CN222163178U

CN222163178U - Double-head anti-loosening spring nut assembly

Info

Publication number: CN222163178U
Application number: CN202420507850.XU
Authority: CN
Inventors: 顾明峰; 翁炳仁; 秦松华
Original assignee: Shanghai Pikuo Machinery Parts Co ltd
Current assignee: Shanghai Pikuo Machinery Parts Co ltd
Priority date: 2024-03-15
Filing date: 2024-03-15
Publication date: 2024-12-13
Anticipated expiration: 2034-03-15

Abstract

The utility model discloses a double-head anti-loose spring nut component which comprises a main nut and bolts, wherein the top end of the main nut is fixedly connected with a limiting plate, limiting rings are arranged in the middle of the limiting plate, two limiting rings are arranged, the open ends and the tail ends of the limiting rings are fixedly connected with connecting blocks, the top ends of the connecting blocks are provided with small bolts, the right ends of the small bolts are provided with the small nuts, the connecting blocks can be moved relatively by screwing the small nuts so as to drive the limiting rings to tighten.

Description

Double-end locking spring nut assembly

Technical Field

The utility model relates to the technical field of nuts, in particular to a double-head anti-loose spring nut assembly.

Background

The spring screw can be riveted on the iron plate and can be screwed in and out freely, and the integral piece can be firmly embedded on the panel without separating from the panel, so the integral piece is also called without separating from the screw. The outer circle of the hand tightening sleeve is generally pressed with straight-line teeth so as to facilitate hand tightening or manual tightening, so that the hand tightening screw or the hand tightening screw is also called.

The existing double-headed nut component cannot be locked, is connected with a bolt through an inner side thread only, and is easy to loosen on equipment generating vibration, so that product loss is caused.

Accordingly, there is a need to provide a double ended locknut assembly that solves the above-described problems.

Disclosure of utility model

In order to overcome the structural defects in the prior art, the utility model provides a double-ended anti-loose spring nut assembly.

In order to solve the technical problems, the double-end anti-loose spring nut assembly comprises a main nut and bolts and is characterized in that the top end of the main nut is fixedly connected with a limiting plate, limiting rings are arranged in the middle of the limiting plate, the number of the limiting rings is two, the open ends and the tail ends of the limiting rings are fixedly connected with connecting blocks, the top ends of the connecting blocks are provided with small bolts, and the right ends of the small bolts are provided with small nuts which can enable the connecting blocks to move relatively by screwing the small nuts, so that the limiting rings are driven to be tightened.

Preferably, the limiting plate is a curved plate, the curved plate is closer to the bolt, the limiting plate is perpendicular to the main nut, the limiting plate is provided with four limiting plates, the limiting plates are arranged at equal intervals, internal threads are arranged in the limiting plates, the internal threads are consistent with those of the main nut, and the limiting rings can drive the limiting plates to tighten when tightening.

Preferably, the top end of the bolt is provided with a main nut, the bottom end of the main nut is provided with a spring gasket, and the bottom end of the spring gasket is provided with an embedded nut.

Preferably, the bottom end of the main nut is fixedly connected with the bottom ring.

Preferably, the bottom ring is sized to conform to the size of the spring spacer.

Preferably, the size of the embedded nut is consistent with that of the main nut, and the embedded nut is a hexagonal nut.

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

(1) According to the utility model, through the structure that the main nut is arranged on the bolt, the limiting plate on the main nut is attached to the bolt, and then the small nut is screwed down, so that the two connecting blocks relatively move, the limiting ring is driven to be reduced, the limiting plate is extruded, the inner wall of the limiting plate is extruded on the bolt, the stability of the main nut is increased, and looseness caused by vibration is prevented.

(2) According to the utility model, through the structure of the main nut and the embedded nut, the main nut can effectively increase the pressure when the embedded nut is in spiral ascending, and the main nut is not easy to loosen due to the self structure of the main nut, so that the probability of loosening of a product is further reduced due to the structure of the main nut and the embedded nut, and the embedded nut is simple in integral structure and convenient to operate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the utility model at A in FIG. 1;

wherein, 1, a main nut, 2, a bolt, 3, a limiting plate, 4, a limiting ring, 5, a connecting block, 6, a small bolt, 7, a small nut, 8, an internal thread, 9, a spring gasket, 10, an embedded nut, 11 and a bottom ring;

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples:

The utility model provides a double-head anti-loose spring nut assembly, which comprises a main nut 1 and bolts 2 and is characterized in that the top end of the main nut 1 is fixedly connected with a limiting plate 3, limiting rings 4 are arranged in the middle of the limiting plate 3, two limiting rings 4 are arranged, the open ends and the tail ends of the limiting rings 4 are fixedly connected with connecting blocks 5, small bolts 6 are arranged at the top ends of the connecting blocks 5, small nuts 7 are arranged at the right ends of the small bolts 6, the small nuts 7 can enable the connecting blocks 5 to relatively move through tightening the small nuts 7, so that the limiting rings 4 are driven to tighten, the limiting rings 4 are annular rings, a notch is formed in each annular ring, then the small bolts 6 penetrate through the two connecting blocks 5, and when the limiting rings 4 are tightened, the limiting rings 3 are extruded, so that the inner walls of the limiting plates 3 are extruded on the bolts 2, and the stability of the main nut 1 is improved.

In this embodiment, specifically, limiting plate 3 is curved plate, and it is pressed close to bolt 2 more, limiting plate 3 perpendicular to main nut 1, and limiting plate 3 are equipped with four, limiting plate 3 becomes the equidistance and arranges the installation, and is equipped with internal thread 8 in the limiting plate 3, internal thread 8 is unanimous with the internal thread 8 of main nut 1, and can drive limiting plate 3 and tighten up when spacing ring 4 tightens up.

In this embodiment, specifically, the top end of the bolt 2 is provided with the main nut 1, the bottom end of the main nut 1 is provided with the spring washer 9, and the bottom end of the spring washer 9 is provided with the embedded nut 10, where the spring washer 9 can play a role of preventing loosening and increasing pretightening force, while the flat washer has no such role, and then can also be used to increase fastening contact area, prevent friction between the bolt and the workpiece, protect the surface of the connecting piece from scratching the surface of the workpiece when the bolt and the nut are screwed, and then the embedded nut 10 can further increase overall stability.

In this embodiment, specifically, the bottom end of the main nut 1 is fixedly connected with the bottom ring 11, which is convenient for the engagement of the spring washer 9.

In this embodiment, specifically, the size of the bottom ring 11 is consistent with that of the spring washer 9, so that the overall structure is more compact.

In this embodiment, specifically, the size of the embedded nut 10 is identical to that of the main nut 1, and is a hexagonal nut, where the hexagonal nut is often used in occasions where assembly and disassembly are often required.

The working principle is that an embedded nut 10 is firstly arranged in a bolt 2, then a spring gasket 9 is arranged on the bolt 2, then a main nut 1 is arranged on the spring gasket 9, then a limiting plate 3 on the main nut 1 is attached to the bolt 2, then two connecting blocks 5 are relatively moved by screwing a small nut 7, so that a limiting ring 4 is driven to be contracted, the limiting plate 3 is extruded, the inner wall of the limiting plate 3 is extruded to the bolt 2, the stability of the main nut 1 is increased, looseness caused by vibration is prevented, and the limiting plate 3 loses pressure only by unscrewing the small nut 7 when the main nut 1 is disassembled, so that a normal model is recovered.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A double-headed anti-loosening spring nut assembly, comprising a main nut (1) and a bolt (2), characterized in that: the top of the main nut (1) is fixedly connected to a limit plate (3), a limit ring (4) is provided in the middle of the limit plate (3), and two limit rings (4) are provided, the opening and the end of the limit ring (4) are fixedly connected to a connecting block (5), a small bolt (6) is provided at the top of the connecting block (5), and a small nut (7) is provided at the right end of the small bolt (6), which can make the connecting block (5) move relatively by tightening the small nut (7), thereby driving the limit ring (4) to tighten.

2. A double-headed anti-loosening spring nut assembly according to claim 1, characterized in that: the limit plate (3) is a curved plate, which is closer to the bolt (2), the limit plate (3) is perpendicular to the main nut (1), and there are four limit plates (3), the limit plates (3) are installed in an equidistant arrangement, and an internal thread (8) is provided in the limit plate (3), the internal thread (8) is consistent with the internal thread (8) of the main nut (1), and when the limit ring (4) is tightened, it will drive the limit plate (3) to tighten.

3. A double-headed anti-loosening spring nut assembly according to claim 1, characterized in that: a main nut (1) is provided at the top end of the bolt (2), a spring washer (9) is provided at the bottom end of the main nut (1), and an embedded nut (10) is provided at the bottom end of the spring washer (9).

4. A double-headed anti-loosening spring nut assembly according to claim 2, characterized in that the bottom end of the main nut (1) is fixedly connected to a bottom ring (11).

5. A double-headed anti-loosening spring nut assembly according to claim 4, characterized in that the size of the bottom ring (11) is consistent with the size of the spring washer (9).

6. A double-headed anti-loosening spring nut assembly according to claim 3, characterized in that the size of the embedded nut (10) is consistent with the size of the main nut (1) and is a hexagonal nut.