Alloy drill bit with anti-slip structure

Abstract

The utility model relates to the technical field of drill bits, and discloses an alloy drill bit with an anti-slip structure, which comprises a drill rod, a drill handle is arranged at the rear end of the drill rod, a chip pocket is arranged on the outer side of the drill rod, a tool bit is arranged at the front end of the drill rod, and two identical limit rings are arranged on the outer side of the drill handle. According to the alloy drill bit with the anti-slipping structure, when the drill bit is cleaned, the rod sleeve is rotationally taken down, the bearing is pinched by a hand, the bearing is pulled downwards, bristles and cleaning cotton in the fixing sleeve make contact with the drill rod, the chip containing groove and the tool bit in sequence, chips attached to the surface of the drill bit in the drilling process are brushed down, the cleaning effect is good, the cleanliness of the drill bit is improved, and the service life is prolonged; when the drill bit needs to be used for drilling, the rod sleeve is in threaded connection with the threaded sleeve, the speed of clamping and fixing the limiting ring through the threaded sleeve and the rod sleeve is high, anti-skid edges are arranged, hand slipping is avoided, the fixing sleeve is arranged, when cleaning cotton and bristles are replaced, the fixing sleeve is separated from the rotating base, the fixing sleeve is taken down and replaced, and use is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of drill bits, in particular to an alloy drill bit with an anti-slip structure. Background Art

[0002] A drill bit is a tool used to make holes in various materials and is commonly found in fields such as metal processing. A drill bit usually consists of a cutting part and a connecting part. The cutting part includes a blade and a tip, which is used to cut the workpiece, while the connecting part is used to connect to processing equipment such as drilling machines and handheld drills.

[0003] China Utility Model Patent Publication No.: CN 210359429 U, discloses: a drill bit that is easy to remove chips, wherein the drill bit that is easy to remove chips has a drill shank that is cut along the surface of the drill shank toward the drill body, so that the length of the drill body is shortened, and the bottom of the chip groove will be directly connected to the surface of the drill shank. During deep hole operation, under the centrifugal effect of the high-speed rotation of the drill bit, the chips are discharged from the deep hole along the chip groove in the direction of the drill shank, thereby avoiding the chips from being blocked in the chip groove and reducing the wear of the chips on the drill bit. However, the drill bit that is easy to remove chips is not easy to clean after drilling is completed, and the drill bit is prone to debris adhesion. If it is not cleaned in time, the cutting ability of the drill bit will be affected. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide an alloy drill bit with an anti-slip structure, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: an alloy drill bit with an anti-slip structure, comprising a drill rod, a drill shank is arranged at the rear end of the drill rod, a chip groove is arranged on the outer side of the drill rod, a cutter head is arranged at the front end of the drill rod, two identical limiting rings are arranged on the outer side of the drill shank, a screw sleeve is arranged between the two limiting rings, anti-slip ridges are arranged on the outer side of the screw sleeve, a limiting strip is arranged on the outer side of the drill shank, a rod sleeve is arranged on the outer side of the drill rod, a limiting groove is arranged on the inner wall of the rod sleeve, a swivel seat is fixedly connected to the lower end of the rod sleeve, a bearing is arranged on the outer side of the swivel seat, a fixed sleeve is arranged at the lower end of the swivel seat, and bristles and cleaning cotton are fixedly connected to the inner wall of the fixed sleeve.

[0006] Preferably, the drill shank has a triangular structure, and the helix angle of the chip groove is 40° to 45°.

[0007] Through the above technical solution, the drill shank has a triangular structure, has a good anti-slip effect, is easy to install, has a large helix angle of the chip groove, is high in sharpness, and has a strong cutting ability.

[0008] Preferably, the vertical cross-section of the screw sleeve is an "L"-shaped structure, and the inner wall of the screw sleeve is provided with threads.

[0009] Through the above technical solution, a screw sleeve is provided, and the screw sleeve is located between two limiting rings, and the limiting rings and the screw sleeve are limited.

[0010] Preferably, the limiting strip is fixedly connected to a limiting ring away from the drill shank, and the limiting strip is matched with the limiting groove.

[0011] Through the above technical solution, a limit bar is provided, and when the rod sleeve is fixedly installed, the limit bar is slidably inserted into the limit groove to limit the rod sleeve.

[0012] Preferably, a thread is provided on the outer side of the rod sleeve, and the rod sleeve is threadedly connected to the screw sleeve.

[0013] Through the above technical solution, when a drill bit is needed to drill a hole, the rod sleeve is threadedly connected with the screw sleeve, and the screw sleeve and the rod sleeve clamp and fix the limit ring quickly, and anti-slip ridges are provided to prevent it from slipping out of the hand.

[0014] Preferably, the fixing sleeve is locked with the swivel bolt, and the inner diameter of the fixing sleeve is greater than the width of the cutter head.

[0015] Through the above technical solution, a fixed sleeve is provided, and when the cleaning cotton and the bristles are replaced, the fixed sleeve is separated from the rotating seat, and the fixed sleeve is removed and replaced.

[0016] Preferably, the cleaning cotton is made of polyester fiber, and the bristles are made of nylon fiber.

[0017] Through the above technical solution, when cleaning the drill bit, rotate to remove the rod sleeve, pinch the bearing with your hand, pull the bearing downward, and the bristles and cleaning cotton in the fixed sleeve will contact the drill rod, chip groove and cutter head in turn, and the debris attached to the surface of the drill bit when drilling will be brushed off, with good cleaning effect, improving the cleanliness of the drill bit and extending its service life.

[0018] Compared with the prior art, the utility model provides an alloy drill bit with an anti-slip structure, which has the following beneficial effects:

[0019] 1. When cleaning the alloy drill bit with an anti-slip structure, the rod sleeve is rotated to remove, the bearing is pinched by hand, and the bearing is pulled downward. The bristles and cleaning cotton in the fixed sleeve contact the drill rod, the chip groove and the cutter head in turn, and the debris attached to the drill bit surface when drilling is brushed off. The cleaning effect is good, the cleanliness of the drill bit is improved, and the service life is extended. When the drill bit needs to be used for drilling, the rod sleeve is threadedly connected with the screw sleeve. The screw sleeve and the rod sleeve clamp the limit ring and fix it quickly. Anti-slip ridges are set to prevent slipping.

[0020] 2. The alloy drill bit with anti-slip structure has a triangular drill shank structure, good anti-slip effect, easy installation, large chip groove helix angle, high sharpness, strong cutting ability, and a fixed sleeve is provided. When replacing the cleaning cotton and bristles, the fixed sleeve is separated from the swivel seat, and the fixed sleeve is removed and replaced, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 3 The utility model shows the disassembly structure of the screw sleeve and the rod sleeve. Figure 1 ;

[0024] Figure 4 The utility model shows the disassembly structure of the screw sleeve and the rod sleeve. Figure 2 ;

[0025] Figure 5 It is a schematic diagram of the disassembled structure of the fixed sleeve, bristles and cleaning cotton of the utility model.

[0026] Among them: 1. Drill rod; 2. Drill shank; 3. Chip groove; 4. Limiting ring; 5. Screw sleeve; 6. Anti-slip rib; 7. Limiting strip; 8. Rod sleeve; 9. Limiting groove; 10. Swivel seat; 11. Bearing; 12. Fixed sleeve; 13. Brush; 14. Cleaning cotton; 15. Cutting head. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1: Figure 1-5As shown, the utility model provides an alloy drill bit with an anti-slip structure, including a drill rod 1, a drill shank 2 is provided at the rear end of the drill rod 1, a chip groove 3 is provided on the outer side of the drill rod 1, a cutter head 15 is provided at the front end of the drill rod 1, two identical limiting rings 4 are provided on the outer side of the drill shank 2, a screw sleeve 5 is provided between the two limiting rings 4, an anti-slip rib 6 is provided on the outer side of the screw sleeve 5, a limiting strip 7 is provided on the outer side of the drill shank 2, a rod sleeve 8 is provided on the outer side of the drill rod 1, a limiting groove 9 is provided on the inner wall of the rod sleeve 8, a swivel seat 10 is fixedly connected to the lower end of the rod sleeve 8, a bearing 11 is provided on the outer side of the swivel seat 10, a fixed sleeve 12 is provided at the lower end of the swivel seat 10, and bristles 13 and cleaning cotton 14 are fixedly connected to the inner wall of the fixed sleeve 12.

[0029] Specifically, the drill shank 2 is a triangular structure, and the helix angle of the chip groove 3 is 40° to 45°. The advantages are that the drill shank 2 is a triangular structure, has a good anti-slip effect, is easy to install, and the helix angle of the chip groove 3 is large, sharp, and has strong cutting ability.

[0030] Specifically, the vertical section of the screw sleeve 5 is an "L"-shaped structure, and a thread is provided on the inner wall of the screw sleeve 5. The advantage is that the screw sleeve 5 is provided, the screw sleeve 5 is located between the two limiting rings 4, and the limiting rings 4 and the screw sleeve 5 are limited.

[0031] Specifically, the limit strip 7 is fixedly connected to the limit ring 4 away from the drill handle 2, and the limit strip 7 is matched with the limit groove 9. The advantage is that when the limit strip 7 is set, the limit strip 7 slides into the limit groove 9 when the rod sleeve 8 is fixedly installed to limit the rod sleeve 8.

[0032] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.

[0033] Specifically, the rod sleeve 8 is provided with a thread on the outside, and the rod sleeve 8 is threadedly connected with the screw sleeve 5. The advantage is that when a drill is needed to drill a hole, the rod sleeve 8 is threadedly connected with the screw sleeve 5, and the screw sleeve 5 and the rod sleeve 8 clamp the limit ring 4 with a fast speed, and the anti-slip rib 6 is provided to prevent the hand from slipping.

[0034] Specifically, the fixing sleeve 12 is bolted and connected to the rotating seat 10, and the inner diameter of the fixing sleeve 12 is greater than the width of the cutter head 15. The advantage is that the fixing sleeve 12 is provided, and when the cleaning cotton 14 and the bristles 13 are replaced, the fixing sleeve 12 is separated from the rotating seat 10, and the fixing sleeve 12 is removed and replaced.

[0035] Specifically, the cleaning cotton 14 is made of polyester fiber, and the bristles 13 are made of nylon fiber. The advantage is that when cleaning the drill bit, the rod sleeve 8 is rotated and removed, the bearing 11 is pinched by hand, and the bearing 11 is pulled downward, and the bristles 13 and the cleaning cotton 14 in the fixed sleeve 12 contact the drill rod 1, the chip groove 3 and the cutter head 15 in turn, and the debris attached to the drill bit surface when drilling is brushed off, the cleaning effect is good, the cleanliness of the drill bit is improved, and the service life is extended.

[0036] Working principle: when in use, to clean the drill bit, rotate and remove the rod sleeve 8, pinch the bearing 11 with your hand, pull the bearing 11 downward, the bristles 13 and cleaning cotton 14 in the fixed sleeve 12 contact the drill rod 1, the chip groove 3 and the cutter head 15 in turn, and the debris attached to the drill bit surface when drilling is brushed off, which has a good cleaning effect, improves the cleanliness of the drill bit and extends its service life. When the drill bit needs to be used for drilling, the rod sleeve 8 is threadedly connected with the screw sleeve 5, and the screw sleeve 5 and the rod sleeve 8 clamp the limit ring 4 and fix it at a fast speed. Anti-slip ridges 6 are set to avoid slipping off. The drill handle 2 has a triangular structure, has a good anti-slip effect, and is easy to install. The helix angle of the chip groove 3 is large, the sharpness is high, and the cutting ability is strong. A fixed sleeve 12 is set. When replacing the cleaning cotton 14 and the bristles 13, the fixed sleeve 12 is separated from the swivel seat 10, and the fixed sleeve 12 is removed and replaced, which is convenient to use.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An alloy drill bit with an anti-slip structure, comprising a drill rod (1), characterized in that: A drill shank (2) is arranged at the rear end of the drill rod (1), a chip groove (3) is arranged on the outer side of the drill rod (1), a cutter head (15) is arranged at the front end of the drill rod (1), two identical limit rings (4) are arranged on the outer side of the drill shank (2), a screw sleeve (5) is arranged between the two limit rings (4), an anti-slip rib (6) is arranged on the outer side of the screw sleeve (5), a limit strip (7) is arranged on the outer side of the drill shank (2), a rod sleeve (8) is arranged on the outer side of the drill rod (1), a limit groove (9) is arranged on the inner wall of the rod sleeve (8), a swivel seat (10) is fixedly connected to the lower end of the rod sleeve (8), a bearing (11) is arranged on the outer side of the swivel seat (10), a fixed sleeve (12) is arranged at the lower end of the swivel seat (10), and a brush (13) and a cleaning cotton (14) are fixedly connected to the inner wall of the fixed sleeve (12).

2. The alloy drill bit with an anti-slip structure according to claim 1, characterized in that: The drill shank (2) has a triangular structure, and the helix angle of the chip groove (3) is 40° to 45°.

3. The alloy drill bit with an anti-slip structure according to claim 1, characterized in that: The screw sleeve (5) has an "L"-shaped vertical cross-section, and the inner wall of the screw sleeve (5) is provided with threads.

4. The alloy drill bit with an anti-slip structure according to claim 1, characterized in that: The limiting strip (7) is fixedly connected to a limiting ring (4) away from the drill shank (2), and the limiting strip (7) is matched with the limiting groove (9).

5. The alloy drill bit with an anti-slip structure according to claim 1, characterized in that: The rod sleeve (8) is provided with a thread on its outer side, and the rod sleeve (8) is threadedly connected to the screw sleeve (5).

6. The alloy drill bit with an anti-slip structure according to claim 1, characterized in that: The fixing sleeve (12) is bolt-lockedly connected to the rotating seat (10), and the inner diameter of the fixing sleeve (12) is greater than the width of the cutter head (15).

7. The alloy drill bit with an anti-slip structure according to claim 1, characterized in that: The cleaning cotton (14) is made of polyester fiber, and the brush bristles (13) are made of nylon fiber.

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