CN214463504U

CN214463504U - Self-tapping screw for building door and window

Info

Publication number: CN214463504U
Application number: CN202023142842.0U
Authority: CN
Inventors: 张志山
Original assignee: Tianjin Beiersimei Technology Co ltd
Current assignee: Tianjin Beiersimei Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-22
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a self-tapping screw for building door and window, including the screw body, the top fixedly connected with nut of screw body, well lower part in the nut is provided with the second screw hole, well upper portion in the nut is provided with interior hexagonal hole, the upper end evenly distributed of nut has the fixed slot, all be provided with the magnetism post in the fixed slot, the equal fixed connection in lower surface middle part periphery of dustproof cap in the top of magnetism post, the upper end middle part of dustproof cap is provided with first screw hole. The utility model discloses in, through the setting of second screw hole, interior hexagonal hole and first screw hole, make self-tapping screw have very strong practicality, can not cause the waste of screw, through the fixed of magnetism post and fixed slot, make dust cap can give fine protection of nut, avoid the nut to be blockked up by dirty thing, also can be very convenient when dismantling, be worth wideling popularize.

Description

Self-tapping screw for building door and window

Technical Field

The utility model relates to a self-tapping screw field especially relates to a self-tapping screw for building door and window.

Background

The self-tapping screw is a threaded fastener for self-tapping and drilling matched female threads in a pre-drilled hole of a metal or non-metal material, and has the characteristics of high tension, single piece and unilateral combination.

Building doors and windows in the existing market use the self-tapping screw, there are two very not good problems to be solved always, firstly, when the self-tapping screw uses, the screw hole often can be too big because people use the screwdriver power, lead to the screw hole inefficacy, thereby lead to a self-tapping screw to scrap, not only delay the engineering progress, still can cause the waste of self-tapping screw, secondly, when the self-tapping screw is installed and is used, the nut contacts outside air for a long time and probably can corrode, perhaps the nut is blockked up by dirty thing, lead to there being very big trouble when people dismantle the self-tapping screw.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a self-tapping screw for building doors and windows.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a building is self-tapping screw for door and window, includes the screw body, the top fixedly connected with nut of screw body, well lower part in the nut is provided with the second screw hole, well upper portion in the nut is provided with interior hexagonal hole, the upper end evenly distributed of nut has the fixed slot, all be provided with the magnetism post in the fixed slot, the equal fixed connection in lower surface middle part periphery of dustproof cap in the top of magnetism post, the upper end middle part of dustproof cap is provided with first screw hole.

As a further description of the above technical solution:

the lower end of the screw body is fixedly connected with a self-tapping head.

As a further description of the above technical solution:

and self-tapping screw threads are arranged on the periphery of the middle part of the screw body.

As a further description of the above technical solution:

the periphery of the upper end of the screw body is sleeved with a gasket.

As a further description of the above technical solution:

and the lower part of the hexagon socket hole is communicated with the upper part of the second screw hole.

As a further description of the above technical solution:

the number of the fixing grooves is four.

As a further description of the above technical solution:

the periphery of the screw body is uniformly distributed with a zinc coating.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first install for self-tapping screw through the inside second screw hole of nut, through interior hexagonal hole and first screw hole as the reserve of screw body installation, if the second screw hole leads to inefficacy because screwdriver power is too big, so can install for the screw body through second screw hole and interior hexagonal hole homoenergetic, avoid when the screw body installation is used, because the inefficacy of screw hole leads to the waste of a screw, can not cause the waste of screw, also can promote the engineering progress simultaneously.

2. The utility model discloses in, through the fixed of magnetic column and fixed slot, make the dust cap can give fine protection of nut, avoid the nut inside to rust, after the screw body is installed well, avoid the nut to be blockked up by dirty thing like this, when needs lift self-tapping screw off, also very convenient, also can be very convenient when dismantling, be worth wideling popularize.

Drawings

Fig. 1 is a perspective view of a self-tapping screw for building doors and windows provided by the present invention;

fig. 2 is a cross-sectional structural view of a self-tapping screw for building doors and windows provided by the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a tapping head; 2. self-tapping screw threads; 3. a gasket; 4. fixing grooves; 5. a first screw hole; 6. a dust cap; 7. a magnetic column; 8. an inner hexagonal hole; 9. a nut; 10. a screw body; 11. a second screw hole; 12. and (4) a zinc coating.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a self-tapping screw for building doors and windows comprises a screw body 10, a screw cap 9 is fixedly connected to the top end of the screw body 10, a second screw hole 11 is formed in the middle lower portion of the interior of the screw cap 9, a hexagon socket 8 is formed in the middle upper portion of the interior of the screw cap 9, after the self-tapping screw is installed, a dustproof cap 6 is fixed to the upper surface of the screw cap 9 through a fixing groove 4 and a magnetic column 7, the problem that the screw is difficult to detach due to blockage of the hexagon socket 8 caused by dirt is solved, meanwhile, the screw cap 9 is prevented from being rusted severely, fixing grooves 4 are uniformly distributed in the upper end of the screw cap 9, the magnetic columns 7 are arranged in the fixing grooves 4, the top ends of the magnetic columns 7 are fixedly connected to the periphery of the middle portion of the lower surface of the dustproof cap 6, when the self-tapping screw for building doors and windows is used, the dustproof cap 6 is taken out of the fixing groove 4 of the screw cap 9 firstly, the screw cap 9 is made of iron, and the magnetic columns 7 have strong magnetism, therefore, the dustproof cap 6 is stable on the nut 9, the dustproof cap can be well separated when the dustproof cap is separated, a screwdriver is used for installing the screw body 10 on a building material needing to be installed through the second screw hole 11, the first screw hole 5 is arranged in the middle of the upper end of the dustproof cap 6, when the screw body 10 is installed, if the second screw hole 11 fails to work, the screw body 10 can be installed through the hexagon socket 8, the screw body 10 has strong use performance, the dustproof cap can not be discarded at will, meanwhile, the construction material cost can be saved, if the hexagon socket 8 cannot be used, the dustproof cap 6 can be fixed on the nut 9, the screw body 10 is installed on the building material needing to be installed through the first screw hole 5, and the self-tapping screw is high in utilization rate due to the arrangement.

The lower end of the screw body 10 is fixedly connected with a tapping head 1, the tapping head 1 is used for enabling the screw body 10 to enter a building material in a self-tapping mode, tapping screw teeth 2 are arranged on the periphery of the middle of the screw body 10, the tapping screw teeth 2 are used for being installed on a fixed body, a gasket 3 is sleeved on the periphery of the upper end of the screw body 10, the gasket 3 avoids loosening when the screw body 10 is used, the lower portion of a hexagon socket 8 is communicated with the upper portion of a second screw hole 11 and is convenient to use and operate, the number of four fixing grooves 4 is four, the four fixing grooves 4 and the magnetic columns 7 are convenient to fix and fix a dustproof cap 6, zinc-plated layers 12 are uniformly distributed on the periphery of the screw body 10, the zinc-plated layers 12 can improve the corrosion resistance of the screw body 10, if no prefabricated hole is drilled on the building material, the self-tapping head 1 can be installed on the building material, and the self-tapping screw is very flexible to use due to the arrangement, the self-tapping screw 2 is mounted on the building material and fixed by the self-tapping screw 2.

The working principle is as follows: when the self-tapping screw for building doors and windows is used, the dustproof cap 6 is firstly taken out of the fixing groove 4 of the nut 9, the nut 9 is iron, and the magnetic column 7 has strong magnetism, so that the dustproof cap 6 is stable on the nut 9, the screw body 10 is installed on a building material needing to be installed through the second screw hole 11 by using a screwdriver, when the screw body 10 is installed, if no prefabricated hole is drilled on the building material, the self-tapping screw can be installed on the building material through the self-tapping head 1, the self-tapping screw is very flexible to use, the screw body 10 is installed on the building material through the self-tapping screw teeth 2, if the second screw hole 11 fails, the screw body 10 can be installed through the hexagon socket hole 8, so that the screw body 10 has strong practicability, cannot be discarded at will, and meanwhile, the construction material cost can be saved, if hexagonal hole 8 can not used still can fix dustproof cap 6 on nut 9 in the fruit, install screw body 10 on the building material that needs the installation through first screw hole 5, such setting makes self-tapping screw high-usage, after self-tapping screw installs, fix dustproof cap 6 on nut 9 through fixed slot 4 and magnetic column 7, avoid hexagonal hole 8 to lead to the screw to be difficult to dismantle when dismantling because of dirty thing blocks up, also can avoid the violent corrosion of nut 9 simultaneously, be worth wideling popularize.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a self-tapping screw for building door and window, includes screw body (10), its characterized in that: the top fixedly connected with nut (9) of screw body (10), well lower part in nut (9) is provided with second screw hole (11), well upper portion in nut (9) is provided with interior hexagonal hole (8), the upper end evenly distributed of nut (9) has fixed slot (4), all be provided with magnetic column (7) in fixed slot (4), the equal fixed connection in lower surface middle part periphery of dustproof cap (6) in top of magnetic column (7), the upper end middle part of dustproof cap (6) is provided with first screw hole (5).

2. The self-tapping screw for building doors and windows according to claim 1, wherein: the lower end of the screw body (10) is fixedly connected with a self-tapping head (1).

3. The self-tapping screw for building doors and windows according to claim 1, wherein: and self-tapping threads (2) are arranged on the periphery of the middle part of the screw body (10).

4. The self-tapping screw for building doors and windows according to claim 1, wherein: the periphery of the upper end of the screw body (10) is sleeved with a gasket (3).

5. The self-tapping screw for building doors and windows according to claim 1, wherein: the lower part of the hexagon socket hole (8) is communicated with the upper part of the second screw hole (11).

6. The self-tapping screw for building doors and windows according to claim 1, wherein: the number of the fixing grooves (4) is four.

7. The self-tapping screw for building doors and windows according to claim 1, wherein: the periphery of the screw body (10) is uniformly distributed with a zinc coating (12).