CN217152589U

CN217152589U - Rust-proof and anti-loosening bolt and nut combined structure

Info

Publication number: CN217152589U
Application number: CN202220049264.6U
Authority: CN
Inventors: 齐长林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-08-09
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a rust-proof and anti-loosening bolt and nut combined structure, wherein a bolt is in threaded connection with a convex nut, the convex nut comprises a nut and a boss, the boss is arranged on one side of the nut away from the screw cap, thereby the boss nut forms a boss upper plane and a nut upper plane, the boss upper plane is provided with a spring washer, a rubber washer is arranged on the upper plane of the nut, anti-loosening holes are drilled on the side wall of the boss and the opposite position of the screw rod together, a jackscrew is arranged in the anti-loosening hole, a cap nut is connected with the top of the bolt through threads, the cap nut comprises a cap and a fixed platform, the cap nut is in threaded connection with the bolt through the cap, the fixed platform comprises a fixed platform upper plane and a flanging, the bottom of the flanging is a lower plane of the fixed table, the upper plane of the fixed table is tightly pressed on the spring washer, and the lower plane of the fixed table is tightly pressed on the rubber washer. The utility model has simple structure, can prevent rust corrosion and loosening.

Description

Rust-proof and anti-loosening bolt and nut combined structure

Technical Field

The utility model belongs to the technical field of the bolt, concretely relates to rust-resistant, locking bolt and nut integrated configuration that moves.

Background

The bolt is a mechanical part, and a cylindrical threaded fastener matched with a nut needs to be matched with the nut and is used for fastening and connecting two parts with through holes, and the connection form is called bolt connection.

The screw of the existing bolt is provided with an external thread and is connected with the internal thread of the nut through the external thread, but the bolt is usually exposed outside through parts connected by the bolt, the bolt is exposed in the air for a long time, particularly, an outdoor humid environment is easy to rust, and the bolt is easy to corrode for a long time.

Need fasten locking to the bolt in many industrial field applications, shake and arouse the not hard up of bolt more easily under the comparatively serious environment to cause the part to drop, constitute the potential safety hazard, for example fix bolt and nut on the sleeper rail, along with the long-time vibrations of rail, can make the nut not hard up, thereby cause the big accident of train derailment, how to guarantee to prevent under bolted connection's the condition that the bolt from rustting and becoming flexible is the technical problem that technical staff in the field need to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, and provide a can be with rust-resistant rotten bolt and nut integrated configuration that can prevent not hard up again, this bolt and nut integrated configuration adopts two rust-resistant rotten measures for the bolt is nonrust rotten in humid environment, adopts three anti-loosening measures, makes the bolt not hard up in vibrations comparatively serious environment.

In order to realize the above-mentioned purpose, the utility model provides a rust-resistant, locking bolt and nut integrated configuration that moves, the female screw comprises a bolt, threaded connection has protruding type nut on the screw rod of bolt, protruding type nut includes nut and boss, one side an organic whole that the screw cap was kept away from to the nut is connected with the boss to make boss nut form plane on the boss and the nut plane, it has anti-loosening hole to bore jointly on the lateral wall of boss and the relative position of screw rod, be equipped with the jackscrew that makes protruding type nut further with bolted connection in the anti-loosening hole, the top threaded connection of bolt has the gland nut, the bottom of gland nut contacts with the nut plane of boss nut.

As a further optimization, a spring washer is arranged on the upper plane of the boss.

And as a further optimization, a rubber washer is arranged on the upper plane of the nut.

As a further optimization, the cap nut comprises a cap and a fixing table, internal threads are arranged in the cap, the cap nut is in threaded connection with the bolt through the cap, the fixing table comprises a fixing table upper plane and a downward flanging which are in transitional connection with the cap, the bottom of the flanging is a fixing table lower plane, the fixing table upper plane is tightly pressed on the spring washer, and the fixing table lower plane is tightly pressed on the rubber washer.

The utility model has the advantages and the beneficial effect

1. The nut of the utility model adopts the convex nut with a boss, the boss of the convex nut and the relative position of the screw rod are drilled with an anti-loosening hole, the anti-loosening hole is internally provided with a jackscrew to be used as a first safety measure for preventing the nut from loosening, then the upper plane of the boss of the convex nut is provided with a spring washer, the upper plane of the nut is provided with a rubber washer, when the cap nut is screwed on the screw rod, the upper plane of a fixed platform on the cap nut can compress the spring washer, the lower plane of the fixed platform can compress the rubber washer, the acting force compressed by the spring washer is used as a second safety measure for preventing the nut from loosening, as the fixed platform on the cap nut is provided with a downward flanging, the jackscrew arranged in the anti-loosening hole can be fixed, the movement of the jackscrew in the anti-loosening hole along the axial direction is further prevented, thereby being used as a third safety measure for preventing the nut from loosening, the bolt is prevented from loosening under the environment with serious vibration, so that parts are prevented from falling off, and potential safety hazards are formed.

2. The utility model discloses before the installation, need with the bolt screw rod, protruding type nut, lubricating oil is paintd to the screw thread department of cap nut and jackscrew, later twist protruding type nut in the screw rod top by fixed part again, after the winding raw material area of screw rod department of protruding type nut below, screw up protruding type nut again on the screw rod by fixed part, thereby as the bolt, the rust-resistant first rust-resistant measure of nut integrated configuration, because screw up cap nut when on the screw rod, the plane can compress tightly the rubber packing ring under the fixed station on the cap nut, because the rubber packing ring has elasticity, can effectually seal up the clearance between cap nut and the protruding type nut, thereby as the bolt, the rust-resistant second of nut integrated configuration says rust-resistant measure, prevented because rust and corrode and need the artificial puzzlement of paining lubricating oil and causing of regularly dismantling because of getting rusty.

3. The utility model discloses simple structure, reasonable in design, simple to operate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of the overall structure provided by the embodiment of the present invention;

fig. 2 is a schematic structural view of the cap nut separated from the bolt according to the embodiment of the present invention;

fig. 3 is an exploded view of the overall structure provided by the embodiment of the present invention.

Reference numerals: the bolt comprises a bolt 1, a convex nut 2, a nut 2-1, a boss 2-2, a boss upper plane 2-3, a nut upper plane 2-4, a locking hole 3, a jackscrew 4, a rubber washer 5, a spring washer 6, a cap nut 7, a cap 7-1, a fixed platform 7-2, a fixed platform upper plane 7-3, a fixed platform lower plane 7-4 and a mark 8.

Detailed Description

The utility model discloses a size and length can be according to the size and the thickness by fixed article and decide to make this application will be fixed cap nut by fixed article again can also closely cooperate with protruding type nut, combine the figure detailed description below the utility model discloses a concrete implementation mode.

As shown in fig. 1-3, a bolt-nut combination structure with rust protection and looseness prevention comprises a bolt 1 and a convex nut 2, wherein the convex nut 2 is internally provided with a threaded through hole, the convex nut 2 is in threaded connection with the bolt 1 through the threaded through hole, the convex nut 2 comprises a nut 2-1 and a boss 2-2, one side of the nut 2-1, which is far away from a screw cap, is integrally connected with the boss 2-2, so that the boss nut 2 forms a boss upper plane 2-3 and a nut upper plane 2-4, the boss upper plane 2-3 is provided with a spring washer 6, the nut upper plane 2-4 is provided with a rubber washer 5, the rubber washer 5 can seal a gap between the nut 7 and the convex nut 2, and the relative position of the side wall of the boss 2-2 and a screw rod is jointly drilled with an looseness prevention hole 3, the depth of the anti-loosening hole 3 is more than 2mm, a jackscrew 4 which enables the convex nut 2 to be further connected with the bolt 1 is arranged in the anti-loosening hole 3, a cover nut 7 is connected with the top of the bolt 1 through threads, an inner cavity is arranged in the cover nut 7, the depth of the inner cavity is larger than the length of the screw rod exposed outside after a fixed part is fixed, the cover nut 7 comprises a cover cap 7-1 and a fixed platform 7-2, internal threads are arranged in the inner cavity of the cover cap 7-1, the cover nut 7 is connected with the bolt 1 through the cover cap 7-1 through threads, the fixed platform 7-2 comprises a fixed platform upper plane 7-3 and a downward flanging which are in transition connection with the cover cap 7-1, the bottom of the flanging is the fixed platform lower plane 7-4, the fixed platform upper plane 7-3 is tightly pressed on a spring washer 6, and the acting force tightly pressed by the spring washer 6 is used as a second safety measure for preventing the nut from loosening, the lower plane 7-4 of the fixed platform is tightly pressed on the rubber gasket 5, and the rubber gasket 5 has elasticity, so that the gap between the cap nut 7 and the convex nut 2 can be effectively sealed, and the rubber gasket is used as a second rust prevention measure for preventing rust of a bolt and nut combined structure.

Working method

Firstly, lubricating oil is smeared on the screw on the bolt 1, threads on the convex nut 2, the cap nut 7 and a jackscrew 4, the convex nut 2 is screwed at the screw above a fixed object, then the screw between the convex nut 2 and the fixed object is wound by 3-5 layers by a raw material belt, the convex nut 2 is screwed on the screw as a first anti-rust measure, then the jackscrew 4 is screwed into the anti-loosening hole 3, the anti-loosening hole 3 passes through the side wall of the boss and extends into the screw, so the jackscrew can further connect the convex nut 2 with the bolt 1 as a first safety measure for preventing the nut from loosening, finally the cap nut 7 is screwed at the top of the bolt 1, at the moment, the upper plane 7-3 of the fixing table is pressed on the spring washer 6, and the acting force pressed by the spring washer 6 is used as a second safety measure for preventing the nut from loosening, and the turn-ups hides jackscrew 4 in the anti-loosening hole 3 to prevent that jackscrew 4 from extending the axle direction and moving in anti-loosening hole 3, as the not hard up third insurance measure of nut, at this moment, plane 7-4 compresses tightly on packing rubber ring 5 under the fixed station, because packing rubber ring 5 has elasticity, can effectually get up the clearance seal between cap nut 7 and the protruding type nut 2, thereby as the rust-resistant second of bolt, nut integrated configuration rust-resistant measure, work as the utility model discloses the equipment is accomplished the back, draws mark 8 again on protruding type nut 2 and cap nut 7, as the inspection at any time the utility model discloses whether not hard up foundation, when taking place not hard up in time to handle.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides an antirust, locking bolt and nut integrated configuration that moves, includes bolt (1), its characterized in that: a screw rod of the bolt (1) is in threaded connection with a convex nut (2), the convex nut (2) comprises a nut (2-1) and a boss (2-2), a boss (2-2) is integrally connected with one side of the nut (2-1) far away from the screw cap, so that the boss nut (2) forms a boss upper plane (2-3) and a nut upper plane (2-4), the side wall of the boss (2-2) is drilled with an anti-loosening hole (3) together at the position opposite to the screw rod, a jackscrew (4) which enables the convex nut (2) to be further connected with the bolt (1) is arranged in the anti-loosening hole (3), the top of the bolt (1) is in threaded connection with a cover nut (7), and the bottom of the cover nut (7) is in contact with the upper nut plane (2-4) of the boss nut (2).

2. The rust-proof and anti-loosening bolt and nut combination structure as claimed in claim 1, wherein: and a spring washer (6) is arranged on the upper plane (2-3) of the boss.

3. The rust-proof and looseness-proof bolt and nut combination structure according to claim 1 or 2, wherein: and a rubber washer (5) is arranged on the upper plane (2-4) of the nut.

4. The rust-proof and anti-loosening bolt and nut combination structure as claimed in claim 3, wherein: the cover nut (7) comprises a cover cap (7-1) and a fixing table (7-2), internal threads are formed in the cover cap (7-1), the cover nut (7) is in threaded connection with the bolt (1) through the cover cap (7-1), the fixing table (7-2) comprises a fixing table upper plane (7-3) and a downward flanging in transitional connection with the cover cap (7-1), the bottom of the flanging is a fixing table lower plane (7-4), the fixing table upper plane (7-3) is tightly pressed on a spring washer (6), and the fixing table lower plane (7-4) is tightly pressed on a rubber washer (5).