CN213776025U - Anti-loose and anti-theft nut with wedge-shaped block sleeve on side surface of nut - Google Patents
Anti-loose and anti-theft nut with wedge-shaped block sleeve on side surface of nut Download PDFInfo
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- CN213776025U CN213776025U CN202022205766.7U CN202022205766U CN213776025U CN 213776025 U CN213776025 U CN 213776025U CN 202022205766 U CN202022205766 U CN 202022205766U CN 213776025 U CN213776025 U CN 213776025U
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Abstract
The utility model particularly relates to a locknut with a wedge external member on the side surface of the nut, which comprises a nut body, wherein the inner threads of the nut body and a nut cushion backing plate are provided with bolt columns, the inner side surface of a square wedge groove is uniformly provided with trapezoidal lugs, wedge grooves are formed between the trapezoidal lugs, a rectangular wedge block is arranged inside the square wedge groove, the two side surfaces of the rectangular wedge block are provided with wedge lugs, a positioning wedge groove is arranged between the rectangular wedge blocks between the wedge lugs, the problem that the nut is lost in the operation of mechanical equipment is solved through the combined use of auxiliary blocks arranged on the rectangular wedge block and auxiliary wedge block auxiliary pull rings arranged on the rectangular wedge block, the bottom surface of a nut cushion gasket is a thread anti-slip convex surface, so that the phenomenon that the back thread of the nut body drops to influence the normal operation of the equipment is avoided, and the utility model has simple structure, convenient use, high fastening capacity, difficult loss and low production cost.
Description
Technical Field
The utility model belongs to the technical field of locking antitheft nut, concretely relates to locking antitheft nut of wedge external member is taken to nut side.
Background
The anti-loose nut is originated abroad, and is characterized in that special engineering plastics are permanently attached to threads, so that the engineering plastics are extruded to generate strong reaction force in the process of tightening the internal threads and the external threads, the friction force between the internal threads and the external threads is greatly increased, absolute resistance to vibration is provided, the resistance is completely distributed in the whole meshing section of the internal threads and the external threads, and the friction force is irrelevant to the tightening pressure between the internal threads and the external threads. However, the plastic anti-loosening mode is influenced by the environment, and cannot meet the requirements of high temperature and severe cold, and a new anti-loosening technology must be explored. With the maturity of manufacturing technology and the reduction of cost, the screw bolt is widely used in a plurality of trades such as 3C, bicycle, skating skiing equipment, furniture, sport equipment, medical instrument, replaces traditional stopping washer comprehensively, fully shows the dependability of the locking effect of fastening of locking screw, has a 30 degree wedge face at the top of the traditional 60 degree cusp, and this kind of structure makes the bolt after screwing up with the nut, can obtain the frictional force that compares the tradition screw thread bigger between the negative and positive screw thread to reach locking. With the development of economy, the loose prevention of the threads by adopting 30-degree wedge-shaped loose-prevention threads cannot meet the actual requirements, particularly in the assembly of parts with high fastening requirements, the common existing loose-prevention threads cannot meet the requirements of customers, and the loss of nuts in the operation of mechanical equipment is also a problem, so that the loose-prevention nut with high fastening capacity, difficulty in loss and low production cost needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking antitheft nut of nut side area wedge external member to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut side takes locking antitheft nut of wedge external member, includes the nut body, the bottom integrated into one piece of nut body is equipped with nut buffer shim, the nut body is equipped with the bolt post with the inside screw thread of nut buffer shim, the inner wall bilateral symmetry of nut body is equipped with has seted up square wedge groove, square wedge groove medial surface evenly is equipped with trapezoidal lug, it is equipped with the wedge groove to form between the trapezoidal lug, the inside rectangle voussoir that is equipped with of square wedge groove, the both sides face of rectangle voussoir is equipped with the wedge lug, lies in between the wedge lug and is equipped with the location wedge groove between the rectangle voussoir, the top surface right side of rectangle voussoir is equipped with the auxiliary block, the activity is equipped with the supplementary pull ring of voussoir on the auxiliary block.
As a further optimization of the technical scheme, the inner sides of the wedge groove and the positioning wedge groove are both provided with inclined planes.
As further optimization of the technical scheme, the internal thread of the nut body is a 30-degree wedge-shaped anti-loosening thread, and the internal thread teeth of the nut body and the axis of the thread are arranged in a 30-degree wedge-shaped inclined plane.
As a further optimization of the technical scheme, the inner side veneers of the rectangular wedge blocks are abutted to the outer threads of the bolt columns.
As a further optimization of the technical scheme, the rectangular wedge block is designed to be a rectangular rectangle.
As a further optimization of the technical scheme, the auxiliary block is movably connected with the auxiliary pull ring of the wedge block through a movable pin shaft arranged in one side of the auxiliary block.
As a further optimization of the technical scheme, the bottom surface of the nut buffer gasket arranged at the bottom end of the nut body is designed to be a threaded anti-skidding convex surface.
The utility model discloses a technological effect and advantage: the anti-loosening and anti-theft nut with the wedge block kit on the side surface adopts 30-degree wedge-shaped anti-loosening threads through the internal threads of the nut body, the internal thread teeth of the nut body and the thread axis are arranged in a 30-degree wedge-shaped inclined plane, the anti-loosening friction force is increased, the anti-loosening purpose is achieved, then the rectangular wedge blocks are embedded in the square wedge grooves symmetrically arranged on the inner side surface of the nut body between the bolt column and the nut body, and the wedge-shaped convex blocks and the positioning wedge grooves on the rectangular wedge blocks are combined and designed for use, so that one side surface of the rectangular wedge blocks is tightly propped against the bolt column to achieve the anti-theft purpose, the anti-loosening effect is achieved by increasing the anti-loosening friction force, the problem that the nut is lost in the operation of mechanical equipment is solved through the combined use of the auxiliary blocks arranged on the rectangular wedge blocks and the auxiliary pull rings movably arranged on the auxiliary blocks, and the nut buffer gasket arranged on the nut body, the bottom surface of the nut buffer gasket is designed into a convex anti-skid surface of the thread, so that the phenomenon that the broken thread of the nut body falls off to influence the normal operation of the equipment is avoided, and the utility model discloses simple structure, convenient to use, high fastening capacity, difficult losing and low in production cost are realized.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic top view of the rectangular wedge of the present invention;
FIG. 4 is a schematic view of the rectangular wedge block of the present invention;
fig. 5 is an enlarged schematic structural diagram of a point a in fig. 2 according to the present invention.
In the figure: 1. a nut body; 2. a nut buffer spacer; 3. a bolt column; 4. a square wedge groove; 5. a trapezoidal bump; 6. a wedge groove; 7. an auxiliary block; 8. a wedge auxiliary pull ring; 9. a rectangular wedge block; 10. a wedge-shaped projection; 11. and (4) positioning the wedge groove.
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.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a locknut of wedge external member is taken to nut side, including nut body 1, the internal thread of nut body adopts 30 wedge locking screw, and the internal thread tooth of nut body 1 is 30 wedge screw settings with the screw axis, the bottom integrated into one piece of nut body 1 is equipped with nut buffer 2, the bottom surface of the nut buffer 2 that 1 bottom of nut body was established is the design of screw thread anti-skidding convex surface, nut body 1 is equipped with bolt post 3 with 2 inside threads of nut buffer, the inner wall bilateral symmetry of nut body 1 is equipped with has seted up square wedge groove 4, 4 medial surfaces of square wedge groove evenly are equipped with trapezoidal lug 5.
Form between trapezoidal lug 5 and be equipped with wedge groove 6, square wedge groove 4 is inside to be equipped with rectangle voussoir 9, rectangle voussoir 9 is the design of long rectangular, the outside screw thread setting of the bolt column 3 that inboard wainscot butt of rectangle voussoir 9 was established, the both sides face of rectangle voussoir 9 is equipped with wedge lug 10, wedge groove 6 is the inclined plane setting with the inboard of location wedge groove 11, it is equipped with location wedge groove 11 to lie in between the rectangle voussoir 9 between the wedge lug 10, the top surface right side of rectangle voussoir 9 is equipped with supplementary piece 7, the activity is equipped with the supplementary pull ring 8 of voussoir on the supplementary piece 7, supplementary piece 7 is through the activity round pin axle that is equipped with in one side and the supplementary pull ring 8 swing joint of voussoir.
Specifically, when in use, the internal thread of the nut body 1 adopts a 30-degree wedge-shaped anti-loosening thread, the internal thread teeth of the nut body 1 and the axis of the thread are arranged in a 30-degree wedge-shaped inclined plane, the anti-loosening friction force is increased, the anti-loosening purpose is achieved, then the rectangular wedge block 9 is embedded in the square wedge groove 4 symmetrically arranged on the inner side surface of the nut body 1 between the bolt column 3 and the nut body 1, the wedge-shaped lug 10 and the positioning wedge groove 11 on the rectangular wedge block 9 are combined and designed for use, one side of the rectangular wedge block 9 is tightly propped against the bolt column 3, the anti-theft purpose is achieved, the anti-loosening friction force is increased, the anti-loosening effect is achieved, the auxiliary block 7 arranged on the rectangular wedge block 9 and the wedge block auxiliary pull ring 8 movably arranged on the auxiliary block 7 are combined for use, the problem of nut loss in the operation of mechanical equipment is solved, the nut buffer gasket 2 arranged on the nut body 1, the bottom surface of the nut buffer gasket 2 is designed to be a thread anti-slip convex surface so as to prevent the phenomenon that the normal operation of the equipment is influenced by the falling-off of the broken filaments of the nut body 1.
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 (7)
1. The utility model provides a locknut of nut side area wedge external member, includes nut body (1), its characterized in that: the bottom integrated into one piece of nut body (1) is equipped with nut buffer spacer (2), nut body (1) is equipped with bolt post (3) with nut buffer spacer (2) internal thread, the inner wall bilateral symmetry of nut body (1) is equipped with has seted up square wedge groove (4), square wedge groove (4) medial surface evenly is equipped with trapezoidal lug (5), it is equipped with wedge groove (6) to form between trapezoidal lug (5), square wedge groove (4) inside is equipped with rectangle voussoir (9), the both sides face of rectangle voussoir (9) is equipped with wedge lug (10), lies in between wedge lug (10) and is equipped with location wedge groove (11) between rectangle voussoir (9), the top surface right side of rectangle voussoir (9) is equipped with auxiliary block (7), the activity is equipped with the supplementary pull ring of voussoir (8) on auxiliary block (7).
2. The anti-loose and anti-theft nut with the wedge-shaped block set on the side surface of the nut as claimed in claim 1, is characterized in that: the inner sides of the wedge groove (6) and the positioning wedge groove (11) are both arranged in an inclined plane.
3. The anti-loose and anti-theft nut with the wedge-shaped block set on the side surface of the nut as claimed in claim 1, is characterized in that: the internal thread of the nut body is a 30-degree wedge-shaped anti-loosening thread, and the internal thread teeth of the nut body (1) and the axis of the thread are arranged in a 30-degree wedge-shaped inclined plane.
4. The anti-loose and anti-theft nut with the wedge-shaped block set on the side surface of the nut as claimed in claim 1, is characterized in that: the inner side facing surface of the rectangular wedge block (9) is abutted against the outer thread of the bolt column (3).
5. The anti-loose and anti-theft nut with the wedge-shaped block set on the side surface of the nut as claimed in claim 1, is characterized in that: the rectangular wedge block (9) is designed to be rectangular.
6. The anti-loose and anti-theft nut with the wedge-shaped block set on the side surface of the nut as claimed in claim 1, is characterized in that: the auxiliary block (7) is movably connected with the wedge auxiliary pull ring (8) through a movable pin shaft arranged in one side of the auxiliary block.
7. The anti-loose and anti-theft nut with the wedge-shaped block set on the side surface of the nut as claimed in claim 1, is characterized in that: the bottom surface of a nut buffer gasket (2) arranged at the bottom end of the nut body (1) is designed to be a threaded anti-skidding convex surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205766.7U CN213776025U (en) | 2021-04-29 | 2021-04-29 | Anti-loose and anti-theft nut with wedge-shaped block sleeve on side surface of nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022205766.7U CN213776025U (en) | 2021-04-29 | 2021-04-29 | Anti-loose and anti-theft nut with wedge-shaped block sleeve on side surface of nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776025U true CN213776025U (en) | 2021-07-23 |
Family
ID=76907383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022205766.7U Active CN213776025U (en) | 2021-04-29 | 2021-04-29 | Anti-loose and anti-theft nut with wedge-shaped block sleeve on side surface of nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213776025U (en) |
-
2021
- 2021-04-29 CN CN202022205766.7U patent/CN213776025U/en active Active
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