CN214698738U - Twist-off type anti-theft nut - Google Patents
Twist-off type anti-theft nut Download PDFInfo
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- CN214698738U CN214698738U CN202120855126.2U CN202120855126U CN214698738U CN 214698738 U CN214698738 U CN 214698738U CN 202120855126 U CN202120855126 U CN 202120855126U CN 214698738 U CN214698738 U CN 214698738U
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- twist
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Abstract
The utility model discloses a formula of twisting off theftproof nut relates to nut technical field, including the nut body, the top of nut body is provided with the installation body, the inboard bottom fixedly connected with connecting block of the installation body, and the bottom outside of nut body is provided with the chamfer, and logical groove has all been seted up to the both sides of nut body, and the bottom that leads to the groove is seted up flutedly, and the below of nut body is provided with the lag, and the inboard of lag is provided with the slope inner wall, the equal fixedly connected with lug in both sides bottom of slope inner wall. The utility model discloses a set up the lag in the below of nut body, the inside bottom of lag sets up the lug, sets up logical groove in the both sides of nut body, and when the nut reachd the fixed position in the bolt outside, the lug inserts logical inslot, continues to rotate the installation body this moment and makes the installation body and nut body separation, leads to groove and lug to undertake the torsion, has avoided screw thread and bolt to undertake torsion and has caused the smooth silk, influences the stability of bolt.
Description
Technical Field
The utility model relates to a nut technical field, in particular to formula of turning round theftproof nut.
Background
The fastener is a generic name of a mechanical part used for fastening two or more parts (or components) to be tightly connected into a whole, the nut is one of the most widely used fasteners, namely the nut is a part for tightly connecting mechanical equipment, the screw thread on the inner side is connected with the nut and the bolt with the same specification for use, the property and the personal safety loss of public facilities caused by the connection looseness of the components of the mechanical department or the artificial theft and damage in China can reach more than one hundred million yuan each year, thereby bringing great influence to the healthy operation of national economy, therefore, the anti-theft nut is widely used and deeply researched, the existing anti-theft nut mostly adopts a twist-off type anti-theft method, in the twisting-off process of the existing anti-theft nut, the threads and the bolt bear the torque force, so that the phenomenon of thread slipping is easily caused, and the stability of the bolt is influenced. Therefore, there is a need for a twist-off anti-theft nut that solves the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a twist-off formula antitheft nut to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a twist-off type anti-theft nut, which comprises a nut body, wherein the top end of the nut body is provided with an installation body, the bottom end of the inner side of the mounting body is fixedly connected with a connecting block, the bottom end of the connecting block is fixedly connected with the outer side of the top end of the nut body, the connecting blocks are arranged in a plurality and distributed in an equidistant annular array, the inner wall of the nut body is provided with threads, the outer side of the bottom end of the nut body is provided with a chamfer, the two sides of the nut body are both provided with through grooves, the two through grooves are symmetrically distributed, the bottom end of the through groove is provided with a groove, a protective sleeve is arranged below the nut body, the inner side of the protective sleeve is provided with an inclined inner wall, the both sides bottom of slope inner wall all fixedly connected with lug, two the lug symmetric distribution, the lug with lead to groove looks adaptation, the both ends outside of lag all is provided with the corner.
Preferably, the mounting body is a hexagonal prism, and the connecting block is a quadrangular prism.
Preferably, the top end of the through groove is of a circular arc structure, and the groove is of an inverted triangular structure.
Preferably, the cross section of the inclined inner wall is in an inverted trapezoid shape, and the projection is arranged in a cylindrical structure.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up the lag below the nut body, the inside bottom of lag sets up the lug, set up logical groove in the both sides of nut body, when the nut reaches the fixed position outside the bolt, the lug inserts in the logical groove, continues to rotate the installation body at this moment and makes the installation body separate from the nut body, and logical groove and lug undertake torsion, have avoided screw and bolt to undertake torsion and cause the smooth silk, influence the stability of bolt;
2. the utility model discloses a set up a plurality of connecting blocks between the installation body and nut body, when the nut body rotated and targetting in place, continued to rotate the installation body and made the connecting block fracture to make the installation body and nut body separate, thereby realize the theftproof effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view of the overall structure of the present invention.
Fig. 3 is a schematic side sectional view of the overall structure of the present invention.
In the figure: 1. a nut body; 2. an installation body; 3. connecting blocks; 4. a thread; 5. chamfering; 6. a through groove; 7. a groove; 8. a protective sleeve; 9. an inclined inner wall; 10. a bump; 11. and (4) corners.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.
The utility model provides a twist-off type anti-theft nut as shown in figures 1-3, as shown in figure 1, comprising a nut body 1, wherein the top end of the nut body 1 is provided with an installation body 2, the inner bottom end of the installation body 2 is fixedly connected with a connecting block 3, the bottom end of the connecting block 3 is fixedly connected with the outer side of the top end of the nut body 1, a plurality of connecting blocks 3 are arranged, the connecting blocks 3 are distributed in an equidistant annular array, a protective sleeve 8 is arranged below the nut body 1, the inner side of the protective sleeve 8 is provided with an inclined inner wall 9, the inclined inner wall 9 is arranged to ensure that the nut body 1 can continuously retract in the process of rotating and inserting into the protective sleeve 8, thereby promoted the stability of device, the equal fixedly connected with lug 10 in both sides bottom of slope inner wall 9, two lug 10 symmetric distributions, lug 10 and logical groove 6 looks adaptations, the both ends outside of lag 8 all is provided with corner 11.
As shown in fig. 2 and 3, the inner wall of nut body 1 is provided with screw thread 4, the bottom outside of nut body 1 is provided with chamfer 5, the setting of chamfer 5 has made things convenient for nut body 1 to insert lag 8, logical groove 6 has all been seted up to the both sides of nut body 1, two lead to 6 symmetric distributions of groove, recess 7 has been seted up to the bottom that leads to groove 6, the installation body 2 sets up to hexagonal prism, it has made things convenient for to use the spanner to twist and has moved installation body 2, connecting block 3 sets up to the quadrangular prism, the setting of quadrangular prism makes connecting block 3 can the snap when receiving big torsion, the top that leads to 6 sets up to convex structure, recess 7 sets up to the inverted triangle structure, the setting of inverted triangle structure makes lug 10 slide into recess 7 more easily, the cross-section of slope inner wall 9 is inverted trapezoid, lug 10 sets up to cylindrical structure, cylindrical structure's setting has made things convenient for lug 10 to slide into recess 7.
The utility model discloses a below at nut body 1 sets up lag 8, the inside bottom of lag 8 sets up lug 10, logical groove 6 is seted up in nut body 1's both sides, when nut body 1 reachs the fixed position in the bolt outside, lug 10 inserts in logical groove 6, continue to rotate the installation body 2 this moment and make installation body 2 and nut body 1 separate, logical groove 6 and lug 10 undertake torsion, it undertakes torsion to have avoided screw thread 4 and bolt to undertake torsion and causes smooth silk, influence the stability of bolt, through set up a plurality of connecting blocks 3 between installation body 2 and nut body 1, nut body 1 rotates when targetting in place, it makes connecting block 3 fracture to continue to rotate the installation body 2, thereby make installation body 2 and nut body 1 separate, thereby realize the theftproof effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. The utility model provides a twist-off formula antitheft nut, includes nut body (1), its characterized in that: the nut is characterized in that an installation body (2) is arranged at the top end of the nut body (1), a plurality of connecting blocks (3) are fixedly connected to the bottom end of the inner side of the installation body (2), the bottom end of each connecting block (3) is fixedly connected with the outer side of the top end of the nut body (1), the connecting blocks (3) are distributed in an equidistant annular array, threads (4) are arranged on the inner wall of the nut body (1), chamfers (5) are arranged on the outer side of the bottom end of the nut body (1), through grooves (6) are formed in two sides of the nut body (1), the through grooves (6) are symmetrically distributed, grooves (7) are formed in the bottom ends of the through grooves (6), a protection sleeve (8) is arranged below the nut body (1), an inclined inner wall (9) is arranged on the inner side of the protection sleeve (8), and convex blocks (10) are fixedly connected to the bottom ends of two sides of the inclined inner wall (9), the two lugs (10) are symmetrically distributed, the lugs (10) are matched with the through grooves (6), and corners (11) are arranged on the outer sides of two ends of the protecting sleeve (8).
2. The twist-off theft-proof nut as claimed in claim 1, characterized in that: the mounting body (2) is arranged to be a hexagonal prism, and the connecting block (3) is arranged to be a quadrangular prism.
3. The twist-off theft-proof nut as claimed in claim 1, characterized in that: the top end of the through groove (6) is of an arc-shaped structure, and the groove (7) is of an inverted triangular structure.
4. The twist-off theft-proof nut as claimed in claim 1, characterized in that: the cross section of the inclined inner wall (9) is inverted trapezoid, and the bump (10) is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120855126.2U CN214698738U (en) | 2021-04-25 | 2021-04-25 | Twist-off type anti-theft nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120855126.2U CN214698738U (en) | 2021-04-25 | 2021-04-25 | Twist-off type anti-theft nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698738U true CN214698738U (en) | 2021-11-12 |
Family
ID=78533658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120855126.2U Active CN214698738U (en) | 2021-04-25 | 2021-04-25 | Twist-off type anti-theft nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698738U (en) |
-
2021
- 2021-04-25 CN CN202120855126.2U patent/CN214698738U/en active Active
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