CN221033551U - Check nut - Google Patents
Check nut Download PDFInfo
- Publication number
- CN221033551U CN221033551U CN202322679497.1U CN202322679497U CN221033551U CN 221033551 U CN221033551 U CN 221033551U CN 202322679497 U CN202322679497 U CN 202322679497U CN 221033551 U CN221033551 U CN 221033551U
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- Prior art keywords
- nut
- wedge
- conical
- conical column
- shaped
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- 241000587161 Gomphocarpus Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model relates to the technical field of locknuts, and particularly discloses a check nut which comprises a nut A and a nut B, wherein a conical column is integrally formed on the top surface of the nut A, an internal threaded hole consistent with the middle of the nut A is formed in the middle of the conical column, a plurality of wedge-shaped grooves are circumferentially formed in the outer side of the conical column, wedge-shaped blocks are embedded in the inner side of each wedge-shaped groove, an arc-shaped surface is formed on one side of the wedge-shaped blocks, facing to an inner hole in the middle of the conical column, and a plurality of raised strips are integrally formed on the surface of the arc-shaped surface. According to the technical scheme, the nut B is sleeved above the nut A, and the conical column of the nut A is continuously pressed along with the conical groove of the nut B, so that the conical column is more tightly attached to the bolt, and the wedge-shaped block is tightly attached to the bolt in the process by the conical groove, so that the nut A is more stably meshed with the bolt, the loosening condition of the nut bolt structure is avoided, and the integral non-return effect of the nut is improved.
Description
Technical Field
The utility model relates to the technical field of locknuts, in particular to a check nut.
Background
A check nut is a special nut, also known as a lock nut or locknut. It has some special designs, aims at preventing that the nut is not hard up under vibration, vibrations or other exogenic actions, and the design of present check nut mainly falls into two kinds, and one kind is through setting up damping plastics in the nut is inside, and another kind is then locked through double nut complex mode, and the structure of the comparatively advanced double nut check nut of foreign is: the lower nut sets up the lug, goes up the nut and sets up the recess, compresses tightly the screw of lug laminating bolt through last nut to reach the locking effect of non return, thereby the nut not hard up needs self to take place to rotate and take place to shift and become flexible, based on this double nut non return nut's structure, can carry out institutional advancement, thereby promotes the locking effect of current double nut non return nut structure, consequently, we propose a non return nut.
Disclosure of utility model
The utility model aims to provide a check nut which solves the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the check nut comprises a nut A and a nut B, wherein a conical column is integrally formed on the top surface of the nut A, an internal threaded hole consistent with the middle of the nut A is formed in the middle of the conical column, a plurality of wedge-shaped grooves are formed in a surrounding manner on the outer side of the conical column, wedge-shaped blocks are embedded in each wedge-shaped groove, an arc-shaped surface is formed on one side, facing the inner hole in the middle of the conical column, of each wedge-shaped block, and a plurality of raised strips are integrally formed on the surface of the arc-shaped surface;
The inner side of the bottom of the nut B is provided with a conical groove matched with the shape of the conical column, and the conical groove of the nut B is sleeved outside the conical column of the nut A.
As a preferred implementation mode of the technical scheme of the application, a plurality of through holes with the same size are formed on the surface of the nut A in a surrounding mode, and vertebral nails are embedded in the through holes.
As a preferred implementation mode of the technical scheme of the application, the top of the vertebral nail is integrally formed with a ball head body, and the bottom of the vertebral nail is integrally formed with a nail head.
As a preferred embodiment of the technical scheme of the application, the total length of the vertebral nail is 2mm larger than the total depth of the through hole.
As a preferred implementation mode of the technical scheme of the application, a side corner of the wedge-shaped block, which is far away from the arc-shaped surface, is provided with an arc chamfer.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the technical scheme, the nut B is sleeved above the nut A, and the conical column of the nut A is continuously pressed along with the conical groove of the nut B, so that the conical column is more tightly attached to the bolt, and the wedge-shaped block is tightly attached to the bolt in the process by the conical groove, so that the nut A is more stably meshed with the bolt, the loosening condition of the nut bolt structure is avoided, and the integral non-return effect of the nut is improved.
2. According to the technical scheme, the nut B is sleeved above the nut A, the conical column of the nut A is continuously pressed along with the conical groove of the nut B, so that the conical nail can be continuously pressed down, and finally the nail head at the bottom end of the conical nail pierces the surface of a workpiece fixed below the nut A, so that the nut A is not easy to rotate, the condition that the nut A is loosened due to rotation caused by vibration is avoided, and the integral non-return effect of the nut can be improved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a partial cross-sectional view of a check nut of the present utility model;
Fig. 2 is a perspective view of the nut a;
fig. 3 is a perspective view of a wedge block.
In the figure: 1. a nut B; 2. a conical groove; 3. wedge blocks; 4. a vertebral nail; 5. a through hole; 6. a nut A; 7. a tapered column; 8. wedge-shaped grooves; 9. a convex strip; 10. an arc surface.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment 1, as shown in fig. 1-3, the present utility model provides a technical solution: the check nut comprises a nut A6 and a nut B1, wherein a conical column 7 is integrally formed on the top surface of the nut A6, an internal threaded hole consistent with the middle of the nut A6 is formed in the middle of the conical column 7, a plurality of wedge grooves 8 are circumferentially formed in the outer side of the conical column 7, wedge blocks 3 are embedded in each wedge groove 8, an arc-shaped surface 10 is formed on one side, facing the inner hole in the middle of the conical column 7, of each wedge block 3, and a plurality of raised strips 9 are integrally formed on the surface of the arc-shaped surface 10;
The inner side of the bottom of the nut B1 is provided with a conical groove 2 matched with the shape of the conical column 7, and the conical groove 2 of the nut B1 is sleeved outside the conical column 7 of the nut A6.
In a specific embodiment of the utility model, the nut B1 and the nut A6 can simultaneously fasten bolts with one specification, three wedge-shaped grooves 8 are formed around the outer side of the conical column 7 at equal intervals, a wedge-shaped block 3 matched with the external dimension of each wedge-shaped groove 8 is arranged in each wedge-shaped groove 8, and the fastening steps are as follows: firstly, a bolt passes through a fixing hole of a workpiece, then the nut A6 is screwed on the bolt, then the nut B1 is screwed on the bolt, the nut B1 is gradually tightly attached to the nut A6, the conical groove of the nut B1 continuously presses the conical column 7 of the nut A, the conical column 7 is tightly attached to the bolt, the wedge 3 is tightly attached to the bolt in the process, the nut A6 is more stable to be meshed with the bolt, the loosening condition of the nut bolt structure is avoided, the conical groove of the nut B1 continuously presses the conical column of the nut A6, the cone nail can be continuously pressed down, finally, the nail head at the bottom end of the cone nail is penetrated into the surface of the workpiece fixed below the nut A6, the nut A6 is not easy to rotate, the condition that the nut A6 is loosened due to rotation caused by vibration is avoided, and the integral non-return effect of the nut is improved.
In the preferred technical scheme, the surface of the nut A6 is surrounded and provided with a plurality of through holes 5 with the same size, the inside of the through holes 5 is inlaid and provided with the cone nail 4, the top of the cone nail 4 is integrally formed with a ball head body, the bottom of the cone nail 4 is integrally formed with a nail head, along with the continuous pressing of the cone groove 2 of the nut B on the cone column of the nut A, the cone nail can be continuously pressed down, and finally the nail head at the bottom of the cone nail penetrates into the surface of a workpiece fixed below the nut A, so that the nut A is not easy to rotate.
In a preferred embodiment, the total length of the spike 4 is 2mm greater than the total depth of the through hole 5, ensuring that the spike 4 has a sufficient length to penetrate the surface of the workpiece secured below the nut a.
In the preferred technical scheme, the arc chamfer is offered to wedge 3 deviating from in arc surface 10 one side corner, sets up the arc chamfer and is favorable to the conical groove 2 of nut B to carry out sliding contact with wedge 3 outside.
Working principle: through every wedge groove 8 inside all place one with wedge groove 8 overall dimension assorted wedge piece 3, pass the fixed orifices of work piece with the bolt earlier, then screw nut A6 at the bolt, then continue screw nut B1 on the bolt, nut B1 can paste nut A6 gradually, along with nut B1's conical groove continuously exert pressure nut A taper post 7, not only make taper post 7 paste the bolt more, and in-process conical groove can compress tightly wedge piece 3 paste the bolt, make nut A6 and bolt interlock more stable, along with nut B1's conical groove continuously exert pressure nut A6 taper post, can push down the spike 4 continuously, finally make the pin fin of spike 4 bottom pierce the fixed work piece surface of nut A6 below, make nut A6 be difficult for rotating.
Claims (5)
1. A non-return nut, characterized in that: the novel nut comprises a nut A (6) and a nut B (1), wherein a conical column (7) is integrally formed on the top surface of the nut A (6), an internal threaded hole consistent with the middle of the nut A (6) is formed in the middle of the conical column (7), a plurality of wedge grooves (8) are formed in the outer side of the conical column (7) in a surrounding mode, wedge blocks (3) are inlaid in the wedge grooves (8), an arc-shaped surface (10) is formed in one side, facing the inner hole in the middle of the conical column (7), of the wedge blocks (3), and a plurality of raised strips (9) are integrally formed on the surface of the arc-shaped surface (10);
The inner side of the bottom of the nut B (1) is provided with a conical groove (2) matched with the shape of the conical column (7), and the conical groove (2) of the nut B (1) is sleeved outside the conical column (7) of the nut A (6).
2. A check nut as defined in claim 1, wherein: the surface of the nut A (6) is provided with a plurality of through holes (5) with the same size in a surrounding mode, and vertebral nails (4) are embedded in the through holes (5).
3. A check nut as defined in claim 2, wherein: the top of the vertebral nail (4) is integrally formed with a ball head body, and the bottom of the vertebral nail (4) is integrally formed with a nail head.
4. A check nut as defined in claim 3, wherein: the total length of the vertebral nail (4) is 2mm greater than the total depth of the through hole (5).
5. A check nut as defined in claim 1, wherein: the corner of one side of the wedge-shaped block (3) deviating from the arc-shaped surface (10) is provided with an arc chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679497.1U CN221033551U (en) | 2023-10-08 | 2023-10-08 | Check nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679497.1U CN221033551U (en) | 2023-10-08 | 2023-10-08 | Check nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033551U true CN221033551U (en) | 2024-05-28 |
Family
ID=91187185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679497.1U Active CN221033551U (en) | 2023-10-08 | 2023-10-08 | Check nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033551U (en) |
-
2023
- 2023-10-08 CN CN202322679497.1U patent/CN221033551U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |