CN216241760U - High-strength axial precision locking nut - Google Patents
High-strength axial precision locking nut Download PDFInfo
- Publication number
- CN216241760U CN216241760U CN202122983535.3U CN202122983535U CN216241760U CN 216241760 U CN216241760 U CN 216241760U CN 202122983535 U CN202122983535 U CN 202122983535U CN 216241760 U CN216241760 U CN 216241760U
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- locking
- hole
- wedge block
- nut body
- locking wedge
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Abstract
The utility model discloses a high-strength axial precision locking nut in the field of precision locking nuts, which comprises a locking nut body, wherein a locking internal thread hole is integrally formed at the inner hole part of the locking nut body, a movable groove is formed in the locking internal thread hole, a locking wedge block is arranged in the movable groove, and a limiting hole is formed at the top end of the locking wedge block. The locking wedge block is axially limited by matching the limiting hole with the rotary limiting head, the movable groove can ensure that the locking wedge block has a certain circumferential movement allowance, on one hand, the locking wedge block can be ensured to be limited under circumferential movement, falling loss is avoided, on the other hand, the locking wedge block can be pushed to move inwards by rotating the locking screw, and a male thread matched with the locking nut is quickly locked, so that the locking nut is fixed, the thread withdrawing is avoided, the fixing effect is firmer, and the locking wedge block is extremely practical.
Description
Technical Field
The utility model relates to the field of precision locking nuts, in particular to a high-strength axial precision locking nut.
Background
The nut is the part that is used for playing the fastening effect with bolt or screw rod are twisted together, often use in the industry on various equipment and parts that need lock, the large-scale manufacturing of screw has greatly promoted the development of industrial revolution, has also greatly changed people's life style, however because the spiral fastening structure of bolt, nut, under bolt, nut are in the state of screwing up, when being in the vibration environment for a long time, the nut can automatic reverse rotation lead to becoming flexible of screw, the mode of current avoiding moving back the silk adopts mostly to install the cushion additional and locks, comparatively inconvenient, and the precision of locking is lower. Accordingly, those skilled in the art have provided high strength axial precision lock nuts to address the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a high strength axial precision lock nut that solves the problems set forth above in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
high strength axial precision lock nut, including the lock nut body, lock nut body hole position integrated into one piece has the locking internal thread hole, the movable groove has been seted up on the locking internal thread hole, the movable inslot portion is provided with the locking wedge, spacing hole has been seted up on the locking wedge top, be located on the lock nut body spacing hole one side on the locking wedge has seted up the locking screw hole, the inside locking screw that is provided with of locking screw hole, the locking screw tip be provided with insert spacing downthehole rotatory spacing head.
As a further scheme of the utility model: the locking screw is in threaded connection with the locking threaded hole, a hexagon socket is formed in the top end of the locking screw, and the locking screw is in rotating connection with the locking wedge block through the limiting hole and the rotary limiting head.
As a further scheme of the utility model: a gap of 0.2-0.3mm is formed between the inner cavity of the movable groove and the appearance of the locking wedge block, and a wedge block thread groove matched with the locking internal thread hole is formed in one side, located on the locking wedge block, of the locking internal thread hole.
As a further scheme of the utility model: four wrench position clamping grooves are formed in the outer wall of the locking nut body, and the wrench position clamping grooves are uniformly distributed along the circumference of the outer wall of the locking nut body.
As a further scheme of the utility model: the planes of the two end parts of the locking wedge block are coplanar with the axis of the locking nut body, the locking wedge block and the locking nut body are both made of SCM440, and the quenching and tempering hardness is 28-32 degrees.
Compared with the prior art, the utility model has the beneficial effects that:
the locking wedge block is axially limited by matching the limiting hole with the rotary limiting head, the movable groove can ensure that the locking wedge block has a certain circumferential movement allowance, on one hand, the locking wedge block can be ensured to be limited under circumferential movement, falling loss is avoided, on the other hand, the locking wedge block can be pushed to move inwards by rotating the locking screw, and a male thread matched with the locking nut is quickly locked, so that the locking nut is fixed, the thread withdrawing is avoided, the fixing effect is firmer, and the locking wedge block is extremely practical.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side elevation view of the present invention;
fig. 3 is a partial enlarged view of the locking screw of fig. 2 according to the present invention.
In the figure: 1. a lock nut body; 2. locking the internal threaded hole; 3. locking the wedge block; 4. a wedge thread groove; 5. a wrench position clamping groove; 6. a movable groove; 7. a locking threaded hole; 8. a locking screw; 9. an inner hexagonal hole; 10. rotating the limiting head; 11. And a limiting 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 high-strength axial precision locking nut includes a locking nut body 1, a locking internal threaded hole 2 is integrally formed at an inner hole of the locking nut body 1, a movable groove 6 is formed in the locking internal threaded hole 2, a locking wedge 3 is arranged in the movable groove 6, a limiting hole 11 is formed at the top end of the locking wedge 3, a locking threaded hole 7 is formed in one side of the locking nut body 1, located on the locking wedge 3, of the limiting hole 11, a locking screw 8 is arranged in the locking threaded hole 7, and a rotation limiting head 10 inserted into the limiting hole 11 is arranged at the end of the locking screw 8.
The locking screw 8 is in threaded connection with the locking threaded hole 7, the top end of the locking screw 8 is provided with a hexagon socket 9, the locking screw 8 is in rotational connection with the locking wedge 3 through a limiting hole 11 and a rotating limiting head 10, and the limiting hole 11 is matched with the rotating limiting head 10 to provide axial limiting for the locking wedge 3.
Wherein, there is 0.2-0.3mm clearance between the appearance of the inner chamber of movable groove 6 and locking wedge 3, the both ends plane of locking wedge 3 and the axis coplane of lock nut body 1, it offers wedge thread groove 4 with locking internal thread hole 2 matching to lie in locking internal thread hole 2 one side on the locking wedge 3, movable groove 6 can ensure that locking wedge 3 has certain circumference activity allowance, can ensure to carry on spacingly under the circumference activity of locking wedge 3 on the one hand, avoid falling and losing, on the other hand can promote the inside side activity of locking wedge 3 through rotating locking screw 8, will lock with this lock nut complex male thread fast, and then realize the fixed operation to the lock nut, avoid withdrawing the silk, fixed effect is more firm, and is extremely practical.
Wherein, four wrench position clamping grooves 5 are arranged on the outer wall of the locking nut body 1, the wrench position clamping grooves 5 are uniformly distributed along the circumference of the outer wall of the locking nut body 1, and the wrench position clamping grooves 5 can facilitate an external wrench to lock the locking nut.
In the embodiment, the locking wedges 3 and the locking nut body 1 are both made of SCM440, and the hardness of the quenching and tempering is 28-32 degrees after quenching and tempering, so that the hardness of the locking nut and the locking blocks 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 (5)
1. High strength axial precision lock nut, including lock nut body (1), its characterized in that: locking nut body (1) hole position integrated into one piece has locking internal thread hole (2), movable groove (6) have been seted up on locking internal thread hole (2), movable groove (6) inside is provided with locking wedge (3), spacing hole (11) have been seted up on locking wedge (3) top, lie in on the locking nut body (1) spacing hole (11) one side on the locking wedge (3) has seted up locking screw hole (7), inside locking screw (8) that are provided with of locking screw hole (7), locking screw (8) tip is provided with and inserts spacing hole (11) inside rotatory spacing head (10).
2. The high strength axial precision lock nut of claim 1, wherein: the locking screw (8) is in threaded connection with the locking threaded hole (7), an inner hexagonal hole (9) is formed in the top end of the locking screw (8), and the locking screw (8) is in rotational connection with the locking wedge block (3) through the limiting hole (11) and the rotary limiting head (10).
3. The high strength axial precision lock nut of claim 1, wherein: a gap of 0.2-0.3mm is formed between the inner cavity of the movable groove (6) and the appearance of the locking wedge block (3), and a wedge block thread groove (4) matched with the locking internal thread hole (2) is formed in one side, located on the locking wedge block (3), of the locking internal thread hole (2).
4. The high strength axial precision lock nut of claim 1, wherein: the outer wall of the locking nut body (1) is provided with four wrench position clamping grooves (5), and the wrench position clamping grooves (5) are uniformly distributed along the circumference of the outer wall of the locking nut body (1).
5. The high strength axial precision lock nut of claim 1, wherein: the planes of the two end parts of the locking wedge block (3) are coplanar with the axis of the locking nut body (1), the locking wedge block (3) and the locking nut body (1) are both made of SCM440, and the hardening and tempering hardness is 28-32 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983535.3U CN216241760U (en) | 2021-11-30 | 2021-11-30 | High-strength axial precision locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983535.3U CN216241760U (en) | 2021-11-30 | 2021-11-30 | High-strength axial precision locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241760U true CN216241760U (en) | 2022-04-08 |
Family
ID=80959885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122983535.3U Active CN216241760U (en) | 2021-11-30 | 2021-11-30 | High-strength axial precision locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241760U (en) |
-
2021
- 2021-11-30 CN CN202122983535.3U patent/CN216241760U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |