CN216199729U

CN216199729U - Anti-loosening shockproof screw

Info

Publication number: CN216199729U
Application number: CN202122755130.4U
Authority: CN
Inventors: 蒋卫祥
Original assignee: Jiaxing Yongyi Precision Technology Co ltd
Current assignee: Jiaxing Yongyi Precision Technology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-05
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a locking shockproof screw which comprises a hexagonal screw head, wherein a fixed circular plate is arranged at the lower end of the hexagonal screw head, a screw rod is arranged in the middle of the lower end of the fixed circular plate, threads are arranged on the outer side surface of the screw rod, a blind hole is formed in the lower end part of the screw rod, a spring is arranged in the blind hole, the lower end part of the spring is connected with a buffer pressing block, the shape of the buffer pressing block is matched with that of the blind hole, a plurality of magnet blocks are embedded and fixed on the lower end surface of the fixed circular plate, a plurality of anti-skid lugs are annularly arranged on the outer side of the upper part of the screw rod, and the outer surface of each anti-skid lug is a tooth surface. According to the utility model, the spring and the buffer block are arranged to buffer external vibration, so that the screw is prevented from loosening due to vibration, and the stability of screw connection is ensured; the arrangement of the magnet block enables the screw to be better fixed with the outside, and the fastening performance of screw installation is enhanced.

Description

Anti-loosening shockproof screw

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of fasteners, in particular to the technical field of anti-loosening and anti-vibration screws.

[ background of the utility model ]

The Screw is a Screw (foreign name: Screw), which is a tool for fastening the parts of an object step by utilizing the physics and mathematical principle of the inclined circular rotation and friction of the object.

After the existing screw connection is installed well, after the screw connection is used for a long time, the problem of looseness can occur under the vibration of external equipment.

[ Utility model ] content

The utility model aims to solve the problems in the prior art and provides an anti-loosening and anti-vibration screw which can effectively prevent the screw from loosening under long-time vibration and ensure the tightness of screw connection.

In order to achieve the purpose, the utility model provides an anti-loosening and anti-vibration screw which comprises a hexagonal screw head, wherein a fixed circular plate is arranged at the lower end of the hexagonal screw head, a screw rod is arranged in the middle of the lower end of the fixed circular plate, threads are arranged on the outer side surface of the screw rod, a blind hole is formed in the lower end portion of the screw rod, a spring is arranged in the blind hole, a buffer pressing block is connected to the lower end portion of the spring, the shape of the buffer pressing block is matched with that of the blind hole, a plurality of magnet blocks are embedded and fixed on the lower end surface of the fixed circular plate, a plurality of anti-sliding convex blocks are annularly arranged on the outer side of the upper portion of the screw rod, and the outer surface of each anti-sliding convex block is a tooth surface.

Preferably, the bottom of the buffer pressing block is provided with a screw tip.

Preferably, eight magnet blocks are provided, and eight magnet blocks are uniformly arranged around the outer periphery of the fixed disk.

Preferably, the number of the anti-skid lugs is four, and the four anti-skid lugs are uniformly arranged on the outer side surface of the screw rod in a surrounding mode.

Preferably, the buffer pressing block is in a truncated cone shape with a small top and a large bottom.

The utility model has the beneficial effects that: according to the utility model, the spring and the buffer block are arranged to buffer external vibration, so that the screw is prevented from loosening due to vibration, and the stability of screw connection is ensured; the arrangement of the magnet block enables the screw to be better fixed with the outside, and the mounting tightness of the screw is enhanced; set up skid proof block, improve the connection fastening nature of screw installation, prevent that the screw from taking place to rotate and slide.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a locking and shock-proof screw according to the present invention;

FIG. 2 is a schematic cross-sectional view of a locking and anti-vibration screw according to the present invention;

FIG. 3 is a schematic view of a magnet block of the anti-loosening and anti-vibration screw of the present invention;

FIG. 4 is a schematic view of an anti-slip bump structure of the anti-loosening and anti-vibration screw of the present invention.

In the figure: 1-hexagon screw head, 2-fixed circular plate, 3-screw, 4-blind hole, 5-spring, 6-buffer pressing block, 7-magnet block, 8-anti-skid convex block and 61-screw tip.

[ detailed description ] embodiments

Referring to fig. 1, 2, 3 and 4, the anti-loosening and anti-vibration screw comprises a hexagon screw head 1, a fixed circular plate 2 is arranged at the lower end of the hexagon screw head 1, a screw rod 3 is arranged in the middle of the lower end of the fixed circular plate 2, threads are arranged on the outer side surface of the screw rod 3, a blind hole 4 is arranged at the lower end part of the screw rod 3, a spring 5 is arranged in the blind hole 4, a buffer pressing block 6 is connected to the lower end part of the spring 5, the shape of the buffer pressing block 6 is matched with that of the blind hole 4, a plurality of magnet blocks 7 are embedded and fixed on the lower end surface of the fixed circular plate 2, a plurality of anti-sliding lugs 8 are annularly arranged on the outer side of the upper part of the screw rod 3, the outer surface of the anti-sliding lugs 8 is a tooth surface, screw tips 61 are arranged at the bottom of the buffer pressing block 6, eight magnet blocks 7 are uniformly arranged on the outer peripheral part of the fixed circular plate 2, the anti-skid blocks 8 are four, the four anti-skid blocks 8 are uniformly arranged on the outer side surface of the screw rod 3 in a surrounding mode, and the buffering pressing block 6 is in a round table shape with a small upper part and a large lower part.

The working process of the utility model is as follows:

in the working process of the anti-loosening and anti-vibration screw, the spring and the buffer block are arranged in the blind hole to buffer external vibration, so that the screw is prevented from loosening due to vibration, and the connection stability of the screw is ensured; the arrangement of the magnet block enables the screw to be better fixed with the outside, and the mounting tightness of the screw is enhanced; set up skid proof block, improve the connection fastening nature of screw installation, prevent that the screw from taking place to rotate and slide.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. A locking shockproof screw is characterized in that: including hexagonal screw head (1), the lower extreme position department of hexagonal screw head (1) is equipped with fixed plectane (2), department is equipped with screw rod (3) in the middle of the lower extreme of fixed plectane (2), the outside surface of screw rod (3) is equipped with the screw thread, the lower tip of screw rod (3) is equipped with blind hole (4), spring (5) are equipped with in blind hole (4), the lower tip of spring (5) is connected with buffering briquetting (6), the shape and the blind hole (4) phase-match of buffering briquetting (6), the lower terminal surface of fixed plectane (2) is inlayed and is fixed with a plurality of magnet pieces (7), the upper portion outside ring of screw rod (3) is equipped with a plurality of skid proof block (8), the surface of skid proof block (8) is the flank of tooth.

2. The anti-loosening and anti-vibration screw according to claim 1, wherein: the bottom of the buffer pressing block (6) is provided with a screw tip (61).

3. The anti-loosening and anti-vibration screw according to claim 1, wherein: eight magnet blocks (7) are arranged, and the eight magnet blocks (7) are uniformly arranged on the outer periphery of the fixed circular plate (2) in a ring mode.

4. The anti-loosening and anti-vibration screw according to claim 1, wherein: the anti-skid blocks (8) are four, and the four anti-skid blocks (8) are uniformly arranged on the outer side surface of the screw rod (3) in a surrounding mode.

5. The anti-loosening and anti-vibration screw according to claim 1, wherein: the buffering pressing block (6) is in a circular truncated cone shape with a small upper part and a large lower part.