CN219774579U - Nut locking mechanism - Google Patents

Abstract

The utility model discloses a nut locking mechanism which comprises a bolt, wherein a bolt head is fixed on the bolt, a nut is sleeved on the bolt, through holes are formed in the bolt and the bolt head, an L-shaped connecting rod is arranged on the side part of the nut, the L-shaped connecting rod is connected with a limiting rod, and the limiting rod is positioned in the through hole; and a limiting component is arranged in the bolt head. The nut locking mechanism is provided with a limiting rod and a limiting component, when in use, the nut can drive the L-shaped connecting rod to transversely move in the transverse moving process of the bolt, the L-shaped connecting rod can drive the limiting rod to transversely move in the through hole in the bolt, after the nut is matched with the bolt head to fasten the mechanical parts, the limiting rod of the through hole can be fixed through the limiting component, and then the L-shaped connecting rod and the position of the nut are locked at the same time, so that the mechanical parts are not fastened enough due to loosening of the nut is prevented, and the stability of the mechanical parts is improved.

Description

Nut locking mechanism

Technical Field

The utility model relates to the technical field related to hardware fittings, in particular to a nut locking mechanism.

Background

Nuts are common mechanical parts in mechanical equipment, and are used in cooperation with bolts to fasten the mechanical parts.

The Chinese patent with the publication number of CN216895285U discloses a novel shackle nut end locking mechanism, which comprises a nut and a transverse pin, wherein the nut is sleeved at one end of the transverse pin, a clamping block is rotatably arranged at one end of the transverse pin, the clamping block is eccentrically connected with the transverse pin through a fastening device, and the edge of the nut is clamped after the clamping block rotates. The utility model has simple and practical structure and good locking effect.

To sum up, the above-mentioned patent locks the edge of the nut through the clamping block after rotating, thus realizing the locking of the nut, and making the nut not drop from the bolt, but the above-mentioned patent only can achieve the purpose of preventing the nut from falling off, the nut still moves on the bolt due to rotation, and it can not lock the position of the nut after installing, therefore the bolt and the nut in the above-mentioned patent still can have the problem of loosening of mechanical parts after fastening the mechanical parts.

Disclosure of Invention

The present utility model is directed to a nut locking mechanism, which solves the problem that the nut still moves on the bolt due to rotation and cannot lock the position of the nut after installation, only by preventing the nut from falling off in the above-mentioned patent.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a nut locking mechanism comprises a bolt,

the bolt is fixedly provided with a bolt head, the bolt is sleeved with a nut, through holes are formed in the bolt and the bolt head, an L-shaped connecting rod is arranged on the side part of the nut, the L-shaped connecting rod is connected with a limiting rod, and the limiting rod is positioned in the through hole;

the inside of bolt head is provided with spacing subassembly, spacing subassembly is used for spacing the transverse position of gag lever post and nut.

Through adopting above-mentioned technical scheme, when this nut sideslip on the bolt, can drive L shape connecting rod simultaneously and carry out lateral shifting, this L shape connecting rod can drive gag lever post lateral shifting in the inside through-hole of bolt, after the nut cooperation bolt head fastens mechanical parts, the gag lever post of accessible this spacing subassembly to the through-hole is fixed, and then lock the position of L shape connecting rod and nut simultaneously, so as to prevent that the nut takes place not hard up and leads to mechanical parts not enough to fasten, compare in the comparison case, this technical scheme can make the nut remove to the any position alignment of bolt and lock, its application range is wider.

Preferably, a clamping groove is formed in the side portion of the bolt, and the L-shaped connecting rod is located in the clamping groove.

Through adopting above-mentioned technical scheme, the draw-in groove can hold L shape connecting rod, and hidden design can make things convenient for the bolt to penetrate the mounting hole.

Preferably, the diameter of the through hole is the same as that of the limiting rod.

Through adopting above-mentioned technical scheme, when using, the gag lever post not only can play the effect that locks the nut, can also support the inside of bolt, and then can prevent that the bolt from taking place to warp after the pressurized.

Preferably, the side wall of the nut is rotationally connected with a swivel, and the swivel is fixedly connected with the L-shaped connecting rod.

Through adopting above-mentioned technical scheme, this nut can rotate on the swivel simultaneously when rotating on the bolt to this drives L shape connecting rod and spacing member lateral shifting.

Preferably, the limiting component comprises a threaded hole, the threaded hole is formed in the inside of the bolt head, the threaded hole is communicated with the through hole, an inner hexagonal rotating cover is arranged at the top of the bolt head and connected with a hexagonal rod, the hexagonal rod is arranged at the top of the threaded hole, an outer thread sleeve is sleeved on the outer side of the hexagonal rod, the outer thread sleeve is in threaded connection with the threaded hole, the outer thread sleeve is in contact with the limiting rod, and the inside of the outer thread sleeve is hexagonal.

Through adopting above-mentioned technical scheme, when the bolt head on the bolt and nut cooperation use and fasten mechanical parts back, accessible hexagonal spanner rotates interior hexagonal lid, makes interior hexagonal lid drive hexagonal pole and rotates, and the hexagonal pole can drive the external screw thread cover and rotate in the screw hole to drive external screw thread cover vertical movement in the screw hole, simultaneously, the external screw thread cover can slide in the hexagonal pole outside, so that the internal gag lever post of external screw thread cover extrusion through-hole locks it.

Preferably, a groove is formed in the side portion of the bolt head, and the inner hexagonal rotating cover is located in the groove.

Through adopting above-mentioned technical scheme, can make the lateral part of bolt head keep level to make things convenient for the staff to rotate the bolt head through the spanner when installation and dismantlement.

Compared with the prior art, the utility model has the beneficial effects that: the locking mechanism of the nut is provided with a locking mechanism,

(1) The nut can drive the L-shaped connecting rod to transversely move in the transverse moving process of the bolt when the nut is used, the L-shaped connecting rod can drive the limiting rod to transversely move in the through hole in the bolt, after the nut is matched with the bolt head to fasten a mechanical part, the limiting rod of the through hole can be fixed through the limiting assembly, and then the positions of the L-shaped connecting rod and the nut are locked at the same time, so that the situation that the mechanical part is not fastened enough due to loosening of the nut is prevented, and the stability of the mechanical part is improved;

(2) The clamping groove is formed in the side portion of the bolt, so that the L-shaped connecting rod can move in the clamping groove, the integrity of the bolt is guaranteed, and meanwhile the L-shaped connecting rod can be contained, so that the bolt penetrates into a mounting hole in a mechanical part.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the bolt of the present utility model;

FIG. 3 is a schematic top view of the L-shaped connecting rod and the stop lever of the present utility model;

FIG. 4 is a schematic side cross-sectional view of a bolt head according to the present utility model;

fig. 5 is a schematic top view of the hexagonal rod and the external thread bushing of the present utility model.

In the figure: 1. bolt, 2, bolt head, 3, nut, 4, draw-in groove, 5, through-hole, 6, swivel, 7, L shape connecting rod, 8, gag lever post, 9, spacing subassembly, 901, screw hole, 902, interior hexagonal turn lid, 903, hexagonal pole, 904, external screw thread cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: as shown in fig. 1, 2, 3, 4 and 5, a bolt head 2 is fixed on a bolt 1, a nut 3 is sleeved on the bolt 1, through holes 5 are formed in the bolt 1 and the bolt head 2, an L-shaped connecting rod 7 is arranged on the side part of the nut 3, the L-shaped connecting rod 7 is connected with a limiting rod 8, and the limiting rod 8 is positioned in the through hole 5;

the inside of bolt head 2 is provided with spacing subassembly 9, and spacing subassembly 9 is used for spacing the transverse position of gag lever post 8 and nut 3.

As shown in fig. 1 and 2, a clamping groove 4 is formed in the side portion of the bolt 1, and an l-shaped connecting rod 7 is located in the clamping groove 4.

As shown in fig. 1, 2 and 4, the diameter of the through hole 5 is the same as the diameter of the stopper rod 8.

As shown in fig. 1 and 3, the side wall of the nut 3 is rotatably connected with a swivel 6, and the swivel 6 is fixedly connected with an L-shaped connecting rod 7.

As shown in fig. 1, 4 and 5, the limiting component 9 comprises a threaded hole 901, the threaded hole 901 is formed in the bolt head 2, the threaded hole 901 is communicated with the through hole 5, an inner hexagonal rotating cover 902 is mounted at the top of the bolt head 2, the inner hexagonal rotating cover 902 is connected with a hexagonal rod 903, the hexagonal rod 903 is mounted at the top of the threaded hole 901, an outer thread sleeve 904 is sleeved on the outer side of the hexagonal rod 903, the outer thread sleeve 904 is in threaded connection with the threaded hole 901, the outer thread sleeve 904 is in contact with the limiting rod 8, and the inner part of the outer thread sleeve 904 is hexagonal.

As shown in fig. 4, the side of the bolt head 2 is provided with a groove, and the hexagon socket cap 902 is positioned in the groove.

Working principle: firstly, a bolt 1 is inserted into a mounting hole of a mechanical part, a bolt head 2 is abutted against one side of the mechanical part, a limit rod 8 is inserted into a through hole 5 in the bolt 1 from the other side of the mechanical part, an L-shaped connecting rod 7 is adjusted into a clamping groove 4 on the side of the bolt 1, a nut 3 is pushed to be sleeved on the bolt 1, the nut 3 is rotated to be matched with the bolt head 2 to fasten the mechanical part, after the mechanical part is fastened, an inner hexagonal rotating cover 902 and a hexagonal rod 903 are rotated through a hexagonal wrench, the hexagonal rod 903 drives an external thread sleeve 904 to rotate in a threaded hole 901, at the moment, the external thread sleeve 904 slides outside the hexagonal rod 903, and the limit rod 8 in the through hole 5 can be extruded by the external thread sleeve 904 to lock the limit rod.

This completes the entire operation and what is not described in detail in this specification is well known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. Nut locking mechanism, including bolt (1), its characterized in that:

the novel anti-theft bolt is characterized in that a bolt head (2) is fixed on the bolt (1), a nut (3) is sleeved on the bolt (1), through holes (5) are formed in the bolt (1) and the bolt head (2), an L-shaped connecting rod (7) is arranged on the side part of the nut (3), the L-shaped connecting rod (7) is connected with a limiting rod (8), and the limiting rod (8) is located in the through holes (5);

the inside of bolt head (2) is provided with spacing subassembly (9), spacing subassembly (9) are used for spacing the transverse position of gag lever post (8) and nut (3).

2. A nut locking mechanism as defined in claim 1, being characterized in that: clamping grooves (4) are formed in the side portions of the bolts (1), and the L-shaped connecting rods (7) are located in the clamping grooves (4).

3. A nut locking mechanism as defined in claim 1, being characterized in that: the diameter of the through hole (5) is the same as that of the limit rod (8).

4. A nut locking mechanism as defined in claim 1, being characterized in that: the side wall of the nut (3) is rotationally connected with a swivel (6), and the swivel (6) is fixedly connected with an L-shaped connecting rod (7).

5. A nut locking mechanism as defined in claim 1, being characterized in that: limiting component (9) are including screw hole (901), screw hole (901) are seted up inside bolt head (2), and screw hole (901) link up with through-hole (5) mutually, hexagon in the top of bolt head (2) is installed and is changeed lid (902), and hexagon in change lid (902) and be connected with hexagonal pole (903), hexagon pole (903) are installed in the top of screw hole (901), and the outside cover of hexagonal pole (903) is equipped with external screw thread cover (904), external screw thread cover (904) and screw hole (901) threaded connection, and external screw thread cover (904) are contacted with gag lever post (8), the inside of external screw thread cover (904) is the hexagon.

6. A nut lock mechanism as defined in claim 5, being characterized in that: the side part of the bolt head (2) is provided with a groove, and the inner hexagonal rotating cover (902) is positioned in the groove.