CN216691819U - Anti-drop nut and connecting assembly comprising same - Google Patents
Anti-drop nut and connecting assembly comprising same Download PDFInfo
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- CN216691819U CN216691819U CN202220024134.7U CN202220024134U CN216691819U CN 216691819 U CN216691819 U CN 216691819U CN 202220024134 U CN202220024134 U CN 202220024134U CN 216691819 U CN216691819 U CN 216691819U
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Abstract
The application relates to the technical field of fasteners, and discloses an anti-falling nut and a connecting assembly comprising the same. This application has and avoids the nut not hard up in the bolt and drops even, ensures the effect of the fastening nature that bolt and nut are connected.
Description
Technical Field
The application relates to the technical field of fasteners, in particular to an anti-falling nut and a connecting assembly comprising the same.
Background
Currently, nuts are parts that connect mechanical devices together by engaging the threads of the nut with the threads of a bolt to secure the joint in question.
In the prior art, the connection structure of the bolt and the nut comprises a hexagon bolt, the hexagon nut is engaged with the thread on the hexagon bolt, and the equipment is connected together in a screwing mode.
In view of the above-mentioned related art, the inventor believes that the bolt and the nut may be loosened or even fall off under the influence of vibration during the use of the device, so that the connection capable of fastening the device cannot be ensured.
SUMMERY OF THE UTILITY MODEL
In order to avoid the nut to become flexible in the bolt and even drop, ensure the fastening nature that bolt and nut are connected, this application provides an anticreep nut and contains the coupling assembling of this nut.
The application provides a anticreep nut and contain coupling assembling of this nut adopts following technical scheme:
the utility model provides an anticreep nut and contain coupling assembling of this nut, is including the nut body that is used for fastening equipment, threaded hole has been seted up in the nut body, the nut body in the integrative deformation portion that is fixed with of opening part circumference of threaded hole.
By adopting the technical scheme, one side of the nut body with the deformation part faces the bolt, is in threaded fit with the bolt through the threaded hole, and is screwed tightly, so that the deformation part is extruded, the deformation part is fixed with the bolt, and the anti-loosening function of the nut body is realized; by adopting the design, the structure is simple, the operation is convenient, the self-locking of the nut body is realized by the deformation block in an extrusion deformation mode, the nut body is prevented from falling off in the bolt, and the fastening performance of the joint part of the bolt and the nut body is ensured.
Preferably, the deformation part comprises a plurality of deformation blocks which are integrally fixed on one side of the nut body, the deformation blocks are circumferentially distributed at the opening of the threaded hole in an array manner, and adjacent deformation blocks are arranged along the axial direction of the nut body and form deformation seams.
Through adopting above-mentioned technical scheme, adopt deformation piece and deformation seam cooperation, the deformation of the deformation piece of can being convenient for more to can make the nut body can be more firmly fixed with bolt locking.
Preferably, the inner wall of the deformation block is provided with a deformation thread groove matched with the threaded hole.
Through adopting above-mentioned technical scheme, can make the deformation piece be close to the bolt more through the deformation thread groove on the one hand, can also make the nut body screw in bolt more smoothly, on the other hand extrudees the deformation piece, makes the deformation thread groove take place deformation to make mutual extrusion between the screw thread of deformation thread groove and bolt, can make the nut body can be better on auto-lock and the bolt, avoid appearing not hard up problem, improved the tightness of being connected between bolt and the nut.
Preferably, a chamfer is formed at one end, far away from the nut body, of the deformation block.
Through adopting above-mentioned technical scheme, the shape change piece is when receiving pressure to produce the deformation, through the chamfer, can make the shape change piece keep away from the atress of nut body one end and assemble to the axis direction of nut body, can make the shape change piece can support tight bolt more firmly at the in-process that warp, has improved the tightness of being connected between bolt and the nut.
Preferably, the deformation portion including an organic whole admittedly in a plurality of deformation pieces of nut body one side, it is a plurality of deformation piece circumference array distribute in the opening part of screw hole, it is adjacent all be provided with deformation seam between the deformation piece, it is a plurality of deformation seam be the heliciform distribute in screw hole week side.
Through adopting above-mentioned technical scheme, at the in-process of screwing of nut body and bolt, at first make the shape change piece take place to buckle, the mutual butt is in the same place between two adjacent shape change pieces, thereby later can make the shape change piece warp firm bolt of hugging closely in the in-process of screwing. On the deformation piece was fixed in the bolt, adopted the slope design, took place to buckle and just can reach the purpose of fixation nut body making the deformation piece, can reduce the strength that needs when rotating the nut body effectively, improved the convenience of using the structure.
Preferably, one end of the deformation block, which is far away from the nut body, is integrally fixed with a plurality of locking convex strips for preventing the deformation block from rotating.
Through adopting above-mentioned technical scheme, use locking sand grip to increase frictional force, can make the emergence that the deformation piece can be more quick crooked, can also increase the frictional force of nut body junction to avoid the nut body not hard up to appear, improved the fastening nature of being connected between nut and the bolt.
Preferably, the nut comprises a screw rod, a bolt cup head is integrally fixed at one end of the screw rod, a tool hole used for rotating the screw rod is formed in one side, away from the nut body, of the bolt cup head, and the deformation portion is arranged on one side, close to the bolt cup head, of the nut body.
Through adopting above-mentioned technical scheme, insert the instrument in the instrument hole to fix hexagon socket head cap screw, rotate the nut body at the use tool, the design can be convenient for more screw bolt and nut body like this, makes the deformation piece deformation with nut body auto-lock and bolt on, realizes the locking of nut body.
Preferably, the bottom of the tool hole is provided with an auxiliary hole for assisting in rotating the screw.
By adopting the technical scheme, the special tool is used for matching the tool hole and the auxiliary hole simultaneously by increasing the auxiliary hole, so that the screw rod can be fixed more firmly, the damage to the inner wall of the tool hole due to excessive force is avoided when the nut body is screwed to deform the deformation block, and the tightness of the joint part of the screw rod and the nut body is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
when the bolt is screwed with the nut body, the deformation block can be deformed, so that the nut body is locked on the bolt, the nut body is prevented from falling off from the bolt, and the connection tightness between the bolt and the nut body is ensured;
the deformation block is far away from the chamfer at one end of the nut body, so that the deformation block can be extruded to the bolt in the extrusion deformation process, and the deformation block and the bolt can be extruded more firmly, so that the nut body and the bolt are connected more firmly;
the tool hole and the auxiliary hole are matched to fix the bolt, so that damage to the inner wall of the tool hole due to excessive force can be avoided when the deformation block is deformed by rotating the nut body, and the fastening performance of the joint part of the nut body and the bolt can be ensured.
Drawings
Fig. 1 is a schematic structural view of an anti-drop nut according to embodiment 1 of the present application.
Fig. 2 is a schematic structural view of an anti-drop nut according to embodiment 2 of the present application.
Fig. 3 is a schematic structural diagram of a connection assembly including the nut according to an embodiment of the present disclosure.
Fig. 4 is a cross-sectional view of a connection assembly incorporating the nut of an embodiment of the present application.
Reference numerals are as follows: 1. a screw; 11. a tool hole; 12. a bolt cup head; 13. an auxiliary hole; 2. a nut body; 21. a threaded hole; 3. a deformation block; 31. deformation seams; 32. a deformed thread groove; 33. chamfering; 34. and locking the convex strips.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses anticreep nut and contain coupling assembling of this nut.
Example 1:
referring to fig. 1, an anticreep nut, including nut body 2 that is used for fastening device, nut body 2 is regular hexagon, threaded hole 21 has been seted up in nut body 2, nut body 2 is fixed with deformation portion in the integrative opening part circumference of threaded hole 21, nut body 2 carries out the in-process of screwing with the bolt, deformation portion takes place to warp under the effect of pressure, make nut body 2 and bolt realize the auto-lock, avoid nut body 2 not hard up in the bolt or even drop, ensure the fastening nature that bolt and nut are connected.
Referring to fig. 1, deformation portion is fixed in a plurality of deformation pieces 3 of nut body 2 one side including an organic whole, deformation piece 3 is the arc, 3 circumference array distributions of a plurality of deformation pieces are in the opening part of screw hole 21, 3 inner walls of deformation piece offer with screw hole 21 complex deformation thread groove 32, the diameter of screw hole 21 equals the diameter of deformation thread groove 32, be formed with the deformation seam 31 that is used for providing 3 deformation space of deformation piece along 2 axial of nut body between the adjacent deformation piece 3, chamfer 33 has been seted up to the one end that nut body 2 was kept away from to deformation piece 3. The deformation part is extruded, the deformation block 3 deforms towards the pressure close to the bolt under the influence of the chamfer 33, the deformation thread groove 32 extrudes the bolt, the self-locking of the nut body 2 is realized, the nut body 2 is prevented from loosening or even falling off in the bolt, and the tightness of connection between the bolt and the nut body 2 is ensured.
The implementation principle of the embodiment 1 is as follows: one side that is fixed with the shape change piece 3 with nut body 2 is towards the bolt, with shape change piece 3 extrusion deformation to make 3 butts of shape change piece be fixed in on the bolt, avoid nut body 2 not hard up on the bolt or even drop, improved the tightness of nut body 2 connection between the bolt.
Example 2:
referring to fig. 2, an anticreep nut, the difference with embodiment 1 lies in, deformation portion is fixed in a plurality of deformation pieces 3 of nut body 2 one side including an organic whole, 3 cross-sections of deformation piece are the arcuation, 3 one end an organic whole that keep away from nut body 2 of deformation piece is fixed with and is used for preventing 3 pivoted a plurality of locking sand grips 34 of deformation piece, locking sand grip 34 forms along deformation thread groove 32 circumference array, 3 circumference arrays of a plurality of deformation pieces distribute in the opening part of screw hole 21, 3 inner walls of deformation piece offer with screw hole 21 complex deformation thread groove 32, all be formed with deformation seam 31 between the adjacent deformation piece 3, a plurality of deformation seams 31 are the heliciform and distribute in screw hole 21 week side, and deformation seam 31's the rotation is opposite with screw hole 21's rotation direction.
Compare in embodiment 1, when this embodiment uses, through screwing messenger deformation portion extrusion deformation with nut body 2, at first, at the in-process of screwing, make mutual butt together between deformation piece 3 through the extrusion, make and extrude each other between the screw thread of deformation thread groove 32 and bolt, make the device realize certain auto-lock, through screwing nut body 2 again, make deformation piece 3 continue extrusion deformation, make between deformation piece 3 and the bolt more firm of butt, the firmness of being connected between nut body 2 and the bolt has been improved, adopt such design, can make nut body 2 just can realize the auto-lock of device when comparatively relaxing screwing, thereby the convenience of device use has been improved.
The utility model provides a coupling assembling that contains anticreep nut, refer to fig. 3 and fig. 4, including screw rod 1, screw rod 1's one end an organic whole is fixed with bolt cup 12, bolt cup 12 is kept away from one side of screw rod 1 and is offered the instrument hole 11 that is used for rotating screw rod 1, instrument hole 11 is regular hexagon, supplementary auxiliary hole 13 of rotating screw rod 1 is seted up to the bottom of instrument hole 11, auxiliary hole 13 is regular hexagon, screw rod 1 keeps away from one end threaded connection of bolt cup 12 has nut body 2, nut body 2 is close to bolt cup 12 in one side of deformation portion.
The implementation principle is as follows: during the use, be close to bolt cup 12 with nut body 2 in one side of deformation portion, with nut body 2 screw in on screw rod 1, rotate the bolt through using purpose-made instrument, the instrument is regular hexagon and is the same with the tool hole size, the one end an organic whole of instrument is fixed with the auxiliary block of the regular hexagon with auxiliary hole 13 size is the same, insert the instrument in tool hole 11, insert the auxiliary block of regular hexagon in auxiliary hole 13 simultaneously, adopt such design can avoid screwing the in-process messenger instrument of bolt and nut and take place to skid between the tool hole 11, tool hole 11 cooperation auxiliary hole 13 can make the bolt can bear bigger moment, make deformation piece 3 can better butt on the bolt, thereby improve the firmness of being connected between bolt and the nut.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an anticreep nut which characterized in that: the nut comprises a nut body (2) used for fastening equipment, a threaded hole (21) is formed in the nut body (2), and a deformation part is integrally fixed to the nut body (2) in the circumferential direction of an opening of the threaded hole (21).
2. The anti-drop nut of claim 1, wherein: deformation portion including an organic whole admittedly in a plurality of deformation piece (3) of nut body (2) one side, it is a plurality of deformation piece (3) circumference array distribute in the opening part of screw hole (21), it is adjacent follow between deformation piece (3) nut body (2) axial is provided with deformation seam (31).
3. The anti-drop nut of claim 2, wherein: the inner wall of the deformation block (3) is provided with a deformation thread groove (32) matched with the threaded hole (21).
4. The anti-drop nut of claim 3, wherein: and a chamfer (33) is formed at one end of the deformation block (3) far away from the nut body (2).
5. The anti-drop nut of claim 1, wherein: deformation portion including an organic whole admittedly in a plurality of deformation piece (3) of nut body (2) one side, it is a plurality of deformation piece (3) circumference array distribute in the opening part of screw hole (21), it is adjacent all be provided with deformation seam (31) between deformation piece (3), it is a plurality of deformation seam (31) be the heliciform distribute in screw hole (21) week side.
6. The anti-drop nut of claim 5, wherein: one end of the deformation block (3) far away from the nut body (2) is integrally fixed with a plurality of locking convex strips (34) for preventing the deformation block (3) from rotating.
7. The utility model provides a coupling assembling that contains anticreep nut which characterized in that: the anti-dropping nut is characterized by comprising a screw rod (1), the anti-dropping nut as claimed in any one of claims 1 to 3 is installed on the screw rod (1) in a threaded fit manner, a bolt cup head (12) is integrally fixed at one end of the screw rod (1), a tool hole (11) for rotating the screw rod (1) is formed in one side, away from the nut body (2), of the bolt cup head (12), and the deformation portion is arranged on one side, close to the bolt cup head (12), of the nut body (2).
8. The connection assembly of claim 7, comprising a drop-resistant nut, wherein: and an auxiliary hole (13) for assisting in rotating the screw rod (1) is formed at the bottom of the tool hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220024134.7U CN216691819U (en) | 2022-01-05 | 2022-01-05 | Anti-drop nut and connecting assembly comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220024134.7U CN216691819U (en) | 2022-01-05 | 2022-01-05 | Anti-drop nut and connecting assembly comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691819U true CN216691819U (en) | 2022-06-07 |
Family
ID=81825366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220024134.7U Active CN216691819U (en) | 2022-01-05 | 2022-01-05 | Anti-drop nut and connecting assembly comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691819U (en) |
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2022
- 2022-01-05 CN CN202220024134.7U patent/CN216691819U/en active Active
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