CN216666173U

CN216666173U - Nylon head self-drilling screw with aluminum conjoined gasket

Info

Publication number: CN216666173U
Application number: CN202123285342.7U
Authority: CN
Inventors: 黄琳俐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-03
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a nylon head self-drilling screw with an aluminum conjoined gasket, which consists of a screw cap, a screw and a conjoined gasket component, wherein the screw cap comprises a screw rod, the upper end of the screw rod is provided with a screw head which is integrally formed with the screw rod, the lower end of the screw rod is provided with a cutting part which is integrally formed with the screw rod, the outer surface of the screw rod is provided with threads, the screw cap and the screw head are connected and fixed through an injection molding process, the screw cap is made of nylon materials, the conjoined gasket component consists of a sealing plate and a sealing sheet which is made of ethylene propylene diene monomer rubber materials, and the sealing sheet is fixedly connected with the sealing plate.

Description

Nylon head self-drilling screw with aluminum conjoined gasket

Technical Field

The utility model relates to a screw, in particular to a nylon-headed self-drilling screw with an aluminum conjoined gasket.

Background

The self-drilling screw is widely used for connecting and mounting metal plates such as stainless steel, metal steel plates, galvanized steel plates and the like. The surface hardness and the center hardness of the self-tapping screw are higher than those of a general self-tapping screw. The tail part 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. However, the conventional self-drilling screw mainly has the following defects:

1. the existing self-drilling screw is additionally provided with the waterproof cap, when construction is carried out, the screw is required to penetrate the waterproof cap and then is screwed to a material, construction trouble is caused, nailing is also influenced, meanwhile, the color of the waterproof cap begins to age and change color after the time of the waterproof cap is long, once the aged screw generates rusting and water leakage, and the maintenance cost is high.

2. The gasket of the existing self-drilling screw only adopts a common PVC gasket, the PVC gasket and a base material are fixed through structural adhesive after installation, and after long-time use, the structural adhesive is easy to crack, so that the phenomena of rusting and water leakage can occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide the nylon-headed self-drilling screw with the aluminum conjoined gasket, which has long service life and is not easy to cause the phenomena of water leakage and the like after the screw is installed, and the screw is rusted.

The utility model is realized by the following technical scheme: the screw comprises a screw rod, a screw head integrally formed with the screw rod is arranged at the upper end of the screw rod, a cutting part integrally formed with the screw rod is arranged at the lower end of the screw rod, threads are arranged on the outer surface of the screw rod, the screw head and the screw head are connected and fixed through an injection molding process, the screw cap is made of nylon materials, the integrated gasket component comprises a sealing plate and a sealing sheet, the sealing sheet is fixedly connected with the sealing plate, the shaft hole of the sealing sheet is smaller than that of the sealing plate, and the shaft hole of the sealing sheet is smaller than the outer diameter of the screw rod.

Preferably, the sealing plate of the present invention is made of any one of an aluminum plate, a 304 stainless steel plate, and a galvanized iron plate.

Preferably, the sealing sheet is made of ethylene propylene diene monomer.

Preferably, a plurality of arc-shaped connecting sheets are arranged on the end face of the nail head along the circumferential direction.

Preferably, the outer diameter of the nail head is larger than that of the nail rod.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. the screw cap is directly integrated with the nail head by injection molding by adopting the nylon material, thereby not only being difficult to age and deform, but also being convenient for construction and operation and not causing difficulty to nail.

2. The conjoined gasket component provided by the utility model consists of the sealing plate which is not easy to rust and the ethylene propylene diene monomer sealing piece, can play roles of rust prevention, water leakage prevention and aging prevention, solves the problem that the existing single-layer sealing gasket is easy to crack, and reduces the construction and maintenance cost.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of a screw according to the present invention;

FIG. 4 is a schematic top view of the structure of FIG. 3;

FIG. 5 is a schematic structural view of the conjoined gasket assembly of the present invention;

wherein: the screw comprises a nut 1, a screw cap 2, a screw nail 3, a connected gasket component 4, a screw rod 5, a screw head 6, a cutting part 7, a thread 8, a sealing plate 9, a sealing sheet 10 and an arc-shaped connecting sheet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The nylon head self-drilling screw with the aluminum conjoined gasket of the embodiment is shown in figures 1 to 5 and comprises a screw cap 1, a screw 2 and a conjoined gasket component 3, wherein the screw 2 comprises a screw rod 4, a screw head 5 integrally formed with the screw rod 4 is arranged at the upper end of the screw rod 4, the outer diameter of the screw head 5 is larger than the outer diameter of the screw rod 4, a cutting part 6 integrally formed with the screw rod is arranged at the lower end of the screw rod 4, threads 7 are arranged on the outer surface of the screw rod 4, the screw cap 1 and the screw head 5 are fixedly connected through an injection molding process, the screw cap 1 is made of a nylon material, and the nylon material is high in strength and difficult to deform and age.

In order to achieve water tightness after construction and installation, the shaft hole of the sealing sheet 9 is smaller than that of the sealing plate 8, the shaft hole of the sealing sheet (9) is smaller than the outer diameter of the nail rod 4, and the sealing sheet 9 has certain elasticity, so that after the nail rod 4 passes through the shaft hole of the sealing sheet 9 and a base material is screwed down by a self-drilling screw, the sealing sheet 9 can be tightly attached to the outer wall of the nail rod 4, and a sealing effect is formed.

Disjunctor gasket subassembly 3 comprises closing plate 8 and gasket 9, gasket 9 and closing plate 8 fixed connection, and closing plate 8 adopts any one of aluminum plate, 304 corrosion resistant plate or galvanized iron board, and gasket 9 adopts the ethylene propylene diene monomer material to make, and ethylene propylene diene monomer non-deformable is ageing, and the live time is longer to play and prevent that the screw from rustting, cause and leak.

In order to make the screw cap 1 and the pin head 5 more firm after injection molding and difficult to fall off, a plurality of arc-shaped connecting sheets 10 are arranged on the end surface of the pin head 5 along the circumferential direction, so that the plurality of arc-shaped connecting sheets firmly grasp the nylon inside and are more difficult to fall off.

The nut 1 of the utility model can be matched with various colors at will according to needs, and the nut can adopt various geometric shapes such as hexagon, quincunx and the like, the integral chromatic aberration of the product is basically consistent with the used plate (the color is prepared according to the plate), the construction is simple and rapid, the effect is beautiful, the cost is low, and the integral color is consistent with the color of the used plate after the construction.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a take nylon head of aluminium matter disjunctor gasket to bore tail screw which characterized in that: constitute by nut (1), screw (2) and disjunctor gasket subassembly (3), wherein screw (2) are including nailing pole (4), nail pole (4) upper end be equipped with rather than integrated into one piece's pin fin (5), nail pole (4) lower extreme be equipped with rather than integrated into one piece's cutting part (6), the surface of nailing pole (4) is equipped with screw thread (7), nut (1) is connected fixedly through the technology of moulding plastics with pin fin (5), and nut (1) adopts the nylon material to make, disjunctor gasket subassembly (3) comprise closing plate (8) and gasket (9), gasket (9) and closing plate (8) fixed connection, the shaft hole of gasket (9) is less than the shaft hole of closing plate (8), and the shaft hole of gasket (9) is less than nail pole (4) external diameter.

2. The nylon bit self-drilling screw with the aluminum conjoined spacer as recited in claim 1, wherein: the sealing plate (8) is made of any one of an aluminum plate, a 304 stainless steel plate or a galvanized iron plate.

3. The nylon-headed self-drilling screw with the aluminum conjoined gasket as claimed in claim 1, is characterized in that: the sealing sheet (9) is made of ethylene propylene diene monomer rubber.

4. The nylon-headed self-drilling screw with the aluminum conjoined gasket as claimed in claim 1, is characterized in that: the end face of the nail head (5) is provided with a plurality of arc-shaped connecting sheets (10) along the circumferential direction.

5. The nylon-headed self-drilling screw with the aluminum conjoined gasket as claimed in claim 4, is characterized in that: the outer diameter of the nail head (5) is larger than that of the nail rod (4).