CN215720108U

CN215720108U - Anti-loose nut

Info

Publication number: CN215720108U
Application number: CN202121394563.5U
Authority: CN
Inventors: 刘朋; 闫如涛; 张建
Original assignee: Suzhou Shuangpengsheng Precision Hardware Co ltd
Current assignee: Suzhou Shuangpengsheng Precision Hardware Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-02-01
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a locknut, and relates to the technical field of nuts; comprises a nut ring, wherein the middle part of the top end of the nut ring is provided with a screw hole; the locking assembly is arranged at the bottom of the nut ring and is positioned in a bottom groove on one side of the screw hole, the locking assembly comprises a moving column, a first spring, a screw rod, a spiral ring and a top column, the moving column is slidably connected in the bottom groove and extends out of a notch of the bottom groove, the first spring is provided with a plurality of springs and is uniformly fixed between the inner side of the moving column and the inner side wall of the bottom groove, the screw rod is positioned below the moving column, the spiral ring is provided with a plurality of springs and is sequentially in threaded connection with the outer part of the screw rod from top to bottom, and the top column is provided with a plurality of screws and is fixed on the inner sides of the spiral rings one by one; the side surface of the nut ring is provided with a side groove positioned outside the bottom groove, and the top of the inner side of the side groove is communicated with the top of the bottom groove; the utility model has the beneficial effects that: the assembly is simple, and can effectively prevent the condition that the nut ring drops after the installation through setting up locking Assembly and limit structure, and dismantle portably.

Description

Anti-loose nut

Technical Field

The utility model relates to the technical field of nuts, in particular to a locknut.

Background

The nut is a fastener having a drive system and internal threads designed to engage an externally threaded fastener to secure the fitting.

Under the condition of high-speed operation or strong vibration, an ordinary nut is easy to loosen and seriously falls off, so that the normal use of equipment is influenced, equipment faults are easily caused, great loss is generated, the nut is easy to lose after falling off, and the nut is inconvenient to reassemble.

SUMMERY OF THE UTILITY MODEL

The utility model provides a locknut which is simple to assemble, can effectively prevent a nut ring from falling off after being installed, and is simple and convenient to disassemble, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a locknut, comprising:

the middle part of the top end of the nut ring is provided with a screw hole;

the locking assembly is positioned in the bottom groove and comprises a moving column, a first spring, a screw rod, a spiral ring and a top column, the moving column is slidably connected in the bottom groove and extends out of a notch of the bottom groove, the first spring is provided with a plurality of springs and is uniformly fixed between the inner side of the moving column and the inner side wall of the bottom groove, the screw rod is positioned below the moving column, the spiral ring is provided with a plurality of springs and is sequentially in threaded connection with the outer part of the screw rod from top to bottom, and the top column is provided with a plurality of springs and is fixed on the inner side of the spiral ring one by one;

limiting structure, nut ring side are opened there is the side channel that is located the kerve outside, the inboard top in side channel communicates with each other with the kerve top, limiting structure is located side channel and kerve inside, limiting structure includes slider, L type dog, upstand and spring two, slider sliding connection is inside in the side channel, L type dog is fixed in the inboard top of slider, L type dog extends to the kerve inside and catches on and moves the post upper end, the upstand is located and moves the post top and be fixed in kerve inner wall top, spring cup joint is outside in the upstand.

Furthermore, a thread groove is formed in the bottom of the moving column, the top end of the screw rod extends into the thread groove and is in threaded connection with the thread groove, and the plurality of spiral rings are located below the moving column.

Furthermore, a cross rod which is positioned above the thread groove and the plurality of springs is fixed inside the bottom groove, and the cross rod penetrates through the moving column and is connected with the moving column in a sliding mode.

Furthermore, a vertical rod is fixed inside the side groove, penetrates through the sliding block and is in sliding connection with the sliding block.

Furthermore, the slider medial surface evenly imbeds and is provided with a plurality of balls that are located the montant inboard, ball and side groove tank bottom roll connection.

Furthermore, the bottom end of the vertical column penetrates through the L-shaped check block and is in sliding connection with the L-shaped check block, and the upper end and the lower end of the second spring are fixed to the top of the inner wall of the bottom groove and the top of the L-shaped check block respectively.

Furthermore, the top end of the moving column is provided with a slot positioned above the cross rod, and the inner end below the L-shaped stop block is matched with the slot.

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

the screw is disassembled and assembled according to needs, so that the number of the top columns can be matched with the residual length of the lower end of the bolt;

the nut ring is connected to the outer portion of the bolt through the screw hole in a threaded mode, the sliding block is moved upwards, the inner end of the top column is in contact with the bolt, the nut ring can be limited, the inner end below the L-shaped stop block can be inserted into the slot after the inner end of the top column is in contact with the bolt, the top column can be limited, the top column can tightly press the top nut, and therefore looseness prevention of the nut ring is achieved, the number of the top columns is multiple, the number of the top columns can be matched with the remaining length of the lower end of the bolt, and the looseness prevention effect is good;

the sliding block is moved upwards to enable the moving column to move to the outermost end of the bottom groove, the L-shaped stop block limits the upper end of the moving column, and the top column is far away from the bolt and is limited, so that a user can detach the nut ring conveniently;

there is certain distance between slider lateral surface and the side channel notch, can effectively avoid the instrument to directly contact with the slider when the user twists and moves the nut, and the instrument drives the slider and removes and lead to influencing the dismouting of nut when avoiding twisting and moving the nut, and has certain distance between slider bottom and the side channel inner wall bottom, and the person of facilitating the use shifts up the slider through this distance to conveniently remove the slider.

Drawings

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

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

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a diagram illustrating the effect of the present invention.

The labels in the figure are: 1-a nut ring; 2-screw holes; 3-bottom groove; 4-column moving; 5, a first spring; 6-a cross bar; 7-side groove; 8-a slide block; 9-vertical rod; 10-a ball bearing; 11-L-shaped stop blocks; 12-vertical posts; 13-spring two; 14-thread groove; 15-screw rod; a 16-spiro ring; 17-a top pillar; 18-slot.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1 to 4:

a locknut, comprising:

the middle of the top end of the nut ring 1 is provided with a screw hole 2;

the locking assembly is characterized in that the bottom of the nut ring 1 is provided with a bottom groove 3 located on one side of the screw hole 2, the locking assembly is located inside the bottom groove 3 and comprises a moving column 4, a first spring 5, a screw rod 15, a spiral ring 16 and a top column 17, the moving column 4 is slidably connected inside the bottom groove 3 and extends out of a notch of the bottom groove 3, the first spring 5 is provided with a plurality of springs and is uniformly fixed between the inner side of the moving column 4 and the inner side wall of the bottom groove 3, the screw rod 15 is located below the moving column 4, the spiral ring 16 is provided with a plurality of springs and is sequentially in threaded connection with the outer portion of the screw rod 15 from top to bottom, and the top column 17 is provided with a plurality of screws and is fixed on the inner sides of the spiral rings 16 one by one;

limit structure, 1 side of nut ring is opened there is side channel 7 that is located the outside of kerve 3, the inboard top in side channel 7 communicates with each other with 3 tops in kerve, limit structure is located inside side channel 7 and kerve 3, limit structure includes slider 8, L type dog 11, upstand 12 and spring two 13, slider 8 sliding connection is inside in side channel 7, L type dog 11 is fixed in the inboard top of slider 8, L type dog 11 extends to 3 insides in kerve and catches on and moves 4 upper ends of post, upstand 12 is located and moves 4 tops of post and be fixed in 3 inner wall tops in kerve, spring two 13 cup joints in upstand 12 outsides.

Furthermore, the bottom of the moving column 4 is provided with a thread groove 14, the top end of the screw 15 extends into the thread groove 14 and is in threaded connection with the thread groove, and the plurality of spiral rings 16 are all positioned below the moving column 4;

further, the bottom end of the vertical column 12 penetrates through the L-shaped stop block 11 and is in sliding connection with the L-shaped stop block, and the upper end and the lower end of the second spring 13 are respectively fixed with the top of the inner wall of the bottom groove 3 and the top of the L-shaped stop block 11;

furthermore, the top end of the movable column 4 is provided with a slot 18 positioned above the cross rod 6, and the inner end below the L-shaped stop block 11 is matched with the slot 18;

before installation, a user can assemble the spiral rings 16 with corresponding quantity according to the residual length of the lower end of the bolt after the nut ring 1 and the bolt are installed, the screw rods 15 are rotated downwards and separated from the thread grooves 14 during assembly, then the spiral rings 16 are respectively rotated upwards to disassemble the spiral rings 16, or the spiral rings 16 are connected to the outer wall of the screw rods 15 in a one-to-one threaded mode from the screw rods 15, so that the spiral rings 16 are disassembled, and the quantity of the top columns 17 can be matched with the residual length of the lower end of the bolt;

when the bolt is installed, the nut ring 1 is connected to the outside of the bolt through the screw hole 2 in a threaded manner, the sliding block 8 is moved upwards, the sliding block 8 drives the L-shaped check block 11 to move upwards along the outer wall of the vertical post 12, the L-shaped check block 11 moves upwards to extrude the second spring 13 to contract, after the L-shaped check block 11 is completely separated from the upper end of the moving post 4, the first spring 5 in a stretching state pulls the moving post 4 inwards, the moving post 4 drives the top post 17 to move inwards through the screw rod 15 until the inner end of the top post 17 is contacted with the bolt, the inner end below the L-shaped check block 11 corresponds to the position of the slot 18, the second spring 13 in a compression state pushes the L-shaped check block 11 to move downwards, the inner end below the L-shaped check block 11 is inserted into the slot 18, the limit on the moving post 4 is realized, the top post 17 is limited, the top post 17 is tightly pressed against the nut, the nut is prevented from being loosened, the top post 17 is provided with a plurality of top posts 17, and the number of the top posts 17 can be matched with the residual length of the lower end of the bolt, the anti-loosening effect is good;

when the nut ring is disassembled, the sliding block 8 is moved upwards to enable the L-shaped check block 11 to extrude the second spring 13 to contract, meanwhile, the inner end below the L-shaped check block 11 is moved out of the slot 18, the spiral ring 16 is moved outwards at the moment, the spiral ring 16 drives the moving column 4 to move outwards through the screw rod 15, and after the moving column 4 moves to the outermost end of the bottom groove 3, the second spring 13 in the contraction state pushes the L-shaped check block 11 to move downwards, so that the L-shaped check block 11 limits the upper end of the moving column 4, the top column 17 is far away from the bolt and is limited, and a user can disassemble the nut ring 1 conveniently;

specifically, there is certain distance between 8 lateral surfaces of slider and the 7 notches of side channel, can effectively avoid the instrument to directly contact with slider 8 when the user twists nut ring 1, and the instrument drives slider 8 and removes and lead to influencing the dismouting of nut ring 1 when avoiding twisting the nut, and has certain distance between 8 bottoms of slider and the 7 inner wall bottoms of side channel, and the person of facilitating the use shifts up slider 8 through this distance to conveniently remove slider 8.

Furthermore, a cross rod 6 positioned above the thread groove 14 and the plurality of springs I5 is fixed inside the bottom groove 3, the cross rod 6 penetrates through the moving column 4 and is in sliding connection with the moving column 4, the cross rod 6 limits the motion track of the moving column 4, so that the cross rod 6 moves horizontally along the cross rod 6 when moving left and right, the moving column 4 can be prevented from moving to distort the springs I5, and meanwhile, the position deviation of the ejection column 17 when ejecting with a bolt is avoided;

furthermore, a vertical rod 9 is fixed inside the side groove 7, the vertical rod 9 penetrates through the sliding block 8 and is in sliding connection with the sliding block, the vertical rod 9 plays a role in guiding the moving track of the sliding block 8, the sliding block 8 vertically moves up and down, so that the L-shaped stop block 11 vertically moves, meanwhile, the arrangement of the vertical column 12 can further limit the moving track of the L-shaped stop block 11, and the situation that the position of the L-shaped stop block 11 deviates and distorts the spring II 13 when moving is avoided;

further, 8 medial surfaces of slider evenly imbed and are provided with a plurality of balls 10 that are located the inboard of montant 9,

ball

10 and 7 tank bottoms roll connection in side channel, slider 8 reciprocates and can drive ball 10 and roll at 7 tank bottoms in side channel, and ball 10 assists slider 8 to reciprocate to alleviate the power of slider 8 on the user, so that the dismouting.

Claims

1. A locknut, comprising:

the nut ring (1), the middle part of the top end of the nut ring (1) is provided with a screw hole (2);

the locking assembly is characterized in that a bottom groove (3) located on one side of a screw hole (2) is formed in the bottom of the nut ring (1), the locking assembly is located inside the bottom groove (3), the locking assembly comprises a moving column (4), a first spring (5), a screw rod (15), a spiral ring (16) and a top column (17), the moving column (4) is connected inside the bottom groove (3) in a sliding mode and extends out of a notch of the bottom groove (3), the first spring (5) is provided with a plurality of screws and is uniformly fixed between the inner side of the moving column (4) and the inner side wall of the bottom groove (3), the screw rod (15) is located below the moving column (4), the spiral ring (16) is provided with a plurality of screws and is sequentially connected to the outer portion of the screw rod (15) from top to bottom in a threaded mode, and the top column (17) is provided with a plurality of screws and is fixed to the inner sides of the spiral ring (16) one by one;

limiting structure, nut ring (1) side is opened there are side channel (7) that are located kerve (3) outside, side channel (7) inboard top communicates with each other with kerve (3) top, limiting structure is located inside side channel (7) and kerve (3), limiting structure includes slider (8), L type dog (11), upstand (12) and spring two (13), slider (8) sliding connection is inside in side channel (7), L type dog (11) are fixed in slider (8) inboard top, L type dog (11) extend to kerve (3) inside and catch and move post (4) upper end, upstand (12) are located and move post (4) top and are fixed in kerve (3) inner wall top, spring two (13) cup joint in upstand (12) outside.

2. The locknut of claim 1, wherein: the bottom of the moving column (4) is provided with a thread groove (14), the top end of the screw rod (15) extends into the thread groove (14) and is in threaded connection with the thread groove, and the plurality of spiral rings (16) are all positioned below the moving column (4).

3. The locknut of claim 2, wherein: the inner part of the bottom groove (3) is fixedly provided with a cross rod (6) positioned above the thread groove (14) and the springs I (5), and the cross rod (6) penetrates through the moving column (4) and is connected with the moving column in a sliding manner.

4. The locknut of claim 1, wherein: a vertical rod (9) is fixed inside the side groove (7), and the vertical rod (9) penetrates through the sliding block (8) and is in sliding connection with the sliding block.

5. The locknut of claim 4, wherein: the inner side surface of the sliding block (8) is uniformly embedded with a plurality of balls (10) which are positioned on the inner side of the vertical rod (9), and the balls (10) are in rolling connection with the bottom of the side groove (7).

6. The locknut of claim 1, wherein: the bottom end of the vertical column (12) penetrates through the L-shaped stop block (11) and is in sliding connection with the L-shaped stop block, and the upper end and the lower end of the second spring (13) are fixed to the top of the inner wall of the bottom groove (3) and the top of the L-shaped stop block (11) respectively.

7. A locknut as claimed in claim 3, wherein: the top end of the moving column (4) is provided with a slot (18) positioned above the cross rod (6), and the inner end below the L-shaped stop block (11) is matched with the slot (18).