CN216691804U

CN216691804U - High-vibration-resistance anti-loosening nylon self-locking nut for mining machinery

Info

Publication number: CN216691804U
Application number: CN202123326032.5U
Authority: CN
Inventors: 朱剑
Original assignee: Jingjiang Shenlong Fastener Manufacturing Co ltd
Current assignee: Jingjiang Shenlong Fastener Manufacturing Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-07
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a high-vibration-resistance anti-loosening nylon self-locking nut for mining machinery, and relates to the technical field of self-locking nuts. When the anti-slip nut is used, the nuts are prevented from being separated from the bolts through clamping between the two nuts and the bolts, meanwhile, the locking of the nuts is reinforced through the matching of the internal opposite threads between the two nuts, and meanwhile, the locking effect between the two nuts is better under the action of the anti-slip threads.

Description

High-vibration-resistance anti-loosening nylon self-locking nut for mining machinery

Technical Field

The utility model relates to the technical field of self-locking nuts, in particular to a high-vibration-resistance anti-loose nylon self-locking nut for mining machinery.

Background

The self-locking nut is a nut capable of self-locking by friction force, and general nut can be automatically loosened due to vibration and other reasons in the using process, so that in order to prevent said phenomenon, the self-locking nut is invented, its function is mainly anti-loosening and anti-vibration, and when it is used in special occasion, its working principle is self-locking by friction force, and according to the functional classification of self-locking nut, said self-locking nut has the devices of nylon ring, neck closing-in and metal-added, and all of them are effective rectangular anti-loosening nuts.

When the existing nut is used, the bolt is mostly locked through the anti-skidding threads or the rubber gasket arranged inside, but when the nut is used, the whole device is vibrated too much, the anti-skidding threads rub against each other easily under violent vibration, looseness is still easily caused, meanwhile, the rubber gasket is also easily abraded in the long-time use process, and looseness appears in the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-vibration-resistance anti-loosening nylon self-locking nut for mining machinery, which aims to solve the problems that most of the existing nuts proposed in the background art lock bolts through anti-skidding threads or rubber gaskets arranged inside the anti-skidding threads when in use, but when in use, the whole device vibrates excessively, the anti-skidding threads are easy to rub against each other under severe vibration and are still easy to loosen, and the rubber gaskets are easy to wear and loosen during long-time use, so that the problem of loosening of the device is solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a high vibration-resistant anti-loose nylon self-locking nut for mining machinery comprises a clamping barrel, a lower nut is arranged inside the clamping barrel, first recess has all been seted up around the lower nut, and is a plurality of the top of first recess inner wall all rotates through first bearing and is connected with first dog, and is a plurality of the equal fixedly connected with support frame in relative side surface of first dog, it is a plurality of the relative one side of support frame inner wall rotates through the second bearing jointly and is connected with the fixture block, and is a plurality of the cavity has all been seted up to relative one side of first recess inner wall, and is a plurality of the relative side surface of fixture block all runs through relative one side of first recess inner wall to the inside of cavity, and is a plurality of the common fixedly connected with baffle in upper and lower both sides surface of fixture block, it is a plurality of the common fixedly connected with first spring in relative one side surface of baffle and relative one side of cavity inner wall, it is a plurality of the relative side surface of fixture block all runs through relative one side of cavity inner wall to the inside of lower nut.

Preferably, the four sides of the inner wall of the clamping barrel are provided with second grooves, the lower parts of the inner walls of the second grooves are rotatably connected with second stop blocks through third bearings, and the surfaces of the opposite sides of the second stop blocks and the opposite sides of the inner walls of the second grooves are fixedly connected with second springs together.

Preferably, the upper surface of the clamping barrel is fixedly connected with an upper nut.

Preferably, the inner wall of the lower nut is provided with a first thread groove, and the inner wall of the upper nut is provided with a second thread groove opposite to the first thread groove.

Preferably, the upper side of the inner wall of the clamping barrel is provided with first anti-slip threads, and the upper side surface of the lower nut is provided with second anti-slip threads matched with the first anti-slip threads.

Preferably, the inner wall of the first thread groove and the inner wall of the second thread groove are in threaded connection with a bolt together, and clamping grooves matched with the clamping blocks are formed in the periphery of the bolt.

The utility model has the technical effects and advantages that:

1. through setting up card bucket, lower nut, first recess, first dog, support frame, fixture block, cavity, baffle, first spring, when using, through the chucking between two nuts and the bolt, avoid the nut to break away from the bolt, the inside opposite screw thread's between two nuts cooperation has simultaneously consolidated the locking of nut, is simultaneously under the effect of anti-skidding line for the effect of locking is better between two nuts.

2. Through setting up the card bucket, the second recess, the second dog, the second spring, make the inside fixture block of lower nut block the draw-in groove on the bolt under the promotion of second dog, avoid the nut to break away from the bolt, it is not hard up to lead to the device, through setting up the card bucket, the lower nut, the upper nut, first thread groove, the second thread groove, first anti-skidding line, second anti-skidding line, through opposite thread groove when using, prevent the not hard up of one of them nut, make another nut not hard up, locking through anti-skidding line, make the nut root bone more when using.

3. Through setting up fixture block, first thread groove, second thread groove, bolt, draw-in groove, conveniently carry out the chucking to the bolt, avoid the nut to break away from the bolt, lead to the device of fastening not hard up.

Drawings

Fig. 1 is a schematic overall perspective structure of the present invention.

FIG. 2 is a schematic view of the front plane structure of the card barrel of the present invention.

Fig. 3 is a schematic view of the front plane structure of the lower nut of the present invention.

Fig. 4 is a schematic view of the front plane structure of the upper nut of the present invention.

FIG. 5 is a schematic view of the bottom planing surface of the clamping barrel according to the present invention.

Fig. 6 is a schematic top view of the lower nut of the present invention.

In the figure: 1. clamping a barrel; 2. a lower nut; 3. a first groove; 4. a first stopper; 5. a support frame; 6. a clamping block; 7. a cavity; 8. a baffle plate; 9. a first spring; 10. a second groove; 11. a second stopper; 12. a second spring; 13. screwing a nut; 14. a first thread groove; 15. a second thread groove; 16. a first anti-skid pattern; 17. a second anti-skid pattern; 18. a bolt; 19. a clamping groove.

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.

The utility model provides a high-vibration-resistance anti-loosening nylon self-locking nut for mining machinery, which is shown in figures 1-6 and comprises a clamping barrel 1, wherein a lower nut 2 is arranged in the clamping barrel 1, first grooves 3 are formed in the periphery of the lower nut 2, first stop blocks 4 are rotatably connected above the inner walls of the first grooves 3 through first bearings, support frames 5 are fixedly connected to the surfaces of the opposite sides of the first stop blocks 4, clamping blocks 6 are rotatably connected to the opposite sides of the inner walls of the support frames 5 through second bearings, cavities 7 are formed in the opposite sides of the inner walls of the first grooves 3, the surfaces of the opposite sides of the clamping blocks 6 penetrate through the opposite sides of the inner walls of the first grooves 3 to the inside of the cavities 7, baffle plates 8 are fixedly connected to the surfaces of the upper and lower sides of the clamping blocks 6, first springs 9 are fixedly connected to the surfaces of the opposite sides of the baffle plates 8 and the opposite sides of the inner walls of the cavities 7, the relative side surface of a plurality of fixture blocks 6 all runs through relative one side to the inside of lower nut 2 of cavity 7 inner wall, when using, through the chucking between two nuts and the bolt 18, avoids the nut to break away from bolt 18, and the locking of nut has been consolidated to the cooperation of the opposite screw thread in inside between two nuts simultaneously, simultaneously under the effect of antiskid line for the effect of locking is better between two nuts.

As shown in fig. 4, the second grooves 10 have been all seted up on four sides of the inner wall of the card bucket 1, the below of the inner wall of the second grooves 10 is all rotationally connected with the second stopper 11 through the third bearing, the common fixedly connected with second spring 12 in the opposite side surface of the second stopper 11 and the opposite side of the inner wall of the second grooves 10, make the inside fixture block 6 of lower nut 2 block the slot 19 on the bolt 18 under the promotion of the second stopper 11, avoid the nut to break away from the bolt 18, lead to the device not hard up.

As shown in fig. 3, 4, 5 and 6, the upper surface of the card barrel 1 is fixedly connected with an upper nut 13, the inner wall of the lower nut 2 is provided with a first thread groove 14, the inner wall of the upper nut 13 is provided with a second thread groove 15 opposite to the first thread groove 14, the upper side of the inner wall of the card barrel 1 is provided with a first anti-slip pattern 16, the upper surface of the lower nut 2 is provided with a second anti-slip pattern 17 matched with the first anti-slip pattern 16, when in use, through the opposite thread grooves, the loosening of one nut is prevented, so that the other nut is loosened, and through the locking of the anti-slip patterns, the nuts are more radical when in use.

As shown in fig. 1, the inner wall of the first thread groove 14 and the inner wall of the second thread groove 15 are jointly in threaded connection with a bolt 18, and clamping grooves 19 matched with the clamping blocks 6 are formed in the periphery of the bolt 18, so that the bolt 18 is conveniently clamped, and the phenomenon that a nut is separated from the bolt 18 to cause looseness of a fastened device is avoided.

The working principle of the utility model is as follows: when the device is used, the bolt 18 is placed at a position to be installed and fixed, the lower nut 2 is locked with the bolt 18 through the first thread groove 14 inside, then the clamping barrel 1 and the upper nut 13 are tightly clamped with the thread connection of the bolt 18 through the second thread groove 15 until the first anti-skid threads 16 in the clamping barrel 1 are locked with the second anti-skid threads 17 on the lower nut 2, in the process of rotating the card barrel 1, the second stop dog 11 on the card barrel 1 pushes the first stop dog 4 on the lower nut 2 into the first groove 3 under the action of the second spring 12 in the second groove 10, the elasticity of the second spring 12 is larger than that of the first spring 9, the clamping block 6 is pushed by the first stop block 4, the support frame 5 and the first stop block 4 rotate, the clamping block 6 is pushed into the clamping groove 19 on the bolt 18, clamping is carried out, and meanwhile, the baffle 8 on the clamping block 6 in the cavity 7 extrudes the first spring 9;

when the card barrel 1 and the upper nut 13 need to be disassembled, the card barrel and the upper nut are taken out through rotation between the second thread groove 15 and the bolt 18, meanwhile, the first stop block 4 is extruded by the second stop block 11, the clamping block 6 moves to the lower nut 2 from the clamping groove 19 under the rebounding of the first spring 9, the first stop block 4 is pushed out from the first groove 3, the first thread groove 14 on the lower nut 2 is loosened from the bolt 18, and the bolt 18 is taken out from the mounting piece.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a mining machinery is with locking nylon self-locking nut of high anti vibration, includes card bucket (1), its characterized in that: the inside of card bucket (1) is provided with lower nut (2), first recess (3) have all been seted up all around of lower nut (2), and is a plurality of the top of first recess (3) inner wall all rotates through first bearing and is connected with first dog (4), and is a plurality of equal fixedly connected with support frame (5) in relative side surface of first dog (4), it is a plurality of relative one side of support frame (5) inner wall rotates through the second bearing jointly and is connected with fixture block (6), and is a plurality of cavity (7) have all been seted up to relative one side of first recess (3) inner wall, and is a plurality of relative one side surface of fixture block (6) all runs through relative one side of first recess (3) inner wall to the inside of cavity (7), and is a plurality of the common fixedly connected with baffle (8) in upper and lower both sides surface of fixture block (6), and is a plurality of the common fixedly connected with first spring (9) in relative one side surface of baffle (8) and cavity (7) inner wall And the surfaces of the opposite sides of the clamping blocks (6) penetrate through the opposite sides of the inner wall of the cavity (7) to the inside of the lower nut (2).

2. The high vibration-resistant anti-loose nylon self-locking nut for the mining machine as claimed in claim 1, wherein: second grooves (10) are formed in four sides of the inner wall of the clamping barrel (1), a plurality of second stop blocks (11) are rotatably connected below the inner wall of each second groove (10) through third bearings, and second springs (12) are fixedly connected to the surfaces of the opposite sides of the plurality of second stop blocks (11) and the opposite sides of the inner wall of each second groove (10) together.

3. The high vibration-resistant anti-loose nylon self-locking nut for the mining machine as claimed in claim 1, wherein: the upper side surface of the clamping barrel (1) is fixedly connected with an upper nut (13).

4. The high vibration resistance anti-loose nylon self-locking nut for the mining machine as claimed in claim 3, wherein: the inner wall of the lower nut (2) is provided with a first thread groove (14), and the inner wall of the upper nut (13) is provided with a second thread groove (15) opposite to the first thread groove (14).

5. The high vibration-resistant anti-loose nylon self-locking nut for the mining machine as claimed in claim 1, wherein: first anti-skidding line (16) have been seted up to the upside of card bucket (1) inner wall, the upside surface of lower nut (2) is seted up with first anti-skidding line (16) assorted second anti-skidding line (17).

6. The high vibration-resistant anti-loose nylon self-locking nut for the mining machine as claimed in claim 4, wherein: the inner wall of the first thread groove (14) and the inner wall of the second thread groove (15) are in threaded connection with a bolt (18) together, and clamping grooves (19) matched with the clamping blocks (6) are formed in the periphery of the bolt (18).