CN218913431U

CN218913431U - High locking hexagonal nut

Info

Publication number: CN218913431U
Application number: CN202223183480.9U
Authority: CN
Inventors: 黄超; 廖文峰; 叶蓉
Original assignee: Zhejiang Ansheng Auto Parts Co ltd
Current assignee: Zhejiang Ansheng Auto Parts Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-25
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a high locking hexagonal nut which comprises two nut bodies, auxiliary nuts, clamping grooves, springs, steel balls and limiting plates, wherein the two nut bodies are respectively screwed on two adjacent and parallel screw rods, each nut body consists of a first cylinder and a second cylinder which are of an integral structure, the first cylinder and the second cylinder are coaxial, the second cylinder is fixed at the bottom of the first cylinder, the first cylinder is cylindrical, the second cylinder is of a regular hexagonal prism shape, external threads are arranged outside the first cylinder, the auxiliary nuts are screwed on the first cylinder, a clamping groove which is vertically arranged is formed in the side wall of each auxiliary nut, and the clamping groove penetrates through the upper end and the lower end of each auxiliary nut. According to the nut body, the auxiliary nut is screwed on the nut body, the limiting plate is clamped on the clamping groove of the auxiliary nut, so that the auxiliary nut cannot rotate, and finally the nut body cannot rotate, so that the nut body cannot loosen, and the high locking property of the nut body is ensured.

Description

High locking hexagonal nut

[ field of technology ]

The utility model relates to the technical field of fasteners, in particular to the technical field of hexagonal nuts.

[ background Art ]

The hexagonal nut is widely used, and can be applied to a large number of hexagonal nuts on automobiles. Because the car can produce vibrations in the use, hexagonal nut has the risk of becoming flexible in the use, in case become flexible hexagonal nut's locking effect just can reduce, can lead to even the inefficacy of nut locking effect, can bring the potential safety hazard.

[ utility model ]

The utility model aims to solve the problems in the prior art and provides a high-locking hexagonal nut which can prevent the hexagonal nut from loosening.

In order to achieve the above purpose, the utility model provides a high locking hexagonal nut, which comprises two nut bodies, auxiliary nuts, clamping grooves, springs, steel balls and limiting plates, wherein the two nut bodies are respectively screwed on two adjacent and parallel screw rods, each nut body consists of a first cylinder and a second cylinder which are of an integrated structure, the first cylinder and the second cylinder are coaxial, the second cylinder is fixed at the bottom of the first cylinder, the first cylinder is cylindrical, the second cylinder is in a regular hexagonal prism shape, external threads are arranged outside the first cylinder, the auxiliary nuts are screwed on the first cylinder, a clamping groove which is vertically arranged is formed in the side wall of each auxiliary nut, the clamping grooves penetrate through the upper end and the lower end of each auxiliary nut, the clamping grooves on the two auxiliary nuts are oppositely arranged, one side wall of each clamping groove is provided with a mounting groove, the bottom of each mounting groove is fixedly provided with a spring, one steel ball is positioned outside the mounting groove, two ends of each limiting plate are respectively embedded into the two clamping grooves, two anti-falling grooves are formed in the side wall of each limiting plate, and the two anti-falling grooves are respectively abutted against the two anti-falling steel balls in the corresponding to the bottom of each clamping groove.

Preferably, the thickness of the limiting plate is equal to the groove width of the clamping groove, the anti-falling groove is a kidney-shaped groove, and the groove width of the anti-falling groove is larger than the outer diameter of the steel ball.

Preferably, the tightening direction of the auxiliary nut is the same as the tightening direction of the nut body.

Preferably, the lower projections of the auxiliary nuts are all located on the upper end face of the second cylinder.

Preferably, the auxiliary nut is a hexagonal nut, and the clamping groove is arranged on a vertical bisector of one side surface of the auxiliary nut.

Preferably, a plurality of reinforcing ribs are arranged in the middle of the two side walls of the limiting plate, and the reinforcing ribs are horizontally arranged long strips.

Preferably, the length of the limiting plate is smaller than the distance between the bottoms of the two clamping grooves.

The utility model has the beneficial effects that: according to the utility model, the auxiliary nut is screwed on the nut main body, the limiting plate is clamped on the clamping groove of the auxiliary nut, so that the auxiliary nut cannot rotate, and finally the nut main body cannot rotate, so that the nut main body cannot loosen, and the high locking property of the nut main body is ensured; the steel ball, the spring and the anti-falling groove are matched, so that the limiting plate can be conveniently clamped into the clamping groove.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a front view of a high lock hex nut of the present utility model;

fig. 2 is a schematic view of an auxiliary nut of the high lock hexagonal nut of the present utility model.

In the figure: the nut comprises a 1-nut main body, a 2-auxiliary nut, a 3-limiting plate, a 11-first column body, a 12-second column body, a 20-clamping groove, a 21-mounting groove, a 22-spring, a 23-steel ball, a 30-reinforcing rib and a 31-anti-falling groove.

[ detailed description ] of the utility model

Referring to fig. 1 and 2, the high locking hexagonal nut of the utility model comprises a nut main body 1, two auxiliary nuts 2, clamping grooves 20, springs 22, steel balls 23 and limiting plates 3, wherein the nut main body 1 is provided with two clamping grooves 20 which are vertically arranged, the two nut main bodies 1 are respectively screwed on two adjacent and parallel screws, the nut main body 1 consists of a first column 11 and a second column 12 which are integrally formed, the first column 11 and the second column 12 are coaxial, the second column 12 is fixed at the bottom of the first column 11, the first column 11 is cylindrical, the second column 12 is in a regular hexagonal prism shape, the first column 11 is externally provided with external threads, the auxiliary nuts 2 are screwed on the first column 11, the side walls of the auxiliary nuts 2 are provided with clamping grooves 20 which are vertically arranged, the clamping grooves 20 penetrate through the upper end and the lower end of the auxiliary nuts 2, one side wall of each clamping groove 20 is provided with a mounting groove 21, the bottom of each mounting groove 21 is fixedly provided with a spring 22, the tail end of each spring 22 is fixedly provided with one steel ball 23, one part 23 is provided with one end of each clamping groove 23, the two corresponding two limiting plates 31 are arranged at the two ends of each clamping groove 23, and the two corresponding steel balls 31 are embedded in the two limiting plates 31, and the two steel balls 31 are respectively embedded in the two limiting plates 31.

The thickness of the limiting plate 3 is equal to the groove width of the clamping groove 20, the anti-falling groove 31 is a kidney-shaped groove, and the groove width of the anti-falling groove 31 is larger than the outer diameter of the steel ball 23, so that the limiting plate 3 is not excessively limited by the horizontal heights of the two auxiliary nuts 2 during installation, and the two auxiliary nuts 2 can be smoothly installed even if the limiting plate 3 is deviated.

The tightening direction of the auxiliary nut 2 is the same as the tightening direction of the nut body 1, so that the nut body 1 is not loosened when the auxiliary nut 2 is tightened after the nut body 1 is tightened.

The lower projection of the auxiliary nut 2 is located entirely on the upper end face of the second cylinder 12 so that the nut can be adapted for installation in a corner position.

The auxiliary nut 2 is a hexagonal nut, and the clamping groove 20 is arranged on a vertical bisector of one side surface of the auxiliary nut 2.

The middle parts of the two side walls of the limiting plate 3 are respectively provided with a plurality of reinforcing ribs 30, the reinforcing ribs 30 are horizontally arranged long strips, the strength of the limiting plate 3 can be improved on the basis of excessively increasing the material consumption of the limiting plate 3, and the limiting plate 3 is not easy to deform.

The length of the limiting plate 3 is smaller than the distance between the bottoms of the two clamping grooves 20, so that the limiting plate 3 is convenient to clamp into the clamping grooves 20.

The working process of the utility model comprises the following steps:

the high locking hexagonal nut is suitable for occasions where the bottom ends of two nuts are flush after the two nuts are screwed in the working process. The two nut bodies 1 are respectively screwed on two adjacent and parallel screws, one auxiliary nut 2 is respectively screwed on the two nut bodies 1 after the nut bodies 1 are screwed, the clamping grooves 20 on the two auxiliary nuts 2 are adjusted to be opposite, two ends of the limiting plate 3 are clamped into the clamping grooves 20 from top to bottom, when the limiting plate 3 is clamped, the steel balls 23 firstly retract into the mounting grooves 21 under the compression of the limiting plate 3, then are popped up and embedded into the anti-falling grooves 31 under the action of the springs 22, and the limiting plate 3 is fixed. Due to the limiting plate 3, the nut body 1 cannot rotate any more, so that the nut body 1 cannot loosen, and high locking performance of the nut is ensured.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. High locking hexagonal nut, its characterized in that: the steel ball type nut comprises a nut body (1), auxiliary nuts (2), clamping grooves (20), springs (22), steel balls (23) and limiting plates (3), wherein the two nut bodies (1) are screwed on two adjacent and parallel screws respectively, the nut body (1) consists of a first cylinder (11) and a second cylinder (12) which are of an integral structure, the first cylinder (11) and the second cylinder (12) are coaxial, the second cylinder (12) is fixed at the bottom of the first cylinder (11), the first cylinder (11) is cylindrical, the second cylinder (12) is of a regular hexagonal prism shape, external threads are arranged outside the first cylinder (11), the auxiliary nuts (2) are screwed on the first cylinder (11), a clamping groove (20) which is vertically arranged is formed in the side wall of each auxiliary nut (2), the clamping groove (20) penetrates through the upper end and the lower end of each auxiliary nut (2), the clamping groove (20) on each auxiliary nut (2) is oppositely arranged, one side wall of the clamping groove (20) is provided with a mounting groove (21), the spring (21) is mounted at the bottom of the groove (21), the steel balls (23) are mounted at the bottom of the groove, two ends of the limiting plate (3) are respectively embedded into the two clamping grooves (20), two anti-falling grooves (31) are formed in the side wall of the limiting plate (3), the two anti-falling grooves (31) respectively correspond to steel balls (23) in the two clamping grooves (20), and the steel balls (23) are propped against the bottoms of the anti-falling grooves (31).

2. The high lock hex nut as set forth in claim 1, wherein: the thickness of the limiting plate (3) is equal to the groove width of the clamping groove (20), the anti-falling groove (31) is a kidney-shaped groove, and the groove width of the anti-falling groove (31) is larger than the outer diameter of the steel ball (23).

3. The high lock hex nut as set forth in claim 1, wherein: the screwing direction of the auxiliary nut (2) is the same as the screwing direction of the nut main body (1).

4. The high lock hex nut as set forth in claim 1, wherein: the lower projections of the auxiliary nuts (2) are all positioned on the upper end face of the second column (12).

5. The high lock hex nut as set forth in claim 1, wherein: the auxiliary nut (2) is a hexagonal nut, and the clamping groove (20) is arranged on the vertical bisector of one side surface of the auxiliary nut (2).

6. The high lock hex nut as set forth in claim 1, wherein: the middle parts of the two side walls of the limiting plate (3) are respectively provided with a plurality of reinforcing ribs (30), and the reinforcing ribs (30) are horizontally arranged long strips.

7. The high lock hex nut as set forth in claim 1, wherein: the length of the limiting plate (3) is smaller than the distance between the bottoms of the two clamping grooves (20).