CN218953786U - Multi-aspect reinforced anti-loosening connecting bolt - Google Patents

Abstract

The utility model provides a multi-aspect reinforced anti-loosening connecting bolt which comprises a fastening bolt, an anti-loosening nut and an anti-loosening gasket, wherein the fastening bolt and the anti-loosening nut are connected together through threads, the anti-loosening gasket is arranged on the inner side of the anti-loosening nut, and the anti-loosening nut is meshed with the anti-loosening gasket; the fastening bolt comprises a bolt rod and a bolt head, and the bolt rod of the fastening bolt is connected with the anti-loose nut. The anti-loosening nut and the anti-loosening gasket structure can be designed to avoid the possibility of loosening of the integral fastener, and the anti-loosening nut and the anti-loosening gasket are mutually restrained, so that the anti-loosening nut and the anti-loosening gasket are prevented from loosening due to each other, and the loosening problem is avoided to the greatest extent.

Description

Multi-aspect reinforced anti-loosening connecting bolt

Technical Field

The utility model belongs to the technical field of anti-drop bolts, and particularly relates to a multi-aspect reinforced anti-drop connecting bolt.

Background

The bolt is a fastener consisting of a head part and a bolt rod and is used for fastening and connecting two parts with through holes, the bolt is fastened by virtue of friction force between threads, and the friction force is easily influenced by external factors such as vibration, impact and the like, so that a large number of different anti-loosening bolts are generated. At present, the anti-loosening bolt is only used for carrying out structural design on the bolt rod, the possibility of loosening of the bolt rod can be prevented only in a unilateral manner, the overall anti-loosening design can be influenced along with the influence of subsequent external factors, the problem of unsatisfactory anti-loosening effect can be caused, the factors can also influence the gasket and the nut, and then the gasket and the nut are loosened and shed.

Therefore, it is necessary to provide a multi-aspect reinforced anti-loosening connecting bolt.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a multi-aspect reinforced anti-loosening connecting bolt, which comprises a fastening bolt, an anti-loosening nut and an anti-loosening gasket, wherein the fastening bolt and the anti-loosening nut are connected together through threads, the anti-loosening gasket is arranged on the inner side of the anti-loosening nut, and the anti-loosening nut is meshed with the anti-loosening gasket; the fastening bolt comprises a bolt rod and a bolt head, and the bolt rod of the fastening bolt is connected with the anti-loose nut.

Preferably, the anti-loosening nut comprises a hexagonal nut, a nut screw hole and engaging protrusions, the hexagonal nut is a nut made of hexagonal nuts, the center of the hexagonal nut is provided with the nut screw hole in a penetrating mode, and the periphery of the nut screw hole is provided with a plurality of engaging protrusions.

Preferably, the engaging protrusions are arranged on the surface of the hexagonal nut in a circular array, the engaging protrusions are protrusions made of right-angled triangles, and one corner of each engaging protrusion is a round corner.

Preferably, the locking gasket that takes off includes meshing gasket, high gasket, draws ear piece, linking screw, receive and releases recess, extension spring and receive and releases the arch, and the meshing gasket is provided with two altogether, and the below of meshing gasket is provided with high gasket, installs the ear piece that draws of U type on the high gasket, links up the screw and runs through the meshing gasket and high gasket and install together, has seted up on the meshing gasket and has received and released the recess, receive and releases recess internally mounted and has extension spring, and extension spring links to each other with receive and releases the arch.

Preferably, the engaging pad and the height pad are both semi-circular pads, a retractable groove is formed in the upper surface of the engaging pad, the retractable groove is a groove formed in a fan shape, and a plurality of retractable grooves are formed in the retractable groove.

Preferably, the bottom of the inner side of the retraction groove is connected with the lower end of the telescopic spring, the upper end of the telescopic spring is connected with the retraction protrusion, and the shape of the retraction protrusion corresponds to the shape of the engagement protrusion.

Compared with the prior art, the utility model has the following beneficial effects:

the anti-loosening nut and the anti-loosening gasket are designed to be used in a mutually matched mode, the installation mode of the anti-loosening gasket can prevent the anti-loosening nut from rotating and driving the anti-loosening nut to rotate, the anti-loosening gasket is used for restraining the anti-loosening nut and preventing the anti-loosening nut from rotating independently, and therefore the anti-loosening nut and the anti-loosening gasket are doubly limited, and the possibility of loosening and falling of an integral bolt connecting piece is avoided, and the method is approximately as follows: the anti-loosening gasket is preferentially installed in the threaded counter bore through the connecting screw, at the moment, the fastening bolt penetrates through the threaded counter bore and the anti-loosening nut is tightened until the anti-loosening nut and the anti-loosening gasket are contacted, at the moment, the anti-loosening nut and the anti-loosening gasket are meshed with each other, and therefore the anti-loosening nut is prevented from loosening and falling.

Drawings

Fig. 1 is a schematic illustration of the unassembled structure of the present utility model.

Fig. 2 is a schematic view of a partial cross-sectional structure of the anti-loosening pad of fig. 1 according to the present utility model.

Fig. 3 is a schematic view of the locknut of fig. 1 according to the present utility model.

In the figure:

the anti-loosening device comprises a fastening bolt 1, an anti-loosening nut 2, a hexagonal nut 21, a nut screw hole 22, an engagement protrusion 23, an anti-loosening gasket 3, an engagement gasket 31, a height gasket 32, a pull lug 33, an engagement screw 34, a retraction groove 35, a telescopic spring 36 and a retraction protrusion 37.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution of the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In the description of the embodiments, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3:

the utility model provides a multi-aspect reinforced anti-loosening connecting bolt which comprises a fastening bolt 1, an anti-loosening nut 2 and an anti-loosening gasket 3, wherein the fastening bolt 1 and the anti-loosening nut 2 are connected together through threads, the anti-loosening gasket 3 is arranged on the inner side of the anti-loosening nut 2, and the anti-loosening nut 2 is meshed with the anti-loosening gasket 3; the fastening bolt 1 comprises a bolt rod and a bolt head, and the bolt rod of the fastening bolt 1 is connected with the anti-loosening nut 2; the general flow of the installation of the locknut 2 and lockwasher 3 with the components is as follows: the anti-loosening gasket 3 is preferentially installed in the threaded counter bore through the engagement screw 34 (the threaded counter bore is the counter bore originally formed in the part, and the threaded hole in which the engagement screw 34 is installed is independently formed in the threaded counter bore), at this time, the fastening bolt 1 penetrates through the threaded counter bore, the anti-loosening nut 2 is tightened until the anti-loosening nut 2 contacts with the anti-loosening gasket 3, at this time, the anti-loosening nut 2 and the anti-loosening gasket 3 are mutually meshed, and therefore the anti-loosening nut 2 is prevented from loosening and falling.

Embodiment one:

specifically, the engaging protrusions 23 are disposed on the surface of the hexagonal nut 21 in a circular array, the engaging protrusions 23 are protrusions made of right-angled triangles, one corner of each engaging protrusion 23 is a rounded corner, the rounded corner of each engaging protrusion 23 is in contact with the rounded corner of the corresponding accommodating protrusion 37, and the rounded corners can enable the contact between the engaging protrusions 23 and the accommodating protrusions 37 to be smoother.

Specifically, the engaging spacer 31 and the height spacer 32 are both made of semi-circles, the engaging spacer 31 and the height spacer 32 are mounted on a part through the engaging screw 34, after the engaging screw 34 is dismounted through a tool, the height spacer 32 is pulled out, the whole engaging spacer 31 can be dismounted, the folding and unfolding groove 35 is formed in the upper surface of the engaging spacer 31, the folding and unfolding groove 35 is a groove made of a fan shape, a plurality of folding and unfolding grooves 35 are formed, the folding and unfolding groove 35 can be rotationally displaced by the folding and unfolding protrusions 37, the folding and unfolding protrusions 37 can rotate at an obtuse angle in the folding and unfolding grooves 35, and the inner wall of the folding and unfolding groove 35 is not contacted with the folding and unfolding protrusions 37.

Specifically, the bottom of the inner side of the retraction groove 35 is connected with the lower end of the retraction spring 36, the upper end of the retraction spring 36 is connected with the retraction protrusion 37, the shape of the retraction protrusion 37 corresponds to the shape of the engagement protrusion 23, the oblique sides of the retraction protrusion 37 and the engagement protrusion 23 are contacted with each other, when in engagement, the straight line planes of the retraction protrusion 37 and the engagement protrusion 23 are contacted, and the round angle of the retraction protrusion 37 is propped against the surface of the hexagonal nut 21 to be in point contact with the surface of the hexagonal nut 21.

Embodiment two:

the defects or problems in the prior art are mainly solved by the anti-loosening nut 2 and the anti-loosening gasket 3: the screw thread counter bore is formed in the part to be connected, two miniature screw holes are formed in the screw thread counter bore, after the screw thread counter bore is formed, the bolt rod of the fastening bolt 1 penetrates through the part, the anti-loosening gasket 3 penetrates through the bolt rod to be in contact with the surface of the part, the anti-loosening nut 2 is fixed on the part through the connecting screw 34, at the moment, when the anti-loosening nut 2 is quickly contacted with the meshing gasket 31 of the anti-loosening gasket 3, the meshing bulge 23 of the anti-loosening nut 2 is preferentially contacted with the retraction bulge 37, the retraction bulge 37 is contracted in the retraction groove 35 when the anti-loosening nut 2 is completely tightened, the meshing bulge 23 and the retraction bulge 37 are meshed together, so far, the anti-loosening nut is not reversely disassembled, and the problem of loosening caused by external factors is avoided.

By utilizing the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical scheme falls into the protection scope of the utility model.

Claims (6)

1. The anti-loosening connecting bolt is characterized by comprising a fastening bolt (1), an anti-loosening nut (2) and an anti-loosening gasket (3), wherein the fastening bolt (1) and the anti-loosening nut (2) are connected together through threads, the anti-loosening gasket (3) is arranged on the inner side of the anti-loosening nut (2), and the anti-loosening nut (2) is meshed with the anti-loosening gasket (3); the fastening bolt (1) comprises a bolt rod and a bolt head, and the bolt rod of the fastening bolt (1) is connected with the anti-loose nut (2).

2. The multiple aspect reinforced anti-loosening connecting bolt of claim 1, wherein: the anti-loosening nut (2) comprises a hexagonal nut (21), a nut screw hole (22) and a meshing protrusion (23), wherein the hexagonal nut (21) is a nut made of hexagonal, the nut screw hole (22) is penetrated through the center of the hexagonal nut (21), and a plurality of meshing protrusions (23) are arranged on the periphery of the nut screw hole (22).

3. The multiple aspect reinforced anti-loosening connecting bolt of claim 2, wherein: the engaging projections (23) are arranged on the surface of the hexagonal nut (21) in a circular array, the engaging projections (23) are projections made of right-angled triangles, and one corner of each engaging projection (23) is a round corner.

4. The multiple aspect reinforced anti-loosening connecting bolt of claim 1, wherein: the anti-loosening gasket (3) comprises two meshing gaskets (31), a height gasket (32), a lug pulling block (33), a connecting screw (34), a winding and unwinding groove (35), an extension spring (36) and a winding and unwinding protrusion (37), wherein the two meshing gaskets (31) are arranged below the meshing gaskets (31), the U-shaped lug pulling block (33) is arranged on the height gasket (32), the connecting screw (34) is used for penetrating and installing the meshing gaskets (31) and the height gasket (32), the winding and unwinding groove (35) is formed in the meshing gaskets (31), the extension spring (36) is arranged in the winding and unwinding groove (35), and the extension spring (36) is connected with the winding and unwinding protrusion (37).

5. The multiple aspect reinforced anti-loosening connecting bolt as claimed in claim 4, wherein: the meshing gasket (31) and the height gasket (32) are both gaskets made of semi-circles, a retractable groove (35) is formed in the upper surface of the meshing gasket (31), the retractable groove (35) is a groove made of a fan shape, and a plurality of retractable grooves (35) are formed.

6. The multiple aspect reinforced anti-loosening connecting bolt as claimed in claim 4, wherein: the bottom of the inner side of the retraction groove (35) is connected with the lower end of the telescopic spring (36), the upper end of the telescopic spring (36) is connected with the retraction protrusion (37), and the shape of the retraction protrusion (37) corresponds to the shape of the engagement protrusion (23).

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