CN220980087U

CN220980087U - Novel locknut

Info

Publication number: CN220980087U
Application number: CN202420821483.0U
Authority: CN
Inventors: 管佳夫; 章国仕; 刘云兴; 刘家梅; 李超
Original assignee: Fuan Aozhan Industrial Co ltd
Current assignee: Fuan Aozhan Industrial Co ltd
Priority date: 2024-04-19
Filing date: 2024-04-19
Publication date: 2024-05-17
Anticipated expiration: 2034-04-19

Abstract

The utility model relates to the technical field of nuts, and discloses a novel locknut, which solves the problem that the existing nut is easy to loosen due to vibration or long service time, and comprises a main nut, wherein a locking mechanism is arranged on the main nut; according to the utility model, the bottom sleeve is conveniently screwed into the mounting groove through the matching between the internal thread II and the external thread, so that the locking nut can be screwed on the outer side of the screw rod and limit the main nut, the extrusion ring drives the inner ring to descend, and the guide block is conveniently slid along the guide rod through the matching between the vertical rod and the vertical frame and between the side block and the movable rod, and then the two clamping plates are mutually close to each other to clamp the screw rod, so that the main nut is prevented from loosening.

Description

Novel locknut

Technical Field

The utility model belongs to the technical field of nuts, and particularly relates to a novel locknut.

Background

The nut is a part which is screwed together with a bolt or a screw rod to play a role in fastening, and all components which are necessary for manufacturing machinery are divided into a plurality of large types such as carbon steel, stainless steel, nonferrous metal and the like according to different materials, and the nut is a part which tightly connects mechanical equipment, and the nut and the bolt with the same specification can be connected together through the inner threads.

When the existing nut is used, the anti-loosening measure is single, and the conditions of loosening and the like due to vibration or long service time are easy to occur, so that the use effect of the nut is reduced.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the novel locknut, which effectively solves the problem that the existing nut is easy to loosen due to vibration or longer service time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel locknut comprises a main nut, wherein a locking mechanism is arranged on the main nut, an inner thread III is arranged on the inner wall of the main nut, and a mounting groove is formed in the top of the main nut;

The locking mechanism comprises an inner ring positioned in a mounting groove, two vertical rods are symmetrically and fixedly arranged at the bottom of the inner ring, two guide rods are symmetrically and fixedly arranged in the mounting groove, sleeve blocks are fixedly sleeved on the outer sides of the two guide rods, vertical frames are fixedly and fixedly arranged at the tops of the two sleeve blocks, the two vertical rods are movably sleeved in the two vertical frames respectively, guide blocks are movably sleeved on the outer sides of the two guide rods, the two guide blocks are positioned between the two sleeve blocks, clamping plates are fixedly arranged on one sides of the two guide blocks, two through holes are symmetrically arranged on the inner side of a main nut, the two through holes are communicated with the mounting groove, the two clamping plates respectively penetrate through the two through holes, side grooves are respectively arranged on one sides of the two vertical frames, side blocks are respectively connected with the side blocks in a sliding mode, one sides of the two side blocks are respectively connected with the movable rods in a rotating mode, a locking nut is arranged right above the main nut, an inner wall of the locking nut is provided with an inner thread, one end of the inner thread is fixedly connected with the inner wall of the inner ring through the two clamping plates, the two clamping plates are fixedly arranged on the bottom of the inner side of the inner ring, the two clamping rings are fixedly connected with the inner side of the inner ring, the two clamping rings are fixedly arranged on the bottom of the inner side of the inner ring, the inner ring is fixedly connected with the inner ring, the inner ring is fixedly sleeved on the inner side of the inner ring is fixedly arranged on the inner side of the inner ring, and the inner ring is fixedly connected with the inner ring, and the inner ring is fixedly sleeved on the inner side of the inner ring, and the inner ring of the inner ring is fixedly and the inner ring.

Preferably, the top of the inner ring is provided with an annular groove, balls are arranged in the annular groove at equal angles, and the bottom of the extrusion ring is attached to each ball.

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

(1) According to the utility model, the bottom sleeve is conveniently screwed into the mounting groove through the matching between the internal thread II and the external thread, so that the lock nut can be screwed on the outer side of the screw rod and limit the main nut, the extrusion ring drives the inner ring to descend, and the guide block is conveniently slid along the guide rod through the matching between the vertical rod and the vertical frame as well as between the side block and the movable rod, and then the two clamping plates are mutually close to each other to clamp the screw rod, so that the looseness of the main nut is avoided;

(2) This is novel through the cooperation between inner ring and ball and the extrusion ring, avoids extrusion ring and inner ring direct contact to be convenient for reduce the extrusion ring rotatory time with the frictional force between the inner ring.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a novel locknut of the present utility model;

FIG. 2 is a schematic view of the main nut structure of the present utility model;

FIG. 3 is a schematic view of a locking mechanism according to the present utility model;

FIG. 4 is a schematic view of the inner ring structure of the present utility model;

FIG. 5 is a schematic view of the structure of the clamping plate of the present utility model;

fig. 6 is a schematic view of the structure of the lock nut of the present utility model.

In the figure: 1. a main nut; 2. a locking mechanism; 201. an inner ring; 202. a lock nut; 203. a clamping plate; 204. a ball; 205. an annular groove; 206. a guide block; 207. a guide rod; 208. sleeving blocks; 209. a vertical frame; 2010. a vertical rod; 2011. a side groove; 2012. a side block; 2013. a movable rod; 2014. an internal thread I; 2015. a bottom sleeve; 2016. an internal thread II; 2017. a pressing ring; 2018. a connecting column; 3. a mounting groove; 4. an internal thread III; 5. a through hole; 6. and (5) external threads.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the first embodiment, as shown in fig. 1-2, the utility model comprises a main nut 1, a locking mechanism 2 is arranged on the main nut 1, an inner wall of the main nut 1 is provided with an inner thread three 4, and the top of the main nut 1 is provided with a mounting groove 3.

Specifically, as shown in fig. 2-6, the locking mechanism 2 comprises an inner ring 201 positioned in a mounting groove 3, two vertical rods 2010 are symmetrically and fixedly arranged at the bottom of the inner ring 201, two guide rods 207 are symmetrically and fixedly arranged in the mounting groove 3, sleeve blocks 208 are fixedly sleeved on the outer sides of the two guide rods 207, vertical frames 209 are fixedly arranged at the tops of the two sleeve blocks 208, the two vertical rods 2010 are movably sleeved in the two vertical frames 209 respectively, guide blocks 206 are movably sleeved on the outer sides of the two guide rods 207, the two guide blocks 206 are positioned between the two sleeve blocks 208, clamping plates 203 are fixedly arranged on the sides of the two guide blocks 206, two through holes 5 are symmetrically arranged on the inner side of a main nut 1, the two through holes 5 are communicated with the mounting groove 3, the two clamping plates 203 respectively penetrate through the two through holes 5, side grooves 2011 are respectively arranged on the sides of the two vertical frames 209, which are close to each other, the two side blocks 2012 are respectively and slidingly connected with the side blocks 2012 in the two side grooves 2011, the two side blocks 2012 are respectively fixed on the outer sides of the two vertical rods 2010, the movable rods 2013 are respectively and rotationally connected with one sides of the two side blocks 2012, one ends of the two movable rods 2013, which are close to each other, are respectively and rotationally connected with the two guide blocks 206, the lock nut 202 is arranged right above the main nut 1, the inner wall of the lock nut 202 is provided with an internal thread 2014, the specification of the internal thread 2014 is the same as that of the internal thread III 4, the bottom of the lock nut 202 is fixedly provided with a bottom sleeve 2015, the inner wall of the bottom sleeve 2015 is provided with an internal thread II 2016, the inner wall of the mounting groove 3 is provided with an external thread 6, the bottom sleeve 2015 is sheathed on the main nut 1 through the internal thread II 2016 and the external thread 6, the outer side of the bottom sleeve 2015 is fixedly sheathed with an extrusion ring 2017 positioned in the mounting groove 3, the extrusion ring 2017 is positioned above the internal ring 201, a connecting column 2018 is fixedly connected between the extrusion ring 2017 and the lock nut 202 at equal angles;

In the use state, the main nut 1 is firstly screwed on the screw rod, then the lock nut 202 is screwed on the screw rod, under the cooperation between the internal thread two 2016 and the external thread 6, the bottom sleeve 2015 is screwed into the mounting groove 3 to limit the main nut 1, meanwhile, the extrusion ring 2017 moves downwards while rotating and drives the inner ring 201 to move downwards, then the two vertical rods 2010 are driven to move downwards along the two vertical frames 209 respectively, at the moment, the two side blocks 2012 slide in the two side grooves 2011 respectively, the two movable rods 2013 drive the two guide blocks 206 to slide along the two guide rods 207 respectively until the two clamping plates 203 are close to each other to clamp the screw rod, the main nut 1 is limited again, and finally the main nut 1 is prevented from loosening.

Specifically, as shown in fig. 4, an annular groove 205 is formed at the top of the inner ring 201, balls 204 are mounted in the annular groove 205 at equal angles, and the bottom of the extrusion ring 2017 is attached to each ball 204;

In a use state, an annular groove 205 is firstly formed in the top of the inner ring 201, a plurality of balls 204 are installed in the annular groove 205, when the bottom sleeve 2015 is screwed into the installation groove 3, the extrusion ring 2017 is in direct contact with the balls 204, the extrusion ring 2017 is prevented from being in direct contact with the inner ring 201, and finally the friction force between the extrusion ring 2017 and the inner ring 201 when the extrusion ring 2017 continues to rotate is reduced.

Claims

1. The utility model provides a novel locknut, includes main nut (1), its characterized in that: the locking mechanism (2) is arranged on the main nut (1), the inner wall of the main nut (1) is provided with an internal thread III (4), and the top of the main nut (1) is provided with a mounting groove (3);

The locking mechanism (2) comprises an inner ring (201) positioned in a mounting groove (3), two vertical rods (2010) are symmetrically and fixedly arranged at the bottom of the inner ring (201), two guide rods (207) are symmetrically and fixedly arranged in the mounting groove (3), sleeve blocks (208) are fixedly sleeved on the outer sides of the two guide rods (207), vertical frames (209) are fixedly arranged at the tops of the two sleeve blocks (208), the two vertical rods (2010) are movably sleeved in the two vertical frames (209) respectively, guide blocks (206) are movably sleeved on the outer sides of the two guide rods (207), the two guide blocks (206) are positioned between the two sleeve blocks (208), clamping plates (203) are fixedly arranged on one sides, close to each other, of the two guide blocks (206) are symmetrically provided with two through holes (5), the two through holes (5) are communicated with the mounting groove (3), the two clamping plates (203) respectively penetrate through the two through holes (5), side grooves (2011) are respectively arranged on one sides, close to each other, the two side grooves (2012) are respectively movably sleeved on the two side, the two side blocks (2012) are fixedly connected with the two side blocks (2012) which are respectively, the two side blocks (2012) are rotatably connected with one sides, which are respectively close to each other, one end that two movable rods (2013) are close to each other is connected with two guide blocks (206) rotation respectively, be equipped with lock nut (202) directly over main nut (1), the inner wall of lock nut (202) is equipped with internal thread one (2014), the specification of internal thread one (2014) is the same with the specification of internal thread three (4), bottom fixed mounting of lock nut (202) has end cover (2015), the inner wall of end cover (2015) is equipped with internal thread two (2016), the inner wall of mounting groove (3) is equipped with external screw thread (6), end cover (2015) cup joints on main nut (1) through internal thread two (2016) and external screw thread (6) screw thread, the outside fixed cup joint of end cover (2017) has been located extrusion ring (2017) in mounting groove (3), the top of extrusion ring (2017) and equiangular fixedly connected with spliced pole (2018) between extrusion ring (2017) and lock nut (202).

2. A novel locknut as defined in claim 1, wherein: the top of the inner ring (201) is provided with an annular groove (205), balls (204) are arranged in the annular groove (205) at equal angles, and the bottom of the extrusion ring (2017) is attached to each ball (204).