CN215720077U - Self-locking fastener with coating - Google Patents
Self-locking fastener with coating Download PDFInfo
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- CN215720077U CN215720077U CN202121801182.4U CN202121801182U CN215720077U CN 215720077 U CN215720077 U CN 215720077U CN 202121801182 U CN202121801182 U CN 202121801182U CN 215720077 U CN215720077 U CN 215720077U
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Abstract
The utility model relates to a self-locking fastener with a coating, comprising: the outer side wall of the fastening seat is provided with a T-shaped through hole which penetrates transversely; a threaded hole; tightening the screw; a self-locking assembly; plating; the self-locking assembly is arranged at the upper end of the fastening screw and used for preventing the fastening screw from loosening, and the coating is arranged on the outer surface of the fastening seat.
Description
Technical Field
The utility model relates to a self-locking fastener with a coating.
Background
The fastener is applied to various industries with connecting and fastening requirements, for example, the fastener is widely applied to vehicles, construction machinery, agricultural machinery, manufacturing machinery and the like, in some fastening occasions which do not need to be frequently disassembled, the prior art often adopts a mode of destroying a thread pair for self-locking fastening, for example, a patent with the application number of CN201921248366.5 discloses a self-locking fastener, the self-locking fastening mode adopted by the self-locking fastener is convenient and has good self-locking and anti-loosening effects, but when the self-locking fastener needs to be maintained and replaced after long-time use, the fastener is difficult to disassemble, fastened parts are easy to damage in a violent disassembling process, economic cost is improved, meanwhile, the corrosion resistance of the fastener is poor, a phenomenon of corrosion is easy to occur in the long-time use process, the fastening effect is reduced, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving one of the technical problems of the prior art.
The technical scheme of the utility model is realized as follows: a self-locking fastener with a coating, comprising:
the outer side wall of the fastening seat is provided with a T-shaped through hole which penetrates transversely;
a threaded hole;
tightening the screw;
a self-locking assembly;
plating;
the self-locking assembly is arranged at the upper end of the fastening screw and used for preventing the fastening screw from loosening, and the plating layer is arranged on the outer surface of the fastening seat.
The self-locking assembly further comprises:
a counter bore;
the horizontal section of the rotating block is oval, and arc-shaped notches are formed in two ends of the long axis of the rotating block;
the side walls of the clamping rods are provided with a pair of sliding blocks;
the clamping holes are matched with the clamping rods;
the sliding groove is matched with the sliding block;
a spring;
wherein, the counter bore sets up the upper surface at holding screw, change the piece and rotate the setting in the counter bore through the pivot, the activity of kelly level sets up in holding screw, the one end of kelly be the sphere form and with the lateral wall butt of changeing the piece, two kellies in the left and right sides of changeing the piece respectively, the spout sets up in holding screw, the spring setting in the spout and the both ends of spring respectively with the lateral wall of slider and the inner wall butt of spout, a plurality of calorie holes set up on the inner wall of screw hole.
The plating layer further includes:
a semi-gloss nickel layer;
a full-gloss nickel layer;
a chromium layer;
the semi-gloss nickel layer is arranged on the outer surface of the fastening seat, the full gloss nickel layer is arranged on the outer surface of the semi-gloss nickel layer, and the chromium layer is arranged on the outer surface of the full gloss nickel layer.
The plating layer further includes:
the thickness of the high-sulfur layer is between 2 and 8 mu m, and the high-sulfur layer is positioned between the semigloss nickel layer and the all-gloss nickel layer.
The plating layer further includes:
a microporous nickel layer located between the full gloss nickel layer and the chromium layer.
By adopting the technical scheme, compared with the prior art, the self-locking assembly can prevent the locking screw from loosening, is convenient to disassemble, does not need to be disassembled violently, reduces the phenomenon of damage of a fastened piece, can improve the corrosion resistance of the fastened piece by the coating, prevents the fastened piece from being corroded, and prolongs the service life of the fastened piece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a rotary block structure.
FIG. 3 is a schematic view of the structure of the plating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 3, an embodiment of the present application provides a self-locking fastener with a plated layer, including:
the outer side wall of the fastening seat 1 is provided with a T-shaped through hole 11 which penetrates through the fastening seat in the transverse direction;
a threaded hole 2;
a set screw 3;
a self-locking assembly 4;
a plating layer 5;
wherein, the screw hole 2 sets up and runs through to T font through-hole 11 vertically downwards at the upper surface of fastening seat 1, holding screw 3 sets up in screw hole 2, auto-lock subassembly 4 sets up and is used for preventing that holding screw 3 is not hard up in holding screw 3's upper end, cladding material 5 sets up the surface at fastening seat 1.
In the embodiment of the application, adopt foretell auto-lock fastener with coating, in the use, with holding screw in screw hole, the back is screwed to holding screw, the auto-lock subassembly can be with holding screw fixation in the screw hole, thereby prevent that not hard up phenomenon from appearing in holding screw, and the auto-lock subassembly is dismantled conveniently, need not violent dismantlement, the phenomenon of damage has been reduced to appear by the fastener, the cladding material can improve the corrosion resisting property of fastener, prevent that the fastener from appearing by the phenomenon of corruption, the life of fastener has been improved.
Example 2:
in this embodiment, in addition to the structural features of the previous embodiment, the self-locking assembly further includes:
a counterbore 41;
the horizontal section of the rotating block 42 is oval, and arc-shaped notches 421 are formed in two ends of the long axis of the rotating block 42;
the clamping device comprises two clamping rods 43, wherein a pair of sliding blocks 431 is arranged on the side wall of each clamping rod 43;
a plurality of clamping holes 44, wherein the clamping holes 44 are matched with the clamping rods 43;
the sliding groove 45 is matched with the sliding block 431;
a spring 46;
wherein, counter bore 41 sets up the upper surface at holding screw 3, change the piece 42 and rotate the setting in counter bore 41 through pivot 422, the horizontal activity of kelly 43 sets up in holding screw 3, the one end of kelly 43 be the sphere form and with the lateral wall butt of changeing piece 42, two kellies 43 respectively in the left and right sides of changeing piece 42, spout 45 sets up in holding screw 3, spring 46 sets up in spout 45 and spring 46's both ends respectively with the lateral wall of slider 431 and the inner wall butt of spout 45, a plurality of calorie of holes 44 set up on the inner wall of screw hole 2.
In the embodiment of the application, the self-locking fastener with the coating is adopted, in the using process, after the fastening screw is screwed down, the rotating block is rotated, along with the rotation of the rotating block, one end of the clamping rod, which is abutted against the side wall of the rotating block, is gradually moved to the long shaft end of the rotating block from the short shaft end of the rotating block and is finally clamped into the arc-shaped notch, and simultaneously, after the long shaft end of the rotating block is abutted against the clamping rod, one end, which is far away from the rotating block, of the clamping rod extends out of the fastening screw and is matched with the clamping hole on the threaded hole, so that the rotation of the fastening screw is limited, the phenomenon of loosening of the fastening screw is prevented, the self-locking effect is realized, meanwhile, the sliding block slides along the sliding groove and extrudes the spring to compress the spring, when the fastener is disassembled, the rotating block is rotated again, one end of the clamping rod is separated from the arc-shaped notch, the spring resets to push the sliding block, so that the clamping rod is driven to reset, one end of the clamping rod is abutted against the short shaft end of the rotating block again, thereby screwing the holding screw and dismantling the fastener, reduced violently to dismantle and lead to the phenomenon that the fastener appears damaging.
Example 3:
in this embodiment, in addition to the structural features of the previous embodiment, the plating layer 5 further includes:
a semi-gloss nickel layer 51;
a full gloss nickel layer 52;
a chromium layer 53;
wherein, the semi-gloss nickel layer 51 is arranged on the outer surface of the fastening seat 1, the full gloss nickel layer 52 is arranged on the outer surface of the semi-gloss nickel layer 51, and the chromium layer 53 is arranged on the outer surface of the full gloss nickel layer 52.
In the embodiment of the application, the self-locking fastener with the coating is adopted, in the using process, the semi-gloss nickel layer can effectively improve the corrosion resistance of the fastener, the full-gloss nickel layer can improve the appearance brightness of the fastener, and the chromium layer can improve the surface hardness of the fastener.
Example 4:
in this embodiment, in addition to the structural features of the previous embodiment, the plating layer 5 further includes:
a high-sulfur layer 54, the thickness of the high-sulfur layer 54 is between 2 μm and 8 μm, and the high-sulfur layer 54 is positioned between the semi-gloss nickel layer 51 and the all-gloss nickel layer 52.
In the embodiment of the application, by adopting the self-locking fastener with the coating, the high-sulfur coating can enlarge the point potential difference in the use process, and the corrosion resistance of the fastener is further improved.
Example 5:
in this embodiment, in addition to the structural features of the previous embodiment, the plating layer 5 further includes:
a microporous nickel layer 55, said microporous nickel layer 55 being located between the full gloss nickel layer 52 and the chromium layer 53.
In the embodiment of the application, the self-locking fastener with the coating is adopted, and in the using process, the damage of the corrosion process to the fastener can be blocked by the microporous nickel layer, so that the corrosion resistance of the fastener is comprehensively improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A self-locking fastener with a coating, comprising:
the outer side wall of the fastening seat is provided with a T-shaped through hole which penetrates transversely;
a threaded hole;
tightening the screw;
a self-locking assembly;
plating;
the self-locking assembly is arranged at the upper end of the fastening screw and used for preventing the fastening screw from loosening, and the plating layer is arranged on the outer surface of the fastening seat.
2. The coated self-locking fastener of claim 1, wherein the self-locking assembly further comprises:
a counter bore;
the horizontal section of the rotating block is oval, and arc-shaped notches are formed in two ends of the long axis of the rotating block;
the side walls of the clamping rods are provided with a pair of sliding blocks;
the clamping holes are matched with the clamping rods;
the sliding groove is matched with the sliding block;
a spring;
wherein, the counter bore sets up the upper surface at holding screw, change the piece and rotate the setting in the counter bore through the pivot, the activity of kelly level sets up in holding screw, the one end of kelly be the sphere form and with the lateral wall butt of changeing the piece, two kellies in the left and right sides of changeing the piece respectively, the spout sets up in holding screw, the spring setting in the spout and the both ends of spring respectively with the lateral wall of slider and the inner wall butt of spout, a plurality of calorie holes set up on the inner wall of screw hole.
3. The coated self-locking fastener of claim 1, wherein the coating further comprises:
a semi-gloss nickel layer;
a full-gloss nickel layer;
a chromium layer;
the semi-gloss nickel layer is arranged on the outer surface of the fastening seat, the full gloss nickel layer is arranged on the outer surface of the semi-gloss nickel layer, and the chromium layer is arranged on the outer surface of the full gloss nickel layer.
4. The coated self-locking fastener of claim 3, wherein the coating further comprises:
the thickness of the high-sulfur layer is between 2 and 8 mu m, and the high-sulfur layer is positioned between the semigloss nickel layer and the all-gloss nickel layer.
5. The coated self-locking fastener of claim 4, wherein the coating further comprises:
a microporous nickel layer located between the full gloss nickel layer and the chromium layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121801182.4U CN215720077U (en) | 2021-08-03 | 2021-08-03 | Self-locking fastener with coating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121801182.4U CN215720077U (en) | 2021-08-03 | 2021-08-03 | Self-locking fastener with coating |
Publications (1)
Publication Number | Publication Date |
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CN215720077U true CN215720077U (en) | 2022-02-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202121801182.4U Active CN215720077U (en) | 2021-08-03 | 2021-08-03 | Self-locking fastener with coating |
Country Status (1)
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CN (1) | CN215720077U (en) |
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2021
- 2021-08-03 CN CN202121801182.4U patent/CN215720077U/en active Active
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