CN216618215U

CN216618215U - Concave-convex nut

Info

Publication number: CN216618215U
Application number: CN202122990665.XU
Authority: CN
Inventors: 张文兵; 朱健平
Original assignee: Nanjing Junwei Innovation Seiko Machinery Co ltd
Current assignee: Nanjing Junwei Innovation Seiko Machinery Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-27
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a concave-convex nut which comprises a top step, wherein a groove opening is formed in the surface of the top step, a bottom step is arranged in the middle of the lower end of the top step, and a threaded hole is formed in the middle between the top step and the bottom step. The top step and the bottom step are integrally formed. The utility model has a bottom step at the bottom, which can be fitted into the mounting hole to prevent the displacement of the concave-convex nut. The top step above is equipped with the notch, and after the suppression, the screw thread part produces the deformation space, when fastening with nut or other outer nut cooperations, produces pressure at the screw thread part, reaches locking purpose, and this concave-convex nut is applicable to the narrow and small or great position in installation space, and the locking effect is better.

Description

Concave-convex nut

Technical Field

The utility model relates to the technical field of nuts, in particular to a concave-convex nut.

Background

Nuts used as fasteners in equipment or buildings can loosen under high-frequency vibration, so that the stability of the equipment or the buildings is affected, and serious results are caused. When the existing nut is fastened, the contact surface between the internal thread of the nut and the external thread of the bolt is relatively small, the generated friction force is relatively weak, the fastening effect cannot be generated in high-frequency vibration, the nut is easy to displace after being installed, meanwhile, the requirement on installation space is harsh, the nut cannot adapt to installation requirements of different spaces, the locking effect is poor, and therefore the concave-convex nut is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a concave-convex nut to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a concave-convex nut, includes the top step, top step surface is equipped with the notch, the lower extreme middle part of top step is equipped with the bottom step, middle part between top step and the bottom step is equipped with the screw hole. The top step and the bottom step are integrally formed.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has a step (namely a bottom step) at the lower part, which can be matched into the mounting hole to prevent the displacement of the concave-convex nut. The big step (being the top step) above has the notch, and after the suppression, the screw thread part (being the screw thread of screw hole) produces the deformation space, when fastening with nut or other outer nut cooperations, produces pressure in the screw thread part, reaches locking purpose, and the single groove (being the notch of opening promptly is equipped with a set ofly) is applicable to the narrow and small position in installation space. The double grooves (namely two groups of the opening grooves) are suitable for the parts with larger installation space, and the locking effect is better.

Drawings

Fig. 1 is a first perspective view of embodiment 1 of the present invention;

fig. 2 is a second perspective view of embodiment 1 of the present invention;

fig. 3 is a schematic side sectional view of the female and male nuts according to embodiment 1 of the present invention when mounted;

fig. 4 is a first perspective view of embodiment 2 of the present invention;

fig. 5 is a second perspective view of embodiment 2 of the present invention;

fig. 6 is a schematic side sectional view of a female and male nut according to embodiment 2 of the present invention.

In the figure: 1. a top step; 2. grooving; 3. a bottom step; 4. a threaded hole; 5. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a concave-convex nut, includes

top step

1, 1 surfaces of top step are equipped with notch 2, the lower extreme middle part of top step 1 is equipped with bottom step 3, middle part between top step 1 and the bottom step 3 is equipped with screw hole 4.

The top step 1 and the bottom step 3 are integrally formed. The grooving openings 2 are provided with one group.

The external diameter of bottom step 3 is 5mm, and the thickness of bottom step 3 is 1.2mm, and the external diameter of top step 1 is 10mm, and the thickness of top step 1 is 2.3mm, 0.3mm of the thickness of fluting 2.

Example 2: referring to fig. 4-6, the present invention provides a technical solution: the utility model provides a concave-convex nut, includes

top step

The top step 1 and the bottom step 3 are integrally formed. The notching openings 2 are provided with two groups, and the two groups of notching openings 2 are arranged in a vertically and horizontally staggered manner.

The external diameter of bottom step 3 is 5mm, and the thickness of bottom step 3 is 1.2mm, and the external diameter of top step 1 is 10mm, and the thickness of top step 1 is 4mm, 0.5mm of the thickness of notch 2.

Specifically, in use, a step (i.e. the bottom step 3) is provided at the lower side, and can be fitted into the mounting hole 5 to prevent displacement of the female and male nuts. The big step (namely, the top step 1) on the upper surface is provided with a notch 2, after pressing, a threaded part (namely, the thread of a threaded hole 4) generates a deformation space, when the big step is matched and fastened with a nut or other external nuts, the threaded part generates pressure to achieve the purpose of preventing looseness, and a single groove (namely, the notch 2 is provided with a group) is suitable for a narrow part of an installation space. The double grooves (namely two groups of the notch 2) are suitable for the parts with larger installation space, and the locking effect is better.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concave-convex nut, includes top step (1), its characterized in that: the surface of the top step (1) is provided with a grooving opening (2), the middle part of the lower end of the top step (1) is provided with a bottom step (3), and the middle part between the top step (1) and the bottom step (3) is provided with a threaded hole (4).

2. A concavo-convex nut as set forth in claim 1, wherein: the top step (1) and the bottom step (3) are integrally formed.

3. A concavo-convex nut as set forth in claim 1, wherein: the grooving openings (2) are provided with a group.

4. A concavo-convex nut as set forth in claim 1, wherein: the two groups of the grooving openings (2) are arranged, and the two groups of the grooving openings (2) are arranged in a vertically staggered mode.