teeth 9 in the nut, and the nut can be fastened for use; through being equipped with antislip strip 1, after the installation fastening nut was accomplished, antislip strip 1 on the 2 lower extreme lateral walls of nut taper seat can carry out the friction restriction to the installation contact surface, when the nut received vibrations, because antislip strip 1's antiskid restriction for whole nut can not become flexible, so, can make the nut have anti-vibration nature, is difficult for causing in the nut use not hard up, has improved the practicality.
It should be noted that, the utility model relates to a high-strength corrosion-resistant type carbon steel nut, including antislip strip 1, nut taper seat 2, nut body 3, hexagonal spiral edge 4, screw platform edge 5, oiling single groove 6, screw hole 7, oiling double flute 8, thread tooth 9, oil-out 10, oil filler point 11, oiling groove 12, branch oil groove 13, protection chromium layer 14, protection nickel layer 15, martensite steel layer 16, above-mentioned component is the prior art product, by the needs of using of technical staff in the field, select, install and accomplish the debugging operation of component, ensure that each component can normally work, the part is general standard component or the part that technical staff in the field knows, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff, this applicant does not do specific restriction here.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The high-strength corrosion-resistant carbon steel nut is characterized in that: including the nut body (3), welding forging has hexagonal spiral shell along (4) on the nut body (3), hexagonal spiral shell has the screw platform along (5) along (4) upper end welding forging, hexagonal spiral shell has nut taper seat (2) along (4) lower extreme welding forging, nut body (3) inside center switches on threaded hole (7), be provided with thread (9) in screw hole (7), nut body (3) inlayer left end is provided with oiling single groove (6), nut body (3) inlayer right-hand member is provided with oiling double flute (8), oiling single groove (6) and oiling double flute (8) all communicate in screw hole (7) inboardly.
2. The high-strength corrosion-resistant type carbon steel nut as claimed in claim 1, wherein: be provided with oiling double flute (8) in and annotate oil groove (12), oil filler point (11) have been seted up to oiling groove (12) upper end, branch oil groove (13) have been seted up in oiling groove (12) inboard intercommunication, oil-out (10) have been seted up to branch oil groove (13) left end.
3. The high-strength corrosion-resistant type carbon steel nut as claimed in claim 1, wherein: the nut body (3) is characterized in that a martensite steel layer (16) is forged on the inner layer, a protective nickel layer (15) is compositely forged on the outer layer of the martensite steel layer (16), and a protective chromium layer (14) is compositely forged on the outer layer of the protective nickel layer (15).
4. The high-strength corrosion-resistant type carbon steel nut as claimed in claim 1, wherein: an oil filling groove (12) and a branch oil groove (13) are also communicated and arranged in the oil filling single groove (6).
5. The high-strength corrosion-resistant type carbon steel nut as claimed in claim 1, wherein: and the side wall of the lower end of the nut conical seat (2) is welded with an anti-slip strip (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022383779.3U CN213808409U (en) | 2020-10-23 | 2020-10-23 | High-strength corrosion-resistant carbon steel nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022383779.3U CN213808409U (en) | 2020-10-23 | 2020-10-23 | High-strength corrosion-resistant carbon steel nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808409U true CN213808409U (en) | 2021-07-27 |
Family
ID=76961197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022383779.3U Expired - Fee Related CN213808409U (en) | 2020-10-23 | 2020-10-23 | High-strength corrosion-resistant carbon steel nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808409U (en) |
-
2020
- 2020-10-23 CN CN202022383779.3U patent/CN213808409U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |