CN212079899U - Double-end locking spring nut subassembly of make-up - Google Patents
Double-end locking spring nut subassembly of make-up Download PDFInfo
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- CN212079899U CN212079899U CN201922436201.7U CN201922436201U CN212079899U CN 212079899 U CN212079899 U CN 212079899U CN 201922436201 U CN201922436201 U CN 201922436201U CN 212079899 U CN212079899 U CN 212079899U
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Abstract
The utility model discloses a double-head anti-loosening spring nut component, which comprises a spring nut and an inner-buckling hexagonal sheet metal nut, the spring nut is internally provided with an inner-buckled hexagonal sheet metal nut, the spring nut consists of an external six-side supporting body, a spring nut rear thread and a spring nut front thread, one side of the top end of the external six-side supporting body is provided with the spring nut rear thread, and the other side is provided with a front screw thread of a spring nut, the inner-buckled hexagonal sheet metal nut consists of an inner hexahedral support body, a rear screw thread of the inner-buckled hexagonal sheet metal nut and a front screw thread of the inner-buckled hexagonal sheet metal nut, the locking effect of fastener is increased, simultaneously, the pressure on the surface of the connected piece can be reduced, so that the spring and the nut are integrated, the number of parts is reduced, the fastening connection and the dismounting are convenient, the structure is simple, the universality is strong, the manufacturing process is simple, the quality is light, and the cost is low.
Description
Technical Field
The utility model relates to a fastener technical field among the mechanical engineering, in particular to make-up double-end check spring nut subassembly.
Background
With the development of science and technology and the improvement of energy-saving and environment-friendly consciousness, new requirements are continuously put forward on the related fastening connection of mechanical equipment and tools in the fields of aerospace, traffic, electronics, photovoltaic, new energy industries and the like; however, the existing fastener is matched with a single helical surface in rigidity, so that the bolt, the thread of the bolt and a connected piece are damaged due to large pretightening force and uneven thread stress, particularly, in threaded connection in the environment with vibration machinery and wind power and large temperature difference, a shockproof and antiskid accessory device must be additionally arranged, and when the special requirements of precise and safe threaded connection exist, the requirements on the material and the manufacturing process of the bolt and the hexagon nut are particularly high; in the aspect of the fastener anti-loosening technology, the technology of basically configuring a spring washer and a flat washer and gradually developing the technology of improving thread structures such as screwing between double nuts, notching on the circumference of a middle-round nut, an excircle through threaded hole + a countersunk screw, + internally provided with staggered cam wedges, a tooth-changing type and the like and intelligent anti-loosening of shape memory alloy are adopted, so that the manufacturing difficulty of the fastener is increased, and the assembly and disassembly difficulty of installation and maintenance is also brought.
Therefore, it is necessary to solve the above problems by the double-headed check spring nut assembly of the utility model.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make-up double-end locking spring nut subassembly to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: double-end locking spring nut subassembly detains, including spring nut and interior knot hexagon sheet metal nut, spring nut internally mounted has interior knot hexagon sheet metal nut, spring nut comprises six external supporter, spring nut back screw thread and spring nut front thread, six external supporter top one side is provided with spring nut back screw thread, and the opposite side is equipped with spring nut front thread, interior knot hexagon sheet metal nut comprises six internal supporter, interior knot hexagon sheet metal nut back screw thread and interior knot hexagon sheet metal nut front thread, six internal supporter bottom one end including interior knot hexagon sheet metal nut back screw thread sets up, six internal supporter bottom other ends including interior knot hexagon sheet metal nut front thread setting.
Preferably, the axial distance between the two threads of the opposite-buckling double-end anti-loose spring nut not only depends on the height of the inner-buckling hexagonal sheet metal nut, but also can be adjusted through the relative position of a hexagonal surface matched by the spring nut and the inner-buckling hexagonal sheet metal nut; the adjustment range is six one-sixth of the thread pitch.
Preferably, according to the needs of the connected piece, the material thickness of the inside-buckled hexagonal sheet metal nut can be equal to or larger than or smaller than that of the spring nut, the thread form angles of the threads of the inside-buckled hexagonal sheet metal nut can be inconsistent, and the thread pitch and the thread specification thereof are correspondingly matched with the external threads of the bolt respectively.
The utility model discloses a technological effect and advantage:
the utility model discloses a be provided with spring nut, screw behind the spring nut, screw before the spring nut, six supporter outside, interior knot hexagonal sheet metal nut, screw behind the interior knot hexagonal sheet metal nut, screw before the interior knot hexagonal sheet metal nut, six supporter in, when increasing the locking effect of fastener, still reducible to the pressure by the connecting piece surface for spring and nut integration have reduced part quantity, conveniently fasten the connection dismouting, and simple structure, and the commonality is strong, and manufacturing process is simple, and the quality is light and with low costs.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a bottom view of the present invention.
Fig. 3 is a perspective view of the present invention.
In the figure: 1 spring nut, 11 spring nut back threads, 12 spring nut front threads, 13 external six-face supporting bodies, 2 internal thread hexagonal sheet metal nuts, 21 internal thread hexagonal sheet metal nut back threads, 22 internal thread hexagonal sheet metal nut front threads and 23 internal six-face supporting bodies.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a make-up double-end locking spring nut subassembly as shown in the figure, including spring nut 1 and interior knot hexagon sheet metal nut 2, 1 internally mounted of spring nut has interior knot hexagon sheet metal nut 2, its characterized in that: spring nut 1 comprises screw thread 12 before screw thread 11 and the spring nut behind six supporter 13, the spring nut outside, 13 top one side of six supporter are provided with screw thread 11 behind the spring nut, and the opposite side is equipped with screw thread 12 before the spring nut, interior knot hexagonal sheet metal nut 2 comprises six supporter 23 in, interior knot hexagonal sheet metal nut back thread 21 and interior knot hexagonal sheet metal nut front thread 22, six supporter 23 bottom one end including interior knot hexagonal sheet metal nut back thread 21 sets up, interior knot hexagonal sheet metal nut front thread 22 sets up the other end in six supporter 23 bottoms.
Furthermore, in the technical scheme, the axial distance between the two threads of the opposite double-head anti-loose spring nut not only depends on the height of the inner-buckled hexagonal sheet metal nut, but also can be adjusted through the relative position of the device spring nut and the hexagonal surface matched with the inner-buckled hexagonal sheet metal nut; the adjusting range is six one-sixth screw pitches;
further, in the above technical scheme, according to the requirement of the connected piece, the material thickness of the inside-threaded hexagonal sheet metal nut may be equal to or greater than or less than that of the spring nut, and the thread form angles of the threads may be inconsistent, and the thread pitch and the thread specification thereof are correspondingly matched with the external thread of the bolt respectively.
The utility model discloses the theory of operation:
referring to the attached drawings of the specification, the double-end anti-loosening spring nut assembly comprises a spring nut 1 and an inner-buckled hexagonal sheet metal nut 2; the spring nut 1 and the inner-buckled hexagonal sheet metal nut 2 are both manufactured by stamping a metal sheet to form an assembly which is provided with two spring nut rear threads 11 and inner-buckled hexagonal sheet metal nut rear threads 21 which are consistent with the external thread of the bolt and have a fixed distance and are matched with two screw pitches, namely an inner-buckled hexagonal sheet metal nut front thread 12 and an inner-buckled hexagonal sheet metal nut front thread 22, an outer six-sided support body 13 and an inner six-sided support body 23, the initial included angle between the spring nut rear thread 11 and the inner-buckled hexagonal sheet metal nut rear thread 21, and the spring nut front thread 12 and the inner-buckled hexagonal sheet metal nut front thread 22 is larger than the external thread tooth form angle of the bolt, and as the fastening is carried out, the initial included angle tends to be consistent with the external thread form angle of the bolt gradually, so as to form elastic force between the screw surfaces meshed with the external thread of the, and has a certain elasticity.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (1)
1. Make-up double-end locking spring nut subassembly, including spring nut (1) and interior knot hexagonal sheet metal nut (2), spring nut (1) internally mounted has interior knot hexagonal sheet metal nut (2), its characterized in that: spring nut (1) comprises six supporter (13), spring nut back screw thread (11) and spring nut front thread (12) outward, six supporter (13) top one side is provided with spring nut back screw thread (11), and opposite side is equipped with spring nut front thread (12), interior knot hexagonal sheet metal nut (2) comprise six supporter (23) in, thread (21) behind the interior knot hexagonal sheet metal nut and thread (22) before the interior knot hexagonal sheet metal nut, six supporter (23) bottom one end including interior knot hexagonal sheet metal nut back thread (21) set up, interior knot hexagonal sheet metal nut front thread (22) set up six supporter (23) bottom other end including.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922436201.7U CN212079899U (en) | 2019-12-30 | 2019-12-30 | Double-end locking spring nut subassembly of make-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922436201.7U CN212079899U (en) | 2019-12-30 | 2019-12-30 | Double-end locking spring nut subassembly of make-up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079899U true CN212079899U (en) | 2020-12-04 |
Family
ID=73566236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922436201.7U Active CN212079899U (en) | 2019-12-30 | 2019-12-30 | Double-end locking spring nut subassembly of make-up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079899U (en) |
-
2019
- 2019-12-30 CN CN201922436201.7U patent/CN212079899U/en active Active
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