CN214698729U

CN214698729U - Bolt assembly

Info

Publication number: CN214698729U
Application number: CN202023266447.3U
Authority: CN
Inventors: 刘春梅
Original assignee: Suzhou Senqi Molding Technology Co ltd
Current assignee: Suzhou Senqi Molding Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-12
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a bolt assembly, concretely relates to bolt field, including nut, screw rod and nut, nut and screw rod casting shaping structure as an organic whole, its characterized in that, microscler recess has been seted up on the surface of screw rod, the screw thread hole has been seted up in the outside of nut, the inboard of screw thread hole is equipped with the locking bolt, the locking bolt includes a word end and locking screw, a word end and locking screw rod casting shaping structure as an organic whole, the screw thread has been seted up in the outside of locking screw rod, the inboard of screw thread hole is equipped with the thread groove with locking screw rod looks adaptation, the one end of locking screw rod and the inboard looks butt of microscler recess. Above-mentioned scheme, this bolt assembly passes through the grafting of nut and locking bolt, makes locking bolt's screw rod and the inboard meshing butt of microscler recess to carry out further meshing butt to the bolt through the threaded hole's of rotating nut surface word end, play the effect that prevents the rotatory not hard up of nut, improve bolt assembly under the vibration environment stabilizing effect.

Description

Bolt assembly

Technical Field

The utility model relates to a bolt technical field, more specifically say, the utility model specifically is a bolt assembly.

Background

A bolt is a mechanical part, and a cylindrical threaded fastener matched with a nut is a fastener consisting of a head part and a screw (a cylinder with external threads), and needs to be matched with the nut to be used for fastening and connecting two parts with through holes.

When the existing bolt is connected with some workpieces, the mode of bolt and gasket is needed to be adopted to prevent the bolt from loosening due to the self vibration of the workpieces, the quality problem exists in some cases because the worker neglects to not timely add the gasket to the bolt sleeve or the gasket, and the large production safety accident is easily caused due to the breakage or loosening of the bolt assembly on the high-strength working equipment, so that the huge loss is brought to personnel and enterprises.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a bolt assembly, this bolt assembly passes through the relative rotation of nut and screw rod, makes the locking screw rod of locking bolt and the inboard meshing butt of microscler recess to carry out further meshing butt to the bolt through a word end in the six screw holes on rotation nut surface, play the rotatory not hard up effect of nut, improve bolt assembly stabilization under the vibration environment, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides the following technical scheme, a bolt assembly, including nut, screw rod and nut, nut and screw rod are the integrated casting structure, the surface of screw rod has seted up microscler recess, the outside of nut has seted up the screw thread hole, the inboard of screw thread hole is equipped with the locking bolt, the outside activity of screw rod has cup jointed the gasket;

the locking bolt comprises a straight end and a locking screw rod, the straight end and the locking screw rod are of an integrated casting structure, threads are formed in the outer side of the locking screw rod, a thread groove matched with the locking screw rod is formed in the inner side of a thread inner hole, and one end of the locking screw rod is abutted to the inner side of the long groove.

Preferably, the inside of the long groove is provided with an annular groove inner line, and the surface of the annular groove inner line is sprayed with an oil-soluble corrosion inhibitor.

Preferably, the nut, the screw rod and the nut are alloy steel components, the screw rod is matched with the nut in threads, and the surfaces of the screw rod and the nut are sprayed with Teflon coatings.

Preferably, the gasket is an elastic gasket structure, and the gasket is a low-carbon steel component.

Preferably, the diameter of the locking bolt is 2-4mm, and the length of the locking bolt is equal to the sum of the ring diameter of the nut and the depth of the inner thread of the annular groove.

Preferably, the number of screw thread hole is six and be evenly distributed in the periphery of nut, microscler recess is vertical form and arranges.

Preferably, the quantity of antiskid boss is two and is the symmetric distribution in the top surface of nut, antiskid boss is the right angled inclined plane structure, antiskid boss's top surface is equipped with anti-skidding line, antiskid boss's right angle face is located the one side of the anti-spiral of nut.

The utility model discloses a technological effect and advantage:

1. in the scheme, the bolt assembly enables the screw rod of the locking bolt to be meshed and abutted with the inner side of the long groove through the insertion of the nut and the locking bolt, and further meshes and abuts the bolt through rotating the straight end head in the threaded hole in the surface of the nut, so that the effect of preventing the nut from rotating and loosening is achieved, and the stabilizing effect of the bolt assembly in a vibration environment is improved;

2. in the above scheme, the nut top surface of the bolt component utilizes the anti-slip boss of the nut top surface to be in butt friction with the surface of a connecting workpiece by arranging the convex anti-slip boss structure, and prevents the nut from automatically rotating and falling off by the right-angle surface of the anti-slip boss and the reverse arrangement of the rotation direction, so that the anti-loosening effect of the bolt is further improved.

Drawings

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

fig. 2 is a schematic view of the internal structure of the nut of the present invention;

fig. 3 is a schematic structural view of the locking bolt of the present invention;

fig. 4 is a schematic structural diagram of the outer side of the nut of the present invention;

fig. 5 is a schematic view of the long groove structure of the present invention.

The reference signs are:

1. a nut; 2. a screw; 3. a long groove; 4. a nut; 5. a gasket; 6. locking the bolt; 7. an anti-slip boss; 31. the annular groove is internally threaded; 41. a threaded inner bore; 42. a thread groove; 61. a straight end; 62. and locking the screw rod.

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 a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a bolt assembly as shown in fig. 1 to 5, which comprises a nut 1, a screw rod 2 and a nut 4, wherein the nut 1 and the screw rod 2 are of an integrally cast structure, a long groove 3 is formed on the surface of the screw rod 2, a threaded inner hole 41 is formed on the outer side of the nut 4, a locking bolt 6 is arranged on the inner side of the threaded inner hole 41, and a gasket 5 is movably sleeved on the outer side of the screw rod 2;

the locking bolt 6 comprises a straight end 61 and a locking screw 62, the straight end 61 and the locking screw 62 are of an integral casting structure, the outer side of the locking screw 62 is provided with threads, the inner side of a thread inner hole 41 is provided with a thread groove 42 matched with the locking screw 62, one end of the locking screw 62 is abutted with the inner side of a long groove 3, the inner part of the long groove 3 is provided with an annular groove inner thread 31, the surface of the annular groove inner thread 31 is sprayed with an oil-soluble corrosion inhibitor, the nut 1, the screw 2 and the nut 4 are alloy steel components, the threads of the screw 2 and the nut 4 are matched, the surfaces of the screw 2 and the nut 4 are sprayed with a Teflon coating, the gasket 5 is of an elastic gasket structure, the gasket 5 is a low-carbon steel component, the number of the thread inner holes 41 is six and is uniformly distributed on the periphery of the nut 4, the long groove 3 is vertically distributed, the diameter of the locking bolt 6 is 2-4mm, the length of the locking bolt 6 is equal to the sum of the ring diameter of the nut 4 and the depth of the ring groove inner thread 31.

As shown in fig. 2, the locking bolt 6 includes a straight end 61 and a locking screw 62, the straight end 61 and the locking screw 62 are integrally cast, the outer side of the locking screw 62 is threaded, the inner side of the threaded inner hole 41 is provided with a threaded groove 42 adapted to the locking screw 62, and one end of the locking screw 62 abuts against the inner side of the elongated groove 3.

Specifically, the locking bolt 6 is screwed to enable one end of the locking screw 62 to abut against the surface of the inner annular groove inner thread 31 of the long groove 3, so that the annular groove inner thread 31 is meshed and abutted with the locking screw 62 of the locking bolt 6, and the anti-loosening effect of the bolt is improved.

As shown in fig. 4, the quantity of anti-skidding boss 7 is two and be the symmetric distribution in the top surface of nut 4, and anti-skidding boss 7 is the right angle inclined plane structure, and anti-skidding boss 7's top surface is equipped with anti-skidding line, and anti-skidding boss 7's right angle face is located the one side of the anti-spiral of nut 4, through anti-skidding boss 7 right angle face and the reverse arrangement of turning to, prevents that nut 4's automatic rotation from droing.

The working process of the utility model is as follows:

when using, this bolt assembly passes through nut 4 and screw rod 2's relative rotation, make locking bolt 6's locking screw 62 and the inboard meshing butt of microscler recess 3, and carry out further meshing butt to the bolt through a word end 61 in six screw thread holes 41 on rotating nut 4 surface, play the rotatory not hard up effect to nut 4, improve bolt assembly's stable effect under the vibration environment, the right angle face of antiskid boss 7 is located the one side of the anti-spiral of nut 4, through the anti-reverse arrangement of antiskid boss 7 right angle face with the direction of turning, prevent that the automatic rotation of nut 4 from droing.

Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

finally, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bolt assembly comprises a nut (1), a screw rod (2) and a nut (4), wherein the nut (1) and the screw rod (2) are of an integrally cast structure, and the bolt assembly is characterized in that a long groove (3) is formed in the surface of the screw rod (2), a threaded inner hole (41) is formed in the outer side of the nut (4), a locking bolt (6) is arranged on the inner side of the threaded inner hole (41), a gasket (5) is movably sleeved on the outer side of the screw rod (2), and a plurality of anti-skidding bosses (7) are arranged on the top surface of the nut (4);

the locking bolt (6) comprises a word end (61) and a locking screw (62), the word end (61) and the locking screw (62) are of an integral casting structure, threads are formed in the outer side of the locking screw (62), a thread groove (42) matched with the locking screw (62) is formed in the inner side of a thread inner hole (41), and one end of the locking screw (62) is abutted to the inner side of the long groove (3).

2. The bolt assembly according to claim 1, characterized in that the inside of the elongated groove (3) is provided with an annular groove inner line (31), and the surface of the annular groove inner line (31) is coated with an oil-soluble corrosion inhibitor.

3. The bolt assembly according to claim 1, characterized in that the nut (1), the screw (2) and the nut (4) are alloy steel components, the screw (2) and the nut (4) are in thread fit, and the surfaces of the screw (2) and the nut (4) are coated with Teflon coatings.

4. The bolt assembly according to claim 1, characterized in that the washer (5) is a resilient washer structure, the washer (5) being a low carbon steel component.

5. The bolt assembly according to claim 1, characterized in that the locking bolt (6) has a diameter of 2-4mm, the length of the locking bolt (6) being equal to the sum of the ring diameter of the nut (4) and the depth of the annular groove inner thread (31).

6. The bolt assembly according to claim 1, characterized in that the number of threaded bores (41) is six and evenly distributed around the periphery of the nut (4), the elongated groove (3) being arranged vertically.

7. The bolt assembly according to claim 1, characterized in that the number of the anti-skid bosses (7) is two and is symmetrically distributed on the top surface of the nut (4), the anti-skid bosses (7) are in a right-angled inclined surface structure, the top surfaces of the anti-skid bosses (7) are provided with anti-skid threads, and the right-angled surfaces of the anti-skid bosses (7) are positioned on one side of the reverse spiral of the nut (4).