CN210623362U - High-strength anti-loosening bolt - Google Patents
High-strength anti-loosening bolt Download PDFInfo
- Publication number
- CN210623362U CN210623362U CN201921261706.8U CN201921261706U CN210623362U CN 210623362 U CN210623362 U CN 210623362U CN 201921261706 U CN201921261706 U CN 201921261706U CN 210623362 U CN210623362 U CN 210623362U
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- China
- Prior art keywords
- screw rod
- bolt head
- cylinder
- spacing
- retaining ring
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Abstract
The utility model provides an anti not hard up bolt of excelling in, including circular bolt head, screw rod, spring washer and plain washer, circular bolt head is fixed in the screw rod upper end, the equal cover of spring washer and plain washer is established on the screw rod, spring washer sets up at the plain washer upside, circular recess is seted up to circular bolt head up end, be equipped with the cylinder in the circular recess, circular recess internal surface is annular equidistance and sets up a plurality of spacing grooves, the cylinder outward surface is a plurality of spacing of annular equidistance installation, spacing is inserted in the spacing inslot, hexagonal hole is seted up to the cylinder up end, terminal surface retaining ring under the circular bolt head, the retaining ring cover is established on the screw rod, and the retaining ring outward surface is personally submitted annular equidistance and is seted up a plurality of openings, compares with prior art, the utility model discloses following beneficial effect has: the function of preventing manual random disassembly is achieved, and space is provided for sawing off the screw rod.
Description
Technical Field
The utility model relates to an anti not hard up bolt of excelling in belongs to fastener technical field.
Background
Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. At present, the head position of bolt is because of exposing in the external world, very easily by the random dismantlement, and the protectiveness is not enough, and the bolt is when being difficult to dismantle, lacks the space of sawing the screw rod simultaneously.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a high-strength anti not hard up bolt to the head position who proposes the bolt in solving above-mentioned background art is because of exposing in the external world, is pulled down at will very easily, and the protectiveness is not enough, and the bolt is when being difficult to the dismantlement simultaneously, lacks the problem in the space of sawing the screw rod, the utility model discloses prevent artificially dismantling at will, provide the space of sawing the screw rod.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an anti not hard up bolt of excelling in, includes circular bolt head, screw rod, spring washer and plain washer, circular bolt head is fixed in the screw rod upper end, the equal cover of spring washer and plain washer is established on the screw rod, spring washer sets up at the plain washer upside, circular recess is seted up to circular bolt head up end, be equipped with the cylinder in the circular recess, a plurality of spacing grooves are seted up to circular recess internal surface annular equidistance, a plurality of spacing strips of annular equidistance installation are personally submitted to the cylinder outward appearance, spacing strip assigns into the spacing inslot, the hexagonal hole is seted up to the cylinder up end, terminal surface retaining ring under the circular bolt head, the retaining ring cover is established on the screw rod, and the retaining ring outward appearance is personally submitted annular equidistance and.
Furthermore, the limiting strip and the cylinder are of an integral structure, and the round bolt head and the screw rod are of an integral structure.
Further, the outer surface of the round bolt head is processed with a strip-shaped line.
Further, a plurality of rubber strips are pasted on the outer surface of the lower end of the cylinder through glue, and the rubber strips and the limiting strips are arranged alternately.
The utility model has the advantages that: the utility model discloses a cylinder that will set up the hexagonal hole takes out from circular bolt head in, and then make circular bolt head lose the position that can supply the instrument joint, increase the degree of difficulty of dismantling, play the effect of preventing artificially dismantling at will, the fixed retaining ring of seting up the opening on circular bolt head, and then back in twisting the carrier with the screw rod, the retaining ring is in between circular bolt head and the carrier, under the screw rod is difficult to dismantle the condition because of reasons such as corrosion, provide the space for sawing the screw rod, set up a plurality of openings on the retaining ring simultaneously, play the effect that reduces sawing retaining ring work load.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a high-strength anti-loosening bolt of the present invention;
fig. 2 is a perspective view of a circular bolt head in the high-strength anti-loosening bolt of the present invention;
FIG. 3 is a perspective view of a cylinder in a high-strength anti-loosening bolt of the present invention;
fig. 4 is an assembly schematic diagram of a retainer ring and a circular bolt head in the high-strength anti-loosening bolt of the present invention;
in the figure: 1-round bolt head, 2-screw rod, 3-elastic washer, 4-flat washer, 5-retainer ring, 6-through hole, 7-cylinder, 8-hexagonal hole, 9-round groove, 10-spacing groove, 11-spacing strip and 12-rubber strip.
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.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an anti bolt that becomes flexible of excel in, includes circular bolt head 1, screw rod 2, elastic washer 3 and flat washer 4, and circular bolt head 1 is fixed in 2 upper ends of screw rod, and elastic washer 3 and flat washer 4 are all established on screw rod 2, and elastic washer 3 sets up at flat washer 4 upside, twists screw rod 2 in the threaded hole on the carrier in the front, establish screw rod 2 with elastic washer 3 and flat washer 4 cover, and then elastic washer 3 plays and prevents that screw rod 2 is at will not hard up effect.
The upper end face of a circular bolt head 1 is provided with a circular groove 9, a cylinder 7 is arranged in the circular groove 9, the inner surface of the circular groove 9 is provided with a plurality of limiting grooves 10 in an annular equal distance, the outer surface of the cylinder 7 is provided with a plurality of limiting strips 11 in an annular equal distance, the limiting strips 11 are inserted in the limiting grooves 10, the upper end face of the cylinder 7 is provided with a hexagonal hole 8, when the screw 2 is required to be screwed into a threaded hole on a carrier, the cylinder 7 is inserted in the circular groove 9, and the limiting strips 11 are respectively inserted in the limiting grooves 10, so that the assembly of the cylinder 7 and the circular bolt head 1 is completed, meanwhile, the limiting strips 11 play a role in preventing the cylinder 7 from randomly rotating in the circular groove 9, after an inner hexagonal wrench is inserted in the hexagonal hole 8, the screw 2 can be screwed by the inner hexagonal wrench, after the installation, the cylinder 7 is drawn out from the circular groove 9, so that the circular bolt head 1 loses a part for, the difficulty of disassembly is increased, and the effect of preventing manual random disassembly is achieved.
End face retaining ring 5 under circular bolt head 1, retaining ring 5 cover is established on screw rod 2, and retaining ring 5 outward surface is annular equidistance and sets up a plurality of openings 6, the retaining ring 5 of opening 6 is seted up to the fixed on circular bolt head 1, and then in the threaded hole back on screwing in the carrier with screw rod 2, retaining ring 5 is in between circular bolt head 1 and the carrier, under the difficult dismantlement condition of reason such as corrosion at screw rod 2, at first, retaining ring 5 is sawed open, the screw rod 2 is sawed off afterwards, realize providing the purpose in space for the sawed off screw rod 2, set up a plurality of openings 6 on retaining ring 5 simultaneously, play the effect that reduces sawed off retaining ring 5 work load.
The outer surface of the round bolt head 1 is provided with the strip-shaped lines, and the strip-shaped lines are processed on the round bolt head 1, so that the friction coefficient of the outer surface of the round bolt head 1 is improved.
A plurality of rubber strips 12 are pasted through glue to the outer surface of the lower end of the cylinder 7, the rubber strips 12 and the limiting strips 11 are arranged alternately, when the circular bolt head 1 is placed downwards, the cylinder 7 is inserted into the circular groove, the rubber strips 12 are in interference fit with the circular groove 9, and then the cylinder 7 is prevented from falling from the circular groove 9 under the static friction effect of the rubber strips 12 and the inner wall of the circular groove 9.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (4)
1. The utility model provides an anti not hard up bolt of excel in, includes circular bolt head, screw rod, elasticity packing ring and plain washer, its characterized in that: the round bolt head is fixed in the screw rod upper end, the equal cover of spring washer and plain washer is established on the screw rod, spring washer sets up at the plain washer upside, round groove is seted up to round bolt head up end, be equipped with the cylinder in the round groove, a plurality of spacing grooves are seted up to round groove internal surface for annular equidistance, a plurality of spacing of annular equidistance installation are personally submitted to the cylinder outward surface, spacing is inserted in the spacing inslot, the hexagonal hole is seted up to the cylinder up end, terminal surface retaining ring under the round bolt head, the retaining ring cover is established on the screw rod, and the retaining ring outward surface is personally submitted annular equidistance and is seted up a plurality of openings.
2. The high-strength anti-loosening bolt according to claim 1, wherein: the limiting strip and the cylinder are of an integral structure, and the round bolt head and the screw rod are of an integral structure.
3. The high-strength anti-loosening bolt according to claim 1, wherein: the outer surface of the round bolt head is provided with strip-shaped lines.
4. The high-strength anti-loosening bolt according to claim 1, wherein: a plurality of rubber strips are pasted on the outer surface of the lower end of the cylinder through glue, and the rubber strips and the limiting strips are arranged alternately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261706.8U CN210623362U (en) | 2019-08-06 | 2019-08-06 | High-strength anti-loosening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261706.8U CN210623362U (en) | 2019-08-06 | 2019-08-06 | High-strength anti-loosening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623362U true CN210623362U (en) | 2020-05-26 |
Family
ID=70762749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921261706.8U Active CN210623362U (en) | 2019-08-06 | 2019-08-06 | High-strength anti-loosening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623362U (en) |
-
2019
- 2019-08-06 CN CN201921261706.8U patent/CN210623362U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |