High-strength dry wall nail

Abstract

The high-strength dry wall nail comprises a nail cap and a nail body, a conical nail head is arranged at the end, away from the nail cap, of the nail body, a plurality of first reinforcing ribs are arranged on the outer side wall of the nail head in the circumferential direction, and a plurality of second reinforcing ribs are arranged on the outer side wall of the nail cap in the circumferential direction. A vertically-moving extrusion block and a horizontally-moving insertion rod are further arranged on the outer wall of the nail cap between the adjacent second reinforcing ribs, the end, extending into the nail cap, of the extrusion block is provided with a ball head through a connecting rod, the ball head is attached to the inclined face of the tail end of the insertion rod, and the ball head vertically extrudes the insertion rod so that the insertion rod can transversely stretch out of the side wall of the nail cap. The first reinforcing rib and the second reinforcing rib are arranged to reinforce the strength of the nail head and the nail cap respectively, so that the nail head and the nail cap are not prone to deformation, meanwhile, when the nail is screwed, the nail cap compresses the installation face, the extrusion block is shrunk into the nail cap, the connecting rod and the ball head are driven to extrude the insertion rod, and the insertion rod horizontally extends out of the nail cap and is inserted into the inner side of the installation face. And the limiting effect is achieved, and the connecting stability is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of drywall screw technology, and in particular to a high-strength drywall screw. Background Technology

[0002] Drywall screws are a common type of screw used for fixing objects. Their most distinctive feature is their flared head shape, which allows them to screw in self-tapping without the need for pre-drilling. Drywall screws are mainly used for the installation and connection of various gypsum boards, lightweight partitions, ceiling systems, and some wooden home decorations.

[0003] In the prior art, when drywall screws are screwed in, their tip strength is low and they are easy to deform, which can cause misalignment and displacement when the screw is fixed. At the same time, the screws themselves do not have an anti-loosening and limiting structure, and they are prone to loosening after being tightened, resulting in poor fixation and stability of the connection.

[0004] Therefore, we propose a high-strength drywall screw to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a high-strength drywall screw to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A high-strength drywall screw includes a head and a body. The end of the body away from the head has a conical head, and the outer wall of the head has several reinforcing ribs circumferentially arranged. The outer wall of the head has several reinforcing ribs circumferentially arranged. The outer wall of the head between adjacent reinforcing ribs also has a vertically movable pressing block and a horizontally movable insert rod. The end of the pressing block that extends into the head is fitted with a ball head via a connecting rod, and the ball head is in contact with the inclined surface of the end of the insert rod. The ball head vertically presses the insert rod, causing the insert rod to extend laterally out of the side wall of the head.

[0008] In a further embodiment, the nail head has a horizontal slide rail inside, and the insert rod slides through the inside of the slide rail.

[0009] In a further embodiment, the nail head is provided with a receiving groove inside, and the compression block is vertically slidably installed inside the receiving groove.

[0010] In a further embodiment, the nail head is provided with an extrusion channel inside, which connects the receiving groove and the slide, and the connecting rod and the ball head are vertically slidably installed inside the extrusion channel.

[0011] In a further embodiment, the head end of the insertion rod has a conical structure.

[0012] In a further embodiment, both the first reinforcing rib and the second reinforcing rib adopt a trapezoidal structure that is wider at the top and narrower at the bottom.

[0013] In a further embodiment, the lower edge plane of the nail head is provided with a plurality of anti-slip teeth along the circumferential direction.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention strengthens the nail head and nail head by adding two reinforcing ribs, making them less prone to deformation during use and ensuring the stability of the nail during self-tapping and screwing in, thus reducing the problem of misalignment. Simultaneously, when the nail is tightened, the nail head presses against the mounting surface, causing the compression block to retract into the nail head. This, in turn, drives the connecting rod and ball head to compress the insert rod, causing it to extend horizontally out of the nail head and insert into the inner side of the mounting surface, achieving a limiting effect. This effectively reduces the loosening of the nail after tightening, thereby ensuring the stability of the connection. Attached Figure Description

[0016] Figure 1 This is a top view of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of this utility model from below;

[0018] Figure 3 This is a partial structural diagram of the internal cross-section of the nail head of this utility model.

[0019] In the diagram: 1. Nail head; 11. Slide; 12. Receiving groove; 13. Extrusion channel; 2. Nail body; 3. Nail head; 4. Reinforcing rib one; 5. Reinforcing rib two; 6. Extrusion block; 61. Connecting rod; 62. Ball head; 7. Insert rod; 8. Anti-slip teeth. Detailed Implementation

[0020] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-2 A high-strength drywall screw includes a head 1 and a body 2. The head 1 is located at the top of the body 2. The end of the body 2 away from the head 1 has a conical head 3 for better self-tapping. The outer wall of the head 3 has several reinforcing ribs 4 along the circumferential direction, and the outer wall of the head 1 has several reinforcing ribs 5 along the circumferential direction. The reinforcing ribs 4 and 5 respectively strengthen the head 3 and the head 1, making them less prone to deformation during use and ensuring the stability of the entire screw during self-tapping.

[0024] Furthermore, both reinforcing rib 1 (4) and reinforcing rib 2 (5) adopt a trapezoidal structure that is wider at the top and narrower at the bottom. This ensures the strength enhancement effect while making the lower end of reinforcing rib 1 (4) closer to the outer surface of the nail head 3, and the lower end of reinforcing rib 2 (5) closer to the outer surface of the nail head 1, so as to reduce the resistance when screwing in.

[0025] The lower edge of the nail head 1 has several anti-slip teeth 8 arranged circumferentially. When the nail is screwed in clockwise, the anti-slip teeth 8 and the surface of the nail head 1 form a gentle obtuse angle transition surface, so it does not affect tightening. However, when it is rotated counterclockwise, the anti-slip teeth 8 and the surface of the nail head 1 form a sharp acute angle inclined surface, making it difficult to rotate in the opposite direction, thereby achieving the effect of preventing loosening.

[0026] Please see Figure 2-3The nail head 1 between adjacent reinforcing ribs 5 is also provided with a vertically movable pressing block 6 and a horizontally movable insert rod 7. The nail head 1 is also provided with a receiving groove 12, and the pressing block 6 is vertically slidably installed inside the receiving groove 12. The nail head 1 is provided with a horizontal slide rail 11, and the insert rod 7 slides through the slide rail 11. One end of the pressing block 6 that extends into the nail head 1 is equipped with a ball head 62 through a connecting rod 61. The nail head 1 is also provided with a pressing channel 13, which connects the receiving groove 12 and the slide rail 11. The connecting rod 61 and the ball head 62 are vertically slidably installed inside the pressing channel 13. The ball head 62 is in contact with the inclined surface of the tail end of the insert rod 7. When the nail is tightened, the nail head 1 presses against the mounting surface, thereby causing the pressing block 6 to retract into the nail head 1, driving the connecting rod 61 and the ball head 62 to press the insert rod 7, causing it to extend horizontally out of the nail head 1, thereby inserting into the inner side of the mounting surface to achieve the limiting effect.

[0027] Furthermore, the head of the insertion rod 7 adopts a conical structure, making it easier to insert into the inner side of the mounting surface after it extends out of the nail head 1.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-strength drywall screw, comprising a screw head (1) and a screw body (2), characterized in that: The nail body (2) has a conical nail head (3) at one end away from the nail head (1), and a number of reinforcing ribs (4) are provided on the outer side wall of the nail head (3) along the circumferential direction. A number of reinforcing ribs (5) are provided on the outer side wall of the nail head (1) along the circumferential direction. A vertically movable extrusion block (6) and a horizontally movable insertion rod (7) are also provided on the outer wall of the nail head (1) between adjacent reinforcing ribs (5). One end of the extrusion block (6) that extends into the nail head (1) is equipped with a ball head (62) through a connecting rod (61). The ball head (62) is in contact with the inclined surface of the tail end of the insertion rod (7). The ball head (62) vertically extrudes the insertion rod (7), causing the insertion rod (7) to extend laterally out of the side wall of the nail head (1).

2. The high-strength drywall screw according to claim 1, characterized in that: The nail cap (1) has a horizontal slide (11) inside, and the insert rod (7) slides through the inside of the slide (11).

3. The high-strength drywall screw according to claim 1, characterized in that: The nail cap (1) is also provided with a receiving groove (12), and the pressing block (6) is vertically slidably installed inside the receiving groove (12).

4. A high-strength drywall screw according to any one of claims 1-3, characterized in that: The nail head (1) is also provided with an extrusion channel (13), which connects the receiving groove (12) and the slide (11), and the connecting rod (61) and the ball head (62) are vertically slidably installed inside the extrusion channel (13).

5. A high-strength drywall screw according to claim 1, characterized in that: The head end of the insertion rod (7) adopts a conical structure.

6. A high-strength drywall screw according to claim 1, characterized in that: Both the first reinforcing rib (4) and the second reinforcing rib (5) adopt a trapezoidal structure that is wider at the top and narrower at the bottom.

7. A high-strength drywall screw according to claim 1, characterized in that: The nail head (1) has several anti-slip teeth (8) arranged circumferentially on the lower edge plane.

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