CN215409654U

CN215409654U - Self-tapping screw with anti-skidding silk effect

Info

Publication number: CN215409654U
Application number: CN202121540184.2U
Authority: CN
Inventors: 黄笑花
Original assignee: Shenzhen Junyu Precision Intelligent Manufacturing Co ltd
Current assignee: Shenzhen Junyu Precision Intelligent Manufacturing Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-04
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a self-tapping screw with an anti-skid thread effect, which adopts the technical scheme that: including the silk post, the fixed silk head that is provided with in silk post top, the silk head top is seted up flutedly, a plurality of through-holes have been seted up to the recess inner wall, the through-hole extends to the silk head outer wall, the spout has all been seted up to roof and interior diapire in the through-hole, the spout extends to the silk head outer wall, the inside stopper that is provided with of through-hole, the shape at stopper both ends is the same, stopper one end extends to inside the recess, the equal fixedly connected with slider in stopper top center and bottom center, a self tapping screw with anti-skidding silk effect's beneficial effect is: through setting up a plurality of detachable stoppers, when the stopper wearing and tearing lead to smooth silk, can rotate earlier and dismantle the spacing ring, install again behind the stopper adjustment direction to this screw is conveniently dismantled, and this screw can continue to use simultaneously, and the practicality is stronger.

Description

Self-tapping screw with anti-skidding silk effect

Technical Field

The utility model relates to the technical field of screws, in particular to a self-tapping screw with an anti-skidding thread effect.

Background

The self-tapping screw is a screw with a drill bit, and drilling, tapping, fixing and locking are completed at one time through construction of a special electric tool. The self-tapping screw is mainly used for connecting and fixing thin plate pieces, such as connection of a color steel plate and a color steel plate, connection of the color steel plate, purlines and wall beams and the like, and the penetration capacity of the self-tapping screw is generally not more than 6mm and maximally not more than 12 mm.

The prior art has the following defects: the existing partial self-tapping screw cannot be disassembled due to the fact that the inner wall of a groove at the end part of the screw is abraded, the screw cannot be continuously used after being disassembled although the screw is disassembled by using methods such as a rubber belt, cutting and welding, and the like, and needs to be further improved.

Therefore, it is necessary to design a self-tapping screw having a thread slipping prevention effect to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a self-tapping screw with an anti-skidding thread effect, the screw can be conveniently disassembled by arranging a detachable limiting block, and the direction of the limiting block is changed when the limiting block is worn, and the screw can be reused, so that the problems that the existing part of the self-tapping screw cannot be disassembled due to thread slipping caused by abrasion of the inner wall of a groove at the end part, the screw cannot be continuously used after being disassembled although the disassembling of the screw is realized by using methods such as a rubber belt, cutting, welding and the like at present, and further improvement is needed are solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a self tapping screw with antiskid silk effect, includes the silk column, the fixed silk head that is provided with in silk column top, the silk head top is seted up flutedly, a plurality of through-holes have been seted up to the recess inner wall, the through-hole extends to the silk head outer wall, the spout has all been seted up to roof and interior diapire in the through-hole, the spout extends to the silk head outer wall, the inside stopper that is provided with of through-hole, the shape at stopper both ends is the same, stopper one end extends to inside the recess, the equal fixedly connected with slider in stopper top center and bottom center, the slider is located inside the spout and matches with the spout, threaded connection has the spacing ring still in the silk head outside, the stopper tip is pressed close to the spacing ring inner wall.

Preferably, the limiting block comprises a base block, and reinforcing end heads are fixedly connected to two sides of the base block.

Preferably, the outer edge of the screw head is provided with an external thread, and the inner wall of the limit ring is provided with an internal thread matched with the external thread.

Preferably, the outer surface of the limiting ring is provided with anti-skid stripes which are uniformly distributed.

Preferably, the outer surface of the limit ring is further provided with two symmetrically distributed flat notches.

Preferably, the reinforcing end head is in a triangular prism shape and is made of high-carbon steel.

Preferably, the length of the internal thread is greater than the length of the external thread.

Preferably, the sliding block is positioned at the end part of the sliding groove close to one end of the groove.

The utility model has the beneficial effects that:

1. according to the utility model, the plurality of detachable limiting blocks are arranged, when the limiting blocks are worn to cause thread slipping, the limiting rings can be rotated and detached firstly, and then the limiting blocks are installed again after the direction is adjusted, so that the screws are convenient to detach, and meanwhile, the screws can be continuously used, and the practicability is stronger.

2. According to the utility model, through arranging the limiting ring in threaded connection, when the threads on the screw post are worn and difficult to disassemble, the screw is rotated by using the screwdriver, and the limiting ring is rotated at the same time, so that the limiting ring is rotated downwards, the screw can be disassembled in an auxiliary manner, and the use is further facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a top cross-sectional view provided by the present invention;

FIG. 3 is a schematic structural view of a stop collar provided in the present invention;

fig. 4 is a schematic structural diagram of the filament head provided by the utility model.

In the figure: 1 screw post, 2 screw heads, 3 grooves, 4 through holes, 5 sliding grooves, 6 limiting blocks, 61 base blocks, 62 reinforcing end heads, 7 sliding blocks, 8 limiting rings, 9 external threads, 10 internal threads, 11 anti-slip stripes and 12 flat notches.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawings 1-4, the utility model provides a self-tapping screw with an anti-slip effect, which comprises a screw post 1, wherein a screw head 2 is fixedly arranged at the top end of the screw post 1, a groove 3 is arranged at the top of the screw head 2, a plurality of through holes 4 are arranged on the inner wall of the groove 3, the through holes 4 extend to the outer wall of the screw head 2, sliding grooves 5 are respectively arranged on the inner top wall and the inner bottom wall of the through holes 4, the sliding grooves 5 extend to the outer wall of the screw head 2, a limiting block 6 is arranged inside the through holes 4, the shapes of two ends of the limiting block 6 are the same, one end of the limiting block 6 extends to the inner part of the groove 3, sliding blocks 7 are fixedly connected at the top center and the bottom center of the limiting block 6, the sliding blocks 7 are positioned inside the sliding grooves 5 and matched with the sliding grooves 5, a limiting ring 8 is further in threaded connection with the outer side of the screw head 2, the inner wall of the limiting ring 8 is close to the end part of the limiting block 6, when the spacing ring 8 is installed on the screw head 2 in practical application, the spacing ring 8 can position the limiting block 6, and the limiting block 6 is prevented from shaking randomly.

Further, stopper 6 includes base block 61, end 62 is strengthened to the equal fixedly connected with in base block 61 both sides, and slider 7 sets up on base block 61 in the practical application, strengthens end 62 through setting up at base block 61 both ends, can improve the wear resistance of stopper 6 tip, reduces the probability of smooth silk.

Further, the outer edge of the screw head 2 is provided with an external thread 9, and the inner wall of the limit ring 8 is provided with an internal thread 10 matched with the external thread 9.

Furthermore, the outer surface of the limiting ring 8 is provided with the anti-skid stripes 11 which are uniformly distributed, so that the friction force can be improved, and the limiting ring 8 can be conveniently and manually rotated to realize the disassembly and assembly.

Further, the outer surface of the limit ring 8 is further provided with two symmetrically distributed flat notches 12, and the flat notches 12 are arranged, so that the limit ring 8 can be conveniently rotated in an auxiliary manner by using a wrench when the limit ring 8 is difficult to rotate manually.

Further, strengthen end 62 and set up to the triangular prism shape, strengthen end 62 and make by the high carbon steel material, the hardness of high carbon steel is stronger, is difficult for wearing and tearing, and then has reduced the probability of smooth silk.

Furthermore, the length of the internal thread 10 is greater than that of the external thread 9, so that the limiting ring 8 can move up and down, in practical operation, if the screw is slipped and is difficult to detach due to damage of the thread on the screw post 1, the limiting ring 8 can be rotated while the screw is rotated by using a screwdriver, so that the limiting ring 8 moves down and is extruded with the mounting surface, the screw is pushed to move outwards, and detachment is facilitated.

Further, slider 7 is located the tip that spout 5 is close to 3 one ends of recess, and 5 tip of spout can fix a position slider 7, avoid stopper 6 to rock at will.

The using process of the utility model is as follows: when the screw driver is used, the screw driver is inserted into the groove 3, the whole screw can be rotated by using the resistance of the screw driver and the limiting block 6, so that the mounting or dismounting of the screw is realized, when the screw cannot be dismounted after the reinforcing end head 62 in the groove 3 is worn, the limiting ring 8 is firstly rotated, the limiting ring 8 is moved upwards and then dismounted, then the limiting block 6 is taken out, the direction is changed, the whole reinforcing end head 62 is inserted into the through hole 4 again, the other reinforcing end head 62 can be inserted into the groove 3, the limiting block 6 is positioned by rotating the limiting ring 8 again, the screw can be dismounted smoothly by the screw driver, and meanwhile, the screw can be used continuously.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a self tapping screw with antiskid silk effect, includes screw post (1), its characterized in that: a screw head (2) is fixedly arranged at the top end of the screw column (1), a groove (3) is formed in the top of the screw head (2), a plurality of through holes (4) are arranged on the inner wall of the groove (3), the through holes (4) extend to the outer wall of the screw head (2), the inner top wall and the inner bottom wall of the through hole (4) are both provided with a sliding chute (5), the sliding chute (5) extends to the outer wall of the screw head (2), a limiting block (6) is arranged in the through hole (4), the shapes of two ends of the limiting block (6) are the same, one end of the limiting block (6) extends into the groove (3), the top center and the bottom center of the limiting block (6) are fixedly connected with sliding blocks (7), the sliding block (7) is positioned inside the sliding groove (5) and matched with the sliding groove (5), the outer side of the screw head (2) is further connected with a limiting ring (8) in a threaded manner, and the inner wall of the limiting ring (8) is close to the end part of the limiting block (6).

2. A self-tapping screw having a slip-preventing effect as defined in claim 1, wherein: the limiting block (6) comprises a base block (61), and reinforcing end heads (62) are fixedly connected to the two sides of the base block (61).

3. A self-tapping screw having a slip-preventing effect as defined in claim 1, wherein: the outer edge of the screw head (2) is provided with an external thread (9), and the inner wall of the limiting ring (8) is provided with an internal thread (10) matched with the external thread (9).

4. A self-tapping screw having a slip-preventing effect as defined in claim 1, wherein: the outer surface of the limiting ring (8) is provided with evenly distributed anti-skid stripes (11).

5. A self-tapping screw having a slip-preventing effect as defined in claim 1, wherein: the outer surface of the limiting ring (8) is also provided with two symmetrically distributed flat notches (12).

6. A self-tapping screw having a slip-preventing effect as defined in claim 2, wherein: the reinforcing end head (62) is in a triangular prism shape, and the reinforcing end head (62) is made of high-carbon steel.

7. A self-tapping screw having a slip-preventing effect as defined in claim 3, wherein: the length of the internal thread (10) is greater than that of the external thread (9).

8. A self-tapping screw having a slip-preventing effect as defined in claim 1, wherein: the sliding block (7) is positioned at the end part of the sliding groove (5) close to one end of the groove (3).