CN215634307U

CN215634307U - Main shaft nut with good locking effect

Info

Publication number: CN215634307U
Application number: CN202122294811.5U
Authority: CN
Inventors: 李鸿桃; 林峰
Original assignee: Guangzhou Huayang Machinery Technology Co ltd
Current assignee: Guangzhou Huayang Machinery Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-25
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a spindle nut with a good locking effect, which comprises a nut main body, wherein first threaded holes are formed in the middle ends of the left side and the right side of the nut main body, a through hole is formed in one side of an inner cavity of each first threaded hole, a positioning locking block is arranged on the inner side of each through hole, a first adjusting jackscrew is in threaded connection with the inner surface of each first threaded hole, annular positioning grooves are formed in the front end and the rear end of the inner side of the nut main body, positioning locking rings are arranged on the inner sides of the annular positioning grooves, and second threaded holes are formed in the upper ends and the lower ends of the front side and the rear side of the nut main body. The nut solves the problems that the locking effect of the existing nut is poor, the nut is easy to loosen after being used for a long time under the influence of factors such as vibration and the like, and the safety of the existing nut is further reduced through the action of the first threaded hole, the first adjusting jackscrew, the through hole, the positioning locking block, the second threaded hole, the second adjusting jackscrew, the positioning locking ring and the annular positioning groove.

Description

Main shaft nut with good locking effect

Technical Field

The utility model relates to the technical field of spindle nuts, in particular to a spindle nut with a good locking effect.

Background

The nut is a nut and is screwed together with a bolt or a screw rod to play a role in fastening, an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metal and other types according to different materials, and the spindle nut is a locking piece which is applied to a spindle and matched with the spindle and mainly has a hexagonal specification and a cylindrical specification.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spindle nut with a good locking effect, has the advantage of good locking effect, and solves the problems that the existing nut is poor in locking effect and easy to loosen after being used for a long time under the influence of factors such as vibration and the like, so that the safety of the existing nut is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a possess effectual spindle nut of locking, includes the nut main part, first screw hole has all been seted up to the middle-end of the nut main part left and right sides, the through-hole has been seted up to one side of first screw hole inner chamber, the inboard of through-hole is provided with the location latch segment, the internal surface threaded connection of first screw hole has first regulation jackscrew, annular positioning groove has all been seted up at both ends around the nut main part inboard, annular positioning groove's inboard is provided with the location locking ring, the second screw hole has all been seted up at the upper and lower both ends of both sides around the nut main part, the internal surface threaded connection of second screw hole has the second to adjust the jackscrew.

Preferably, the outer surface of the nut main body is provided with dismounting clamping grooves, and the included angle between every two adjacent dismounting clamping grooves is equal.

Preferably, be interference fit between location latch segment and the through-hole, and the one end of location latch segment is provided with screw thread connecting portion, and simultaneously, the size and the direction of screw thread in screw thread connecting portion and the nut main part are unanimous.

Preferably, clearance fit is adopted between the positioning locking ring and the annular positioning groove, and the size and the direction of the inner side thread of the positioning locking ring are consistent with those of the inner side thread of the nut main body.

Preferably, the top and the bottom of the inner cavity of the annular positioning groove are both provided with a guide sliding groove, the top and the bottom of the positioning locking ring are both fixedly connected with a guide sliding block, and the guide sliding block slides on the inner surface of the guide sliding groove.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model ensures that the nut main body is connected with the main shaft through the threads by matching the dismounting clamping groove, the first adjusting jackscrew can be rotated in the first threaded hole through the hexagonal wrench, thereby pushing the positioning locking block in the through hole to move, so that the thread connecting part of the positioning locking block is meshed and pressed with the threads of the main shaft, the resistance of loosening the nut main body is increased, and then, the second adjusting jackscrew is rotated in the second threaded hole, and the positioning locking ring is further pushed in the annular positioning groove to be close to the middle end inside the nut body, thereby the inner thread of the positioning locking ring and the main shaft thread can be engaged and pressed tightly, the resistance of the nut body loosening is further increased, the poor locking effect of the existing nut is solved through the matching effect of the above structures, under the influence of factors such as vibration, the rubber belt is easy to loosen after being used for a long time, and the safety of the rubber belt is further reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention in a front view;

FIG. 3 is a schematic cross-sectional view of the present invention in a right-side view;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention.

In the figure: 1. a nut body; 2. a first adjusting jackscrew; 3. a first threaded hole; 4. a second adjusting jackscrew; 5. disassembling and assembling the clamping groove; 6. a through hole; 7. positioning a locking block; 8. positioning a locking ring; 9. a second threaded hole; 10. a guide slider; 11. an annular positioning groove; 12. a guide chute.

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.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The nut main body 1, the first adjusting jackscrew 2, the first threaded hole 3, the second adjusting jackscrew 4, the dismounting clamping groove 5, the through hole 6, the positioning locking block 7, the positioning locking ring 8, the second threaded hole 9, the guide slide block 10, the annular positioning groove 11 and the guide sliding groove 12 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the nut can be known by technicians in the field through technical manuals or conventional experimental methods.

Referring to fig. 1-4, a spindle nut with a good locking effect includes a nut body 1, a dismounting groove 5 is formed on an outer surface of the nut body 1, an included angle between two adjacent dismounting grooves 5 is equal, a first screw hole 3 is formed at a middle end of each of left and right sides of the nut body 1, a through hole 6 is formed at one side of an inner cavity of the first screw hole 3, a positioning locking block 7 is disposed at an inner side of the through hole 6, the positioning locking block 7 and the through hole 6 are in interference fit, a screw tooth connecting portion is disposed at one end of the positioning locking block 7, dimensions and directions of the screw tooth connecting portion and a screw tooth in the nut body 1 are consistent, a first adjusting jackscrew 2 is threadedly connected to an inner surface of the first screw hole 3, annular positioning grooves 11 are formed at front and rear ends of an inner side of the nut body 1, a positioning locking ring 8 is disposed at an inner side of the annular positioning groove 11, and the positioning locking ring 8 and the annular positioning groove 11 are in clearance fit, the sizes and directions of the inner threads of the positioning locking ring 8 and the inner threads of the nut main body 1 are consistent, the top and the bottom of the inner cavity of the annular positioning groove 11 are both provided with a guide chute 12, the top and the bottom of the positioning locking ring 8 are both fixedly connected with a guide slider 10, the guide slider 10 slides on the inner surface of the guide chute 12, the upper and the lower ends of the front side and the rear side of the nut main body 1 are both provided with a second threaded hole 9, the inner surface of the second threaded hole 9 is in threaded connection with a second adjusting jackscrew 4, after the nut main body 1 is in threaded connection with the main shaft through the matching of the dismounting clamping groove 5, the first adjusting jackscrew 2 can be rotated in the first threaded hole 3 through a hexagonal wrench, and then the positioning locking block 7 in the through hole 6 can be pushed to move, so that the thread connecting part of the positioning locking block 7 is meshed and pressed with the threads of the main shaft, and further the loosening resistance of the nut main body 1 is increased, next, the second adjusting jackscrew 4 is rotated in the second threaded hole 9, and the positioning locking ring 8 is pushed in the annular positioning groove 11 to be close to the inner side of the nut body 1 toward the middle end, so that the inner threads of the positioning locking ring 8 can be engaged and pressed with the spindle threads, and the resistance to loosening of the nut body 1 is further increased.

When in use, after the nut main body 1 is in threaded connection with a main shaft through the matching of the dismounting clamping groove 5, the first adjusting jackscrew 2 can be rotated in the first threaded hole 3 through a hexagonal wrench, and then the positioning locking block 7 in the through hole 6 can be pushed to move, so that the thread connecting part of the positioning locking block 7 is meshed and pressed with the main shaft thread, and further the loosening resistance of the nut main body 1 is increased, then the second adjusting jackscrew 4 is rotated in the second threaded hole 9, and further the positioning locking ring 8 is pushed in the annular positioning groove 11 to be close to the inner side middle end of the nut main body 1, and further the inner side thread of the positioning locking ring 8 is meshed and pressed with the main shaft thread, so that the loosening resistance of the nut main body 1 is further increased, and through the matching effect of the structures, the problem that the locking effect of the existing nut is poor is solved, under the influence of factors such as vibration, easy to loosen after long-time use, thereby reducing the safety problem.

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 possess effectual spindle nut of locking, includes nut main part (1), its characterized in that: first screw hole (3) have all been seted up to the middle-end of nut main part (1) left and right sides, through-hole (6) have been seted up to one side of first screw hole (3) inner chamber, the inboard of through-hole (6) is provided with location latch segment (7), the internal surface threaded connection of first screw hole (3) has first regulation jackscrew (2), annular positioning groove (11) have all been seted up at both ends around nut main part (1) inboard, the inboard of annular positioning groove (11) is provided with location locking ring (8), second screw hole (9) have all been seted up at the upper and lower both ends of both sides around nut main part (1), the internal surface threaded connection of second screw hole (9) has second regulation jackscrew (4).

2. The spindle nut with good locking effect as claimed in claim 1, wherein: the outer surface of the nut body (1) is provided with dismounting clamping grooves (5), and the included angle between every two adjacent dismounting clamping grooves (5) is equal.

3. The spindle nut with good locking effect as claimed in claim 1, wherein: be interference fit between location latch segment (7) and through-hole (6), and the one end of location latch segment (7) is provided with screw tooth connecting portion, and simultaneously, the size and the direction of screw tooth are unanimous in screw tooth connecting portion and nut main part (1).

4. The spindle nut with good locking effect as claimed in claim 1, wherein: the positioning locking ring (8) and the annular positioning groove (11) are in clearance fit, and the size and the direction of the inner side thread of the positioning locking ring (8) and the inner thread of the nut body (1) are consistent.

5. The spindle nut with good locking effect as claimed in claim 1, wherein: the top and the bottom of the inner cavity of the annular positioning groove (11) are both provided with a guide sliding groove (12), the top and the bottom of the positioning locking ring (8) are both fixedly connected with a guide sliding block (10), and the guide sliding block (10) slides on the inner surface of the guide sliding groove (12).