CN216975463U

CN216975463U - High-strength anti-loosening screw

Info

Publication number: CN216975463U
Application number: CN202122885213.5U
Authority: CN
Inventors: 庄铭江
Original assignee: Jinjiang Shuangtian Auto Parts Co ltd
Current assignee: Jinjiang Shuangtian Auto Parts Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-07-15
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a high-strength anti-loosening screw, which belongs to the field of hardware accessories and comprises a body, wherein the body comprises a movable piece and a fixed piece, the movable piece and the fixed piece are provided with mutually aligned threads, the movable piece and the fixed piece are in sliding connection, an anti-loosening hole is formed in the fixed piece, an anti-loosening nail is arranged in the anti-loosening hole and is in threaded connection with the movable piece, and the anti-loosening nail pulls the movable piece to ensure that the threads on the movable piece and the threads on the fixed piece are staggered, so that the movable piece and the fixed piece respectively abut against two sides of the threads in the workpiece, and the mutual extrusion force is improved, thereby achieving the anti-loosening effect.

Description

High-strength anti-loosening screw

Technical Field

The utility model discloses a high-strength anti-loosening screw, and belongs to the field of hardware fittings.

Background

The screw is a tool for fastening the parts of the object step by utilizing the physical and mathematical principles of the inclined circular rotation and the friction force of the object. Screws are a common term for fasteners, a daily spoken word. The screw is indispensable industry requisite in daily life: very small screws used in cameras, glasses, clocks, electronics, etc.; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric cars, automobiles and the like are used together by using large and small screws. The screw has an important task in industry, and as long as there is industry on earth, the function of the screw is always important. The screw is a common invention in production and life of people for thousands of years, and is the first invention of human according to the application field.

The existing screws are used more in mechanical equipment, the operation of the mechanical equipment is often accompanied with vibration, the loosening condition of the existing screws is very easy to occur in the vibration environment, so that the equipment is easy to break down, the production efficiency is influenced, and the problem is solved by urgently needing a high-strength anti-loosening screw.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a high-strength anti-loosening screw.

The utility model realizes the aim through the following technical scheme, and the high-strength anti-loosening screw comprises a body, wherein the body comprises a movable piece and a fixed piece, the movable piece and the fixed piece are provided with mutually aligned threads, the movable piece is in sliding connection with the fixed piece, the fixed piece is provided with an anti-loosening hole, an anti-loosening nail is arranged in the anti-loosening hole, and the anti-loosening nail is in threaded connection with the movable piece.

By adopting the technical scheme, the locking nail pulls the movable piece, so that the threads on the movable piece and the threads on the fixed piece are staggered, the movable piece and the fixed piece respectively support against two sides of the threads in the workpiece, the extrusion force between the movable piece and the fixed piece is improved, and the locking effect is achieved.

Preferably, the fixed member is provided with a guide groove, the movable member is provided with a guide protrusion, and the guide protrusion is in sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, the guide way makes when using can be better the alignment with the screw thread on the stationary part to it is more convenient to let the use.

Preferably, the body further comprises a screw head, and a position yielding port for enabling the thread of the movable piece to be staggered with the thread of the fixed piece is arranged between the movable piece and the screw head.

Through adopting above-mentioned technical scheme, the distance that the mouth of stepping down made the movable piece can the displacement increases to let the screw thread on the movable piece can be better support and press the work piece.

Preferably, the anti-loosening nail is provided with a hexagonal groove for driving the anti-loosening nail to rotate.

Through adopting above-mentioned technical scheme, what the hexagonal groove was is to locking nail's operation more convenient.

Preferably, a fastening glue is coated between the screw head and the anti-loose nail.

Through adopting above-mentioned technical scheme, the fastening is glued and can be made locking nail will be moving the fixed back, and locking nail can not oneself become flexible to better improvement locking effect.

Preferably, the anti-loosening nail is made of manganese steel.

Through adopting above-mentioned technical scheme, the check nail that the manganese steel was made for check nail has the effect of hard and rich toughness again, and better preventing becomes flexible.

Compared with the prior art, the utility model has the beneficial effects that: the movable piece is pulled through the anti-loosening nail, so that the movable piece and the fixed piece generate displacement, the threads on the movable piece and the threads on the fixed piece are staggered with each other, the movable piece and the fixed piece extrude the threads of the workpiece in different directions, the extrusion force is increased, and the screw obtains a better anti-loosening effect.

Drawings

FIG. 1 is an exploded view of a high-strength anti-loosening screw according to the present invention;

FIG. 2 is a schematic cross-sectional view of a high-strength anti-loosening screw according to the present invention;

fig. 3 is a schematic bottom view of a high-strength anti-loosening screw according to the present invention.

Reference numerals: 1. a stationary member; 2. a movable member; 3. a screw head; 4. a guide groove; 5. a guide projection; 6. a lock pin; 7. a let position port; 8. and (4) preventing loosening.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the designated 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, fig. 2, fig. 3, a high strength check screw, which comprises a body, the body includes that the movable part 2 with decide 1, movable part 2 with decide 1 on be provided with the screw thread that aligns each other, movable part 2 with decide 1 sliding connection, it is provided with locking hole 8 to decide 1, be provided with locking nail 6 in the locking hole 8,

locking nail

6 and 2 threaded connection of moving part, it is provided with guide way 4 on 1 to decide, be provided with direction arch 5 on the movable part 2, direction arch 5 and guide way 4 sliding fit, the body still includes spiral shell head 3, be provided with between movable part 2 and the spiral shell head 3 and be used for making the screw thread of movable part 2 and the abdicating mouth 7 that the screw thread of deciding 1 misplaced mutually.

During the use, will move piece 2 and fixed piece 1 and splice each other through guide way 4 and guide protrusion 5, make the screw thread on moving piece 2 and the fixed piece 1 align each other, will move piece 2 and fixed piece 1 together along the screw hole of work piece twist, when will fixed piece 1 twist to the fastening state, will prevent loosing nail 6 and insert through preventing loose hole 8, then twist locking nail 6, along with locking nail 6 twists moving piece 2 gradually, make moving piece 2 by loosing nail 6 pulling to the screw surface removal, and through letting position mouth 7, make moving piece 2 can not support with spiral shell head 3 when removing and press, thereby it only can support the pressure work piece to let moving piece 2 when removing, through the upper and lower both ends that fixed piece 1 supported the screw thread respectively, thereby let moving piece 2 and the extrusion force promotion of fixed piece 1 to the work piece, let locking piece 2 and fixed piece 1 supported the pressure by the work piece and lock, the effect that reaches.

Be provided with on the locking nail 6 and be used for driving 6 pivoted hexagonal grooves of locking nail, the hexagonal groove can directly be twisted through interior hexagonal spanner and move, and it is more convenient to use. The coating has the fastening glue between spiral shell head 3 and the locking nail 6, glues locking nail 6 and spiral shell head 3 mutually through the fastening glue for difficult being twisted between locking nail 6 and the spiral shell head 3 moves, thereby better reach locking effect. Locking nail 6 adopts the manganese steel to make, and locking nail 6 that the manganese steel was made for locking nail 6 has the effect of hard and rich toughness again, has avoided producing the deformation at 6 pulling of locking nail 2, and better preventing is not hard up.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high strength check screw, includes the body, its characterized in that, the body is including moving piece (2) and piece (1), move piece (2) and be provided with the screw thread that aligns each other on piece (1), move piece (2) and piece (1) sliding connection, it prevents loose hole (8) to be provided with on piece (1), be provided with in preventing loose hole (8) check pin (6), check pin (6) and piece (2) threaded connection.

2. The high-strength anti-loosening screw as claimed in claim 1, wherein: the fixed piece (1) is provided with a guide groove (4), the movable piece (2) is provided with a guide protrusion (5), and the guide protrusion (5) is in sliding fit with the guide groove (4).

3. The high-strength anti-loosening screw as claimed in claim 1, wherein: the body still includes spiral shell head (3), be provided with between movable piece (2) and spiral shell head (3) and be used for making the screw thread of movable piece (2) and the screw thread of stationary piece (1) dislocation let position mouth (7) mutually.

4. A high-strength check screw as set forth in claim 3, wherein: the anti-loosening nail (6) is provided with a hexagonal groove used for driving the anti-loosening nail (6) to rotate.

5. A high-strength check screw as set forth in claim 3, wherein: and a fastening glue is coated between the screw head (3) and the anti-loosening nail (6).

6. The high-strength anti-loosening screw as claimed in claim 1, wherein: the anti-loosening nail (6) is made of manganese steel.