CN217926701U - Fastening device for preventing nut from loosening - Google Patents
Fastening device for preventing nut from loosening Download PDFInfo
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- CN217926701U CN217926701U CN202221788414.1U CN202221788414U CN217926701U CN 217926701 U CN217926701 U CN 217926701U CN 202221788414 U CN202221788414 U CN 202221788414U CN 217926701 U CN217926701 U CN 217926701U
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Abstract
The utility model relates to a prevent not hard up fastener of nut, including the main nut, the top of main nut is fixed with the wedge seat, the top of wedge seat is fixed with the spacing seat, the top movable mounting of main nut has vice nut, little screw has all been seted up to the left and right sides of vice nut, the inside movable mounting of vice nut has the headless screw, the bell jar has been seted up to the bottom of vice nut, the ring channel has been seted up to the inside of vice nut, the wedge seat includes main wedge platform, the top of main nut is fixed with main wedge platform, the top of main wedge platform is fixed with the connecting cylinder. This prevent not hard up fastener of nut, the little screw that sets up for assemble headless screw on vice nut, make headless screw support tight connecting cylinder, thereby realize spacing to the wedge seat, and then realize spacing to main nut, make and hold tightly each other to draw down between main nut and the vice nut, effectively prevent the pine and take off, the connecting cylinder of setting, with headless screw looks adaptation.
Description
Technical Field
The utility model relates to a nut technical field specifically is a prevent not hard up fastener of nut.
Background
The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials.
Many machines need continuous vibration due to self use requirements, such as trains, automobiles or other engineering machinery equipment, equipment accidents can be caused if a screw fastening device loosens, and therefore serious consequences can be caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a be not enough to prior art, the utility model provides a prevent not hard up fastener of nut possesses the advantage that prevents not hard up, has solved prior art, and in order to prevent that screw fastening device is not hard up, generally can add a gasket or add a nut more between nut and screw rod, but such locking effect of moving is not good, can not satisfy the problem of user demand.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent not hard up fastener of nut, includes the main nut, the top of main nut is fixed with the wedge seat, the top of wedge seat is fixed with the spacing seat, the top movable mounting of main nut has vice nut, little screw has all been seted up to the left and right sides of vice nut, the inside movable mounting of vice nut has the headless screw, the bell jar has been seted up to the bottom of vice nut, the ring channel has been seted up to the inside of vice nut, the wedge seat includes main wedge platform, the top of main nut is fixed with main wedge platform, the top of main wedge platform is fixed with the connecting cylinder, the top of connecting cylinder is fixed with vice wedge platform.
Furthermore, the spacing seat is including connecting the foot, the top of vice wedge platform is fixed with connects the foot, the top of connecting the foot is fixed with the spacing ring.
Furthermore, the quantity of connecting the foot is two, and the top left and right sides of vice wedge platform respectively one, the bottom left and right sides of spacing ring respectively with the top fixed connection of two left and right sides connecting the foot.
Furthermore, the wedge seat is matched with the conical groove, the annular groove is communicated with the conical groove, the limiting ring is matched with the annular groove, the limiting ring is positioned in the annular groove, and the limiting ring is rotatably connected with the annular groove.
Furthermore, the headless screws are in equal number and one-to-one correspondence with the small screw holes, and the headless screws are matched with the connecting cylinders.
Furthermore, one side of the headless screw close to the wedge seat is tightly abutted to the connecting cylinder, and the other side of the headless screw is provided with an inner hexagonal groove.
(III) advantageous effects
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
this prevent fastener that nut is not hard up, wedge seat through setting up, with the taper groove looks adaptation of seting up on the vice nut, utilize the cooperation between wedge seat and the vice nut, realize the effect through the spacing main nut of vice nut, make the nut assembly fastening, difficult pine takes off, the spacing seat of setting, the ring channel adaptation of seting up on the spacing ring of assembly on the spacing seat and the vice nut, make main nut and vice nut rotate asynchronously, the little screw of setting, be used for assembling headless screw on vice nut, make headless screw support tight connecting cylinder, thereby realize spacing to the wedge seat, and then realize spacing to main nut, make and hold tightly between main nut and the vice nut to draw each other, effectively prevent the pine and take off, the connecting cylinder of setting, with headless screw looks adaptation.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of the three-dimensional explosion structure of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the present invention.
In the figure: the device comprises a main nut 1, a wedge seat 2, a limiting seat 3, an auxiliary nut 4, a small screw hole 5, a headless screw 6, a conical groove 7, an annular groove 8, a main wedge table 9, a connecting cylinder 10, an auxiliary wedge table 11, a connecting pin 12 and a limiting ring 13.
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.
Referring to fig. 1-3, a fastening device for preventing nut loosening in this embodiment includes a main nut 1, a wedge seat 2 is fixed on the top of the main nut 1, a limiting seat 3 is fixed on the top of the wedge seat 2, an auxiliary nut 4 is movably installed on the top of the main nut 1, small screw holes 5 are respectively formed on the left side and the right side of the auxiliary nut 4, a headless screw 6 is movably installed inside the auxiliary nut 4, a tapered groove 7 is formed in the bottom of the auxiliary nut 4, the arranged wedge seat 2 is matched with the tapered groove 7 formed in the auxiliary nut 4, the effect of limiting the main nut 1 by the auxiliary nut 4 is realized by using the cooperation between the wedge seat 2 and the auxiliary nut 4, so that the nut is assembled and fastened and is not easily loosened, an annular groove 8 is formed inside the auxiliary nut 4, the wedge seat 2 includes a main wedge table 9, the main wedge table 9 is fixed on the top of the main nut 1, a connecting cylinder 10 is fixed on the top of the main wedge table 9, the arranged small screw holes 5 are used for assembling the headless screw 6 on the auxiliary nut 4, the headless screw 6 is abutted against the connecting cylinder 10, thereby realizing the effect of fixing the main wedge seat 2 and preventing the auxiliary nut from loosening, and the connecting cylinder 10, and the nut from being effectively matched with the auxiliary nut, and the nut.
The working principle of the above embodiment is as follows:
the main nut 1 and the auxiliary nut 4 are integrally assembled on a stud needing to be installed, the main nut 1 is only rotated to feed on the stud, the auxiliary nut 4 is pulled to move through the matching of the limiting ring 13 and the annular groove 8, the positions of the main nut 1 and the auxiliary nut 4 are not aligned at the moment, a certain gap is opened between the main nut 1 and the auxiliary nut 4, the main nut 1 and the auxiliary nut 4 are rotated together to the required position, the auxiliary nut 4 is only rotated to feed on the stud to be close to the main nut 1, the limiting ring 13 is close to the top of the annular groove 8 at the moment, two headless screws 6 are assembled in two small screw holes 5 and are tightly abutted against a connecting cylinder 10, so that the main nut 1 is limited on the auxiliary nut 4, the heights of the two nuts on the stud are different, the positions of the two nuts are different from the positions of the screw thread locking, and therefore the two nuts are mutually restrained, and the loosening prevention effect is achieved.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A fastening device for preventing loosening of a nut comprises a main nut (1), and is characterized in that: the top of main nut (1) is fixed with wedge seat (2), the top of wedge seat (2) is fixed with spacing seat (3), the top movable mounting of main nut (1) has vice nut (4), little screw (5) have all been seted up to the left and right sides of vice nut (4), the inside movable mounting of vice nut (4) has headless screw (6), bell mouth (7) have been seted up to the bottom of vice nut (4), ring channel (8) have been seted up to the inside of vice nut (4), wedge seat (2) are including main wedge platform (9), the top of main nut (1) is fixed with main wedge platform (9), the top of main wedge platform (9) is fixed with connecting cylinder (10), the top of connecting cylinder (10) is fixed with vice wedge platform (11).
2. A fastening device for preventing loosening of a nut according to claim 1, wherein: the limiting seat (3) comprises a connecting pin (12), the top of the auxiliary wedge platform (11) is fixed with the connecting pin (12), and the top of the connecting pin (12) is fixed with a limiting ring (13).
3. A fastening device for preventing loosening of a nut according to claim 2, wherein: the number of connecting foot (12) is two, and the top left and right sides of vice wedge platform (11) respectively one, the bottom left and right sides of spacing ring (13) respectively with the top fixed connection of controlling two connecting foot (12).
4. A fastening device for preventing loosening of a nut according to claim 2, wherein: wedge seat (2) and bell jar (7) looks adaptation, ring channel (8) communicate with each other with bell jar (7), spacing ring (13) and ring channel (8) looks adaptation, spacing ring (13) are located ring channel (8), and spacing ring (13) are connected with ring channel (8) rotation.
5. A fastening device for preventing loosening of a nut according to claim 1, wherein: the headless screws (6) are in one-to-one correspondence with the small screw holes (5) in equal quantity, and the headless screws (6) are matched with the connecting cylinders (10).
6. A fastening device for preventing loosening of a nut according to claim 1, wherein: one side of the headless screw (6) close to the wedge seat (2) is tightly abutted to the connecting cylinder (10), and the other side of the headless screw (6) is provided with an inner hexagonal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788414.1U CN217926701U (en) | 2022-07-12 | 2022-07-12 | Fastening device for preventing nut from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788414.1U CN217926701U (en) | 2022-07-12 | 2022-07-12 | Fastening device for preventing nut from loosening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217926701U true CN217926701U (en) | 2022-11-29 |
Family
ID=84188612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221788414.1U Active CN217926701U (en) | 2022-07-12 | 2022-07-12 | Fastening device for preventing nut from loosening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217926701U (en) |
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2022
- 2022-07-12 CN CN202221788414.1U patent/CN217926701U/en active Active
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