CN210290451U - Durable nut structure - Google Patents
Durable nut structure Download PDFInfo
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- CN210290451U CN210290451U CN201920966994.0U CN201920966994U CN210290451U CN 210290451 U CN210290451 U CN 210290451U CN 201920966994 U CN201920966994 U CN 201920966994U CN 210290451 U CN210290451 U CN 210290451U
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- wedge
- nut
- durable
- nut body
- shaped gasket
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Abstract
The utility model relates to a durable nut structure belongs to fastener technical field, including the nut body, set up threaded hole on the nut body, still include the wedge packing ring, the circular cone hole has been seted up to nut body one end, and wedge packing ring one end is equipped with the wedge bulge, and the wedge bulge is installed in the circular cone downthehole, set up eccentric screw hole on the wedge packing ring, the diameter of screw hole and eccentric screw hole is the same. The utility model discloses have the effect of strengthening the locking function of nut.
Description
Technical Field
The utility model belongs to the technical field of the fastener technique and specifically relates to a durable nut structure is related to.
Background
The machine is composed of parts, the relation among the parts is called connection, the connection is divided into sub-connection and static connection, the common screw thread fastener for the mechanical connection comprises a bolt, a screw, a stud, a nut, a washer and the like, wherein the connection of the bolt and the nut belongs to the static connection, the jointed parts are locked by friction, and the nut looseness prevention generally refers to the capacity of resisting the external impact, vibration or variable load after the nut is connected with the bolt in a screw thread way and is fastened, and the connection performance of the nut under the action of high temperature or large temperature change.
A current grant publication number is CN 206608438U's a chinese patent discloses a flange nut, and its technical scheme main points are that the nut body includes rotator and spacing body, rotator one end is arranged in to spacing body, spacing body and rotator body coupling, spacing body include spacing end and one end and rotator connection and the other end and the spacing link of being connected of end, be equipped with the through-hole that runs through with the connecting hole on the other terminal surface of spacing end and link end link, spacing serving be equipped with a plurality of mutual conflicts and along the stopper of through-hole circumference range.
The technical scheme has the following defects: because spacing body and rotator body coupling, when the nut received the vibration and produced not hard up, spacing body and rotator simultaneous movement to make spacing body can not effectual messenger's nut not hard up condition obtain alleviating.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a durable nut, it has the static friction who receives under the enhancement nut user state to the effect of reinforcing nut locking function.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a durable nut structure, includes the nut body, threaded hole has been seted up on the nut body, still includes the wedge packing ring, conical bore has been seted up to nut body one end, wedge packing ring one end is equipped with the wedge bulge circle, the wedge bulge circle is installed in conical bore, set up eccentric screw hole on the wedge packing ring, the diameter of screw hole and eccentric screw hole is the same.
Through adopting above-mentioned technical scheme, threaded connection is on the screw rod simultaneously when nut body and wedge packing ring, and the wedge packing ring is towards nut body motion process, because set up eccentric screw hole on the wedge packing ring, the inclined plane extrusion nut body of wedge bulge circle to make the screw rod radially receive the static friction force of wedge packing ring and nut body simultaneously, thereby realize strengthening the static friction between durable nut and the screw rod, thereby reach the locking effect of reinforcing nut.
The utility model discloses further set up to: the embedded groove has been seted up to the one end that the nut body was kept away from to the wedge packing ring, fixedly connected with tensioning piece on the embedded groove, tensioning piece includes support ring and skewed tooth, skewed tooth sets up along support ring circumference array along length direction's one end, skewed tooth slope fixed connection is in the lateral wall of support ring, and is a plurality of the support ring center is all towards to the one end that the support ring was kept away from to the skewed tooth.
Through adopting above-mentioned technical scheme, in the screw rod with durable nut screw in for the laminating of skewed tooth and the terminal surface of fastening the work piece continues the precession in-process, increases the laminating area of skewed tooth and terminal surface, and the skewed tooth produces elastic deformation, thereby increases the static friction that durable nut received.
The utility model discloses further set up to: and a flange plate is arranged at one end of the wedge-shaped gasket, which is far away from the nut, and the diameter of the flange plate is larger than that of the wedge-shaped gasket.
Through adopting above-mentioned technical scheme, be provided with the great ring flange of diameter, the laminating of ring flange terminal surface and fastening workpiece's terminal surface to increase area of contact, thereby increased the static friction that receives when durable nut uses, realized strengthening the effect of locking function.
The utility model discloses further set up to: the edge of the flange is arranged in a fillet manner.
Through adopting above-mentioned technical scheme for the ring flange terminal surface of durable nut reduces the edge and receives the stress that produces when colliding with in transportation or use, thereby the durable nut of effectual protection.
The utility model discloses further set up to: the flange plate is provided with a plurality of flower teeth at one end far away from the wedge-shaped gasket, and the flower teeth are arranged along the circumferential direction of the flange plate in an array mode.
Through adopting above-mentioned technical scheme, when the terminal surface laminating of ring flange terminal surface and fastening work piece, the flower tooth produces the surface that the small deformation closely laminated at the fastening work piece to the static friction that the durable bolt of increase received reaches the locking effect of the durable nut of reinforcing.
The utility model discloses further set up to: the flower tooth comprises an inclined plane, and the inclined angle between the inclined plane and the horizontal plane is not more than 10 degrees.
Through adopting above-mentioned technical scheme, the inclination on inclined plane keeps in certain extent and has guaranteed that the flower tooth has great area of contact with the surface of fastening the work piece, and the inclination on inclined plane degree too big can cause the area of contact of ring flange and work piece to reduce the static frictional force between ring flange and the work piece.
The utility model discloses further set up to: and a reinforcing inclined plane is integrally formed at the joint of the wedge-shaped gasket and the flange plate.
Through adopting above-mentioned technical scheme, strengthen the inclined plane and strengthened the intensity between ring flange and the wedge packing ring, screw up durable nut in-process, the junction atress of wedge packing ring and ring flange is even.
The utility model discloses further set up to: the size tolerance range of the diameter of the threaded hole is not more than 0.27 mm.
Through adopting above-mentioned technical scheme, the diameter range precision of screw hole can guarantee that nut body and screw rod clearance keep in reasonable within range in the cooperation to make durable nut show better locking effect.
To sum up, the utility model discloses a beneficial technological effect does:
1. the wedge-shaped convex circle matched with the conical hole is arranged, and when the wedge-shaped convex circle moves along the axial direction of the nut body, the screw rod can be subjected to static friction force of the wedge-shaped gasket and the nut body simultaneously in the radial direction, so that the anti-loosening function of the durable nut is enhanced;
2. the tensioning piece and the flange are arranged, so that the friction force between the nut and the end face of the fastening workpiece is further enhanced, and the anti-loosening effect of the nut in the using process is enhanced.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view showing the connection relationship between the durable nut, the threaded rod and the fastening workpiece according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
In the figure, 1, a nut body; 11. a threaded hole; 12. a conical bore; 13. a counter bore; 2. a wedge-shaped washer; 21. a wedge-shaped convex circle; 22. an eccentric threaded hole; 23. reinforcing the inclined plane; 24. a groove is embedded; 241. a tensioning sheet; 2411. a support ring; 2412. helical teeth; 3. a flange plate; 31. flower teeth; 311. a bevel; 4. a screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, for the utility model discloses a durable nut, including nut body 1, wedge packing ring 2 and flange dish 3, flange dish 3 and 2 integrated into one piece of wedge packing ring, 3 fixed connection in 2 one ends of wedge packing ring of flange dish, the diameter of flange dish 3 is greater than wedge packing ring 2, and 3 one ends of flange dish are kept away from to wedge packing ring 2 and are equipped with wedge bulge 21, and circular cone 12 has been seted up to 1 one end of nut body, and wedge bulge 21 pegs graft and cooperates in circular cone 12.
Referring to fig. 1, the edge of the flange 3 is a rounded corner, a spline 31 is arranged at one end of the flange 3 far away from the nut body 1, the spline 31 is arranged along the circumferential array of the flange 3, the spline 31 comprises an inclined plane 311, and the inclination angle between the inclined plane 311 and the horizontal plane is not more than 10 °.
Referring to fig. 2, threaded hole 11 is seted up on nut body 1, set up the eccentric screw hole 22 that link up on wedge packing ring 2 and the wedge bulge circle 21, threaded hole 11 is the same with eccentric screw hole 22's diameter, wedge packing ring 2 keeps away from nut body 1 one end and has seted up counter bore 13, wedge packing ring 2 and flange 3's junction integrated into one piece have the enhancement inclined plane 23, for the threaded connection precision cooperation demand of guaranteeing nut body 1 and bolt, the tolerance scope of threaded hole 11 diameter is no longer than 0.27 mm.
The implementation principle of the embodiment is as follows: inserting the wedge-shaped convex circle 21 into the conical hole 12, screwing the wedge-shaped washer 2 into the screw rod 4, and screwing the nut body 1 into the screw rod 4, so that the wedge-shaped convex circle 21 is inserted and installed in the conical hole 12, and the spline teeth 31 abut against the end face of a fastening workpiece; when fastening work piece vibration and produce little downstream distance, wedge bulge 21 also downstream or produce the downstream trend this moment, owing to set up eccentric screw hole 22 on the wedge bulge 21, radial extrusion screw rod 4 in wedge bulge 21 one side for the offside of nut body 1 radially extrudees screw rod 4 simultaneously, thereby increases the static friction of screw rod 4 and nut body 1, wedge packing ring 2.
Example two
Referring to fig. 3, for the utility model discloses a durable nut, the difference with embodiment one lies in that wedge packing ring 2 keeps away from the one end of nut body 1 and has seted up embedded groove 24, be equipped with tensioning piece 241 on embedded groove 24, tensioning piece 241 includes support ring 2411 and skewed tooth 2412, skewed tooth 2412 sets up on support ring 2411 along length direction's one end circumference array, skewed tooth 2412 slope fixed connection is in support ring 2411's lateral wall, the one end that support ring 2411 was kept away from to a plurality of skewed teeth 2412 all is towards support ring 2411 center, support ring 2411 fixed connection is on the tank bottom of embedded groove 24.
The implementation principle of the present embodiment is different from that of the first embodiment in that: the nut body 1 and the wedge-shaped washer 2 are screwed into the screw rod 4, end face parts of the inclined teeth 2412 and the spline teeth 31 are attached to the surface of a fastening workpiece, and the parts of the inclined teeth 2412 and the spline teeth 31 abutting against the surface of the fastening workpiece are slightly elastically deformed, so that static friction force between the durable nut and the surface of the fastening workpiece is increased, and the anti-loosening effect is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a durable nut structure, includes nut body (1), set up threaded hole (11) on nut body (1), its characterized in that: the nut is characterized by further comprising a wedge-shaped gasket (2), wherein a conical hole (12) is formed in one end of the nut body (1), a wedge-shaped convex circle (21) is arranged at one end of the wedge-shaped gasket (2), the wedge-shaped convex circle (21) is inserted into the conical hole (12), an eccentric threaded hole (22) is formed in the wedge-shaped gasket (2), and the diameters of the threaded hole (11) and the eccentric threaded hole (22) are the same.
2. A durable nut construction as claimed in claim 1, wherein: one end of the wedge-shaped gasket (2) far away from the nut body (1) is provided with an embedded groove (24), the embedded groove (24) is provided with a fixedly connected tensioning piece (241), the tensioning piece (241) comprises a support ring (2411) and inclined teeth (2412), the inclined teeth (2412) are arranged along the circumferential array of the support ring (2411), the inclined teeth (2412) are obliquely and fixedly connected to the side wall of the support ring (2411), and the inclined teeth (2412) are multiple, one end of the inclined teeth (2412) far away from the support ring (2411) is towards the center of the support ring (2411).
3. A durable nut construction as claimed in claim 1, wherein: one end of the wedge-shaped gasket (2) far away from the nut body (1) is provided with a flange plate (3), and the diameter of the flange plate (3) is larger than that of the wedge-shaped gasket (2).
4. A durable nut construction as claimed in claim 3, wherein: the edge of the flange plate (3) is arranged in a fillet manner.
5. A durable nut construction as claimed in claim 3, wherein: the one end that ring flange (3) kept away from wedge packing ring (2) is equipped with flower tooth (31), flower tooth (31) set up along the circumference array of ring flange (3).
6. A durable nut construction as claimed in claim 5, wherein: the spline teeth (31) comprise inclined planes (311), and the inclined angle between each inclined plane (311) and the horizontal plane is not more than 10 degrees.
7. A durable nut construction as claimed in claim 3, wherein: and a reinforcing inclined plane (23) is integrally formed at the joint of the wedge-shaped gasket (2) and the flange plate (3).
8. A durable nut construction as claimed in claim 1, wherein: the size tolerance range of the diameter of the threaded hole (11) is not more than 0.27 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966994.0U CN210290451U (en) | 2019-06-25 | 2019-06-25 | Durable nut structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966994.0U CN210290451U (en) | 2019-06-25 | 2019-06-25 | Durable nut structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290451U true CN210290451U (en) | 2020-04-10 |
Family
ID=70098625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920966994.0U Active CN210290451U (en) | 2019-06-25 | 2019-06-25 | Durable nut structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290451U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637139A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Locking nut with deformable teeth |
| CN111637138A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Non-standard flange nut for automobile chassis |
| CN112128205A (en) * | 2020-09-03 | 2020-12-25 | 海洋动力(海南自贸区)新能源科技有限公司 | Wedge-shaped anti-loosening nut |
-
2019
- 2019-06-25 CN CN201920966994.0U patent/CN210290451U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637139A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Locking nut with deformable teeth |
| CN111637138A (en) * | 2020-07-21 | 2020-09-08 | 浙江安盛汽车零部件有限公司 | Non-standard flange nut for automobile chassis |
| CN112128205A (en) * | 2020-09-03 | 2020-12-25 | 海洋动力(海南自贸区)新能源科技有限公司 | Wedge-shaped anti-loosening nut |
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