CN219452662U

CN219452662U - High-strength loosening nut

Info

Publication number: CN219452662U
Application number: CN202320300021.XU
Authority: CN
Inventors: 谢晶
Original assignee: Chaojie Connection System Jiangsu Co ltd
Current assignee: Chaojie Connection System Jiangsu Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-01
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a high-strength loosening nut, which comprises: the nut body is internally provided with a first through hole and an internal thread section; the flange plate is fixed at the bottom end of the nut body; the locking mechanism comprises four locking components, the four locking components are all installed on the flange plate, the four locking components are respectively located on four sides of the nut body, the four locking components comprise fixing blocks and the like, the bottom ends of the fixing blocks are fixed with the flange plate, the connecting rods penetrate through the fixing blocks and the nut body, the springs are sleeved on the connecting rods, the springs are located between the fixing blocks and the baffle plate, the baffle plate is fixed with the connecting rods, and the pull heads and the clamping blocks are respectively fixed at two ends of the connecting rods. According to the utility model, the nut body and the screw can be locked through the four locking components of the locking mechanism, so that random movement is prevented, and the stability and the tightness of the nut are improved.

Description

High-strength loosening nut

Technical Field

The utility model relates to a nut, in particular to a high-strength loosening nut.

Background

Nuts, that is, nuts, are used as fastening parts together with bolts or screws, and have a very wide range of applications, so that the nuts are used in various environments.

The Chinese patent with the patent number of 201821831532. X' discloses a nut, which comprises a nut body matched with a bolt, wherein one end of a threaded hole on the nut body forms a closed structure, and the other end of the threaded hole is used for screwing in the bolt; one end of the nut body far away from the closed structure is provided with a gasket for preventing the threaded body from scratching the car body.

The technical scheme of above-mentioned patent has played the effect of leak protection, and then has improved the quality of vehicle, but has following technical problem: in actual work, more than two joint parts are fixed by utilizing screws and nuts, however, when external load has vibration, change and high-temperature creep of materials, friction force between threaded connection is reduced, or under the influence of vibration, the phenomenon that the nuts are loosened and reversed can occur on the screws, when the nuts are loosened greatly or are separated from the screws, the fixing part area is easily caused, a light person is loosened, a heavy person is scattered, and further the locking performance of the nuts is reduced, and the fixing effect is poor.

Disclosure of Invention

In view of the above, the present utility model provides a high strength loosening nut to overcome the drawbacks of the prior art.

The utility model solves the technical problems by the following technical proposal: a high strength loose nut, comprising:

the nut body is internally provided with a first through hole and an internal thread section;

the flange plate is fixed at the bottom end of the nut body;

the locking mechanism comprises four locking components, the four locking components are all installed on the flange plate, the four locking components are respectively located on four sides of the nut body, the four locking components comprise fixing blocks, connecting rods, springs, pull heads, baffle plates and clamping blocks, the bottom ends of the fixing blocks are fixed with the flange plate, the connecting rods penetrate through the fixing blocks and the nut body, the springs are sleeved on the connecting rods, the springs are located between the fixing blocks and the baffle plates, the baffle plates are fixed with the connecting rods, and the pull heads and the clamping blocks are respectively fixed at two ends of the connecting rods.

Preferably, a plurality of reinforcing ribs which are distributed at equal intervals on the circumference are welded between the nut body and the flange plate.

Preferably, the flange plate is provided with a plurality of positioning holes and positioning rods, the positioning holes are arranged in an annular array by taking the center of the flange plate as the center of a circle, and each positioning hole is spliced with a corresponding positioning rod.

Preferably, a second through hole is formed in the middle of the flange plate and is communicated with the first through hole, the diameter of the first through hole is the same as that of the second through hole, and anti-skid patterns are formed in the bottom end of the flange plate.

Preferably, the nut body adopts the hexagon structure, and the outside of nut body is equipped with the connecting hole, and the connecting hole is the annular array with the center of nut body as the centre of a circle and is provided with a plurality of.

Preferably, the flange plate is provided with a threaded hole and a threaded rod, the threaded hole is in an annular array with the center of the flange plate as the center of the circle, and each threaded hole is in threaded connection with a corresponding threaded rod.

Preferably, the clamping block is spiral in shape.

The utility model has the positive progress effects that:

firstly, the internal thread section of the nut body is connected with the screw through threads, after the internal thread section of the nut body is connected with the screw through threads, the pull head is loosened, the spring is reset, the clamping block and the screw are effectively clamped through the elasticity of the spring, and loosening of the nut body and the screw can be avoided.

And secondly, positioning holes and positioning rods are arranged on the flange plate, the positioning holes are arranged in an annular array by taking the center of the flange plate as the center of a circle, each positioning hole is spliced with a corresponding positioning rod, and the positioning rods can be spliced with holes on a connected object, so that the positions of the flange plate are positioned, the high-strength loose nuts are further prevented from rotating at will, and the purpose of preventing looseness is realized.

Drawings

Fig. 1 is a schematic view showing a side structure of a high-strength loosening nut according to a first embodiment of the present utility model.

Fig. 2 is a schematic view of the other side structure of the high strength loosening nut (first embodiment).

Fig. 3 is a schematic view of the structure of the present utility model with the positioning rod removed.

Fig. 4 is a schematic diagram of the operation of the high strength loosening nut of the present utility model.

Fig. 5 is a schematic view showing a side structure of a high-strength loosening nut (second embodiment) according to the present utility model.

Fig. 6 is a schematic view of another side structure of the high-strength loosening nut (second embodiment).

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.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1 to 4, the high strength loosening nut of the present utility model includes:

the nut comprises a nut body 1, wherein a first through hole and an internal thread section are arranged in the nut body 1;

the flange plate 2 is fixed at the bottom end of the nut body 1;

the locking mechanism comprises four locking components, the four locking components are all arranged on the flange plate 2, the four locking components are respectively located on four sides of the nut body 1, the four locking components comprise a fixed block 3, a connecting rod 4, a spring 5, a pull head 6, a baffle 7 and a clamping block 8, the bottom end of the fixed block 3 is fixed with the flange plate 2, the connecting rod 4 penetrates through the fixed block 3 and the nut body 1, the spring 5 is sleeved on the connecting rod 4, the spring 5 is located between the fixed block 3 and the baffle 7, the baffle 7 is fixed with the connecting rod 4, and the pull head 6 and the clamping block 8 are respectively fixed at two ends of the connecting rod 4. The nut body 1 and the screw 15 can be locked by four locking components of the locking mechanism, so that random movement is prevented.

In this embodiment, a plurality of reinforcing ribs 9 distributed at equal intervals on the circumference are welded between the nut body 1 and the flange 2, and the reinforcing ribs 9 distributed at equal intervals on the circumference are beneficial to improving the connection strength of the nut body 1 and the flange 2, so as to prevent the nut body 1 from separating from the flange 2 in the use process.

In this embodiment, the flange 2 is provided with a positioning hole 10 and a positioning rod 11, the positioning hole 10 is arranged in an annular array with the center of the flange 2 as the center, each positioning hole 10 is inserted into a corresponding positioning rod 11, and the positioning rod 11 can be inserted into a hole on the connected object 14, so that the position of the flange 2 is positioned, the high-strength loose nut is further prevented from rotating at will, and the purpose of preventing looseness is achieved.

Further, as shown in fig. 2, a second through hole is arranged in the middle of the flange 2, the second through hole is communicated with the first through hole, the diameter of the first through hole is the same as that of the second through hole, the bottom end of the flange 2 is provided with anti-skid patterns 12, the anti-skid patterns 12 extend to the outer side of the flange 2 from the outer side of the through hole, and the friction force between the anti-skid patterns 12 and the flange 2 can be increased to help prevent the flange 2 from sliding on the surface of a connected object due to vibration.

In a preferred embodiment, the nut body 1 adopts a hexagonal head structure, the outer side of the nut body 1 is provided with a connecting hole 13, the connecting hole 13 is provided with a plurality of connecting holes 13 in an annular array by taking the center of the nut body 1 as the center of a circle, the connecting hole 13 can be matched with tools such as an L-shaped wrench, the hexagonal head structure can be matched with the hexagonal wrench, the internal thread section of the nut body 1 can be in threaded connection with a screw 15, multiple matching modes are realized, and the nut is convenient to use.

Further, the clamping block 8 is spiral in shape, thus conforming better to the surface of the screw 15.

The working principle of the utility model is as follows: the components of the utility model are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art through technical manuals or through routine experimental methods. When the nut is used, the pull head 6 is pulled outwards, the baffle 7 is driven by the connecting rod 4 to compress the spring 5, so that the clamping block 8 is not contacted with the screw 15, then the internal thread section of the nut body 1 is in threaded connection with the screw 15, after the threaded connection, the pull head 6 is loosened, the spring 5 is reset, the clamping block 8 and the screw 15 are effectively clamped by the elasticity of the spring 5, and the loosening of the nut body 1 and the screw 15 can be avoided, namely, the nut body 1 and the screw 15 can be locked by four locking components of the locking mechanism, random movement is prevented, and the stability and the tightness of the nut are improved; when the nut is required to be disassembled, the pull head 6 is pulled outwards to enable the clamping block 8 not to be in contact with the screw 15, the nut body 1 is rotated, the nut body 1 and the screw 15 are in threaded connection release, and the disassembly and the assembly are convenient.

Example two

As shown in fig. 5 and 6, the second embodiment is basically the same as the first embodiment, and is different in that the flange 2 is provided with a threaded hole 16 and a threaded rod 17, that is, the threaded hole 16 and the threaded rod 17 of the second embodiment replace the positioning hole 10 and the positioning rod 11 of the first embodiment, the threaded holes 16 are arranged in an annular array with the center of the flange 2 as the center, each threaded hole 16 is in threaded connection with a corresponding threaded rod 17, and the threaded rod 17 can be in threaded connection with the threaded hole on the connected object 14, so that the position of the flange 2 is positioned, the random rotation of the high-strength loosening nut is further prevented, and the purpose of preventing loosening is achieved.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A high strength loose nut, comprising:

the nut comprises a nut body (1), wherein a first through hole and an internal thread section are arranged in the nut body (1);

the flange plate (2), the flange plate (2) is fixed at the bottom end of the nut body (1);

the locking mechanism comprises four locking components, the four locking components are all installed on the flange plate (2), the four locking components are respectively located on four sides of the nut body (1), the four locking components comprise fixing blocks (3), connecting rods (4), springs (5), pull heads (6), baffle plates (7) and clamping blocks (8), the bottom ends of the fixing blocks (3) are fixed with the flange plate (2), the connecting rods (4) penetrate through the fixing blocks (3) and the nut body (1), the springs (5) are sleeved on the connecting rods (4), the springs (5) are located between the fixing blocks (3) and the baffle plates (7), the baffle plates (7) are fixed with the connecting rods (4), and the pull heads (6) and the clamping blocks (8) are respectively fixed at two ends of the connecting rods (4).

2. A high strength loosening nut as claimed in claim 1, characterised in that a plurality of circumferentially equidistant stiffening ribs (9) are welded between the nut body (1) and the flange (2).

3. The high-strength loosening nut according to claim 1, wherein the flange plate (2) is provided with a positioning hole (10) and a positioning rod (11), the positioning holes (10) are arranged in an annular array with the center of the flange plate (2) as the center of a circle, and each positioning hole (10) is spliced with a corresponding positioning rod (11).

4. The high-strength loosening nut according to claim 1, wherein a second through hole is formed in the middle of the flange plate (2), the second through hole is communicated with the first through hole, the diameter of the first through hole is the same as that of the second through hole, and anti-slip patterns (12) are formed on the bottom end of the flange plate (2).

5. The high-strength loosening nut as claimed in claim 1, wherein the nut body (1) adopts a hexagonal head structure, the outer side of the nut body (1) is provided with a plurality of connecting holes (13), and the connecting holes (13) are arranged in an annular array with the center of the nut body (1) as a circle center.

6. The high-strength loosening nut according to claim 1, wherein the flange (2) is provided with threaded holes (16) and threaded rods (17), the threaded holes (16) are arranged in an annular array with the center of the flange (2) as the center, and each threaded hole (16) is in threaded connection with a corresponding threaded rod (17).

7. A high strength loose nut as claimed in claim 1, characterized in that the clamping block (8) is spiral in shape.