CN217355156U

CN217355156U - Anti-loose sealing nut

Info

Publication number: CN217355156U
Application number: CN202220656055.8U
Authority: CN
Inventors: 李达; 梁修海; 占其斌; 陈约南; 戴美锋
Original assignee: RUIBIAO GROUP CO LTD
Current assignee: RUIBIAO GROUP CO LTD
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-09-02
Anticipated expiration: 2032-03-24

Abstract

The utility model relates to a fastener technical field specifically is a locking gland nut, including the structure nut, the top of nut sets up the european protective housing, the bottom of nut is provided with the first spring that is used for increasing frictional force between bolt and the nut screw thread, the inner chamber of protective housing is provided with the extrusion subassembly that is used for increasing frictional force between bolt and the nut screw thread, the inner chamber left and right sides of protective housing is provided with the clamping components who is used for fixing bolt respectively. This locking gland nut has solved the nut often can appear not hard up condition with reasons such as the vibrations of equipment afterwards on the bolt, leads to the nut to lose its problem that should have the effect, through the mutually supporting between extrusion subassembly, two clamping components and the first spring, can prevent that not hard up condition from appearing in the nut, has improved the stability of nut when using.

Description

Anti-loose sealing nut

Technical Field

The utility model relates to a fastener technical field specifically is a locking gland nut.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials.

However, the nut in the prior art often loosens due to vibration and the like of equipment later after being screwed on the bolt, so that the nut loses the due effect, and the anti-loosening sealing nut is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking gland nut to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a locking gland nut, includes the nut, the top of nut sets up the Europe protective housing, the bottom of nut is provided with the first spring that is used for increasing frictional force between bolt and the nut screw, the inner chamber of protective housing is provided with the extrusion subassembly that is used for increasing frictional force between bolt and the nut screw, the inner chamber left and right sides of protective housing is provided with the clamp assembly who is used for fixing bolt respectively.

Preferably, the extrusion subassembly is including coupling assembling, movable plate, second spring and stripper plate, two coupling assembling sets up the inner chamber left and right sides at the protective housing respectively, movable plate fixed mounting is between two coupling assembling, the one end fixed connection of second spring is on the inner chamber top of protective housing, the bottom of second spring and the top fixed connection of movable plate, the stripper plate sets up the bottom at the movable plate.

Preferably, each coupling assembling all includes spread groove and connecting block, connect the inner wall of seting up at the protective housing, the one end slidable of connecting block is embedded in the inner chamber of spread groove, the other end of connecting block and the outer wall fixed connection of movable plate, the outer wall of connecting block and the inner chamber fit of spread groove just all are "T" font.

Preferably, each clamping component comprises a limiting component, a clamping plate, a screw rod, a knob and an anti-slip plate, wherein one end of the limiting component is arranged on one side of the inner cavity of the protective shell, the clamping plate is arranged on the other end of the limiting component, the screw rod is in threaded connection with one side of the protective shell, one end of the screw rod extends to the inner cavity of the protective shell and is connected with the clamping plate through a bearing in a rotating mode, the other end of the screw rod extends to the outside of the protective shell, the knob is fixedly arranged at one end, located at the outside of the protective shell, of the screw rod, and the anti-slip plate is fixedly arranged on one side, close to the center of the inner cavity of the protective shell, of the clamping plate.

Preferably, spacing subassembly is including two telescopic links, two the equal fixed connection of one end of telescopic link is at the inner wall of protective housing, two the equal fixed connection of the other end of telescopic link is at the outer wall of splint.

Preferably, the antiskid plate is a rubber pad, and the outer wall of the antiskid plate is provided with antiskid ridges.

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

when the nut is installed, the first spring is sleeved on the outer wall of the bolt, the nut and the bolt are in threaded connection with each other, the bolt enters an inner cavity of the protective shell, the extrusion plate and the moving plate slide upwards along a straight line under the limiting action of the connecting block and the connecting groove, and the second spring generates corresponding elastic deformation after being pressed, so that certain elastic force is achieved, the protective shell is pushed upwards, the nut is pulled upwards by the protective shell, the contact between threads of the inner wall of the nut and threads of the outer wall of the bolt is tighter, the friction force is increased, the nut can be prevented from being loosened, and the stability of the nut in use is improved;

when the nut is installed, the first spring can be subjected to pressure between equipment and the nut to generate corresponding elastic deformation, and then generates corresponding elastic force, so that the nut is subjected to upward thrust, the threads on the inner wall of the nut and the threads on the outer wall of the bolt are in closer contact, the friction force is increased, the nut is further prevented from loosening, and the stability of the nut in use is improved;

third, after the nut has been good at the spiro union, rotatable knob, make the knob drive the screw rod and rotate, because looks spiro union between screw rod and the protective housing, consequently, when the screw rod is in the rotation, can make splint drive the antiskid ribbed tile slide to the outer wall of bolt along the straight line under the limiting displacement of telescopic link, the outer wall that makes the antiskid ribbed tile and the outer wall in close contact with of bolt, under the effect of frictional force, can prevent that the relative bolt of protective housing from appearing the rotatory condition, and then can be further fixed the nut, prevent that the rotatory not hard up condition from appearing after the nut spiro union is on the bolt.

Drawings

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

fig. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the nut screwed on the bolt of the present invention.

In the figure: 1. a nut; 2. a protective shell; 3. a first spring; 4. connecting grooves; 5. connecting blocks; 6. moving the plate; 7. a second spring; 8. a telescopic rod; 9. a splint; 10. a screw; 11. a knob; 12. an anti-skid plate; 13. and (5) pressing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a kind of anti-loose gland nut, including the nut 1, the top of the nut 1 sets up the Europe protective housing 2, the bottom of the nut 1 has first springs 3 used for increasing the frictional force between nut 1 and the screw thread of the bolt, the cavity of the protective housing 2 has squeezing assemblies used for increasing the frictional force between nut 1 and the screw thread of the bolt, the left and right sides of cavity of the protective housing 2 have clamping assemblies used for fixing the bolt respectively, through the arrangement of squeezing assembly, can make the protective housing 2 receive an upward thrust, and then make the nut 1 receive the upward pulling force of the protective housing 2, make the contact between screw thread of the inner wall of the nut 1 and screw thread of the outer wall of bolt tighter, the frictional force is enlarged, and then can prevent the nut 1 from appearing the situation that is not hard up, the stability when the nut 1 is used is improved, while installing the nut 1, can make the first spring 3 receive the pressure between apparatus and the nut 1, take place corresponding elastic deformation, and then produce corresponding elasticity, thereby make nut 1 receive an ascending thrust, it is inseparabler to make the contact between the screw thread of 1 inner wall of nut and the screw thread of bolt outer wall, the frictional force grow, further prevent that not hard up condition from appearing in nut 1, the stability of nut 1 when using has been improved, when two clamping unit press from both sides the outer wall of bolt simultaneously, under the effect of frictional force, can prevent that the rotatory condition from appearing in the relative bolt of protective housing 2, and then can further fix nut 1, prevent that the rotatory not hard up condition from appearing after the 1 spiro union of nut is on the bolt.

In this embodiment, the extruding component includes connecting components, a moving plate 6, a second spring 7 and an extruding plate 13, the two connecting components are respectively disposed at the left and right sides of the inner cavity of the protective shell 2, the moving plate 6 is fixedly mounted between the two connecting components, one end of the second spring 7 is fixedly connected to the top end of the inner cavity of the protective shell 2, the bottom end of the second spring 7 is fixedly connected to the top end of the moving plate 6, the extruding plate 13 is disposed at the bottom end of the moving plate 6, when the nut 1 is mounted, the first spring 3 is sleeved on the outer wall of the bolt, so that the nut 1 and the bolt are screwed with each other, and further the bolt enters the inner cavity of the protective shell 2, thereby the extruding plate 13 and the moving plate 6 slide upwards along a straight line under the limiting effect of the connecting blocks 5 and the connecting grooves 4, and further the second spring 7 generates corresponding elastic deformation after being subjected to pressure, thereby having a certain elasticity, make the protective housing 2 receive an ascending thrust, and then make nut 1 receive the ascending pulling force of protective housing 2, make contact inseparabler between the screw thread of 1 inner wall of nut and the screw thread of bolt outer wall, the frictional force grow, and then can prevent that not hard up condition from appearing in nut 1, improved the stability of nut 1 when using.

In this embodiment, each connecting assembly includes a connecting groove 4 and a connecting block 5, the inner wall of the protective housing 2 is connected and opened, one end of the connecting block 5 is slidably embedded in the inner cavity of the connecting groove 4, the other end of the connecting block 5 is fixedly connected with the outer wall of the movable plate 6, the outer wall of the connecting block 5 is properly matched with the inner cavity of the connecting groove 4 and is in a "T" shape, when the movable plate 6 slides, the connecting block 5 can slide in the inner cavity of the connecting groove 4, because the outer wall of the connecting block 5 is properly matched with the inner cavity of the connecting groove 4 and is in a "T" shape, the connecting block 5 can be stably embedded in the inner cavity of the connecting groove 4, and further, under the interaction between the connecting block 5 and the connecting groove 4, the movable plate 6 can be prevented from being inclined, and the movable plate 6 can always slide upwards along a straight line.

In this embodiment, each clamping assembly includes a limiting assembly, a clamping plate 9, a screw 10, a knob 11 and an anti-slip plate 12, one end of the limiting assembly is disposed at one side of the inner cavity of the protective housing 2, the clamping plate 9 is disposed at the other end of the limiting assembly, the screw 10 is screwed to one side of the protective housing 2, one end of the screw 10 extends to the inner cavity of the protective housing 2 and is rotatably connected to the clamping plate 9 through a bearing, the other end of the screw 10 extends to the outside of the protective housing 2, the knob 11 is fixedly mounted at one end of the screw 10 located at the outside of the protective housing 2, the anti-slip plate 12 is fixedly mounted at one side of the clamping plate 9 close to the center position of the inner cavity of the protective housing 2, after the nut 1 is screwed, the knob 11 can be rotated to drive the screw 10 to rotate, and as the screw 10 is screwed to the protective housing 2, when the screw 10 is rotated, the clamping plate 9 can drive the anti-slip plate 12 to slide along a straight line to the outer wall of the bolt under the limiting effect of the telescopic rod 8, the outer wall that makes antiskid ribbed tile 12 and the outer wall in close contact with of bolt, under the effect of frictional force, can prevent that the rotatory condition from appearing in the relative bolt of protective housing 2, and then can be further fixed nut 1, prevent that the rotatory not hard up condition from appearing after nut 1 spiro union is on the bolt.

In this embodiment, spacing subassembly is including two telescopic links 8, and the equal fixed connection of the one end of two telescopic links 8 is at the inner wall of protective housing 2, and the equal fixed connection of the other end of two telescopic links 8 is at the outer wall of splint 9, and when splint 9 is gliding, can make the shrink that telescopic link 8 corresponds or stretch out, under two 8 interactions of telescopic link, can prevent that splint 9 from following screw rod 10 and rotating to clamping component's stability has been improved.

In this embodiment, the antiskid plate 12 is a rubber pad, and the outer wall of the antiskid plate 12 is provided with anti-slip ribs, so that the friction force between the antiskid plate 12 and the outer wall of the bolt can be increased by the arrangement of the anti-slip ribs, the bolt can be clamped and fixed, and the relative bolt of the protective shell 2 is prevented from rotating.

The utility model discloses a use method and advantage: when in use, the working process is as follows:

when the nut 1 is installed, the first spring 3 is sleeved on the outer wall of the bolt, the nut 1 and the bolt are in threaded connection with each other, and then the bolt enters the inner cavity of the protective shell 2, so that the extrusion plate 13 and the moving plate 6 are extruded to slide upwards along a straight line under the limiting action of the connecting block 5 and the connecting groove 4, and then the second spring 7 generates corresponding elastic deformation after being subjected to pressure, so that certain elastic force is achieved, the protective shell 2 is subjected to upward thrust, the nut 1 is further subjected to upward tensile force of the protective shell 2, the contact between the threads on the inner wall of the nut 1 and the threads on the outer wall of the bolt is tighter, the friction force is increased, the nut 1 can be prevented from being loosened, and the stability of the nut 1 in use is improved;

when the nut 1 is installed, the first spring 3 can be subjected to pressure between equipment and the nut 1 to generate corresponding elastic deformation and further generate corresponding elastic force, so that the nut 1 is subjected to upward thrust, the threads on the inner wall of the nut 1 and the threads on the outer wall of the bolt are in closer contact, the friction force is increased, the nut 1 is further prevented from loosening, and the stability of the nut 1 in use is improved;

after nut 1 is threaded well, rotatable knob 11, make knob 11 drive screw rod 10 rotate, because looks spiro union between screw rod 10 and the protective housing 2, consequently, when screw rod 10 is in the rotation, can make splint 9 drive antiskid ribbed tile 12 slide to the outer wall of bolt along the straight line under the limiting displacement of telescopic link 8, the outer wall in close contact with of messenger antiskid ribbed tile 12 and the outer wall of bolt, under the effect of frictional force, can prevent that the rotatory condition from appearing in the relative bolt of protective housing 2, and then can further fix nut 1, the rotatory not hard up condition appears after preventing nut 1 spiro union on the bolt.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A locknut seal, includes nut (1), its characterized in that: the top of nut (1) is provided with protective housing (2), the bottom of nut (1) is provided with first spring (3) that are used for increasing frictional force between bolt and nut (1) screw thread, the inner chamber of protective housing (2) is provided with the extrusion subassembly that is used for increasing frictional force between bolt and nut (1) screw thread, the inner chamber left and right sides of protective housing (2) is provided with the tight subassembly of clamp that is used for fixing bolt respectively.

2. The locknut according to claim 1, wherein: the extrusion subassembly is including coupling assembling, movable plate (6), second spring (7) and stripper plate (13), two coupling assembling sets up respectively in the inner chamber left and right sides of protective housing (2), movable plate (6) fixed mounting is between two coupling assembling, the one end fixed connection of second spring (7) is on the inner chamber top of protective housing (2), the bottom of second spring (7) and the top fixed connection of movable plate (6), stripper plate (13) set up the bottom at movable plate (6).

3. The locknut according to claim 2, wherein: each coupling assembling all includes spread groove (4) and connecting block (5), the inner wall at protective housing (2) is seted up to the spread groove, the inner chamber at spread groove (4) is embedded to the one end slidable of connecting block (5), the other end of connecting block (5) and the outer wall fixed connection of movable plate (6), the outer wall of connecting block (5) and the inner chamber of spread groove (4) are fit for mutually and all are "T" font.

4. The locknut according to claim 1, wherein: each clamping assembly comprises a limiting assembly, a clamping plate (9), a screw rod (10), a knob (11) and an anti-slip plate (12), one end of the limiting assembly is arranged on one side of an inner cavity of the protective shell (2), the clamping plate (9) is arranged on the other end of the limiting assembly, the screw rod (10) is in threaded connection with one side of the protective shell (2), one end of the screw rod (10) extends to the inner cavity of the protective shell (2) and is rotatably connected with the clamping plate (9) through a bearing, the other end of the screw rod (10) extends to the outside of the protective shell (2), the knob (11) is fixedly arranged at one end, located outside the protective shell (2), of the screw rod (10), and the anti-slip plate (12) is fixedly arranged on one side, close to the center position of the inner cavity of the protective shell (2), of the clamping plate (9).

5. The locknut according to claim 4, wherein: the limiting assembly comprises two telescopic rods (8) and two equal fixed connections of one ends of the telescopic rods (8) are fixedly connected to the inner wall of the protective shell (2) and the other ends of the telescopic rods (8) are fixedly connected to the outer wall of the clamping plate (9).

6. The locknut according to claim 4, wherein: the anti-skid plate (12) is a rubber pad, and anti-skid edges are arranged on the outer wall of the anti-skid plate (12).