CN220227469U

CN220227469U - Eccentric self-locking nut

Info

Publication number: CN220227469U
Application number: CN202321763128.4U
Authority: CN
Inventors: 骆秋如; 张继东
Original assignee: Zhejiang Yicheng Technology Co ltd
Current assignee: Zhejiang Yicheng Technology Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-12-22
Anticipated expiration: 2033-07-06

Abstract

The utility model belongs to the technical field of screw nuts, and particularly relates to an eccentric self-locking nut, which comprises: the bolt is in threaded connection with a nut; the multiunit locking component, multiunit locking component sets up on the bolt, locking component includes a plurality of trepanning, and is a plurality of the trepanning is offered at the lateral wall of bolt, the draw-in groove has been seted up to the inside wall of trepanning, be equipped with two spacing grooves in the draw-in groove, be equipped with two business turn over grooves on the trepanning, after the bolt is connected with the nut, inwards promote the trepanning, cup joint the trepanning in corresponding trepanning, the cutting ferrule also can get into the draw-in groove through business turn over groove when the trepanning, rotate the trepanning this moment, after the position of cutting ferrule rotates to spacing groove position, can outwards promote the trepanning through propping up tight subassembly, with the cutting ferrule tightly in the spacing inslot, the nut will be spacing this moment, thereby avoid bolt and nut to produce and rotate, lead to bolt and nut not hard up, stability when being connected between bolt and the nut has been improved.

Description

Eccentric self-locking nut

Technical Field

The utility model belongs to the technical field of screw nuts, and particularly relates to an eccentric self-locking nut.

Background

The common nut can be loosened automatically due to vibration and other reasons in the use process, and the self-locking nut is invented for preventing the phenomenon. The self-locking nut mainly has the functions of looseness prevention and vibration resistance, but has a certain problem in the existing self-locking nut, so that the existing self-locking nut is improved.

In the existing self-locking nut, in the process of installing the nut, the screw top cap is not fixed with the locating pin because of the fact that the device is in contact with the locating pin when in use, so that the phenomenon of loosening exists when the nut is rotated, the phenomenon that a locking device is firstly loosened in the use process exists when the existing self-locking nut is in use, and the phenomenon that the nut is easy to loosen is caused.

Disclosure of Invention

The utility model aims at solving the technical problems in the prior art by providing an eccentric self-locking nut.

The utility model provides an eccentric self-locking nut, comprising:

the bolt is in threaded connection with a nut;

the locking assembly comprises a plurality of sleeve holes, a plurality of sleeve holes are formed in the outer side wall of the bolt, clamping grooves are formed in the inner side walls of the sleeve holes, two limiting grooves are formed in the clamping grooves, two inlet and outlet grooves are formed in the sleeve holes and are communicated with the clamping grooves, side holes are formed in nuts, sleeve columns are movably connected in the side holes, the sleeve columns are sleeved in one of the sleeve holes, clamping sleeves are arranged on two sides of each sleeve column, and the two clamping sleeves are respectively arranged in the two limiting grooves;

the plurality of groups of jacking assemblies are respectively arranged in the plurality of trepanning and used for limiting the clamping sleeve.

In the above technical scheme, further, the tight subassembly in top includes the tight board that pushes up, tight board sliding connection in the trepanning, inside one side fixed mounting in trepanning has the tight spring in top, the one end of tight spring in top is connected with one side fixed of tight board in top, the opposite side of tight board in top offsets with the one end of trepanning.

In the above technical scheme, further, be equipped with two holding tanks on the side opening, holding tank corresponds with business turn over groove position each other, the holding tank is the same with business turn over specification in groove, business turn over groove is the rectangle groove, the specification of cutting ferrule matches with business turn over groove's specification.

In the above technical scheme, further, the inside wall fixed mounting of spacing groove has first card post, first card post cup joints with the cutting ferrule activity.

In the above technical scheme, further, the inside wall fixed mounting of bin has the second card post, the cooperation is cup jointed with the cutting ferrule to the second card post.

In the above technical scheme, further, the sleeve column is made of plastic materials.

The beneficial effects of the utility model are as follows:

1. this eccentric formula self-locking nut, after bolt and nut are connected, inwards promote the loop column, cup joint the loop column in the loop hole that corresponds, the cutting ferrule also can be through business turn over inslot when the loop column gets into the loop hole, rotate the loop column this moment, after the position of cutting ferrule rotates to spacing groove position, can outwards promote the loop column through pushing up tight subassembly, press against the cutting ferrule in spacing inslot, the nut will be spacing this moment, thereby avoid bolt and nut to produce the rotation, lead to bolt and nut not hard up, stability when being connected between bolt and the nut has been improved, and owing to be provided with multiunit locking subassembly, even if other locking subassemblies damage only when remaining a set of locking subassembly, can all carry out spacingly to bolt and nut, thereby avoid not hard up between bolt and the nut, the fixity when bolt and nut installation has been strengthened.

2. This eccentric formula self-locking nut, when bolt and nut dismantlement, only need inwards promote the sleeve post, shift out the cutting ferrule from the spacing groove, rotate the sleeve post this moment, after the position rotation of cutting ferrule to business turn over groove position, outwards pulling sleeve post, shift out the cutting ferrule from the draw-in groove, the cutting ferrule can take in the bin to store this moment, has relieved the spacing between bolt and the nut this moment, can rotate bolt or nut and dismantle bolt and nut.

Drawings

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

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic cross-sectional view of a nut of the present utility model;

fig. 4 is a schematic view of the side hole structure of the present utility model.

The label in the figure is:

1. a bolt; 2. a nut; 3. trepanning; 4. a clamping groove; 5. a slot; 6. a limit groove; 7. a side hole; 8. a sleeve column; 9. a cutting sleeve; 10. a first clamping column; 11. a pressing plate; 12. a spring is tightly propped; 13. a storage tank; 14. and the second clamping column.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

referring to fig. 1-4, an eccentric self-locking nut is provided in this embodiment.

Comprising the following steps: the bolt 1 is in threaded connection with a nut 2; the locking assembly comprises a plurality of sleeve holes 3, the sleeve holes 3 are formed in the outer side wall of the bolt 1, clamping grooves 4 are formed in the inner side wall of the sleeve holes 3, two limiting grooves 6 are formed in the clamping grooves 4, two inlet and outlet grooves 5 are formed in the sleeve holes 3, the two inlet and outlet grooves 5 are communicated with the clamping grooves 4, side holes 7 are formed in the nuts 2, sleeve columns 8 are movably connected in the side holes 7, the sleeve columns 8 are sleeved in one of the sleeve holes 3, clamping sleeves 9 are arranged on two sides of the sleeve columns 8, and the two clamping sleeves 9 are respectively arranged in the two limiting grooves 6; the multiunit pushes up tight subassembly, multiunit pushes up tight subassembly and sets up in a plurality of trepanning 3 respectively, and be used for spacing cutting ferrule 9, after bolt 1 is connected with nut 2, inwards promote trepanning 8, cup joint trepanning 8 in corresponding trepanning 3, cutting ferrule 9 also can get into draw-in groove 4 through business turn over groove 5 when trepanning 8 gets into trepanning 3, rotate trepanning 8 this moment, after the position of cutting ferrule 9 rotates to spacing groove 6 position, can outwards promote trepanning 8 through pushing up tight subassembly, press tightly cutting ferrule 9 in spacing groove 6, nut 2 will be spacing this moment, thereby avoid bolt 1 and nut 2 to produce and rotate, lead to bolt 1 and nut 2 not hard up, stability when being connected between bolt 1 and the nut 2 has been improved.

The jacking assembly comprises a jacking plate 11, the jacking plate 11 is slidably connected in the sleeve hole 3, a jacking spring 12 is fixedly arranged on one side of the inside of the sleeve hole 3, one end of the jacking spring 12 is fixedly connected with one side of the jacking plate 11, the other side of the jacking plate 11 abuts against one end of the sleeve column 8, and the jacking spring 12 can push the jacking plate 11 to move outwards to push the sleeve column 8 outwards, so that the clamping sleeve 9 abuts against the limiting groove 6.

Example 2:

the present embodiment provides an eccentric self-locking nut, which has the following technical features in addition to the technical scheme including the above embodiment.

Wherein, be equipped with two holding tanks 13 on the side opening 7, holding tank 13 corresponds with business turn over groove 5 position each other, holding tank 13 is the same with business turn over groove 5 specification, business turn over groove 5 is the rectangle groove, the specification of cutting ferrule 9 matches with business turn over groove 5's specification, through setting up business turn over groove 5, when cutting ferrule 9 accessible business turn over groove 5 get into or business turn over draw-in groove 4, conveniently get into spacing inslot 6 through draw-in groove 4 to cutting ferrule 9, through setting up holding tank 13, when cutting ferrule 9 does not use, can remove cutting ferrule 9 to holding tank 13 in store.

Wherein, the inside wall fixed mounting of spacing groove 6 has first card post 10, and first card post 10 cup joints with cutting ferrule 9 activity, and when cutting ferrule 9 got into spacing groove 6, cutting ferrule 9 can cup joint together with first card post 10 to reinforcing cutting ferrule 9 is at the stability of spacing groove 6, avoids cutting ferrule 9 to shift out from spacing groove 6.

Example 3:

Wherein, the inside wall fixed mounting of bin slot 13 has second card post 14, and second card post 14 cup joints the cooperation with cutting ferrule 9, and when cutting ferrule 9 moved to bin slot 13 in store, second card post 14 cup joints with cutting ferrule 9 to reinforcing cutting ferrule 9 stability when bin slot 13 in store avoids cutting ferrule 9 to shift out from bin slot 13.

Wherein, the sleeve column 8 adopts plastic material to make, and plastics light in weight makes things convenient for pushing up tight subassembly and promotes sleeve column 8 outwards to remove, is convenient for support tight in spacing groove 6 with cutting ferrule 9 to spacing bolt 1 and nut 2, and plastic material has good corrosion resistance, and life is longer, low in production cost.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. An eccentric self-locking nut, comprising:

the bolt (1), the screw thread is connected with a nut (2) on the bolt (1);

the locking assembly comprises a plurality of sleeve holes (3), wherein the sleeve holes (3) are formed in the outer side wall of the bolt (1), clamping grooves (4) are formed in the inner side wall of the sleeve holes (3), two limiting grooves (6) are formed in the clamping grooves (4), two in-out grooves (5) are formed in the sleeve holes (3), the two in-out grooves (5) are communicated with the clamping grooves (4), side holes (7) are formed in the nuts (2), sleeve columns (8) are movably connected in the side holes (7), sleeve columns (8) are sleeved in one of the sleeve holes (3), sleeve sleeves (9) are arranged on two sides of each sleeve column (8), and the two sleeve sleeves (9) are respectively arranged in the two limiting grooves (6);

the plurality of groups of jacking assemblies are respectively arranged in the plurality of trepanning holes (3) and used for limiting the clamping sleeve (9).

2. The eccentric self-locking nut according to claim 1, wherein the tightening assembly comprises a tightening plate (11), the tightening plate (11) is slidably connected in the sleeve hole (3), a tightening spring (12) is fixedly arranged on one side of the inside of the sleeve hole (3), one end of the tightening spring (12) is fixedly connected with one side of the tightening plate (11), and the other side of the tightening plate (11) is propped against one end of the sleeve column (8).

3. The eccentric self-locking nut according to claim 1, wherein the side hole (7) is provided with two storage grooves (13), the storage grooves (13) and the inlet and outlet grooves (5) are positioned corresponding to each other, the storage grooves (13) and the inlet and outlet grooves (5) have the same specification, the inlet and outlet grooves (5) are rectangular grooves, and the specifications of the clamping sleeve (9) are matched with the specifications of the inlet and outlet grooves (5).

4. The eccentric self-locking nut according to claim 1, wherein a first clamping column (10) is fixedly arranged on the inner side wall of the limiting groove (6), and the first clamping column (10) is movably sleeved with the clamping sleeve (9).

5. An eccentric self-locking nut according to claim 3, characterized in that the inner side wall of the storage groove (13) is fixedly provided with a second clamping column (14), and the second clamping column (14) is in sleeved fit with the clamping sleeve (9).

6. An eccentric self-locking nut as claimed in claim 1, characterized in that the sleeve (8) is made of plastic material.