CN216554893U

CN216554893U - Double-nut adjusting structure

Info

Publication number: CN216554893U
Application number: CN202123133756.8U
Authority: CN
Inventors: 肖立洲; 肖婷婷
Original assignee: Yancheng Intercontinental Precision Machinery Co ltd
Current assignee: Qitaihe Agricultural Investment Agriculture Group Co ltd; Qitaihe Agricultural Investment Mining Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-17
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a double-nut adjusting structure which comprises a screw body, wherein one end of the screw body is respectively in threaded connection with a first nut and a second nut, one side of the top end of the second nut is connected with a sleeve, a plurality of clamping grooves are formed in the sleeve, a first sliding block and a second sliding block are connected in the clamping grooves in a sliding mode, inclined planes are respectively arranged on one sides, adjacent to the first sliding block and the second sliding block, the two inclined planes are mutually attached, the top end of the first sliding block is connected with a top block, the top end of the top block penetrates through the sleeve and extends to the outside, one side of the second sliding block is connected with a curved plate, one side of the curved plate is connected with one side of the sleeve in a sliding mode, an annular groove is formed in the bottom end of the first nut, the annular groove and the sleeve are in the same axis, and a hexagonal gasket is arranged between the first nut and the second nut. The double-nut adjusting structure is simple and reasonable in structure, novel in design, capable of effectively avoiding the condition of looseness, simple and convenient to install and high in practical value.

Description

Double-nut adjusting structure

Technical Field

The utility model relates to the technical field of nut parts, in particular to a double-nut adjusting structure.

Background

Nuts, also known as nuts, are a fixing tool with a hole in the center and threads on the inside of the hole, which are often used in conjunction with screws of a suitable size to fix the relevant joint, wherein a double nut arrangement is also common.

However, current two nut structures, in-process using, adopt mutual wrench movement usually for extrude each other between the two, thereby reach and prevent not hard up, however, because two nuts are in different positions, the vibrations amplitude that receives can appear the difference, and the two moves each other, and then the refastening of wrench movement also can appear not hard up situation. Therefore, the double-nut adjusting structure is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a double-nut adjusting structure which comprises a screw body, wherein one end of the screw body is respectively in threaded connection with a first nut and a second nut, one side of the top end of the second nut is connected with a sleeve, a plurality of clamping grooves are formed in the sleeve, a first sliding block and a second sliding block are connected in the clamping grooves in a sliding mode, inclined planes are respectively arranged on the adjacent sides of the first sliding block and the second sliding block, the two inclined planes are mutually attached, the top end of the first sliding block is connected with a top block, the top end of the top block penetrates through the sleeve and extends to the outside, one side of the second sliding block is connected with a curved plate, one side of the curved plate is connected with one side of the sleeve in a sliding mode, an annular groove is formed in the bottom end of the first nut, and the annular groove and the sleeve are in the same axis.

As a preferable technical solution of the present invention, a hexagonal spacer is disposed between the first nut and the second nut, a circular opening is disposed at one side of the hexagonal spacer, and a diameter of the circular opening is greater than a diameter of the sleeve.

As a preferred technical scheme of the utility model, an extension spring is sleeved on the outer wall of the top block, and two ends of the extension spring are respectively connected with the sleeve and the first sliding block.

As a preferable technical scheme of the utility model, the radian of the outer wall of the curved plate is equal to the radian of the inner wall of the annular groove, and the outer wall of the curved plate is provided with a frosting layer.

As a preferable technical scheme of the utility model, the top end of the ejector block is provided with an arc-shaped curved surface, and the outer wall of the arc-shaped curved surface is provided with a wear-resistant layer.

As a preferred technical scheme of the present invention, the first nut and the second nut are both cast from an alloy steel material.

The utility model has the beneficial effects that:

1. the double-nut adjusting structure has the advantages that the first nut, the second nut, the sleeve, the first sliding block, the second sliding block, the jacking block and the annular groove are matched with each other, so that the structure has a locking function, the loosening condition is reduced, the first nut and the second nut are respectively twisted, the two nuts are close to each other, one end of the sleeve is enabled to extend into the annular groove, the jacking block is squeezed, the first sliding block and the second sliding block move relatively, the curved plate is pushed to extend outwards and is attached to the inner wall of the annular groove, and the locking function is achieved;

2. this kind of structure is adjusted to two nuts through placing of hexagonal gasket, reduces the extrusion damage between first nut and the second nut, and the rethread utilizes extension spring's elastic action, and the first slider of being convenient for realizes that elasticity resets to through the setting on dull polish layer, increased the friction between bent plate and the annular groove, thereby avoid appearing the phenomenon of skidding, simultaneously, through the setting of curved surface, keep steady slip between kicking block and the annular groove of being convenient for. The utility model has simple and reasonable structure, novel design, simple and convenient installation and higher practical value, and can effectively avoid the loosening condition.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of a dual nut adjustment arrangement of the present invention;

FIG. 2 is an exploded view of a dual nut adjustment arrangement of the present invention;

FIG. 3 is a cross-sectional view of a sleeve structure of a dual nut adjustment structure of the present invention;

FIG. 4 is a cross-sectional view of a first nut arrangement of a dual nut adjustment arrangement of the present invention.

In the figure: 1. a screw body; 2. a first nut; 3. a second nut; 4. a hexagonal spacer; 5. a sleeve; 6. a top block; 7. a curved plate; 8. a circular opening; 9. a first slider; 10. a second slider; 11. an extension spring; 12. an annular groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the double-nut adjusting structure of the present invention includes a screw body 1, one end of the screw body 1 is respectively connected with a first nut 2 and a second nut 3 through a screw thread, one side of the top end of the second nut 3 is connected with a sleeve 5, a plurality of slots are arranged inside the sleeve 5, a first slider 9 and a second slider 10 are slidably connected inside the plurality of slots, one sides of the first slider 9 and the second slider 10 adjacent to each other are respectively provided with an inclined surface, and the two inclined surfaces are attached to each other, the top end of the first slider 9 is connected with a top block 6, the top end of the top block 6 penetrates through the sleeve 5 and extends to the outside, one side of the second slider 10 is connected with a curved plate 7, one side of the curved plate 7 is slidably connected with one side of the sleeve 5, the bottom end of the first nut 2 is provided with an annular groove 12, and the annular groove 12 and the sleeve 5 are in a coaxial line.

Wherein, placed hexagonal gasket 4 between first nut 2 and the second nut 3, hexagonal gasket 4 one side is provided with circular opening 8, and the diameter size of circular opening 8 is greater than the diameter size of sleeve 5, through placing of hexagonal gasket 4, reduces the extrusion damage between first nut 2 and the second nut 3.

Wherein, 6 outer wall covers of kicking block are equipped with extension spring 11, and extension spring 11's both ends are connected with sleeve 5, first slider 9 respectively, and through the elastic reaction that utilizes extension spring 11, the first slider 9 of being convenient for realizes that elasticity resets.

Wherein, the radian of the 7 outer walls of bent plate equals with the radian of the 12 inner walls of annular groove, and the 7 outer walls of bent plate are provided with the frosting layer, through the setting of frosting layer, the friction between bent plate 7 and annular groove 12 has been increased to avoid the phenomenon of skidding to appear.

Wherein, the 6 tops of kicking block are provided with the arc curved surface, and the outer wall of arc curved surface is provided with the wearing layer, through the setting of arc curved surface, is convenient for keep steady slip between kicking block 6 and annular groove 12.

The first nut 2 and the second nut 3 are both made of alloy steel materials through pouring.

The working principle is as follows: when the double-nut adjusting structure is used, firstly, whether the nut is intact is checked, simple butt joint test is carried out, after the structure is ensured to be normally used, the structure is assembled for use, the structure has the locking function through the mutual matching of the first nut 2, the second nut 3, the sleeve 5, the first sliding block 9, the second sliding block 10, the top block 6, the curved plate 7 and the annular groove 12, so that the loosening condition is reduced, the two nuts are close to each other through twisting the first nut 2 and the second nut 3 respectively, one end of the sleeve 5 is enabled to extend into the annular groove 12, the top block 6 is squeezed, the first sliding block 9 and the second sliding block 10 move relatively, the curved plate 7 is pushed to extend outwards and is attached to the inner wall of the annular groove 12, so that the locking function is completed, and the double-nut adjusting structure, through placing of hexagonal gasket 4, reduce the extrusion damage between first nut 2 and the second nut 3, the elastic action of rethread utilization extension spring 11, the first slider 9 of being convenient for realizes elastic reset, and through the setting on dull polish layer, increased the friction between bent plate 7 and annular groove 12, thereby avoid appearing the phenomenon of skidding, simultaneously, through the setting of curved surface, keep steady slip between the kicking block 6 of being convenient for and the annular groove 12. The utility model has simple and reasonable structure, novel design, simple and convenient installation and higher practical value, and can effectively avoid the loosening condition.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A double-nut adjusting structure comprises a screw body (1) and is characterized in that one end of the screw body (1) is respectively in threaded connection with a first nut (2) and a second nut (3), one side of the top end of the second nut (3) is connected with a sleeve (5), a plurality of clamping grooves are formed in the sleeve (5), a first sliding block (9) and a second sliding block (10) are connected in the clamping grooves in a sliding mode, inclined planes are respectively arranged on one sides, adjacent to the first sliding block (9) and the second sliding block (10), of the first sliding block and the second sliding block and are mutually attached, a top block (6) is connected to the top end of the first sliding block (9), the top end of the top block (6) penetrates through the sleeve (5) and extends to the outside, a curved plate (7) is connected to one side of the second sliding block (10), and one side of the curved plate (7) is connected with one side of the sleeve (5) in a sliding mode, an annular groove (12) is formed in the bottom end of the first nut (2), and the annular groove (12) and the sleeve (5) are located on the same axis.

2. A double nut adjusting structure according to claim 1, characterized in that a hexagonal spacer (4) is placed between the first nut (2) and the second nut (3), a circular opening (8) is provided on one side of the hexagonal spacer (4), and the diameter of the circular opening (8) is larger than that of the sleeve (5).

3. A double nut adjusting structure according to claim 1, wherein an extension spring (11) is sleeved on the outer wall of the top block (6), and two ends of the extension spring (11) are respectively connected with the sleeve (5) and the first sliding block (9).

4. A double nut adjusting structure according to claim 1, characterized in that the radian of the outer wall of the curved plate (7) is equal to the radian of the inner wall of the annular groove (12), and the outer wall of the curved plate (7) is provided with a frosting layer.

5. A double nut adjusting structure according to claim 1, characterized in that the top end of the top block (6) is provided with an arc-shaped curved surface, and the outer wall of the arc-shaped curved surface is provided with a wear-resistant layer.

6. The double nut adjusting structure according to claim 1, wherein the first nut (2) and the second nut (3) are both cast from alloy steel.