CN213360776U

CN213360776U - Screw holding nut

Info

Publication number: CN213360776U
Application number: CN202022275545.7U
Authority: CN
Inventors: 刘克良
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-06-04
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a screw holding nut, which comprises a nut body, wherein a nut inner hole is arranged in the nut body, an extrusion belt and a guide belt are integrally arranged at one end of the nut body, and a self-locking conical surface is arranged between the extrusion belt and the guide belt; the nut body is located the leading tape end and is provided with a lock pad, be provided with a lock pad hole in the lock pad, the lock pad hole is close to leading tape end and is provided with embraces the silk inclined plane, it is 30-60 degrees to embrace the inclination on silk inclined plane. According to the technical scheme, the nut body and the lock pad do not need to be riveted together, and the nut body and the lock pad can be manufactured separately and matched for use during installation; the inner wall surface of the nut inner hole of the nut body forms an interference area and a locking area after plastic deformation, and after the nut body is installed, the locking direction is in 60-degree locking from outside to inside, so that the locking effect is good; the structure design is reasonable, the structure is simple, the manufacture is convenient, the use is convenient, the fixation is reliable, and the practicability is good.

Description

Screw holding nut

Technical Field

The utility model relates to a nut technical field, concretely relates to embrace silk nut.

Background

The existing self-locking anti-drop nut mainly has the following two problems in the production process:

(1) the manufacturing cost is high: the nut and the gasket need to be riveted, so the height of the nut and the lock washer is much higher than that of the conventional nut, the needed material is much, the processing difficulty is high, and the manufacturing cost is high.

(2) The structure is complicated: because nut one end is equipped with from the locked groove, so the nut can expand in the riveting, and the riveting dies, partial lock pad can not freely be transported, uses inconveniently, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a silk nut is embraced that structural design is reasonable, simple structure, manufacturing convenience, convenient to use, fixed reliable and practicality are good.

In order to achieve the above purpose, the utility model provides a following technical scheme: a screw holding nut comprises a nut body, wherein a nut inner hole is formed in the nut body, an extrusion belt and a guide belt are integrally arranged at one end of the nut body, and a self-locking conical surface is arranged between the extrusion belt and the guide belt; the nut body is located the leading tape end and is provided with a lock pad, be provided with a lock pad hole in the lock pad, the lock pad hole is close to leading tape end and is provided with embraces the silk inclined plane, it is 30-60 degrees to embrace the inclination on silk inclined plane.

The utility model discloses further set up to: a reducing belt is arranged in the inner hole of the lock pad, and one end of the reducing belt is connected with the wire holding inclined plane.

The utility model discloses still further set up to: when the lock pad is locked by the self-locking conical surface and the extrusion belt of the nut body, the inner wall surface of the nut inner hole of the nut body is subjected to plastic deformation to form an interference area and a locking area.

The utility model discloses still further set up to: the guide belt is positioned at the right end of the extrusion belt, the self-locking conical surface inclines towards the axial center line of the nut body from left to right, and the taper of the self-locking conical surface is 20-30 degrees.

The utility model discloses still further set up to: the wire holding inclined plane is arranged at the left end of the inner hole of the lock pad, and the wire holding inclined plane inclines 30-60 degrees from left to right towards the axial center line of the nut body.

The utility model discloses still further set up to: the nut body is provided with a self-locking groove in the axial direction of the end of the guide belt.

The utility model has the advantages that: compared with the prior art, the structure of the utility model is more reasonable, the nut body and the lock pad do not need to be riveted together, the nut body and the lock pad can be manufactured separately, and the nut body and the lock pad are matched for use during installation, so that the manufacture is convenient, the manufacture efficiency can be effectively improved, and the manufacture cost is reduced; when the lock pad is locked by the self-locking conical surface and the extrusion belt of the nut body, the inner wall surface of the nut inner hole of the nut body is plastically deformed to form an interference area and a locking area, and after the lock pad is installed, the locking direction is in a 60-degree locking state from outside to inside, so that the locking effect is good; the structure design is reasonable, the structure is simple, the manufacture is convenient, the use is convenient, the fixation is reliable, and the practicability is good.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of a nut body according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a lock pad according to an embodiment of the present invention;

FIG. 4 is a schematic view of the lock pad of the present invention after being fixed;

FIG. 5 is an enlarged schematic view of a portion I according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second embodiment of the present invention;

fig. 7 is a schematic structural view of a second nut body according to an embodiment of the present invention;

fig. 8 is an assembly diagram of the second lock pad of the present invention after being fixed.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example one

Referring to fig. 1 to 5, the utility model discloses a screw holding nut, which comprises a nut body 1, wherein a nut inner hole 11 is arranged in the nut body 1, an extrusion belt 12 and a guide belt 13 are integrally arranged at one end of the nut body 1, and a self-locking conical surface 14 is arranged between the extrusion belt 12 and the guide belt 13; nut body 1 is located the leading tape end and is provided with a lock pad 2, be provided with a lock pad hole 21 in the lock pad 2, lock pad hole 21 is close to leading tape end and is provided with and embraces a silk inclined plane 211, the inclination of embracing silk inclined plane 211 is 30-60 degrees.

Preferably, a reducing belt 212 is arranged in the inner hole 21 of the lock pad, and one end of the reducing belt 212 is connected with the holding wire inclined plane 211.

When the lock washer 2 is locked by the self-locking conical surface 14 and the extrusion belt 12 of the nut body 1, the inner wall surface of the nut inner hole 11 of the nut body 1 is plastically deformed to form an interference area 111 and a locking area 112.

The guide belt 13 is positioned at the right end of the extrusion belt 12, the self-locking conical surface 14 inclines towards the axial center line of the nut body 1 from left to right, and the taper of the self-locking conical surface 14 is 20-30 degrees.

The wire holding inclined plane 211 is arranged at the left end of the inner hole 21 of the lock pad, and the wire holding inclined plane 211 inclines 30-60 degrees from left to right towards the axial center line of the nut body 1.

In practical application, the nut body and the lock pad do not need to be riveted together, the nut body and the lock pad can be manufactured independently and are matched for use during installation, the manufacturing is convenient, the manufacturing efficiency can be effectively improved, and the manufacturing cost is reduced; when the lock pad is locked by the self-locking conical surface and the extrusion belt of the nut body, the inner wall surface of the nut inner hole of the nut body is plastically deformed to form an interference area and a locking area, and after the lock pad is installed, the locking direction is in a 60-degree locking state from outside to inside, so that the locking effect is good; the structure design is reasonable, the structure is simple, the manufacture is convenient, the use is convenient, the fixation is reliable, and the practicability is good.

Example two

Referring to fig. 6 to 8, the second embodiment is a structural improvement performed on the basis of the first embodiment:

in order to facilitate the installation of the high-strength nut, the nut body 1 is provided with a self-locking groove 15 axially at the end of the guide belt in the embodiment.

The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims

1. The utility model provides a embrace silk nut, includes nut body (1), be provided with nut hole (11), its characterized in that in nut body (1): an extrusion belt (12) and a guide belt (13) are integrally arranged at one end of the nut body (1), and a self-locking conical surface (14) is arranged between the extrusion belt (12) and the guide belt (13); nut body (1) are located the leading tape end and are provided with one lock pad (2), be provided with one lock pad hole (21) in lock pad (2), lock pad hole (21) are close to leading tape end and are provided with and embrace silk inclined plane (211), the inclination of embracing silk inclined plane (211) is 30-60 degrees.

2. The wire holding nut as claimed in claim 1, wherein: a reducing belt (212) is arranged in the inner hole (21) of the lock pad, and one end of the reducing belt (212) is connected with the wire holding inclined plane (211).

3. The wire holding nut as claimed in claim 2, wherein: when the lock pad (2) is locked by the self-locking conical surface (14) and the extrusion belt (12) of the nut body (1), the inner wall surface of the nut inner hole (11) of the nut body (1) is subjected to plastic deformation to form an interference area (111) and a locking area (112).

4. The wire holding nut as claimed in claim 3, wherein: the guide belt (13) is positioned at the right end of the extrusion belt (12), the self-locking conical surface (14) inclines towards the axial center line of the nut body (1) from left to right, and the taper of the self-locking conical surface (14) is 20-30 degrees.

5. The wire holding nut as claimed in claim 4, wherein: the wire holding inclined plane (211) is arranged at the left end of the inner hole (21) of the lock pad, and the wire holding inclined plane (211) inclines 30-60 degrees from left to right towards the axial center line of the nut body (1).

6. The wire holding nut as claimed in claim 5, wherein: the nut body (1) is provided with a self-locking groove (15) in the axial direction of the end of the guide belt.