CN214367182U

CN214367182U - Improved locking nut

Info

Publication number: CN214367182U
Application number: CN202120137631.3U
Authority: CN
Inventors: 曾文杰; 周解明; 林德开; 戴松玉; 张施楠
Original assignee: Zhejiang Liyou Automobile Technology Co ltd
Current assignee: Zhejiang Liyou Automobile Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-08
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a modified lock nut relates to lock nut technical field, including the main nut body of going up, the top of the main nut body of going up is provided with main cushion chamber, and the main cushion intracavity is fixed to have cup jointed main buffering ring, and the bottom of the main nut body of going up is provided with main fixed threaded hole. The utility model discloses in operation process, need reduce through the user the utility model discloses only need rotate main nut body when being in outside height and make it rotate and descend in the internal thread of location with the help of the location external screw thread, the nut internal portion is gone up to the time of receiving the main nut body this moment to it makes it accomodate it with the help of spacing external screw thread down the nut internal to rotate main nut body down, and because of the screw orientation of location external screw thread and main fixed thread hole and the equal same messenger of screw pitch the utility model discloses still can carry out normal screw thread cup joint work after the high reduction, and only need reverse operation when needing to improve its height can, and comparatively stable when making the nut spanner operation because of it all is the octagon.

Description

Improved locking nut

Technical Field

The utility model relates to a lock nut technical field specifically is a modified lock nut.

Background

With the development of industrial technology, nuts are used in various aspects of manufacturing industry, and many different nut types are developed according to the wide application range, including a nut with a self-locking function and a simple structure, which is widely used, and a double nut with excellent anti-loosening performance is proposed in the utility model 'lock nut' (application number: 2020202909113), but the height of the nut exposed to the outside is often fixed and cannot be adjusted during use, so that when the nut is used in an occasion that the nut needs to be hidden to reduce the area of the nut located to the outside to improve stability, the height of the nut exposed to the outside cannot be adjusted to hide, and a user needs to additionally select nuts of other specifications.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved lock nut to solve the problem that its height can't be adjusted in order to adapt to different use occasions to the partial locking screw thread that exists on the above-mentioned background art on the market.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an improved locking nut comprises a main upper nut body, wherein a main buffer cavity is arranged at the top of the main upper nut body, a main buffer ring is fixedly sleeved in the main buffer cavity, a main fixed threaded hole is formed in the bottom of the main upper nut body, a positioning external thread is arranged on the surface of the main upper nut body, a secondary upper nut body is sleeved on the surface thread of the positioning external thread, a secondary fixed threaded hole is formed in the bottom of the secondary upper nut body, a positioning internal thread is arranged at the top of the secondary upper nut body and is in threaded engagement with the positioning external thread, a main lower nut body is fixedly sleeved on the surface of the secondary upper nut body, a main positioning threaded hole is formed in the top of the main lower nut body, a limiting external thread is arranged on the surface of the main lower nut body, a secondary lower nut body is sleeved on the surface thread of the limiting external thread, a limiting internal thread is arranged at the top of the secondary lower nut body, and spacing internal thread and spacing external screw thread mesh, the bottom of the nut body is provided with inferior location screw hole down, and just bottom one side of the nut body is provided with inferior cushion chamber down, inferior cushion intracavity is fixed to be cup jointed inferior cushion ring.

Optionally, the depression cross sections of the main buffer cavity, the main buffer ring, the secondary buffer cavity and the secondary buffer ring are all annular, and the depression cross sections of the main buffer cavity, the main buffer ring, the secondary buffer cavity and the secondary buffer ring have the same area.

Optionally, the circle centers of the main fixed threaded hole, the secondary fixed threaded hole, the main positioning threaded hole and the secondary positioning threaded hole are located on the same vertical line, and the thread orientations of the main fixed threaded hole, the secondary fixed threaded hole, the main positioning threaded hole and the secondary positioning threaded hole are the same as the thread radian.

Optionally, the thread orientations of the positioning external thread, the positioning internal thread, the limiting external thread and the limiting internal thread are the same as the thread radian, and the thread orientations of the positioning external thread and the main fixed threaded hole are the same as the thread pitch.

Optionally, the depression cross sections of the main upper nut body and the secondary upper nut body are octagonal with the same area, and the depression cross sections of the main lower nut body and the secondary lower nut body are octagonal with the same area.

Optionally, the main buffer ring and the secondary buffer ring are made of rubber, and the top and the bottom of the main buffer ring and the secondary buffer ring are arc-shaped.

The utility model discloses a technological effect and advantage:

1. need reduce through the user the utility model discloses only need rotate main nut body when being in outside height and make it rotate and descend in the internal thread of location with the help of the location external screw thread, to receive main nut body this moment and go up the internal portion of nut in inferior, and rotate main nut body down and make it accomodate it with the help of spacing external screw thread and go into the nut body down, and because of the screw orientation of location external screw thread and main fixed threaded hole and the equal the same messenger of screw pitch the utility model discloses still can carry out normal screw thread cup joint work after highly reducing, and when needs improve its height only need reverse operation can, and because of it all is octagonal make nut spanner operate time comparatively stable.

2. All be the rubber material through main buffering ring and inferior buffering ring and make its cushioning effect when possessing sufficient toughness and elasticity and life in order to play long-term contact, and the top and the bottom of main buffering ring and inferior buffering ring all are the arc and make it possess sufficient deformation space in order to adapt to the buffering to pressure when contacting each other.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the secondary lower nut body of the present invention;

FIG. 3 is a top view of the main upper nut body structure of the present invention;

fig. 4 is a bottom view of the structure of the secondary lower nut body of the present invention.

In the figure: the main upper nut body 1, the main buffer cavity 2, the main buffer ring 3, the main fixed threaded hole 4, the external locating thread 5, the upper nut body 6 times, the fixed threaded hole 7 times, the internal locating thread 8, the main lower nut body 9, the main fixed threaded hole 10, the external limiting thread 11, the lower nut body 12 times, the internal limiting thread 13, the positioning threaded hole 14 times, the buffer cavity 15 times and the buffer ring 16 times.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides an improved lock nut as shown in figures 1-4, which comprises a main upper nut body 1, a main buffer cavity 2 is arranged at the top of the main upper nut body 1, a main buffer ring 3 is fixedly sleeved in the main buffer cavity 2, a main fixed threaded hole 4 is arranged at the bottom of the main upper nut body 1, a positioning external thread 5 is arranged on the surface of the main upper nut body 1, a secondary upper nut body 6 is sleeved on the surface thread of the positioning external thread 5, a secondary fixed threaded hole 7 is arranged at the bottom of the secondary upper nut body 6, a positioning internal thread 8 is arranged at the top of the secondary upper nut body 6, the positioning internal thread 8 is in threaded engagement with the positioning external thread 5, a main lower nut body 9 is fixedly sleeved on the surface of the secondary upper nut body 6, the depression sections of the main upper nut body 1 and the secondary upper nut body 6 are all in the shape of an octagon with the same area, and the depression sections of the main lower nut body 9 and the secondary lower nut body 12 are all in the shape of an octagon with the same area, the arrangement ensures that the user operates the secondary upper nut body 6 or operates the primary lower nut body 9 in any time and can stably socket the secondary upper nut body 6 or the primary lower nut body 9, and the situation of position deviation and the like can not occur in the operation process, the top of the primary lower nut body 9 is provided with the primary positioning threaded hole 10, the surface of the primary lower nut body 9 is provided with the limiting external thread 11, the surface thread of the limiting external thread 11 is sleeved with the secondary lower nut body 12, the top of the secondary lower nut body 12 is provided with the limiting internal thread 13, the limiting internal thread 13 is in threaded engagement with the limiting external thread 11, the bottom of the secondary lower nut body 12 is provided with the secondary positioning threaded hole 14, the circle centers of the primary fixing threaded hole 4, the secondary fixing threaded hole 7, the primary positioning threaded hole 10 and the secondary positioning threaded hole 14 are positioned on the same vertical line, and the primary fixing threaded hole 4, the secondary fixing threaded hole 7, The thread orientations and the thread radians of the primary positioning threaded hole 10 and the secondary positioning threaded hole 14 are the same, the arrangement enables the threaded rod to be smoothly sleeved in the main upper nut body 1, the secondary upper nut body 6, the main lower nut body 9 and the main lower nut body 12 in a threaded manner so as to avoid the conditions of position deviation and the like, so as to avoid the stability of the equipment from being reduced due to the position deviation in the using process and further avoid influencing the service life of the equipment, a secondary buffer cavity 15 is arranged at one side of the bottom of the secondary lower nut body 12, a secondary buffer ring 16 is fixedly sleeved in the secondary buffer cavity 15, the main buffer ring 3 and the secondary buffer ring 16 are both made of rubber materials, and the top and the bottom of the main buffer ring 3 and the secondary buffer ring 16 are both arc-shaped, so that the buffer ring has enough toughness and elasticity and long service life to play a buffer role in long-term contact, and the top and bottom of the primary cushion ring 3 and the secondary cushion ring 16 are both arc-shaped to have enough deformation space to accommodate the cushion against pressure when they contact each other.

This practical theory of operation: the utility model discloses an in the use, need reduce through the user the utility model discloses only need rotate main nut body 1 when being in outside height and make it rotate and descend in location internal thread 8 with the help of location external screw thread 5, at this moment with main nut body 1 receive in inferior nut body 6 inside, and rotate main nut body 9 down and make it accomodate it with the help of spacing external screw thread 11 in inferior nut body 12 down, and because of location external screw thread 5 and main fixed thread hole 4's screw orientation and the equal the same messenger of screw pitch the utility model discloses still can carry out normal screw thread cup joint work after the height reduction, and when needs improve its height only need reverse operation can, and because of it all is the octagon guaranteed that the user can not appear the condition such as offset when with the help of nut spanner.

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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An improved lock nut comprising a main upper nut body (1), characterized in that: the top of the main upper nut body (1) is provided with a main buffer cavity (2), the main buffer cavity (2) is internally and fixedly sleeved with a main buffer ring (3), the bottom of the main upper nut body (1) is provided with a main fixed threaded hole (4), the surface of the main upper nut body (1) is provided with a positioning external thread (5), the surface thread of the positioning external thread (5) is sleeved with a secondary upper nut body (6), the bottom of the secondary upper nut body (6) is provided with a secondary fixed threaded hole (7), the top of the secondary upper nut body (6) is provided with a positioning internal thread (8), the positioning internal thread (8) is in threaded engagement with the positioning external thread (5), the surface of the secondary upper nut body (6) is fixedly sleeved with a main lower nut body (9), the top of the main lower nut body (9) is provided with a main positioning threaded hole (10), the surface of the main lower nut body (9) is provided with a limiting external thread (11), and the surface thread of the limiting external thread (11) is sleeved with a secondary lower nut body (12), the top of the secondary lower nut body (12) is provided with a limiting internal thread (13), the limiting internal thread (13) is in threaded engagement with the limiting external thread (11), the bottom of the secondary lower nut body (12) is provided with a secondary positioning threaded hole (14), one side of the bottom of the secondary lower nut body (12) is provided with a secondary buffer cavity (15), and a secondary buffer ring (16) is sleeved on the inner fixing of the secondary buffer cavity (15).

2. An improved lock nut as defined in claim 1, wherein: the depression sections of the main buffer cavity (2), the main buffer ring (3), the secondary buffer cavity (15) and the secondary buffer ring (16) are all annular, and the depression sections of the main buffer cavity (2), the main buffer ring (3), the secondary buffer cavity (15) and the secondary buffer ring (16) have the same area.

3. An improved lock nut as defined in claim 1, wherein: the circle centers of the main fixed threaded hole (4), the secondary fixed threaded hole (7), the main positioning threaded hole (10) and the secondary positioning threaded hole (14) are located on the same vertical line, and the thread orientations and the thread radians of the main fixed threaded hole (4), the secondary fixed threaded hole (7), the main positioning threaded hole (10) and the secondary positioning threaded hole (14) are the same.

4. An improved lock nut as defined in claim 1, wherein: the thread orientation of the positioning external thread (5), the positioning internal thread (8), the limiting external thread (11) and the limiting internal thread (13) is the same as the thread radian, and the thread orientation of the positioning external thread (5) and the main fixed threaded hole (4) is the same as the thread pitch.

5. An improved lock nut as defined in claim 1, wherein: the depression cross sections of the main upper nut body (1) and the secondary upper nut body (6) are all in the shape of an octagon with the same area, and the depression cross sections of the main lower nut body (9) and the secondary lower nut body (12) are all in the shape of an octagon with the same area.

6. An improved lock nut as defined in claim 1, wherein: the main buffer ring (3) and the secondary buffer ring (16) are both made of rubber, and the tops and the bottoms of the main buffer ring (3) and the secondary buffer ring (16) are both arc-shaped.