CN215762732U - High strength stainless steel fastener with locking function - Google Patents
High strength stainless steel fastener with locking function Download PDFInfo
- Publication number
- CN215762732U CN215762732U CN202120659286.XU CN202120659286U CN215762732U CN 215762732 U CN215762732 U CN 215762732U CN 202120659286 U CN202120659286 U CN 202120659286U CN 215762732 U CN215762732 U CN 215762732U
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- Prior art keywords
- nut
- pressing block
- loosening
- locking
- bolt
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 16
- 239000010935 stainless steel Substances 0.000 title claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Abstract
The utility model discloses a high-strength stainless steel fastener with an anti-loosening function, which comprises a bolt, an anti-loosening nut and an anti-loosening pressing block, wherein the anti-loosening nut and the anti-loosening pressing block are arranged on the bolt; the locking pressing block comprises a pressing block and a locking block arranged on the pressing block, the locking block is connected with a locking hole formed in one end of the bolt, and the pressing block is connected with the second nut. The nut locking device can lock and prevent looseness through the interaction between the first nut and the second nut, and can further lock the nut through the arranged looseness-preventing pressing block so as to prevent the nut from loosening and further prevent the fastening piece from losing the fastening function.
Description
Technical Field
The utility model relates to the field of fasteners, in particular to a high-strength stainless steel fastener with an anti-loosening function.
Background
Fasteners are a very widely used class of mechanical parts for fastening connections. The fastener has wide application industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees. Thus, one type of fastener that has a national standard is also referred to as a standard fastener, or simply a standard. For example, the bolt and the nut are the most common fasteners, the conventional nut does not have any anti-loose arrangement when in use, and after the nut is installed, if the time is too long, the nut may become loose and lose the fastening effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provides a high-strength stainless steel fastener with an anti-loosening function.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
a high-strength stainless steel fastener with a locking function comprises a bolt, a locking nut and a locking pressing block, wherein the locking nut and the locking pressing block are arranged on the bolt; the locking pressing block comprises a pressing block and a locking block arranged on the pressing block, the locking block is connected with a locking hole formed in one end of the bolt, and the pressing block is connected with the second nut. By adopting the technical scheme, the first nut and the second nut are not easy to loosen after being locked by utilizing the mutual locking action between the extrusion blocks and the inclined pressing blocks on the first nut and the second nut; the arranged anti-loosening washer is used for increasing loosening resistance between the first nut and the second nut; the arranged anti-loosening pressing block further compresses the anti-loosening nut, so that the anti-loosening nut is tightly fixed on the workpiece.
Preferably, the pressing block is a circular pressing block, one side of the circular pressing block is provided with an inner hexagon, and the other side of the circular pressing block is provided with a bolt avoiding groove. By adopting the technical scheme, the locking of the anti-loosening pressing block is facilitated; wherein, a positioning pin is arranged in the bolt avoiding groove; one side of the positioning pin is connected with the round pressing block, and the other side of the positioning pin is connected with one end of the bolt.
Preferably, the locking block comprises a guide post connecting the bolt avoiding groove and a screw rod arranged below the guide post. By adopting the technical scheme, the connection and the guiding are convenient.
Preferably, the locking hole comprises a guide hole connected with the guide post and a screw hole arranged at the bottom of the guide hole. By adopting the technical scheme, the connection and the guiding are convenient.
Preferably, the bolt and the first nut are made of stainless steel; the second nut and the anti-loosening pressing block are made of 45# steel. By adopting the technical scheme, the strength of the fastener is increased, the friction loss between materials is reduced, and the service life of the fastener is prolonged.
Preferably, the surfaces of the inclined pressing block and the extrusion block are provided with raised anti-skid lines, and the height of the anti-skid lines is set to be 0.2-1 mm; the inclined angle of the inclined pressing block and the inclined angle of the extrusion block are set to be 10-20 degrees. Adopt this technical scheme to the briquetting compresses tightly the extrusion piece when the locking of second nut, uses first nut and second nut locking each other, in order to prevent that the nut from becoming flexible.
The utility model has the beneficial effects that: novel in design, convenient to use, intensity is high, compares with prior art, can not only lock through the interact between first nut and the second nut locking, can be through the further lock nut of the locking briquetting that sets up moreover to prevent that the nut is not hard up, lead to the fastener to lose the fastening.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic view of a partial cross-sectional structure according to the present invention.
In the figure: the bolt comprises a bolt 1, a locknut 2, a locking pressing block 3, a first nut 4, a second nut 5, an inclined pressing block 6, an extrusion block 7, a locking washer 8, a pressing block 9, a locking block 10 and a positioning pin 11.
Detailed Description
The utility model is further described with reference to the accompanying drawings in which:
referring to fig. 1 to 3, the high-strength stainless steel fastener with the anti-loosening function comprises a bolt 1, and an anti-loosening nut 2 and an anti-loosening pressing block 3 which are arranged on the bolt 1, wherein the anti-loosening nut 2 comprises a first nut 4 and a second nut 5 arranged on the first nut 4, an inclined pressing block 6 is arranged on the second nut 5, the inclined pressing block 6 is connected with an extrusion block 7 arranged on the first nut 4, and an anti-loosening washer 8 is arranged between the extrusion block 7 and the inclined pressing block 6; the locking pressing block 3 comprises a pressing block 9 and a locking block 10 arranged on the pressing block 9, the locking block 10 is connected with a locking hole formed in one end of the bolt 1, and the pressing block 9 is connected with the second nut 5. By adopting the technical scheme, the first nut 4 and the second nut 5 are not easy to loosen after being locked by utilizing the mutual locking action between the extrusion block 7 and the inclined pressing block 6 on the first nut 4 and the second nut 5; the anti-loose washer 8 is arranged for increasing the loosening resistance between the first nut 4 and the second nut 5; the arranged locknut 2 is further pressed by the lockpressing block 3, so that the locknut 2 is tightly fixed on the workpiece.
Preferably, the pressing block 9 is a circular pressing block, one side of the circular pressing block is provided with an inner hexagon, and the other side of the circular pressing block is provided with a bolt avoiding groove. By adopting the technical scheme, the locking of the anti-loosening pressing block 3 is facilitated; wherein, a positioning pin 11 is arranged in the bolt avoiding groove; one side of the positioning pin 11 is connected with the circular pressing block, and the other side is connected with one end of the bolt 1, so that the pressing block 9 is prevented from loosening.
Preferably, the locking block 10 includes a guide post connecting the bolt escape groove and a screw disposed below the guide post. By adopting the technical scheme, the connection and the guiding are convenient.
Preferably, the locking hole comprises a guide hole connected with the guide post and a screw hole arranged at the bottom of the guide hole. By adopting the technical scheme, the connection and the guiding are convenient.
Preferably, the bolt 1 and the first nut 4 are made of stainless steel; the second nut 5 and the anti-loosening pressing block 3 are made of 45# steel. By adopting the technical scheme, the strength of the fastener is increased, the friction loss between materials is reduced, and the service life of the fastener is prolonged.
Preferably, the surfaces of the inclined pressing block 6 and the extrusion block 7 are provided with raised anti-skid grains, and the height of the anti-skid grains is set to be 0.2-1 mm; the inclined angle of the inclined pressing block 6 and the extrusion block 7 is set to be 10-20 degrees. By adopting the technical scheme, the second nut 5 is convenient to press the extrusion block 7 by the inclined pressing block 6 when being locked, and the first nut 4 and the second nut 5 are mutually locked to prevent the nut from loosening. DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In actual use, a bolt is firstly installed on a workpiece, then a first nut is screwed to the bolt, a second nut is screwed to the first nut, and a pressure block on the second nut and an extrusion block on the first nut are pressed and locked with each other, so that the nut can be prevented from loosening; and finally, inserting the positioning pin into one coaxial positioning hole of the pressing block and the bolt so as to prevent the pressing block from loosening and the pressing block from pressing one side of the nut so as to prevent the nut from loosing and losing the fastening effect. In addition, when the second nut is assembled, the anti-loose washer can be padded on the first nut, and the second nut presses the anti-loose washer on the first nut while the inclined pressing block and the extruding block are mutually pressed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a high strength stainless steel fastener with locking function, includes bolt (1) and sets up locknut (2) and locking briquetting (3) on bolt (1), its characterized in that: the anti-loosening nut (2) comprises a first nut (4) and a second nut (5) arranged on the first nut (4), an inclined pressing block (6) is arranged on the second nut (5), the inclined pressing block (6) is connected with an extrusion block (7) arranged on the first nut (4), and an anti-loosening gasket (8) is arranged between the extrusion block (7) and the inclined pressing block (6); locking briquetting (3) are including briquetting (9) and set up latch segment (10) on briquetting (9), latch segment (10) are connected with the locking hole that bolt (1) one end set up, briquetting (9) are connected with second nut (5).
2. A high-strength stainless steel fastener with anti-loosening function according to claim 1, characterized in that: the pressing block (9) is a circular pressing block, one side of the circular pressing block is provided with an inner hexagonal, and the other side of the circular pressing block is provided with a bolt avoiding groove.
3. A high-strength stainless steel fastener with anti-loosening function according to claim 1, characterized in that: the locking block (10) comprises a guide column of a connecting bolt avoidance groove and a screw rod arranged below the guide column.
4. A high-strength stainless steel fastener with anti-loosening function according to claim 1, characterized in that: the locking hole comprises a guide hole connected with the guide post and a screw hole arranged at the bottom of the guide hole.
5. A high-strength stainless steel fastener with anti-loosening function according to claim 1, characterized in that: the bolt (1) and the first nut (4) are made of stainless steel materials; the second nut (5) and the anti-loosening pressing block (3) are made of 45# steel.
6. A high-strength stainless steel fastener with anti-loosening function according to claim 1, characterized in that: the surfaces of the inclined pressing block (6) and the extrusion block (7) are provided with raised anti-skid grains, and the height of the anti-skid grains is set to be 0.2-1 mm; the inclined angle of the inclined pressing block (6) and the inclined angle of the extrusion block (7) are set to be 10-20 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659286.XU CN215762732U (en) | 2021-03-31 | 2021-03-31 | High strength stainless steel fastener with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659286.XU CN215762732U (en) | 2021-03-31 | 2021-03-31 | High strength stainless steel fastener with locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762732U true CN215762732U (en) | 2022-02-08 |
Family
ID=80094474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120659286.XU Expired - Fee Related CN215762732U (en) | 2021-03-31 | 2021-03-31 | High strength stainless steel fastener with locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762732U (en) |
-
2021
- 2021-03-31 CN CN202120659286.XU patent/CN215762732U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |