CN216343318U - Strong locking precision locknut - Google Patents
Strong locking precision locknut Download PDFInfo
- Publication number
- CN216343318U CN216343318U CN202122983533.4U CN202122983533U CN216343318U CN 216343318 U CN216343318 U CN 216343318U CN 202122983533 U CN202122983533 U CN 202122983533U CN 216343318 U CN216343318 U CN 216343318U
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- locking
- nut body
- hole
- nut
- locknut
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Abstract
The utility model discloses a strong locking precision locknut in the field of locknuts, which comprises a nut body, wherein an outer elastic groove is formed in one side of the outer wall of the nut body, an inner thread locking hole is formed in the middle of the inside of the nut body in a turning mode, an inner elastic groove is formed in one side, located on the outer elastic groove, of the inner wall of the inner thread locking hole, four locking counter bores are formed in the periphery of one end part of the nut body, and a through hole is formed in the nut body, located between the outer elastic groove and the locking counter bores. According to the utility model, the locking countersunk head screw can be rotated, and under the matching of the locking countersunk head screw and the thread locking hole, the nut body is pulled to deform between the outer elastic groove and the inner elastic groove, so that opposite micro motions are carried out on two sides of the inner elastic groove in the nut body, the male thread matched with the nut can be locked strongly, the nut can be effectively prevented from loosening, and the nut locking device is extremely practical.
Description
Technical Field
The utility model relates to the field of locknuts, in particular to a strong locking precision locknut.
Background
The nut is a part screwed with the bolt or the screw rod to play a role in fastening, an element which is necessary for producing and manufacturing machinery is divided into carbon steel, stainless steel, nonferrous metal and the like according to different materials, the nut is a part for tightly connecting mechanical equipment, and the nut and the bolt with the same specification can be connected together through threads on the inner side.
At present, the types of nuts are more, and when precision equipment is locked, a precision locking nut is needed, but the existing precision locking nut is easy to loosen after being locked. Accordingly, those skilled in the art have provided a strong locking precision locknut to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a strong locking precision locknut to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the strong locking precision anti-loose nut comprises a nut body, wherein an outer elastic groove is formed in one side of the outer wall of the nut body, an inner thread locking hole is formed in the middle of the nut body in a turning mode, the inner thread locking hole is formed in the inner wall of the inner thread locking hole and located in the outer elastic groove, an inner elastic groove is formed in one side of the outer elastic groove, four locking counter bores are formed in the periphery of one end of the nut body, and the nut body is located in the outer elastic groove and a through hole is formed between the locking counter bores.
As a further scheme of the utility model: the nut body is located one side of the through hole and is provided with a locking threaded hole, and a locking countersunk head screw which is in threaded fit with the locking threaded hole is arranged in the locking countersunk head.
As a further scheme of the utility model: four circumferential wrench holes are formed in one side of the outer elastic groove and located on the outer wall of the nut body, and the circumferential wrench holes are distributed at equal intervals along the outer wall of the nut body.
As a further scheme of the utility model: the nut body is located locking counter bore one end is provided with four axial wrench holes, axial wrench hole along the axis circumference equipartition of nut body, and with the crisscross setting of locking counter bore.
As a further scheme of the utility model: the diameter of the through hole is larger than the major diameter of the locking countersunk head screw.
As a further scheme of the utility model: the nut body is made of a 42CrMo material subjected to quenching and tempering, and the hardness is 28-32 degrees.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the locking countersunk head screw can be rotated, and under the matching of the locking countersunk head screw and the thread locking hole, the nut body is pulled to deform between the outer elastic groove and the inner elastic groove, so that opposite micro motions are carried out on two sides of the inner elastic groove in the nut body, the male thread matched with the nut can be locked strongly, the nut can be effectively prevented from loosening, and the nut locking device is extremely practical.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the present invention;
fig. 3 is a left side sectional view of fig. 2 at a-a of the present invention.
In the figure: 1. a nut body; 2. an outer spring groove; 3. an inner spring groove; 4. an internal thread locking hole; 5. a circumferential spanner hole; 6. an axial wrench bore; 7. locking the counter bore; 8. locking the countersunk head screw; 9. a via hole; 10. and locking the threaded hole.
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.
Referring to fig. 1 to 3, in the embodiment of the utility model, the strong locking precision anti-loose nut comprises a nut body 1, an outer elastic groove 2 is formed in one side of the outer wall of the nut body 1, an inner thread locking hole 4 is formed in the middle of the inside of the nut body 1 through turning, an inner elastic groove 3 is formed in one side, located on the outer elastic groove 2, of the inner wall of the inner thread locking hole 4, four locking counter bores 7 are formed in the periphery of one end portion of the nut body 1, a through hole 9 is formed in the nut body 1 and located between the outer elastic groove 2 and the locking counter bore 7, a locking threaded hole 10 is formed in one side, located on the through hole 9, of the nut body 1, and a locking counter screw 8 in threaded fit with the locking threaded hole 10 is arranged inside the locking counter bore 7.
Through adopting above-mentioned technical scheme, can be through rotating locking countersunk screw 8, under locking countersunk screw 8 and screw thread locking hole cooperation, take place deformation between the play becomes groove 2 and the interior play becomes groove 3 outside being located on the pulling nut body 1 for 3 opposite fine movements in the play becomes groove 3 both sides in nut body 1 inside being located, can be with the strong locking of the public screw thread to this nut cooperation, can effectually prevent that the nut is not hard up, extremely practical.
Wherein, lie in outer elastic groove 2 one side on the 1 outer wall of nut body and seted up four circumference wrench holes 5, circumference wrench hole 5 is along 1 outer wall of nut body equidistant distribution, and circumference wrench hole 5 can conveniently lock this nut.
Wherein, nut body 1 is located locking counter bore 7 one end and is provided with four axial wrench holes 6, and axial wrench hole 6 is along the axis circumference equipartition of nut body 1, and sets up with locking counter bore 7 is crisscross, and circumference wrench hole 5 can realize locking this nut.
In this embodiment, the diameter of the through hole 9 is larger than the major diameter of the locking countersunk head screw 8, so that the locking countersunk head screw 8 can be ensured to flexibly rotate in the through hole 9.
In the embodiment, the nut body 1 is made of a 42CrMo material subjected to thermal refining, the hardness is 28-32 degrees, and the strength of the locknut can be ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. Accurate locknut of forced locking, including nut body (1), its characterized in that: the nut body (1) outer wall one side has been seted up and has been played groove (2) outward, middle part lathe work has internal thread locking hole (4) in nut body (1), lie in on the internal thread locking hole (4) inner wall outer bullet becomes groove (2) one side and has been seted up and has been played groove (3), four locking counter bores (7) have been seted up to nut body (1) a tip periphery, lie in on nut body (1) outer bullet becomes groove (2) with via hole (9) have been seted up between locking counter bore (7).
2. The strong locking precision locknut of claim 1, wherein: the nut body (1) is located one side of the through hole (9) and is provided with a locking threaded hole (10), and a locking countersunk head screw (8) in threaded fit with the locking threaded hole (10) is arranged inside the locking countersunk head (7).
3. The strong locking precision locknut of claim 1, wherein: the nut is characterized in that four circumferential wrench holes (5) are formed in one side of the outer elastic groove (2) on the outer wall of the nut body (1), and the circumferential wrench holes (5) are distributed at equal intervals along the outer wall of the nut body (1).
4. The strong locking precision locknut of claim 1, wherein: the nut body (1) is located locking counter bore (7) one end is provided with four axial wrench holes (6), axial wrench hole (6) along the axis circumference equipartition of nut body (1), and with locking counter bore (7) crisscross the setting.
5. The precision strong locking locknut of claim 2, wherein: the diameter of the through hole (9) is larger than the large-diameter size of the locking countersunk head screw (8).
6. The strong locking precision locknut of claim 1, wherein: the nut body (1) is made of a 42CrMo material subjected to quenching and tempering, and the hardness is 28-32 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983533.4U CN216343318U (en) | 2021-11-30 | 2021-11-30 | Strong locking precision locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983533.4U CN216343318U (en) | 2021-11-30 | 2021-11-30 | Strong locking precision locknut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343318U true CN216343318U (en) | 2022-04-19 |
Family
ID=81155793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122983533.4U Active CN216343318U (en) | 2021-11-30 | 2021-11-30 | Strong locking precision locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343318U (en) |
-
2021
- 2021-11-30 CN CN202122983533.4U patent/CN216343318U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |