Rust-proof self drilling screw

Abstract

The utility model discloses a rust-proof self drilling screw which comprises a rotating wheel, the lower surface of the rotating wheel is fixedly connected with a connecting plate, the lower surface of the connecting plate is fixedly connected with a fixing mechanism, the lower surface of the fixing mechanism is fixedly connected with a stud, the annular surface of the stud is fixedly connected with threads, and the threads are fixedly connected with the rotating wheel. And the lower surface of the stud is fixedly connected with a screw tip. By means of the structure, the self drilling device is arranged, after the self drilling screw is driven into the structure through the fixing device, a rotating rod in the screw can be moved by rotating a small nut in the center of the nut, and the rotating rod moves to drive a fixing nail arranged in the screw to move outwards and then be driven into the inner side surface of the external structure; the screw can be more stably connected in the structure, if the screw needs to be taken out, only the small nut needs to be rotated in the opposite direction, the mechanism is arranged in the screw and is not prone to rusting, and the stability and durability of the screw are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drill screw technical field, concretely is a rustproof drill screw. BACKGROUND

[0002] Drill screw is a self-tapping screw with a drill bit, which can drill a hole and form a thread on the material without pre-punching, thus realizing the fastening function. Drill screw is widely used in construction, household appliances, automobile and other industries.

[0003] However, the traditional drill screw is easily affected by environmental factors, leading to rust and corrosion, especially in humid or corrosive environments. Rusty screws not only affect the appearance, but also reduce the connection strength, causing the drill screw to loosen or even fall off, affecting the safety and service life of the equipment. Therefore, it is particularly important to develop a drill screw with good fixing effect that can be firmly fixed even if it is rusty.

[0004] The existing rustproof drill screw has no other fixing means after drilling, mainly relying on surface coating or special alloy materials to improve corrosion resistance to prevent screw loosening caused by rust, and a more durable and stable drill screw is urgently needed. INVENTION CONTENTS

[0005] The utility model discloses a rustproof drill screw, which can make the drill screw move by rotating the small nut at the center of the screw nut after being driven into the internal structure, and the rotating rod inside the screw moves, which drives the fixed nails inside to move outward and then drive into the internal surface of the external structure, so that the screw is more stably connected inside the structure. If it needs to be taken out, it only needs to rotate the small nut in the opposite direction, and the mechanism is set inside the screw and is not easy to rust, effectively improving the stability and durability of the screw.

[0006] To achieve the above purpose, a rustproof drill screw is provided, which comprises a rotating wheel, the lower surface of the rotating wheel is fixedly connected with a connecting plate, the lower surface of the connecting plate is fixedly connected with a fixing mechanism, the lower surface of the fixing mechanism is fixedly connected with a screw post, the annular surface of the screw post is fixedly connected with a thread, and the lower surface of the screw post is fixedly connected with a screw tip. The rotating wheel is provided to facilitate the overall rotation of the drill screw, the screw post is provided to facilitate the setting of the thread, and the screw tip is provided to facilitate self-tapping.

[0007] According to the rustproof drill screw, the fixing mechanism comprises a mounting ring, a limiting ring, a rotating column, a gear, a rotating wheel, a rotating motor, a rotating rod, a positioning sleeve, a fixed nail, a sealing cover, a support block and a support plate, the mounting ring is fixedly connected to the lower surface of the connecting plate, and the mounting ring is provided to facilitate the installation of the limiting ring.

[0008] According to the rust-proof drill screw, the limiting ring is fixedly connected to the upper surface of the mounting ring, and the rotating column is rotatably connected to the inner annular surface of the limiting ring.

[0009] According to the rust-proof drill screw, the gear is fixedly connected to the annular surface of the rotating column, and the rotating wheel is fixedly connected to the upper surface of the rotating column.

[0010] According to the rust-proof drill screw, the rotating motor is fixedly connected to the upper surface of the mounting ring, the rotating rod is fixedly connected to the output end of the rotating motor, the rotating motor and the rotating rod are two, the positioning sleeve is fixedly connected to the annular surface of the rotating rod, and the positioning sleeve is multiple.

[0011] According to the rust-proof drill screw, the fixing nail is fixedly connected to the other end of the rotating rod, the sealing cover is movably connected to the inner annular surface of the mounting ring, and the fixing nail and the sealing cover are two.

[0012] According to the rust-proof drill screw, the supporting block is fixedly connected to the upper surface of the mounting ring, the supporting plate is fixedly connected to the upper surface of the mounting ring, and the supporting block and the supporting plate are two.

[0013] The drill tail device is arranged, the fixing device is arranged, the drill screw can be moved by rotating the small nut at the center of the nut after being screwed into the structure, the rotating rod in the screw is moved, the fixing nail arranged in the screw is moved outward and then screwed into the inner side surface of the external structure, the screw is more stably connected in the structure, if it is needed to be taken out, only the small nut needs to be rotated in the reverse direction, the mechanism is arranged in the screw and is not easy to rust, and the stability and durability of the screw are effectively improved.

[0014] Additional aspects and advantages of the present application will be given in part in the following description, become obvious from the following description, or be understood by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and embodiments;

[0016] Fig. 1 It is the overall structure schematic diagram of the rustproof drill screw of the utility model;

[0017] Fig. 2 It is the fixed mechanism schematic diagram of the rustproof drill screw of the utility model;

[0018] Fig. 3 It is the partial structure schematic diagram of the rustproof drill screw of the utility model;

[0019] Fig. 4 It is the partial structure sectional view of the rustproof drill screw of the utility model.

[0020] Legend:

[0021] 1, rotating wheel, 2, connecting plate, 3, fixed mechanism, 301, installation circular ring, 302, limiting circular ring, 303, rotating column, 304, gear, 305, rotating wheel, 306, rotating motor, 307, rotating rod, 308, positioning sleeve, 309, fixed nail, 310, sealing cover, 311, support block, 312, support plate, 4, stud, 5, thread, 6, screw tip. Specific implementation

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Reference Figs. 1 to 4 The utility model discloses a kind of rustproof drill screws, it includes rotating wheel 1, the lower surface of rotating wheel 1 is fixedly connected with connecting plate 2, the lower surface of connecting plate 2 is fixedly connected with fixed mechanism 3, the lower surface of fixed mechanism 3 is fixedly connected with stud 4, the annular surface of stud 4 is fixedly connected with thread 5, the lower surface of stud 4 is fixedly connected with screw tip 6, drill screw uses alloy material with excellent corrosion resistance, for example, stainless steel, titanium alloy or aluminum alloy, these materials itself has stronger oxidation resistance, can effectively prevent screw rust and corrosion.Simultaneously, selected alloy material has good mechanical strength and toughness, can guarantee the stability of screw in fastening process.

[0024] The fixing mechanism 3 comprises a mounting ring 301, a limiting ring 302, a rotating column 303, a gear 304, a rotating wheel 305, a rotating motor 306, a rotating rod 307, a positioning sleeve 308, a fixing nail 309, a sealing cover 310, a supporting block 311 and a supporting plate 312, the mounting ring 301 is fixedly connected to the lower surface of the connecting plate 2, the limiting ring 302 is fixedly connected to the upper surface of the mounting ring 301, and the rotating column 303 is rotatably connected to the inner annular surface of the limiting ring 302, the gear 304 is fixedly connected to the annular surface of the rotating column 303, and the rotating wheel 305 is fixedly connected to the upper surface of the rotating column 303, the rotating motor 306 is fixedly connected to the upper surface of the mounting ring 301, the rotating rod 307 is fixedly connected to the output end of the rotating motor 306, the rotating motor 306 and the rotating rod 307 are two in number, the positioning sleeve 308 is fixedly connected to the annular surface of the rotating rod 307, and the positioning sleeve 308 is multiple in number, the fixing nail 309 is fixedly connected to the other end of the rotating rod 307, the sealing cover 310 is movably connected to the inner annular surface of the mounting ring 301, and the fixing nail 309 and the sealing cover 310 are two in number, the supporting block 311 is fixedly connected to the upper surface of the mounting ring 301, and the supporting plate 312 is fixedly connected to the upper surface of the mounting ring 301, and the supporting block 311 and the supporting plate 312 are two in number, the rotating column 303 has a section with a shorter radius, the annular surface of the section is connected to the gear 304, the rotating motor 306 has a sleeve sleeved on the rotating rod 307 to drive the rotating rod 307 to rotate, and the rotating rod 307 is movable in the sleeve.

[0025] Working principle: in use, first, the surface of the drill screw is treated by using advanced coating treatment technology, such as galvanizing, chromium plating, black oxidation treatment or ceramic coating, etc., which can provide additional rust protection for the screw, then the drill screw is installed at the required position, a wrench is used to clamp the rotating wheel 1 to rotate the drill screw, so that the drill screw is self-tapping into the article to be nailed, after nailing, a smaller wrench or an adjustable wrench is used to clamp the rotating wheel 305 to rotate, the rotating wheel 305 rotates to drive the rotating column 303 to rotate, thereby driving the gear 304 to rotate, the gear 304 rotates to drive the rotating rod 307 to move outward, after moving outward for a distance, the sealing cover 310 is poked, after being poked, the fixing nail 309 is in contact with the inner surface of the article to be nailed, then the rotating motor 306 is turned on to drive the rotating rod 307 to rotate, so that the rotating rod 307 drives the fixing nail 309 to drill into the article, so that the connection between the drill screw and the article is more stable and will not loosen and fall off.

[0026] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A rust-preventive drill point screw characterized by comprising: The utility model provides a rotatory wheel (1), the lower surface of rotatory wheel (1) is fixedly connected with connecting plate (2), the lower surface of connecting plate (2) is fixedly connected with fixed mechanism (3), the lower surface of fixed mechanism (3) is fixedly connected with stud (4), the annular surface of stud (4) is fixedly connected with screw thread (5), the lower surface of stud (4) is fixedly connected with screw tip (6).

2. The rust-preventive drill screw according to claim 1, wherein The fixed mechanism (3) includes installation ring (301), limiting ring (302), rotating column (303), gear (304), rotating wheel (305), rotating motor (306), rotating rod (307), positioning sleeve (308), fixed nail (309), sealing cover (310), support block (311) and support plate (312), the lower surface of connecting plate (2) is fixedly connected with installation ring (301).

3. A rustproofing drill point screw as defined in claim 2 wherein, The limiting ring (302) is fixedly connected to the upper surface of the installation ring (301), and the rotating column (303) is rotatably connected to the inner annular surface of the limiting ring (302).

4. The rust-preventive drill screw according to claim 3, wherein The gear (304) is fixedly connected to the annular surface of the rotating column (303), and the rotating wheel (305) is fixedly connected to the upper surface of the rotating column (303).

5. The rust-preventive drill screw according to claim 2, wherein The rotating motor (306) is fixedly connected to the upper surface of the installation ring (301), the rotating rod (307) is fixedly connected to the output end of the rotating motor (306), the rotating motor (306) and the rotating rod (307) have two, the positioning sleeve (308) is fixedly connected to the annular surface of the rotating rod (307), and the positioning sleeve (308) has a plurality of.

6. A rustproofing drill point screw as defined in claim 5 wherein, The fixed nail (309) is fixedly connected to the other end of the rotating rod (307), the sealing cover (310) is movably connected to the inner annular surface of the installation ring (301), and the fixed nail (309) and the sealing cover (310) have two.

7. The rust-preventive drill screw according to claim 2, wherein The support block (311) is fixedly connected to the upper surface of the installation ring (301), the support plate (312) is fixedly connected to the upper surface of the installation ring (301), and the support block (311) and the support plate (312) have two.

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