CN212615832U - Toothed fastening hexagon nut - Google Patents
Toothed fastening hexagon nut Download PDFInfo
- Publication number
- CN212615832U CN212615832U CN202021344514.6U CN202021344514U CN212615832U CN 212615832 U CN212615832 U CN 212615832U CN 202021344514 U CN202021344514 U CN 202021344514U CN 212615832 U CN212615832 U CN 212615832U
- Authority
- CN
- China
- Prior art keywords
- fastening
- hexagonal nut
- teeth
- flower
- ring groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008602 contraction Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a take tooth fastening hexagon nut, including hexagon nut body, screw thread mounting hole, fastening inner ring groove, interior locking flower tooth, shrink pressure ring spare, spacing top ring, outer annular groove and outer fastening flower tooth. The utility model discloses can make hexagon nut's outside elasticity fastening tooth card jail installation face, the screw thread post of the inboard elasticity fastening tooth shrink locking installation in cooperation bottom promotes the reliability of hexagon nut locking simultaneously.
Description
Technical Field
The utility model relates to a technical field of nut, especially a take tooth fastening hexagon nut's technical field.
Background
The hexagonal nut (Hexagon nut) is matched with the bolt and the screw to be used for connecting and fastening the machine parts. According to different materials, the materials are classified into carbon steel, stainless steel, non-ferrous metals (such as copper) and the like. The working principle of the hexagon nut is that the friction force between the hexagon nut and the bolt is adopted for self-locking. However, the reliability of the self-locking in dynamic load is reduced, and in some important occasions, some fastening structures need to be designed to ensure the locking reliability of the hexagonal nut.
Disclosure of Invention
The utility model discloses an aim at solving the problem among the prior art, provide a take tooth fastening hexagon nut, can make hexagon nut's outside elasticity fastening tooth card jail installation face, cooperate the screw thread post of the inboard elasticity fastening tooth shrink locking installation in bottom simultaneously, promote the reliability of hexagon nut locking.
In order to realize the above-mentioned purpose, the utility model provides a take tooth fastening hexagon nut, including hexagon nut body, screw thread mounting hole, fastening inner ring groove, interior locking flower tooth, shrink pressure ring spare, spacing apical ring, outer ring groove and external fastening flower tooth, the hexagon nut body runs through along the axis direction and is provided with the screw thread mounting hole, the bottom of screw thread mounting hole is provided with the fastening inner ring groove, the inboard leanin of fastening inner ring groove is provided with a plurality of interior locking flower teeth, the outside cover of interior locking flower tooth is equipped with the shrink pressure ring spare, the bottom of shrink pressure ring spare is provided with spacing apical ring, the bottom surface protrusion of spacing apical ring sets up the below at the fastening inner ring groove, the bottom outside of hexagon nut body is provided with outer ring groove, the outer ring inslot leanin is provided with a plurality of external fastening flower teeth.
Preferably, the number of the external fastening spline teeth is six, the external fastening spline teeth are distributed at the bottom of a side edge angle of the hexagonal nut body in a one-to-one correspondence manner, the diameter of the outer circumference of each external fastening spline tooth is larger than the outer diameter of the hexagonal nut body, and the initial height of each external fastening spline tooth is three times of the depth of the outer ring groove.
Preferably, the initial inclination angle of the external fastening spline is 60-75 °, and the inclination angle of the internal locking spline is 45-60 °.
Preferably, the number of the inner locking spline teeth is multiple, the inner locking spline teeth are uniformly distributed in the fastening inner ring groove in a surrounding manner in the lower direction of the inclined inner side, and the initial positions of the bottom ends of the inner locking spline teeth are located on the outer side of the vertical mounting surface of the thread mounting hole.
Preferably, the external fastening spline teeth and the internal locking spline teeth are elastic spline teeth.
Preferably, the bottom end of the inner locking spline is adhered with a wear-resistant rubber sleeve.
Preferably, the inner side surface of the contracting pressure ring piece is in the shape of a circular arc with the gradually contracting bottom.
Preferably, the inner side wall of the fastening inner ring groove is provided with a positioning inner thread, and the outer side surface of the contracting pressure ring piece is correspondingly meshed with a positioning outer thread.
Preferably, the bottom surface of the limit top ring is an anti-skid thread surface, and the limit top ring is parallel to the bottom of the hexagonal nut body.
The utility model has the advantages that: the utility model discloses a with hexagon nut body, screw thread mounting hole, fastening inner ring groove, interior locking flower tooth, shrink pressure ring spare, spacing apical ring, outer ring groove and outer fastening flower tooth combination together, through experimental optimization, can make hexagon nut's outside elasticity fastening tooth card jail installation face, the screw thread post of the inboard elasticity fastening tooth shrink locking installation in cooperation bottom simultaneously promotes the reliability of hexagon nut locking.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a toothed fastening hexagon nut of the present invention;
fig. 2 is a schematic view of the structure of the toothed fastening hexagon nut of the present invention.
In the figure: 1-a hexagonal nut body, 2-a thread mounting hole, 3-a fastening inner ring groove, 4-an inner locking spline, 5-a contraction pressure ring piece, 6-a limit top ring, 7-an outer ring groove, 8-an outer fastening spline, 9-a wear-resistant rubber sleeve, 10-a positioning inner thread and 11-a positioning outer thread.
Detailed Description
Referring to fig. 1 and 2, the hexagonal nut with teeth fastening of the present invention comprises a hexagonal nut body 1, a threaded mounting hole 2, a fastening inner annular groove 3, inner locking spline teeth 4, a shrinking pressing ring member 5, a limiting top ring 6, an outer annular groove 7 and outer fastening spline teeth 8, wherein the threaded mounting hole 2 is formed in the hexagonal nut body 1 along the axial direction, the fastening inner annular groove 3 is formed at the bottom of the threaded mounting hole 2, a plurality of inner locking spline teeth 4 are obliquely arranged inside the fastening inner annular groove 3, the shrinking pressing ring member 5 is sleeved outside the inner locking spline teeth 4, the limiting top ring 6 is arranged at the bottom of the shrinking pressing ring member 5, the bottom surface of the limiting top ring 6 is convexly arranged below the fastening inner annular groove 3, the outer annular groove 7 is arranged outside the bottom of the hexagonal nut body 1, the outer fastening spline teeth 8 are obliquely arranged inside the outer annular groove 7, the number of the external fastening flower teeth is six, the external fastening flower teeth are correspondingly distributed at the bottom of a side edge corner of the hexagonal nut body 1 one by one, the diameter of the outer circumference of each external fastening flower tooth is larger than the outer diameter of the hexagonal nut body 1, the initial height of each external fastening flower tooth is three times of the depth of the outer annular groove 7, the initial inclination angle of each external fastening flower tooth is 60-75 degrees, the inclination angle of each internal locking flower tooth 4 is 45-60 degrees, the number of the internal locking flower teeth 4 is multiple, the lower parts of the oblique inner sides of the internal locking flower teeth 4 are uniformly distributed in the fastening inner annular groove 3 in a surrounding manner, the initial position of the bottom ends of the internal locking flower teeth 4 is positioned on the outer side of the vertical mounting surface of the thread mounting hole 2, the external fastening flower teeth and the internal locking flower teeth 4 are elastic flower teeth, and the lowest ends of the internal locking flower teeth 4 are adhered with wear-resistant rubber, the inner side surface of the shrinkage pressure ring piece 5 is in the shape of a circular arc with the bottom gradually shrinking, a positioning internal thread 10 is arranged on the inner side wall of the fastening inner ring groove 3, a positioning external thread 11 is correspondingly meshed with the outer side surface of the shrinkage pressure ring piece 5, the bottom surface of the limit top ring 6 is an anti-skid surface, and the limit top ring 6 is parallel to the bottom of the hexagonal nut body 1.
The utility model discloses a combine hexagon nut body 1, screw thread mounting hole 2, fastening inner ring groove 3, interior locking flower tooth 4, shrink pressure ring spare 5, spacing apical ring 6, outer annular groove 7 and outer fastening flower tooth 8 together, through experimental optimization, can make hexagon nut's outside elasticity fastening tooth card jail installation face, the screw thread post of the inboard elasticity fastening tooth shrink locking installation in cooperation bottom simultaneously promotes the reliability of hexagon nut locking.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (9)
1. The utility model provides a take tooth fastening hexagon nut which characterized in that: the hexagonal nut comprises a hexagonal nut body (1), a threaded mounting hole (2), a fastening inner ring groove (3), inner locking flower teeth (4), a contraction pressure ring piece (5), a limiting top ring (6), an outer ring groove (7) and outer fastening flower teeth (8), wherein the threaded mounting hole (2) penetrates through the hexagonal nut body (1) along the axis direction, the fastening inner ring groove (3) is arranged at the bottom of the threaded mounting hole (2), a plurality of inner locking flower teeth (4) are obliquely arranged inwards in the fastening inner ring groove (3), the contraction pressure ring piece (5) is sleeved on the outer side of each inner locking flower tooth (4), the limiting top ring (6) is arranged at the bottom of the contraction pressure ring piece (5), the bottom surface of the limiting top ring (6) is arranged below the fastening inner ring groove (3) in a protruding manner, the outer ring groove (7) is arranged on the outer side of the bottom of the hexagonal nut body (1), a plurality of external fastening flower teeth (8) are obliquely arranged in the outer ring groove (7) inwards and outwards.
2. The toothed fastening hexagonal nut of claim 1, wherein: the number of the external fastening flower teeth (8) is six, the external fastening flower teeth (8) are distributed at the bottom of a side edge corner of the hexagonal nut body (1) in a one-to-one correspondence mode, the diameter of the outer circumference of each external fastening flower tooth (8) is larger than the outer diameter of the hexagonal nut body (1), and the initial height of each external fastening flower tooth (8) is three times the depth of the outer ring groove (7).
3. The toothed fastening hexagonal nut of claim 1, wherein: the initial inclination angle of the external fastening spline (8) is 60-75 degrees, and the inclination angle of the internal locking spline (4) is 45-60 degrees.
4. The toothed fastening hexagonal nut of claim 1, wherein: the number of the inner locking spline teeth (4) is multiple, the inner locking spline teeth (4) are uniformly distributed in the fastening inner ring groove (3) in a surrounding mode below the inclined inner side, and the initial positions of the bottom ends of the inner locking spline teeth (4) are located on the outer side of the vertical mounting surface of the thread mounting hole (2).
5. The toothed fastening hexagonal nut of claim 1, wherein: the external fastening spline teeth (8) and the internal locking spline teeth (4) are elastic spline teeth.
6. The toothed fastening hexagonal nut of claim 1, wherein: and a wear-resistant rubber sleeve (9) is adhered to the bottommost end of the inner locking spline (4).
7. The toothed fastening hexagonal nut of claim 1, wherein: the inner side surface of the contracting pressure ring piece (5) is in the shape of a circular arc with the bottom gradually contracting.
8. The toothed fastening hexagonal nut of claim 1, wherein: and a positioning internal thread (10) is arranged on the inner side wall of the fastening inner ring groove (3), and a positioning external thread (11) is correspondingly meshed with the outer side surface of the contraction pressure ring piece (5).
9. The toothed fastening hexagonal nut of claim 1, wherein: the bottom surface of the limiting top ring (6) is an anti-skid thread surface, and the limiting top ring (6) is parallel to the bottom of the hexagonal nut body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021344514.6U CN212615832U (en) | 2020-07-10 | 2020-07-10 | Toothed fastening hexagon nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021344514.6U CN212615832U (en) | 2020-07-10 | 2020-07-10 | Toothed fastening hexagon nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615832U true CN212615832U (en) | 2021-02-26 |
Family
ID=74745043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021344514.6U Expired - Fee Related CN212615832U (en) | 2020-07-10 | 2020-07-10 | Toothed fastening hexagon nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677739A (en) * | 2020-07-10 | 2020-09-18 | 嘉兴远信五金科技股份有限公司 | Toothed fastening hexagon nut |
-
2020
- 2020-07-10 CN CN202021344514.6U patent/CN212615832U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677739A (en) * | 2020-07-10 | 2020-09-18 | 嘉兴远信五金科技股份有限公司 | Toothed fastening hexagon nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |