CN211423134U

CN211423134U - Groove self-locking anti-loosening nut and matched bolt assembly thereof

Info

Publication number: CN211423134U
Application number: CN201922102231.4U
Authority: CN
Inventors: 吕国义
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-04
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a slot is from locking-type locking nut of moving rather than supporting bolt assembly, the not hard up problem of connecting piece is solved to the predominant use. The self-locking anti-loosening nut of slot and its supporting bolt assembly include: the device comprises a nut with a hole, a bolt with a groove, a stop shovel with a hole and an internal thread at the top end, a stop shovel sleeve, a spring, a cover plate, a pin, a magnet rod and a thin screw rod. The assembly is composed of the nut with the hole, the stop shovel with the hole, a stop shovel sleeve, a spring, a pin, a cover plate and a rivet, the nut with the hole in the assembly is screwed into the bolt with the groove, the connecting piece is sleeved on the bolt with the groove, the pin on the stop shovel with the hole is pulled out, and the nut with the hole in the assembly is locked. When the connecting piece needs to be disassembled, the magnet rod is selected to suck the locking shovel with the hole, the pin is inserted into the hole of the locking shovel with the hole, the assembly is screwed down, and the nut with the hole and the bolt with the groove are reused.

Description

Groove self-locking anti-loosening nut and matched bolt assembly thereof

The technical field is as follows:

the utility model relates to a nut locking structure that moves especially relates to a slot is from locking-type locking nut of moving and supporting bolt assembly thereof.

Background art:

general mechanical machines all can produce vibrations in the course of the work, can cause the not hard up phenomenon of adapting unit when vibrations produce. Particularly, in the departments of mines, railways, textiles and the like with large vibration, the connecting piece is easy to loosen and fall off, and accidents are caused. In order to solve the problems, a groove self-locking anti-loosening nut with a novel structure and a bolt assembly matched with the groove self-locking anti-loosening nut are needed.

The invention content is as follows:

the utility model discloses a first purpose provides a slot is from locking-type locking nut of moving rather than supporting bolt assembly, prevents not hard up of connecting piece, reduces the emergence of accident.

The second purpose of the utility model is to provide a groove that can used repeatedly is from locking-type locking nut of locking-type and the extracting tool of its supporting bolt assembly.

In order to realize the first purpose, the utility model adopts the following technical scheme:

a groove self-locking anti-loosening nut and a matched bolt assembly thereof comprise: the device comprises a nut with a hole, a bolt with a groove, a stop shovel with a hole and an internal thread at the top end, a stop shovel sleeve, a cover plate, a spring, a rivet and a pin. The method is characterized in that: a perforated stopping shovel sleeved with a spring or a perforated stopping shovel with an internal thread at the top end is arranged in the cylinder of the stopping shovel sleeve to form a component I. And a component I is arranged in the hole of the nut with the hole to form a component II. And a cover plate forming component III is fixed above the nut hole with the hole in the component II by a rivet. And a pin is inserted into a hole of the stop shovel with the hole or the stop shovel with the hole and the top end with the internal thread in the component III to form a component IV. The groove self-locking anti-loosening nut and the matched bolt assembly are used for fixing and locking a connecting piece through a nut and a bolt. When the screw assembly is used, the bolt with the groove is penetrated into the connecting piece, and the assembly IV is screwed into the bolt with the groove and is screwed tightly. Aligning the direction of the hole-provided stopping shovel with the hole or the hole-provided stopping shovel with the internal thread at the top end in the screwing assembly IV with the direction of the groove of the bolt with the groove, and pulling off the pin on the hole-provided stopping shovel with the hole or the hole-provided stopping shovel with the internal thread at the top end. Under the action of the spring, the perforated stopping shovel or the perforated stopping shovel with the internal thread at the top end falls into the groove of the bolt with the groove to block the perforated nut in the component IV, so that the perforated nut in the component IV is not loosened any more, and the purpose of locking the connecting piece is achieved.

In order to realize the second purpose, the utility model adopts the following technical scheme:

a specialized removal tool comprising: magnetic iron rod, fine screw rod.

When the assembly IV and the bolt with the groove are required to be disassembled after the connecting piece is locked in the first purpose, when the assembly IV is used with the stopping shovel with the hole, the disassembling tool uses a magnet rod. And (3) sucking up the stop shovel with the holes in the component IV by using a magnet rod, inserting the pin, and screwing down the component IV by using a wrench to realize the reuse of the nut with the holes and the bolt with the groove.

When the assembly IV and the bolt with the groove are used for locking the connecting piece and the connecting piece needs to be disassembled in the first purpose, when the locking shovel with the internal thread at the top end is used in the assembly IV, the thin screw rod is used as the disassembling tool. Screwing a thin screw rod into the thread of the stop shovel with the hole and the internal thread at the top end, pulling up the stop shovel with the hole and the internal thread at the top end, and inserting a pin. And screwing off the component IV by using a wrench to realize the repeated use of the nut with the hole and the bolt with the groove.

Has the advantages that:

the groove self-locking anti-loosening nut and the matched bolt assembly have the advantages of simple and easy processing technology, low manufacturing cost, suitability for popularization and maintenance, reusability, firm locking and no loosening, and good social benefit.

Drawings

FIG. 1 is a perspective view of the middle assembly IV of the present invention

Figure 2 is an assembly drawing of the middle assembly IV of the utility model

FIG. 3 is a perspective view of the nut with holes of the present invention

FIG. 4 is a perspective view of the bolt with a slot of the present invention

FIG. 5 is a perspective view of the locking shovel with holes in the utility model

FIG. 6 is a perspective view of the locking shovel with a hole and an internal thread on the middle top end of the shovel

FIG. 7 is a cross-sectional view of the middle stop shovel sleeve of the present invention

FIG. 8 is a perspective view of the middle spring of the present invention

FIG. 9 is a perspective view of the middle cover plate of the present invention

FIG. 10 is a perspective view of the middle pin of the present invention

FIG. 11 is a perspective view of a rivet of the present invention

FIG. 12 is a perspective view of a middle magnet rod of the present invention

FIG. 13 is a perspective view of the middle and thin screw rod of the present invention

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and embodiments

Example 1:

refer to fig. 3, 4, 5, 6, 7, 8, 9, 10, 11.

A groove self-locking anti-loosening nut and a matched bolt assembly thereof comprise: the device comprises a nut (3) with a hole, a bolt (4) with a groove, a stop shovel (5) with a hole, a stop shovel (6) with a hole and an internal thread at the top end, a stop shovel sleeve (7), a spring (8), a cover plate (9), a pin (10) and a rivet (11).

As shown in the figure, a perforated stopping shovel (5) sleeved with a spring (8) or a perforated stopping shovel (6) with an internal thread at the top end is arranged in the perforated stopping shovel sleeve (7) to form a component I. The component I is arranged in the hole of the nut (3) with the hole to form a component II. And a cover plate (9) is fixed above the hole of the nut (3) with the hole in the component II by a rivet (11) to form a component III. A pin (10) is inserted into a hole of a stop shovel (5) with a hole or a stop shovel (6) with a hole and an internal thread at the top end in the component III to form a component IV. When in use, the bolt (4) with the groove is penetrated into the connecting piece, and the component IV is screwed into the bolt (4) with the groove and is screwed tightly. Aligning the hole direction of the perforated stopping shovel (5) or the perforated stopping shovel (6) with the internal thread at the top end in the screwing assembly IV with the groove direction of the grooved bolt (4), and pulling off the pin (10) on the perforated stopping shovel (5) or the perforated stopping shovel (6) with the internal thread at the top end. Under the action of the spring (8), the perforated stopping shovel (5) or the perforated stopping shovel (6) with the top end provided with the internal thread falls into the groove of the bolt with the groove to block the perforated nut (3) in the component IV, so that the perforated nut (3) in the component IV is not loosened any more, and the purpose of locking the connecting piece is achieved. In order to determine whether the perforated stopping shovel (5) or the perforated stopping shovel (6) with the internal thread at the top end falls into the groove of the grooved bolt, whether the top end face of the perforated stopping shovel (5) or the perforated stopping shovel (6) with the internal thread at the top end is flush with the cover plate (9) can be observed. The leveling indicates that the perforated stop shovel (5) or the perforated stop shovel (6) with the top end provided with the internal thread has fallen into the groove of the grooved bolt. The nut (3) with holes in the component IV can be finely adjusted by a spanner when the nut is not level, so that the stop shovel (5) with holes or the stop shovel (6) with holes and internal threads at the top end can fall into the groove of the bolt (4) with the groove, and the top end face is level with the cover plate (9).

Example 2:

refer to fig. 12 and 13.

The slot is from locking-type locking nut of moving rather than supporting bolt assembly, includes: a magnet rod (12) and a fine screw rod (13).

When the connecting piece needs to be disassembled and the stopping shovel (6) with the top end provided with the internal thread is used in the assembly IV, the thin screw rod (13) is used as a disassembling tool. Screwing a thin screw rod into the thread of the perforated stopping shovel (6) with the internal thread at the top end, pulling up the perforated stopping shovel (6) with the internal thread at the top end, inserting the pin (10) into the hole of the perforated stopping shovel with the internal thread at the top end, and screwing down the component IV by using a wrench to realize the repeated use of the perforated nut and the bolt with the groove.

When the connecting piece needs to be disassembled and the assembly IV uses the stopping shovel (5) with the hole, the disassembling tool uses the magnet rod (12). And (3) sucking up the stopping shovel (5) with the holes in the component IV by using a magnet rod, inserting the pin (10) into the hole of the stopping shovel with the holes, and screwing down the component IV by using a wrench to realize the repeated use of the nut (3) with the holes and the bolt (4) with the groove.

Claims

1. The slot is from locking-type locking nut rather than supporting bolt assembly, its characterized in that: the hole-shaped bolt with the groove comprises a nut with the hole (3) and a bolt with the groove (4) matched with the nut with the hole, wherein the hole of the nut with the hole (3) is communicated with an internal thread from the top end surface, a locking shovel sleeve (7) is arranged in the hole, a locking shovel (5) with the hole and sleeved with a spring (8) is arranged in the locking shovel sleeve (7), and the bolt body of the bolt with the groove (4) is evenly provided with four grooves in the longitudinal direction and is matched with the nut with the hole (3) for use.

2. The groove self-locking anti-loosening nut and the matched bolt assembly thereof according to claim 1, wherein: the lower end of the stop shovel (5) with the hole is of a shovel shape, a hole is drilled at the position close to the upper end face, and the direction of the hole is consistent with the direction of the shovel tip.

3. The groove self-locking anti-loosening nut and the matched bolt assembly thereof according to claim 1, wherein: the upper end round hole of the locking shovel sleeve (7) is smaller than the lower end round hole and is matched with the locking shovel (5) with the hole for use, the upper end round hole of the locking shovel sleeve (7) can pass through the upper end of the locking shovel (5) with the hole, and the lower end locking shovel head cannot pass through.