CN212717589U

CN212717589U - Anti-skid screw

Info

Publication number: CN212717589U
Application number: CN202021465230.2U
Authority: CN
Inventors: 李惠森
Original assignee: Shenzhen Nachenghui Technology Co ltd
Current assignee: Shenzhen Nachenghui Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an anti-skid screw, including screw post, screw head and extension post, screw post lateral surface is provided with external screw thread spare, and external screw thread spare lateral surface is provided with the non slipping spur, the screw head sets up at the screw post downside, and screw head lateral surface is provided with the strengthening rib, the setting of extension post is to the side on the screw post, and the side is provided with the fixed block on the extension post, the fixed block downside is provided with the non slipping spur, and the non slipping spur setting is in the extension post outside, and spacing hole has been seted up to the fixed block lateral surface simultaneously, the side is provided with the lug on the fixed block, and the lateral surface has seted up the cross hole. This anti-skidding screw is provided with non slipping spur and anti slipping member, when using this anti-skidding screw, through the anti-skidding effect of non slipping spur for the screw post is when driving external screw thread spare and rotate, and external screw thread spare is when the inside rotation of work piece, is difficult to take place the condition of skidding, and the effect through anti slipping member makes this anti-skidding screw fastness better simultaneously.

Description

Anti-skid screw

Technical Field

The utility model particularly relates to a screw technical field specifically is an anti-skidding screw.

Background

The screw is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is a general expression of a fastening piece, the screw is an indispensable industrial necessity in daily life, and the screw mainly has the function of connecting two workpieces together to play a role in fastening.

The existing screw is easy to slip in the screwing process, so that the screw cannot be fastened in use and is difficult to take down, and the existing screw is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antiskid screw to solve the present screw that proposes in the above-mentioned background art and take place the condition of skidding easily twisting the in-process of moving, thereby make the screw play the effect of fastening when using, be difficult to take off simultaneously, and the problem of present screw easy damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-slip screw, includes screw post, screw head and extension post, screw post lateral surface is provided with external screw thread spare, and external screw thread spare lateral surface is provided with the non slipping spur, the screw head sets up at screw post downside, and the screw head lateral surface is provided with the strengthening rib, the extension post sets up the side on the screw post, and the side is provided with the fixed block on the extension post, the fixed block downside is provided with the non slipping spur, and the non slipping spur setting is in the extension post outside, and spacing hole has been seted up to the fixed block lateral surface simultaneously.

Preferably, the upper side surface of the fixing block is provided with a convex block, and the upper side surface of the convex block is provided with a cross hole.

Preferably, the anti-skid blocks are arranged at equal intervals.

Preferably, the reinforcing ribs are symmetrically arranged about a central axis of the screw head.

Preferably, the diameter of the elongated column is equal to the diameter of the screw column.

Preferably, the bottom view shape of the anti-slip piece is circular.

Preferably, the limiting holes are symmetrically arranged about the central axis of the fixing block.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-skid screw is provided with a screw head,

(1) the anti-skidding screw is provided with the anti-skidding blocks and the anti-skidding pieces, when the anti-skidding screw is used, the screw column drives the external screw thread pieces to rotate under the anti-skidding action of the anti-skidding blocks, the external screw thread pieces are not easy to skid when rotating inside a workpiece, and meanwhile, the anti-skidding screw is better in firmness under the action of the anti-skidding pieces;

(2) the anti-skid screw is provided with a limiting hole, and when the cross hole on the anti-skid screw is seriously worn and cannot be used when the anti-skid screw is used, the anti-skid screw is conveniently rotatably installed or taken down by inserting the cylindrical rod into the limiting hole;

(3) be provided with the strengthening rib, when using this anti-skidding screw, through the effect of strengthening rib for inside the screw head enters into the work piece, the intensity of screw head is higher, causes the screw head to be difficult to damage, thereby makes this anti-skidding screw life increase.

Drawings

FIG. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the screw post according to the present invention;

fig. 3 is a schematic view of the fixed block of the present invention;

fig. 4 is a schematic view of the top view structure of the fixing block of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the screw comprises a screw post, 2, an external thread member, 3, an anti-skid block, 4, a screw head, 5, a reinforcing rib, 6, an extension post, 7, a fixing block, 8, an anti-skid member, 9, a limiting hole, 10, a convex block, 11 and a cross hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an anti-skidding screw, as shown in fig. 2 and 5, 1 lateral surface of screw post is provided with external screw thread spare 2, and 2 lateral surfaces of external screw thread spare are provided with non slipping spur 3, non slipping spur 3 is equidistant setting, effect through non slipping spur 3, make screw post 1 drive external screw thread spare 2 and rotate inside the work piece, external screw thread spare 2 is difficult to take place gliding condition, screw head 4 sets up at 1 downside of screw post, and 4 lateral surfaces of screw head are provided with strengthening rib 5, strengthening rib 5 sets up about the axis symmetry of screw head 4, effect through strengthening rib 5, make the intensity of screw head 4 obtain improving.

As shown in fig. 1, 3 and 4, the lengthening column 6 is arranged on the upper side of the screw column 1, the fixing block 7 is arranged on the upper side of the lengthening column 6, the diameter of the lengthening column 6 is equal to that of the screw column 1, the anti-skid member 8 on the fixing block 7 is not easy to contact with the external screw member 2 under the action of the lengthening column 6, the anti-skid member 8 is arranged on the lower side of the fixing block 7, the anti-skid member 8 is arranged on the outer side of the lengthening column 6, the anti-skid member 8 is circular in upward view shape, the limiting performance of the fixing block 7 is better under the action of the anti-skid member 8, the limiting hole 9 is arranged on the outer side of the fixing block 7, the limiting hole 9 is symmetrically arranged about the central axis of the fixing block 7, and the round rod can be inserted into the limiting hole 9 under the action of the limiting hole 9 when the cross hole 11 on the bump 10 is, the upper side of the fixing block 7 is provided with a convex block 10, and the upper side of the convex block 10 is provided with a cross hole 11.

The working principle is as follows: when the anti-slip screw is used, the screwdriver is connected with the cross hole 11 on the upper side of the convex block 10, the convex block 10 drives the fixing block 7, the lengthened post 6, the screw post 1 and the screw head 4 to rotate by rotating the screwdriver, the screw head 4 enters the inside of a workpiece by rotating, the strength of the screw head 4 is improved by the action of the reinforcing rib 5, after the screw head 4 enters the inside of the workpiece more easily, the friction force of the screw head 4 is better, the screw head 4 enters the inside of the workpiece more conveniently, meanwhile, when the screw post 1 drives the external thread part 2 to enter the inside of the workpiece, the external thread part 2 drives the external thread part 2 to enter the inside of the workpiece by the action of the anti-slip block 3, the sliding condition of the external thread part 2 is not easy to occur, so that the screw post 1 can enter the inside of the workpiece better, after the external thread part 2 and the lengthened post 6 both enter the inside of, the anti-skid component 8 on the lower side of the fixing block 7 can improve the friction force of the fixing block 7, so that the anti-skid screw can be conveniently mounted and dismounted, and meanwhile, when the cross hole 11 on the upper side of the lug 10 is seriously abraded, the round rod is inserted into the limiting hole 9 on the fixing block 7, so that the anti-skid screw can be conveniently mounted and dismounted, the use of the anti-skid screw is not easily influenced, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an antiskid screw, includes screw post (1), screw head (4) and extension post (6), its characterized in that: screw post (1) lateral surface is provided with external screw thread spare (2), and external screw thread spare (2) lateral surface is provided with non slipping spur (3), screw head (4) set up at screw post (1) downside, and screw head (4) lateral surface is provided with strengthening rib (5), add long post (6) and set up the side on screw post (1), and add long post (6) side and be provided with fixed block (7), fixed block (7) downside is provided with non slipping spur (8), and non slipping spur (8) sets up in adding long post (6) outside, and spacing hole (9) have been seted up to fixed block (7) lateral surface simultaneously.

2. A non-slip screw as defined in claim 1, wherein: the upper side surface of the fixing block (7) is provided with a convex block (10), and the upper side surface of the convex block (10) is provided with a cross hole (11).

3. A non-slip screw as defined in claim 1, wherein: the anti-skid blocks (3) are arranged at equal intervals.

4. A non-slip screw as defined in claim 1, wherein: the reinforcing ribs (5) are symmetrically arranged around the central axis of the screw head (4).

5. A non-slip screw as defined in claim 1, wherein: the diameter of the lengthening column (6) is equal to that of the screw column (1).

6. A non-slip screw as defined in claim 1, wherein: the bottom view shape of the anti-skid piece (8) is circular.

7. A non-slip screw as defined in claim 1, wherein: the limiting holes (9) are symmetrically arranged relative to the central axis of the fixing block (7).