CN220227465U

CN220227465U - Anti-rotation step nut

Info

Publication number: CN220227465U
Application number: CN202321922864.XU
Authority: CN
Inventors: 傅愈兵; 李金文
Original assignee: Xiamen Jingetong Industry And Trade Co ltd
Current assignee: Xiamen Jingetong Industry And Trade Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-22
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses an anti-rotation step nut, which belongs to the technical field of connecting nuts and comprises wedge-shaped gaskets, wherein clamping grooves are formed in the bottoms of the wedge-shaped gaskets, positioning blocks are fixedly arranged on the upper surfaces of the wedge-shaped gaskets, and limiting holes are formed in the side surfaces of the positioning blocks.

Description

Anti-rotation step nut

Technical Field

The utility model relates to the technical field of connecting nuts, in particular to an anti-rotation step nut.

Background

Nuts are parts which are screwed together with bolts or screws to play a role in fastening, and all components which are necessary for manufacturing machines are classified into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials, and can be called step nuts, and can be connected with screws and the like through the nuts.

Connect through the nut for can link together between the different objects, be difficult for appearing not hard up condition, make the combination that different objects can be more permanent together.

However, after the nut is installed, reverse rotation can occur through long-time vibration and the like, and finally loosening and falling-off occur.

Based on the above, the utility model designs an anti-rotation step nut to solve the above problems.

Disclosure of Invention

The utility model aims to provide an anti-rotation step nut so as to solve the technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the nut comprises a wedge-shaped gasket, wherein a clamping groove is formed in the bottom of the wedge-shaped gasket, a positioning block is fixedly arranged on the upper surface of the wedge-shaped gasket, a limiting hole is formed in the side face of the positioning block, a nut body is rotatably arranged on the upper surface of the wedge-shaped gasket, a limiting block is fixedly arranged at the bottom of the nut body, and a plug rod is fixedly arranged on the side face of the limiting block.

Preferably, the number of the clamping grooves is three, and the three clamping grooves are uniformly arranged at the bottom of the wedge-shaped gasket.

Preferably, the limiting holes penetrate through the positioning block, a plurality of limiting holes are formed in the limiting holes, and the limiting holes are uniformly arranged on the side face of the positioning block.

Preferably, the two limiting holes are arranged in a group, the side area of each limiting hole is larger than that of the corresponding plugging rod, and the limiting holes and the plugging rods are arranged on the same circumferential surface.

Preferably, the plurality of positioning blocks are arranged on the upper surface of the wedge-shaped gasket uniformly, and the plurality of positioning blocks are not contacted.

Preferably, the height of the positioning blocks is the same as that of the limiting block, and the lower surface area of the limiting block is smaller than the lower surface area between the two positioning blocks.

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

when the nut is used, the two wedge-shaped gaskets are sequentially connected with threaded structures such as bolts and the like, meanwhile, the clamping grooves at the bottoms of the two wedge-shaped gaskets are mutually clamped, the situation that the wedge-shaped gaskets move respectively is prevented, the nut body and the structures such as the bolts are rotated, the nut body is placed on the upper surface of the wedge-shaped gaskets, the limiting block enters a gap between the two positioning blocks, the nut body is rotated, the limiting block moves towards the positioning blocks, the inserting rod further penetrates through the positioning blocks through the limiting holes, the nut body can be stably installed through friction force between the positioning blocks and the inserting rod, the nut body can be installed for a longer time, and loosening and falling situations are not easy to occur.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of the overall structure of the present embodiment;

FIG. 2 is an enlarged schematic view of the structure of the embodiment A;

FIG. 3 is a bottom view of the nut body structure of the present embodiment;

fig. 4 is an enlarged schematic view of the structure of the embodiment B.

In the drawings, the list of components represented by the various numbers is as follows:

1. a wedge-shaped gasket; 2. a clamping groove; 3. a positioning block; 4. a limiting hole; 5. a nut body; 6. a limiting block; 7. and (5) inserting a connecting rod.

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. 1-4, the present utility model provides a technical solution: the utility model provides an anti-rotation step nut, includes wedge shape gasket 1, and clamping groove 2 has been seted up to wedge shape gasket 1's bottom, and wedge shape gasket 1's upper surface fixed mounting has locating piece 3, and spacing hole 4 has been seted up to locating piece 3's side, and wedge shape gasket 1's upper surface rotation installs nut body 5, and nut body 5's bottom fixed mounting has stopper 6, and stopper 6's side fixed mounting has plug rod 7.

Preferably, the three clamping grooves 2 are uniformly arranged at the bottom of the wedge-shaped gasket 1, in this embodiment, the three clamping grooves 2 enable the two wedge-shaped gaskets 1 to be connected together, and further the two wedge-shaped gaskets can uniformly move, so that sliding teeth and other conditions are prevented, the nut body 5 needs larger force during rotation, and the nut body is not easy to reversely rotate and loose.

Preferably, the limiting hole 4 passes through the positioning block 3, and the limiting holes 4 are provided in a plurality, and the limiting holes 4 are uniformly arranged on the side surface of the positioning block 3, in this embodiment, the limiting holes 4 pass through the positioning block 3 so that the plugging rod 7 can fully pass through the positioning block 3, and more friction force is generated.

Preferably, two spacing holes 4 are a set of arrangement installation, and the lateral surface of spacing hole 4 is greater than the lateral surface of peg graft pole 7, and spacing hole 4 and peg graft pole 7 are at same periphery, and in this embodiment, spacing hole 4 two are a set of arrangement, and peg graft pole 7 is also two for a set of arrangement, can produce bigger frictional force through a plurality of spacing hole 4 and a plurality of peg graft pole 7, and nut body 5 guarantee that peg graft pole 7 can insert the inside of spacing hole 4 through rotating when rotating.

Preferably, the positioning blocks 3 are provided in a plurality, and the plurality of positioning blocks 3 are uniformly arranged and installed on the upper surface of the wedge-shaped gasket 1, and the plurality of positioning blocks 3 are not contacted, in this embodiment, the plurality of positioning blocks 3 can be combined with the plurality of limiting blocks 6 for use, and further the nut body 5 can be limited and clamped.

Preferably, the height of the positioning blocks 3 is the same as the height of the limiting block 6, and the lower surface area of the limiting block 6 is smaller than the lower surface area between the two positioning blocks 3, in this embodiment, the positioning blocks 3 can be attached to the limiting block 6 on the wedge-shaped gasket 1, so that the nut body 5 can be better connected with the wedge-shaped gasket 1, and further the nut body 5 is more stably installed.

One specific application of this embodiment is:

the two wedge-shaped gaskets 1 are sequentially connected with threaded structures such as bolts and the like, meanwhile, the clamping grooves 2 at the bottoms of the two wedge-shaped gaskets 1 are mutually clamped, then the nut body 5 and the structures such as the bolts are rotated, the nut body 5 is placed on the upper surface of the wedge-shaped gaskets 1, the limiting block 6 enters a gap between the two positioning blocks 3, then the nut body 5 is rotated, the limiting block 6 moves towards the positioning blocks 3, and the inserting rod 7 further penetrates through the positioning blocks 3 through the limiting holes 4.

In sum, through structure such as wedge gasket 1, joint groove 2, locating piece 3, spacing hole 4, nut body 5 and spliced pole 7, can play nut body 5 installation time more for a long time, be difficult for appearing the effect of conditions such as becoming flexible and drop.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in 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 orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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. An anti-rotation step nut comprising a wedge-shaped gasket (1), characterized in that: clamping grooves (2) are formed in the bottom of the wedge-shaped gasket (1), positioning blocks (3) are fixedly arranged on the upper surface of the wedge-shaped gasket (1), limiting holes (4) are formed in the side faces of the positioning blocks (3), a nut body (5) is rotatably arranged on the upper surface of the wedge-shaped gasket (1), limiting blocks (6) are fixedly arranged at the bottoms of the nut body (5), and inserting rods (7) are fixedly arranged on the side faces of the limiting blocks (6).

2. An anti-rotation step nut as defined in claim 1, wherein: the three clamping grooves (2) are uniformly arranged at the bottom of the wedge-shaped gasket (1).

3. An anti-rotation step nut as defined in claim 1, wherein: the limiting holes (4) penetrate through the positioning block (3), the limiting holes (4) are formed in a plurality of mode, and the limiting holes (4) are uniformly arranged on the side face of the positioning block (3).

4. An anti-rotation step nut as defined in claim 1, wherein: the two limiting holes (4) are arranged in a group, the side area of the limiting holes (4) is larger than that of the plugging rod (7), and the limiting holes (4) and the plugging rod (7) are arranged on the same circumferential surface.

5. An anti-rotation step nut as defined in claim 1, wherein: the plurality of positioning blocks (3) are uniformly arranged on the upper surface of the wedge-shaped gasket (1), and the plurality of positioning blocks (3) are not contacted.

6. An anti-rotation step nut as defined in claim 1, wherein: the height of the positioning blocks (3) is the same as that of the limiting blocks (6), and the lower surface area of the limiting blocks (6) is smaller than the lower surface area between the two positioning blocks (3).