Drill point with hard coating

By setting thread grooves and hard coatings on the drill needle, the problem of inaccurate positioning and insufficient stability of the drill needle is solved. By installing fixing frames and limit cylinders, the drill needle remains stable and accurate during operation, extending the service life and reducing the probability of damage.

CN222806153UActive Publication Date: 2025-04-29JIANGXI HUACHUANG PRECISION MFG CO LTD
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Patent Information

Application Number
CN202421611936.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-29
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

Traditional drilling needles have poor positioning accuracy and insufficient stability when used, and are prone to position deviation or fall off. They are easily buried by soil during work, making it difficult to remove.

Method used

Thread grooves are provided on the drill body to drain the soil, and apply a hard coating around the drill tip to facilitate draining the soil. At the same time, by installing a fixing frame and a limiting cylinder on the side of the drill needle column, ensure that the drill needle maintains stability and precise positioning when rotating.

Benefits of technology

It effectively avoids the problem of difficulty in removing drill needles caused by soil deposition, improves the working stability and precise positioning ability of drill needles, extends the service life of drill needles, and reduces the probability of damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drill point with a hard coating, which is characterized in that the lower surface of a drill point column is fixedly connected with a drill body, the drill body is provided with a threaded groove, the lower surface of the drill body is fixedly connected with a drill tip, the outer surface of the drill tip is coated with the hard coating, and the side surface of the drill point column is fixedly connected with a connecting ring. Limiting frames are arranged on the upper surface and the lower surface of the connecting ring; a fixing cylinder is arranged in the first fixing frame, a connecting column is movably connected to the lower surface of the first fixing frame, the connecting column is in sliding connection with the fixing cylinder, a second fixing frame is fixedly connected to the end, away from the first fixing frame, of the connecting column, a limiting cylinder is fixedly connected to the lower surface of the second fixing frame, and the first fixing frame is movably connected with a connecting ring. The drill bit has the advantages that soil can be discharged conveniently, it is guaranteed that work of the drill bit is not affected, the drill bit is accurately positioned, the stable working state is guaranteed, abrasion of the drill bit is reduced by smearing a hard coating, the service life of the drill bit is prolonged, and the overall stability of the drill bit is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of drill needles, in particular to a drill needle with a hard coating. Background Art

[0002] A drill bit is a rotating tool with a cutting blade, which consists of a handle, a neck and a working end. The handle is connected to the head of a mobile phone, and its function is to receive rotational force to rotate or vibrate the head. The drill bit can make it more convenient for workers to drill holes, but the positioning accuracy of traditional drill bits is poor during use, and the stability of the drill bit itself is insufficient, and it is easy to shift the position or even fall off during work. The drill bit is easily buried by soil during work, making it difficult to remove the drill bit after work is completed. For example, a Chinese patent discloses "a coated drill bit", and its application number is "CN202223495482.1", which includes: a connecting drill bit, which is arranged above the main body of the coated drill bit handle column, and The connecting drill bit and the coated drill bit handle column body are an integrated structure, and an impact-resistant inner block is arranged at the middle position inside the connecting drill bit, and the impact-resistant inner block and the connecting drill bit are fixedly connected by a slot; the nano protective layer is arranged on the outside of the impact-resistant inner block, and the nano protective layer and the connecting drill bit are fixedly connected by a slot, and a lower fixed bottom block is arranged below the coated drill bit handle column body, and the lower fixed bottom block and the coated drill bit handle column body are an integrated structure, but the above components still have the following problems: the positioning accuracy is poor, and the stability of the drill bit itself is insufficient, and it is easy for the position to shift or even the drill bit to fall off during work, and the drill bit is easily buried by soil during work, which makes it difficult to remove the drill bit after the work is completed. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a drill bit with a hard coating, wherein the soil is sent upward through the threaded grooves arranged on the drill body, thereby avoiding soil deposition, which makes it difficult for the drill bit to be lifted up and taken out, and a hard coating is applied around the drill tip, so that the soil drilled during work can be conveniently sent out, thereby avoiding the drill bit being difficult to be taken out after being deeply drilled, ensuring that the drill bit works stably and can be free from the influence of soil, and applying a hard coating on the drill tip reduces the wear of the drill bit, prolongs the service life of the drill bit, improves the working efficiency and safety of the drill bit, and reduces the probability of damage to the drill bit. A fixing frame one and a fixing frame two are installed on the side of the needle column, and the fixing frame one and the fixing frame two are connected and fixed by a fixing cylinder and a connecting column, and then a limiting cylinder is installed under the fixing frame two, so that the drill needle as a whole is guaranteed to be stable, a connecting ring and a limiting frame are installed on the side of the drill needle column and connected to the fixing frame one, so as to ensure that the drill needle has high stability when rotating, and realizes that the drill needle can be accurately positioned when working, and ensures that it has a stable state when working, and avoids the drill needle from falling off due to vibration or other external factors during work, which can ensure that the drill needle itself has the advantage of high stability when accurately positioned.

[0004] The utility model also provides the above-mentioned drill with a hard coating, comprising: a drill column, the lower surface of the drill column is fixedly connected to a drill body, the drill body is provided with a threaded groove, the lower surface of the drill body is fixedly connected to a drill tip, the outer surface of the drill tip is coated with a hard coating, the side surface of the drill column is fixedly connected to a connecting ring, the upper surface and the lower surface of the connecting ring are both provided with a limited position frame; a fixed frame one, a fixed cylinder is provided inside the fixed frame one, a connecting column is movably connected to the lower surface of the fixed frame one, the connecting column is slidably connected to the fixed cylinder, the end of the connecting column away from the fixed frame one is fixedly connected to a fixed frame two, the lower surface of the fixed frame two is fixedly connected to the limited position cylinder, the fixed frame one is movably connected to the connecting ring, through the above device, convenient discharge of soil is achieved, ensuring that the work of the drill is not affected, the drill has precise positioning, and ensures a stable working state, and applying a hard coating reduces the wear of the drill, prolongs the service life of the drill, and ensures the overall stability of the drill.

[0005] According to the drill needle with a hard coating described in the utility model, the connecting ring and the limit frame are both located inside the fixed frame one, and the limit frame is movably connected to the fixed frame one. Through the above device, the fixed frame one can stably fix the drill needle.

[0006] According to the drill with a hard coating described in the utility model, the fixed frame one is rotatably connected to the drill column, and the fixed frame two is movably connected to the drill column. Through the above device, the fixed frame one and the fixed frame two are combined to provide a stable state and good positioning function for the operation of the drill.

[0007] According to the drill needle with a hard coating described in the utility model, the fixed frame is composed of a fixed outer ring, a connecting block and a fixed inner ring. The fixed cylinder is located inside the connecting block. The fixed inner ring is rotatably connected to the drill needle column. Through the above device, the components of the fixed frame are firmly connected, and the fixing work can be stably performed.

[0008] According to the drill needle with a hard coating described in the utility model, the fixed frame 2 is composed of a fixed outer ring 2, a connecting block 2 and a fixed inner ring 2, the connecting column is fixedly connected to the connecting block 2, and the fixed inner ring 2 is movably connected to the drill needle column. Through the above device, the components inside the fixed frame 2 are firmly connected, and the fixed frame 1 can be combined with the fixed frame 1 to provide a stable positioning function.

[0009] According to the drill bit with a hard coating described in the utility model, the upper surface of the fixed cylinder is rotatably connected to a rotating column, the side surface of the rotating column is fixedly connected to a sealing cover plate, and the sealing cover plate is movably connected to the connecting column. Through the above device, the connecting column can be safely and conveniently fixed, and the effect of conveniently controlling whether the connecting column is extended or retracted is achieved.

[0010] Beneficial Effects

[0011] 1. Compared with the prior art, the drill bit with a hard coating can send the soil upward through the threaded grooves arranged on the drill body, thereby avoiding soil deposition, which makes it difficult to lift and remove the drill bit, and a hard coating is applied around the drill tip, so that the soil drilled during work can be easily sent out, thereby avoiding the drill bit being difficult to remove due to being too deep, ensuring that the drill bit works stably and is free from the influence of soil, and applying a hard coating on the drill tip can reduce the wear of the drill bit, extend the service life of the drill bit, improve the working efficiency and safety of the drill bit, and reduce the probability of damage to the drill bit.

[0012] 2. Compared with the prior art, the drill needle with a hard coating is designed to ensure the stability of the drill needle as a whole by installing a fixing frame one and a fixing frame two on the side of the drill needle column, connecting and fixing the fixing frame one and the fixing frame two through a fixing cylinder and a connecting column, and then installing a limiting cylinder under the fixing frame two. A connecting ring and a limiting frame are installed on the side of the drill needle column and connected to the fixing frame one, thereby ensuring that the drill needle has high stability when rotating, realizing that the drill needle can be accurately positioned when working, and ensuring that it has a stable state when working, avoiding the drill needle from falling off due to vibration or other external factors during work, and ensuring that the drill needle itself has the advantage of high stability when accurately positioned. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is the overall structure diagram of the drill needle with hard coating of the utility model;

[0015] Figure 2 It is a side view structural diagram of the drill needle with hard coating of the utility model;

[0016] Figure 3 It is a right side cross-sectional view of the drill needle with hard coating of the utility model;

[0017] Figure 4 It is a left side cross-sectional view of the drill needle with hard coating of the utility model.

[0018] Legend:

[0019] 1. Drill needle column; 2. Drill body; 3. Hard coating; 4. Fixed outer ring 1; 5. Connecting block 1; 6. Fixed inner ring 1; 7. Fixed cylinder; 8. Limiting frame; 9. Connecting ring; 10. Connecting column; 11. Fixed outer ring 2; 12. Connecting block 2; 13. Fixed inner ring 2; 14. Limiting cylinder; 15. Drill tip. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4The utility model embodiment provides a drill with a hard coating, which includes: a drill column 1, which constitutes the main body of the drill, a drill body 2 is fixedly connected to the lower surface of the drill column 1, which is used to connect the drill column 1 and a drill tip 15, the drill body 2 is provided with a threaded groove, which provides the drill body 2 with the function of transporting soil upward, a drill tip 15 is fixedly connected to the lower surface of the drill body 2, which is used for breaking soil and drilling holes, and the outer surface of the drill tip 15 is coated with a hard coating 3, which provides a hard shell for the drill tip 15 for safety protection, a connecting ring 9 is fixedly connected to the side surface of the drill column 1, which stably connects the drill column 1 to a fixed frame, and a limiting frame 8 is provided on the upper and lower surfaces of the connecting ring 9 to enhance the connection stability.

[0022] The fixed frame 1, the connecting ring 9 and the limit frame 8 are all located inside the fixed frame 1, and the drill column 1 is limited and fixed to improve the stability of the drill. The limit frame 8 is movably connected to the fixed frame 1 to fix the limit frame 8. A fixed cylinder 7 is arranged inside the fixed frame 1 to fix the connecting column 10. The lower surface of the fixed frame 1 is movably connected with the connecting column 10 for connecting the fixed frame 1 with the fixed frame 2. The upper surface of the fixed cylinder 7 is rotatably connected with a rotating column to drive the sealing cover plate to rotate. The side surface of the rotating column is fixedly connected with a sealing cover plate. The sealing cover plate is movably connected with the connecting column 10 to control the sliding and extension of the connecting column 10.

[0023] The connecting column 10 is slidably connected to the fixed cylinder 7, so that the connecting column 10 can slide and retract, so that the drill bit can drill deeper. The end of the connecting column 10 away from the fixed frame 1 is fixedly connected to the fixed frame 2, and the two are combined to fix the drill bit. The lower surface of the fixed frame 2 is fixedly connected to the limiting cylinder 14 for connecting and fixing with the ground, thereby ensuring the overall stability of the drill bit. The fixed frame 1 is movably connected to the connecting ring 9 to enhance the stability of the connection between the fixed frame 1 and the drill bit column 1.

[0024] The fixed frame 1 is rotatably connected to the drill column 1 to fix the fixed frame 1. The fixed frame 1 is composed of a fixed outer ring 4, a connecting block 5 and a fixed inner ring 6 to limit the components of the fixed frame 1. The fixed cylinder 7 is located inside the connecting block 5 to fix the fixed cylinder 7. The fixed inner ring 6 is rotatably connected to the drill column 1 to reinforce the fixed inner ring 6.

[0025] The fixed frame 2 is movably connected to the drill column 1 to limit the movable range of the fixed frame 2. The fixed frame 2 is composed of a fixed outer ring 2 11, a connecting block 2 12 and a fixed inner ring 2 13 to limit the components of the fixed frame 2. The connecting column 10 is fixedly connected to the connecting block 2 12 to fix the connecting column 10. The fixed inner ring 2 13 is movably connected to the drill column 1 to reinforce the fixed inner ring 2 13.

[0026] Working principle: The drill needle column 1 is taken as the main body, and the drill tip 15 is connected through the drill body 2 provided with a threaded groove to form a drill needle. A hard coating 3 is applied around the drill tip 15 to enhance the hardness of the drill needle. A fixed frame 1 and a fixed frame 2 are installed on the side of the drill needle column 1. A connecting ring 9 and a limiting frame 8 are installed on the side of the drill needle column 1, and the connecting ring 9 and the limiting frame 8 are movably installed inside the fixed frame 1 to improve the rotation stability of the drill needle. A connecting column 10 is installed between the fixed frame 1 and the fixed frame 2. A fixed cylinder 7 is arranged inside the fixed frame 1 to fix the connecting column 10. A rotating column is installed above the fixed cylinder 7. A sealing cover plate is installed on the side of the rotating column to limit the telescopic function of the connecting column 10. The connecting column 10 is directly installed inside the fixed frame 2. A limiting cylinder 14 is installed below the fixed frame 2 to connect to the ground to provide a positioning function and enhance the stability of the drill needle.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A drill needle with a hard coating, characterized in that: include: A drill needle column (1), wherein the lower surface of the drill needle column (1) is fixedly connected to a drill body (2), the drill body (2) is provided with a thread groove, the lower surface of the drill body (2) is fixedly connected to a drill tip (15), the outer surface of the drill tip (15) is coated with a hard coating (3), the side surface of the drill needle column (1) is fixedly connected to a connecting ring (9), and the upper surface and the lower surface of the connecting ring (9) are both provided with a limit frame (8); A fixed frame 1 is provided with a fixed cylinder (7) inside the fixed frame 1, a connecting column (10) is movably connected to the lower surface of the fixed frame 1, the connecting column (10) is slidably connected to the fixed cylinder (7), the end of the connecting column (10) away from the fixed frame 1 is fixedly connected to the fixed frame 2, the lower surface of the fixed frame 2 is fixedly connected to the limiting cylinder (14), and the fixed frame 1 is movably connected to the connecting ring (9).

2. A drill needle with a hard coating according to claim 1, characterized in that: The connecting ring (9) and the limiting frame (8) are both located inside the first fixing frame, and the limiting frame (8) is movably connected to the first fixing frame.

3. The drill needle with a hard coating according to claim 1, characterized in that: The first fixing frame is rotatably connected to the drill needle column (1), and the second fixing frame is movably connected to the drill needle column (1).

4. The drill needle with a hard coating according to claim 1, characterized in that: The fixed frame 1 is composed of a fixed outer ring 1 (4), a connecting block 1 (5) and a fixed inner ring 1 (6); the fixed cylinder (7) is located inside the connecting block 1 (5); and the fixed inner ring 1 (6) is rotatably connected to the drill needle column (1).

5. The drill needle with a hard coating according to claim 1, characterized in that: The second fixed frame is composed of a second fixed outer ring (11), a second connecting block (12) and a second fixed inner ring (13); the connecting column (10) is fixedly connected to the second connecting block (12); and the second fixed inner ring (13) is movably connected to the drill needle column (1).

6. The drill needle with a hard coating according to claim 1, characterized in that: The upper surface of the fixed cylinder (7) is rotatably connected to a rotating column, the side surface of the rotating column is fixedly connected to a sealing cover plate, and the sealing cover plate is movably connected to the connecting column (10).

Citation Information

Patent Citations

  • Coated drill point

    CN219169685U