CN218953782U

CN218953782U - Torsional shearing type hexagonal anti-skid bolt

Info

Publication number: CN218953782U
Application number: CN202320068934.3U
Authority: CN
Inventors: 诸葛晓勇; 诸葛晓峰
Original assignee: Wenzhou Aobo Fastener Co ltd
Current assignee: Wenzhou Aobo Fastener Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-02
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the technical field of torsional shear type bolts, in particular to a torsional shear type hexagonal anti-skid bolt which comprises a nut, wherein a forward screw rod is fixedly connected to the top of the nut, a gasket is sleeved and arranged at the top of the nut at the bottom of an outer ring surface of the forward screw rod, a fastening nut is connected to a forward screw thread at the top of the outer ring surface of the forward screw rod, a reverse screw rod is fixedly arranged at the top of the forward screw rod, and an anti-skid reverse rotation nut is connected to a screw thread at the outer ring surface of the reverse screw rod.

Description

Torsional shearing type hexagonal anti-skid bolt

Technical Field

The utility model relates to the technical field of anti-skid of steel structure large hexagonal torsional shear type bolts, in particular to a torsional shear type hexagonal anti-skid bolt.

Background

The steel structure bolt is divided into a torsional shear type high-strength bolt and a large hexagonal high-strength bolt, the large hexagonal high-strength bolt belongs to the high strength level of a common screw, the torsional shear type high-strength bolt is an improved type of the large hexagonal high-strength bolt, the large hexagonal steel structure bolt consists of one bolt, one nut and two gaskets for better construction, the torsional shear type steel structure bolt consists of one bolt, one nut and one gasket, but the torsional shear type steel structure bolt has no anti-skid structure design after installation, and the problem that a fastened piece is loosened after sliding wires appear in long-term use.

In summary, the utility model solves the existing problems by designing the torsion-shear type hexagonal anti-skid bolt.

Disclosure of Invention

The utility model aims to provide a torsion shear type hexagonal anti-skid bolt so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the torsional shear type hexagonal anti-skid bolt comprises a nut, wherein a forward screw is fixedly connected to the top of the nut, a gasket is sleeved at the top of the nut at the bottom of the outer ring surface of the forward screw, a fastening nut is connected to the forward screw teeth at the top of the outer ring surface of the forward screw in a threaded manner, a reverse screw is fixedly arranged at the top of the forward screw, an anti-skid reverse rotating nut is connected to the outer ring surface of the reverse screw in a threaded manner, and a plum blossom torque head is fixedly arranged at the top of the reverse screw.

As a preferable scheme of the utility model, after the forward screw passes through the through hole on the tightened piece, the gasket is positioned at the bottom of the tightened piece, the fastening nut is positioned at the top of the tightened piece, and the top of the outer ring surface of the forward screw is provided with forward screwing threads.

As a preferable scheme of the utility model, the gasket is sleeved on the outer ring surface of the forward screw rod in a sliding way.

As a preferable scheme of the utility model, the top of the fastening nut is mutually attached to the bottom of the anti-skid reverse rotation nut, and the fastening nut is screwed down clockwise on the outer ring surface of the forward screw.

As a preferable scheme of the utility model, the anti-skid counter-rotating nut is screwed anticlockwise on the directional screw rod, and the bottom of the anti-skid counter-rotating nut after being screwed is used for extruding the top of the fastening nut.

As a preferred solution of the utility model, the quincuncial torque head breaks and falls off when the fastening nut is twisted to a certain torque by the torque sleeve helper.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the designed torsion shear type hexagonal anti-slip bolt, after the fastening nut receives certain torsion and is screwed to enable the plum blossom torsion head to break and fall off, the anti-slip reverse rotation nut is used for reversely rotating on the reverse screw rod to enable the bottom of the anti-slip reverse rotation nut to be extruded and limited with the top of the fastening nut, so that certain anti-slip efficiency is achieved, the stability and reliability of the torsion shear type bolt are improved, and the problem that a tightened piece is loosened due to sliding teeth when the torsion shear type bolt is installed for a certain time is effectively solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a layered construction diagram of a fastening nut and an anti-slip counter-rotating nut of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 according to the present utility model.

In the figure: 1. a screw cap; 2. a forward screw; 3. a gasket; 4. a fastening nut; 5. an anti-slip counter-rotating nut; 6. reversing the screw; 7. quincuncial torque head.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a torsional shear type hexagonal antiskid bolt, including nut 1, the top fixedly connected with forward screw rod 2 of nut 1, the top cover that the outer loop face bottom of forward screw rod 2 is located nut 1 is established and is installed gasket 3, threaded connection has fastening nut 4 on the outer loop face top forward thread of forward screw rod 2, the top fixed mounting of forward screw rod 2 has reverse screw rod 6, threaded connection has anti-skidding reverse rotation nut 5 on the outer loop face of reverse screw rod 6, the top fixed mounting of reverse screw rod 6 has plum blossom torsion head 7.

Specifically, referring to fig. 1, 2 and 3, after the forward screw 2 passes through the through hole on the tightened piece, the washer 3 is located at the bottom of the tightened piece and the fastening nut 4 is located at the top of the tightened piece, and the top of the outer ring surface of the forward screw 2 is provided with forward screwing threads, so that the tightened piece is clamped when the fastening nut 4 is screwed clockwise.

Further, the gasket 3 is slidably sleeved on the outer ring surface of the forward screw rod 2, the top of the fastening nut 4 is mutually attached to the bottom of the anti-slip reverse rotation nut 5, the outer ring surface of the forward screw rod 2 of the fastening nut 4 is screwed down clockwise, the anti-slip reverse rotation nut 5 is screwed down anticlockwise on the directional screw rod 6, the bottom of the anti-slip reverse rotation nut 5 after being screwed down extrudes the top of the fastening nut 4, and the fastening nut 4 can be effectively prevented from being tightly propped against by the reverse rotation nut 5 when sliding.

Specifically, referring to fig. 1 and 3, the quincuncial torque head 7 breaks and falls when the fastening nut 4 is twisted to a certain torque by the torque sleeve helper, thereby guaranteeing the tightening torque of the fastening nut 4.

The working flow of the utility model is as follows: when the torsional shear type bolt is used, the quincuncial torque head 7, the reverse screw rod 6 and the forward screw rod 2 are inserted from the bottom of the through hole of the tightened piece, the gasket 3 is positioned at the bottom of the tightened piece, the fastening nut 4 is sleeved on the forward screw rod 2 from the outside of the quincuncial torque head 7, the fastening nut 4 is firstly screwed clockwise to a certain extent by a manual helper, then the fastening nut 4 is further screwed by using a special electric torsional shear sleeve until the quincuncial torque head 7 breaks and falls off, at the moment, the anti-skid reverse rotation nut 5 is screwed on the reverse screw rod 6 anticlockwise, the bottom of the anti-skid reverse rotation nut 5 extrudes the top of the fastening nut 4, and the rotation directions of the fastening nut 4 and the anti-skid reverse rotation nut 5 are opposite, so that the fastening nut 4 can be effectively prevented from being tightly propped against by the reverse rotation nut 5 when sliding, a certain anti-skid efficiency is achieved, and the stability and reliability of the torsional shear type bolt is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The torsional shear type hexagonal anti-slip bolt comprises a nut (1), and is characterized in that: the nut is characterized in that the top of the nut (1) is fixedly connected with a forward screw (2), the bottom of the outer ring surface of the forward screw (2) is sleeved with a gasket (3) at the top of the nut (1), the top of the outer ring surface of the forward screw (2) is connected with a fastening nut (4) in a threaded manner, the top of the forward screw (2) is fixedly provided with a reverse screw (6), the outer ring surface of the reverse screw (6) is connected with an anti-slip reverse rotation nut (5) in a threaded manner, and the top of the reverse screw (6) is fixedly provided with a plum blossom torque head (7).

2. The twist-shear type hexagonal anti-slip bolt of claim 1, wherein: after the forward screw rod (2) passes through the through hole on the tightened piece, the gasket (3) is positioned at the bottom of the tightened piece, the fastening nut (4) is positioned at the top of the tightened piece, and the top of the outer ring surface of the forward screw rod (2) is provided with forward screwing threads.

3. The twist-shear type hexagonal anti-slip bolt of claim 1, wherein: the gasket (3) is arranged on the outer ring surface of the forward screw (2) in a sliding sleeve mode.

4. The twist-shear type hexagonal anti-slip bolt of claim 1, wherein: the top of the fastening nut (4) is mutually attached to the bottom of the anti-slip reverse rotation nut (5), and the fastening nut (4) is screwed down clockwise on the outer ring surface of the forward screw (2).

5. The twist-shear type hexagonal anti-slip bolt of claim 1, wherein: the anti-skid counter-rotating nut (5) is screwed anticlockwise on the directional screw rod (6), and the bottom of the anti-skid counter-rotating nut (5) after being screwed is used for extruding the top of the fastening nut (4).

6. The twist-shear type hexagonal anti-slip bolt of claim 1, wherein: the quincuncial torque head (7) breaks and falls when the fastening nut (4) is twisted to a certain torque by the torque sleeve helper.