CN213655399U

CN213655399U - Hexagonal cross washer drill tail screw

Info

Publication number: CN213655399U
Application number: CN202022709173.4U
Authority: CN
Inventors: 金天峰
Original assignee: Haiyan Xingxin Hardware Co ltd
Current assignee: Haiyan Xingxin Hardware Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-07-09
Anticipated expiration: 2030-11-21

Abstract

The utility model discloses a hexagonal cross huasi drill tail screw, including drill tail screw main part, drill tail screw main part includes dismouting mechanism, fastening device and double-screw bolt, dismouting mechanism sets up at drill tail screw main part top, fastening device sets up in dismouting mechanism bottom relative to drill tail screw main part first half, the double-screw bolt sets up in dismouting mechanism bottom; the utility model is provided with the dismounting mechanism, so that the worker can still use the cross screwdriver to dismount the main body of the self-drilling screw after the cross groove B is worn, and the problem that the main body of the self-drilling screw cannot be dismounted due to the wear of the cross groove B is avoided; through being equipped with fastener, be convenient for improve the fastening degree between gasket and the wall body to through being equipped with the packing ring, thereby play the waterproof effect of certain degree, the effectual life who prolongs the brill tail screw main part.

Description

Hexagonal cross washer drill tail screw

Technical Field

The utility model relates to a bore tail screw technical field, specifically be a tail screw is bored to hexagonal cross china department.

Background

The tail of the self-drilling screw is in a self-drilling or pointed tail shape, auxiliary processing is not needed, drilling, tapping and locking can be directly carried out on the setting material and the base material, and the construction time is greatly saved. Compared with common screws, the screw has high drawing force and holding force, can not loosen after being combined for a long time, and is safe to use. In particular, the self-tapping self-drilling screw is an economical fastener which is optimum for joining all places such as construction, building, housing, etc., in terms of workability, cost, and reliability.

The utility model provides a current hexagonal cross china department bores tail screw at the in-process that uses, when the user only has an instrument, easily because of cross recess wearing and tearing or hexagonal end wearing and tearing lead to hexagonal cross china department to bore tail screw and can't twist soon to make hexagonal cross china department after the fixing bore tail screw can't take out, be 201921878729.3 a good quick detachable brill tail screw of fastening like application number, further optimize to boring tail screw wholly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tail screw is bored to hexagonal cross china department to solve the problem mentioned in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hexagonal cross china department bores tail screw, includes bores tail screw main part, bores tail screw main part including dismouting mechanism, fastening device and double-screw bolt, dismouting mechanism sets up at bores tail screw main part top, fastening device sets up for boring first half of tail screw main part in dismouting mechanism bottom, the double-screw bolt sets up in dismouting mechanism bottom.

Further, dismouting mechanism includes the link, the cross recess A of integral type structure is seted up to the link top surface, the spread groove has been seted up to the link inboard, be fixed with the fixture block on the spread groove inner wall, the spread groove inboard is connected with the stiff end, the draw-in groove has been seted up to the stiff end side, just cross recess B has been seted up at the stiff end top.

Further, fastening device includes the gasket, the gasket bottom surface is provided with the connection nail, the gasket middle part is fixed with the packing ring.

Furthermore, the positions of the cross groove A and the cross groove B correspond to each other, and the positions of the connecting groove and the fixed end correspond to each other and are matched with each other.

Further, the draw-in groove equidistance sets up in the stiff end side, draw-in groove and fixture block position correspond each other and the adaptation.

Furthermore, the washer and the stud are in interference fit, the washer is a rubber component, and the connecting nails are arranged on the bottom surface of the gasket in an annular array mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the dismounting mechanism, so that the worker can still use the cross screwdriver to dismount the main body of the self-drilling screw after the cross groove B is worn, and the problem that the main body of the self-drilling screw cannot be dismounted due to the wear of the cross groove B is avoided; through being equipped with fastener, be convenient for improve the fastening degree between gasket and the wall body to through being equipped with the packing ring, thereby play the waterproof effect of certain degree, the effectual life who prolongs the brill tail screw main part.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of a hexagonal cross washer self-drilling screw of the present invention;

FIG. 2 is a schematic structural view of a screw mounting and dismounting mechanism for a drill tail of a hexagonal cross washer of the present invention;

FIG. 3 is a schematic structural view of the screw connection end of the drill tail of the hexagonal cross washer of the present invention;

FIG. 4 is a schematic structural view of a drill tail screw fastening mechanism of a hexagonal cross washer of the present invention;

in the figure: 1. a self-drilling screw body; 2. a disassembly and assembly mechanism; 21. a connecting end; 22. a cross groove A; 23. a fixed end; 24. a card slot; 25. a cross groove B; 26. connecting grooves; 27. a clamping block; 3. a fastening mechanism; 31. a gasket; 32. a gasket; 33. a connecting nail; 4. a stud.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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. 1-4, the present invention provides a technical solution: the utility model provides a hexagonal cross china department bores tail screw, includes bores tail screw main part 1, bores tail screw main part 1 including dismouting mechanism 2, fastening device 3 and double-screw bolt 4, and dismouting mechanism 2 sets up at boring tail screw main part 1 top, and fastening device 3 sets up in dismouting mechanism 2 bottom for boring first half of tail screw main part 1, and double-screw bolt 4 sets up in dismouting mechanism 2 bottom.

In order to facilitate the detachment of the connecting end 21, in this embodiment, preferably, the detachment mechanism 2 includes the connecting end 21, a cross groove a22 of an integrated structure is opened on the top surface of the connecting end 21, a connecting groove 26 is opened on the inner side of the connecting end 21, a clamping block 27 is fixed on the inner wall of the connecting groove 26, a fixed end 23 is connected on the inner side of the connecting groove 26, a clamping groove 24 is opened on the side surface of the fixed end 23, and a cross groove B25 is opened on the.

In order to fix the gasket 31 on the wall, in the present embodiment, preferably, the fastening mechanism 3 includes the gasket 31, the bottom surface of the gasket 31 is provided with a connecting nail 33, and the middle part of the gasket 31 is fixed with a washer 32.

In order to facilitate the engagement of the connecting end 21 and the fixed end 23, in this embodiment, it is preferable that the cross-shaped groove a22 and the cross-shaped groove B25 are corresponding to each other in position, and the connecting groove 26 and the fixed end 23 are corresponding to each other in position and are adapted to each other.

In order to facilitate the engagement between the latch 27 and the slot 24, in the embodiment, preferably, the slot 24 is disposed on the side surface of the fixing end 23 at an equal distance, and the slot 24 and the latch 27 are corresponding and adapted to each other.

In order to increase the fastening degree between the gasket 31 and the wall, in the embodiment, preferably, the washer 32 and the stud 4 are in interference fit, the washer 32 is a rubber member, and the connecting nails 33 are arranged on the bottom surface of the gasket 31 in an annular array.

It should be noted that, when the hexagonal cross washer self-drilling screw works, when the worker only has the cross screwdriver and the cross groove B25 of the self-drilling screw main body 1 is worn, the worker can connect the connecting end 21 with the fixing end 23 in a clamping manner, then insert the end of the cross screwdriver into the cross groove a22, and rotate the cross screwdriver, so that the self-drilling screw main body 1 can be taken out, or the screw can be sleeved outside the connecting end 21 by a tool for removing the hexagonal screw, and the tool can be rotated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tail screw is bored to hexagonal cross china department, includes and bores tail screw main part (1), its characterized in that: the self-drilling screw main body (1) comprises a dismounting mechanism (2), a fastening mechanism (3) and a stud (4), the dismounting mechanism (2) is arranged at the top of the self-drilling screw main body (1), the fastening mechanism (3) is arranged at the bottom of the dismounting mechanism (2) relative to the upper half part of the self-drilling screw main body (1), and the stud (4) is arranged at the bottom of the dismounting mechanism (2).

2. The hexagonal cross washer self-drilling screw according to claim 1, wherein the disassembling and assembling mechanism (2) comprises a connecting end (21), the top surface of the connecting end (21) is provided with a cross groove A (22) of an integrated structure, the connecting end (21) is internally provided with a connecting groove (26), a clamping block (27) is fixed on the inner wall of the connecting groove (26), the fixing end (23) is connected to the inner side of the connecting groove (26), the side surface of the fixing end (23) is provided with a clamping groove (24), and the top of the fixing end (23) is provided with a cross groove B (25).

3. The hexagonal cross washer self-drilling screw according to claim 1, wherein the fastening mechanism (3) comprises a gasket (31), a connecting nail (33) is arranged on the bottom surface of the gasket (31), and a washer (32) is fixed in the middle of the gasket (31).

4. A hexagonal cross washer drill tail screw according to claim 2, characterized in that the cross recess a (22) and the cross recess B (25) correspond to each other in position, and the connecting recess (26) and the fixing end (23) correspond to each other in position and are adapted to each other.

5. The hexagonal cross washer drill tail screw according to claim 2, wherein the clamping grooves (24) are equidistantly arranged on the side surface of the fixed end (23), and the positions of the clamping grooves (24) and the clamping blocks (27) correspond to each other and are matched with each other.

6. The hexagonal cross washer self-drilling screw according to claim 3, wherein the washer (32) is in interference fit with the stud (4), the washer (32) is a rubber component, and the connecting nails (33) are arranged on the bottom surface of the washer (31) in an annular array.