CN216478356U - Hexagonal flange large-specification external member locknut - Google Patents

Abstract

The utility model discloses a large-specification external member locknut of a hexagonal flange, which comprises a nut, a flange, a convex conical surface, a first opening, a conical sleeve, an internal thread sleeve, a mounting ring, a second opening, a mounting groove, a pressure rod, a sink groove, a pressing block, a first spring, a magnet block, a second spring and an annular cushion block, wherein the flange is integrally arranged at the upper end of the nut, the convex conical surface is arranged at the lower end of the nut, a plurality of longitudinally distributed first openings are uniformly arranged at the lower end of the nut, the conical sleeve is arranged below the nut, the conical inner wall of the conical sleeve is matched with the convex conical surface, the internal thread sleeve is arranged below the conical sleeve, the mounting ring is integrally arranged at the outer side of the upper end of the internal thread sleeve, a plurality of longitudinally distributed second openings are uniformly arranged at the lower end of the internal thread sleeve, and compared with the prior art, the locknut can be effectively prevented from loosening, the tightness and reliability of nut connection are improved, the structure is simple, the use is convenient, and the popularization and the application are convenient.

Description

Hexagonal flange large-specification external member locknut

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of nuts, in particular to a large-specification hexagonal flange sleeve check nut.

[ background of the utility model ]

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. In the connection between flanges, nuts, which are nuts, are used as fastening parts screwed together with bolts or screws, and an element that is necessary for all production machines is classified into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials. The nut is a part for tightly connecting mechanical equipment, the nut and the bolt can be connected together in the same specification through the threads on the inner side, and the existing locknut of the large-specification suite of the hexagonal flange has the defects of poor locking effect and easiness in loosening.

[ Utility model ] content

The utility model aims to solve the problems in the prior art and provides a large-specification hexagonal flange sleeve check nut.

In order to achieve the purpose, the utility model provides a large-specification hexagonal flange external member locknut which comprises a nut, a flange, a convex conical surface, a first opening, a conical sleeve, an internal thread sleeve, a mounting ring, a second opening, a mounting groove, a pressure rod, a sink groove, a pressure block, a first spring, a magnet block, a second spring and an annular cushion block, wherein the flange is integrally arranged at the upper end of the nut, the convex conical surface is arranged at the lower end of the nut, a plurality of longitudinally-distributed first openings are uniformly arranged at the lower end of the nut, the conical sleeve is arranged below the nut, the conical inner wall of the conical sleeve is matched with the convex conical surface, the internal thread sleeve is arranged below the conical sleeve, the mounting ring is integrally arranged at the outer side of the upper end of the internal thread sleeve, a plurality of longitudinally-distributed second openings are uniformly arranged at the lower end of the internal thread sleeve, and a plurality of mounting grooves are uniformly arranged at the side part of the mounting ring, every all articulated in the mounting groove have a depression bar, every the heavy groove has all been seted up towards internal thread telescopic one side to the lower extreme of depression bar, every the heavy inslot all is equipped with the briquetting, briquetting and heavy groove sliding fit, every the tank bottom of heavy groove all is fixed and is equipped with first spring, the free end and the briquetting fixed connection of first spring, the top of nut is inlayed and is equipped with the magnet piece, the fixed second spring that is equipped with in internal thread telescopic upper end, the rotatable annular cushion that is equipped with in upper end of second spring.

Preferably, the cross section of the flange is a regular hexagon, and the cross section of the nut is a circle.

Preferably, the height of the first opening is greater than the height of the convex tapered surface.

Preferably, the cross section of the mounting ring is a regular hexagon.

Preferably, the inner diameter of the small end of the tapered sleeve is larger than the diameter of the screw hole of the nut, and the inner diameter of the small end of the tapered sleeve is the same as that of the annular cushion block.

The utility model has the beneficial effects that: the utility model can improve the tightness of the connection between the nut and the connected object by utilizing the magnetism of the magnet block and is beneficial to preventing the nut from loosening, the convex conical surface and the first opening are arranged at the lower end of the nut, the convex conical surface is matched with the conical surface of the inner wall of the conical sleeve, the conical sleeve is extruded by screwing the internal thread sleeve upwards to enable the conical sleeve to move upwards, the conical sleeve can extrude the convex conical surface of the nut, the nut is compressed and deformed along the first opening, the thread of the screw hole of the nut is more tightly connected with the screw rod, the nut is effectively prevented from loosening, the internal thread sleeve upwards pushes the conical sleeve through the pressure rod, the conical surface outside the conical sleeve can give reaction force to the pressure rod, the upper end of the pressure rod is gradually far away from the axis of the internal thread sleeve, and the lower end of the pressure rod is gradually close to the axis of the internal thread sleeve, make the briquetting extrude the telescopic outside portion of internal thread, make first spring pressurized shorten, the pressure of briquetting makes the telescopic downside portion of internal thread follow second opening part compression deformation, it is inseparabler to make the telescopic screw hole of internal thread be connected with the screw rod, it is not hard up effectively to prevent the internal thread sleeve, and at the in-process that the internal thread sleeve upwards precession, the taper sleeve pipe can be extruded to the annular cushion, after the fastening is accomplished, the elasticity of second spring can give the taper sleeve pretightning force all the time, make the taper sleeve pipe can tightly wrap up the convex conical surface all the time, the elasticity of corresponding second spring also helps preventing that the internal thread sleeve is not hard up. Compared with the prior art, can prevent effectively that the nut is not hard up, promote the compactness and the reliability that the nut is connected, simple structure, convenient to use, facilitate promotion is used.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a large-specification suite locknut with a hexagonal flange.

In the figure: 1-nut, 2-flange, 3-convex conical surface, 4-first opening, 5-taper sleeve, 6-internal thread sleeve, 7-mounting ring, 8-second opening, 9-mounting groove, 10-compression bar, 11-sink groove, 12-pressing block, 13-first spring, 14-magnet block, 15-second spring and 16-annular cushion block.

[ detailed description ] embodiments

Referring to fig. 1, the utility model relates to a large-specification hexagonal flange external member locknut, which comprises a nut 1, a flange 2, a convex conical surface 3, a first opening 4, a conical sleeve 5, an internal thread sleeve 6, a mounting ring 7, a second opening 8, a mounting groove 9, a pressure lever 10, a sink groove 11, a pressing block 12, a first spring 13, a magnet block 14, a second spring 15 and an annular cushion block 16, wherein the flange 2 is integrally arranged at the upper end of the nut 1, the convex conical surface 3 is arranged at the lower end of the nut 1, a plurality of longitudinally distributed first openings 4 are uniformly arranged at the lower end of the nut 1, the conical sleeve 5 is arranged below the nut 1, the conical inner wall of the conical sleeve 5 is matched with the convex conical surface 3, the internal thread sleeve 6 is arranged below the conical sleeve 5, the mounting ring 7 is integrally arranged at the outer side of the upper end of the internal thread sleeve 6, and a plurality of longitudinally distributed second openings 8 are uniformly arranged at the lower end of the internal thread sleeve 6, the side part of the mounting ring 7 is uniformly provided with a plurality of mounting grooves 9, each mounting groove 9 is internally hinged with a pressure lever 10, one side of the lower end of each pressure lever 10, which faces the internal thread sleeve 6, is provided with a sinking groove 11, each sinking groove 11 is internally provided with a pressure block 12, the pressure block 12 is in sliding fit with the sinking groove 11, the bottom of each sinking groove 11 is fixedly provided with a first spring 13, the free end of the first spring 13 is fixedly connected with the pressure block 12, the top of the nut 1 is embedded with a magnet block 14, the upper end of the internal thread sleeve 6 is fixedly provided with a second spring 15, the upper end of the second spring 15 is rotatably provided with an annular cushion block 16, the cross section of the flange 2 is regular hexagon, the cross section of the nut 1 is circular, the height of the first opening 4 is greater than that of the convex conical surface 3, and the cross section of the mounting ring 7 is regular hexagon, the inner diameter of the small end of the conical sleeve 5 is larger than the diameter of the screw hole of the nut 1, and the inner diameter of the small end of the conical sleeve 5 is the same as that of the annular cushion block 16.

The working process of the utility model is as follows: when the anti-loose nut is used, firstly, a spanner is used for clamping the flange 2 to screw the nut 1 on the screw, the magnet block 14 at the top of the nut 1 is in contact with an object to be connected, then the conical sleeve 5 is sleeved on the screw, then the spanner is used for clamping the mounting ring 7 to screw the internal thread sleeve 6 on the screw, the magnetism of the magnet block 14 can improve the connection tightness between the nut 1 and the object to be connected, the nut 1 is prevented from loosening, the convex conical surface 3 and the first opening 4 are arranged at the lower end of the nut 1, the convex conical surface 3 is matched with the conical surface of the inner wall of the conical sleeve 5, the conical sleeve 5 is extruded by the upward screwing of the internal thread sleeve 6 to enable the conical sleeve 5 to move upwards, the conical sleeve 5 can extrude the convex conical surface 3 of the nut 1, the nut 1 is compressed and deformed from the first opening 4, and the threads of the screw hole of the nut 1 are connected with the screw more tightly, the nut 1 is effectively prevented from loosening, the internal thread sleeve 6 pushes the conical sleeve 5 upwards through the pressure rod 10, the conical surface outside the conical sleeve 5 can provide reaction force for the pressure rod 10, the upper end of the pressure rod 10 is gradually far away from the axis of the internal thread sleeve 6, the lower end of the pressure rod 10 is gradually close to the axis of the internal thread sleeve 6, the pressure block 12 is extruded at the outer side part of the internal thread sleeve 6, the first spring 13 is compressed and shortened, the pressure of the pressure block 12 enables the lower side part of the internal thread sleeve 6 to be compressed and deformed from the second opening 8, the threaded hole of the internal thread sleeve 6 is connected with the screw rod more tightly, the internal thread sleeve 6 is effectively prevented from loosening, in the process that the internal thread sleeve 6 is screwed upwards, the annular cushion block 16 can extrude the conical sleeve 5, after the conical surface is fastened, the elastic force of the second spring 15 can always provide pre-tightening force for the conical sleeve 5, and the conical sleeve 5 can always tightly wrap the convex sleeve 3, the corresponding spring force of the second spring 15 also helps to prevent the internally threaded sleeve 6 from loosening. Compared with the prior art, can prevent effectively that the nut is not hard up, promote the compactness and the reliability that the nut is connected, simple structure, convenient to use, facilitate promotion is used.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (5)

1. The utility model provides a big specification external member locknut of hexagonal flange which characterized in that: comprises a nut (1), a flange (2), a convex conical surface (3), a first opening (4), a conical sleeve (5), an internal thread sleeve (6), a mounting ring (7), a second opening (8), a mounting groove (9), a pressure rod (10), a sink groove (11), a pressing block (12), a first spring (13), a magnet block (14), a second spring (15) and an annular cushion block (16), wherein the flange (2) is integrally arranged at the upper end of the nut (1), the convex conical surface (3) is arranged at the lower end of the nut (1), the first openings (4) which are longitudinally distributed are uniformly arranged at the lower end of the nut (1), the conical sleeve (5) is arranged below the nut (1), the conical inner wall of the conical sleeve (5) is matched with the convex conical surface (3), the internal thread sleeve (6) is arranged below the conical sleeve (5), the outside integral type of the upper end of internal thread sleeve (6) is equipped with collar (7), the second opening (8) of a plurality of longitudinal distributions are evenly seted up to the lower extreme of internal thread sleeve (6), a plurality of mounting grooves (9) have evenly been seted up to the lateral part of collar (7), every it has depression bar (10) all to articulate in mounting groove (9), every heavy groove (11) have all been seted up towards one side of internal thread sleeve (6) to the lower extreme of depression bar (10), every be equipped with briquetting (12) in heavy groove (11), briquetting (12) and heavy groove (11) sliding fit, every the tank bottom of heavy groove (11) all is fixed and is equipped with first spring (13), the free end and briquetting (12) fixed connection of first spring (13), the top of nut (1) is inlayed and is equipped with magnet piece (14), the upper end of internal thread sleeve (6) is fixed and is equipped with second spring (15), and the upper end of the second spring (15) is rotatably provided with an annular cushion block (16).

2. The large-specification hexagonal flange set locknut of claim 1, wherein: the cross section of the flange (2) is a regular hexagon, and the cross section of the nut (1) is circular.

3. The large-specification hexagonal flange set locknut of claim 1, wherein: the height of the first opening (4) is larger than that of the convex conical surface (3).

4. The large-specification hexagonal flange set locknut of claim 1, wherein: the cross section of the mounting ring (7) is a regular hexagon.

5. The large format hexagonal flange sleeve locknut of any one of claims 1 to 4, wherein: the inner diameter of the small end of the conical sleeve (5) is larger than the diameter of a screw hole of the nut (1), and the inner diameter of the small end of the conical sleeve (5) is the same as that of the annular cushion block (16).

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