A drill bit with detachable tips

Abstract

The utility model relates to the technical field of drill bit, especially a drill bit with detachable drill head, the drill rod is installed through the clamping part, the drill head assembly is installed in the clamping groove to drill, improves the firmness of installation, improves the drilling efficiency, including drill rod, clamping part and clamping groove, the drill rod top end is provided with the clamping part, the drill rod bottom is provided with the clamping groove, and the drill rod and clamping part are integrally formed, still include drill head assembly, the drill head assembly detachable installation is in the clamping groove.

Description

Technical Field

[0001] This utility model relates to the technical field of drill bits, and in particular to a drill bit with a detachable cutting head. Background Technology

[0002] Drill bits are commonly used in fields such as construction, mining, and geological exploration. They can efficiently penetrate hard surfaces and provide reliable drilling solutions.

[0003] In the prior art, patent document CN221968506U discloses a drill bit with a replaceable cutting head, including a tail, a nut fixedly connected to the end face of the tail, a middle section threadedly connected to the end of the tail away from the nut, and a connecting component provided at the end of the middle section away from the tail.

[0004] During use, the aforementioned drill bit causes the spring to elastically push the locking block, causing the locking block to abut against the side wall of the buckle, resulting in poor installation stability of the drill bit. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a drill bit with a detachable cutting head.

[0006] This utility model discloses a drill bit with a detachable cutting head, comprising a drill rod, a clamping part, and a slot. The clamping part is provided at the top end of the drill rod, and the slot is provided at the bottom end of the drill rod. The drill rod and the clamping part are integrally formed. It also includes a drill bit assembly, which is detachably installed in the slot. The drill rod is installed through the clamping part, and the drill bit assembly is installed in the slot for drilling, thereby improving the installation firmness and drilling efficiency.

[0007] Preferably, the drill bit assembly includes a drill bit body, a slot, a insert rod, an internal threaded groove, a through hole, and a No. 1 bolt. The top of the drill bit body is adapted to the slot, the top of the slot is provided with a slot, the top of the drill bit body is provided with an insert rod, the through hole passes through the drill rod and the clamping part, the top of the drill bit body is provided with an internal threaded groove, and the No. 1 bolt passes through the through hole and is threadedly connected to the internal threaded groove. In use, the drill bit body enters the slot while the insert rod enters the slot for initial positioning. Then, the No. 1 bolt passes through the through hole and is threadedly connected to the internal threaded groove, thereby completing the fixation of the drill bit body. When rotating, the drill rod drives the drill bit body to rotate through the slot, preventing the threaded connection between the No. 1 bolt and the internal threaded groove from getting closer and closer, improving the convenience of replacement and the stability of installation.

[0008] Preferably, the drill bit also includes a round hole, a first countersunk hole, a second countersunk hole, a second bolt, and a second nut. The drill rod is provided with a first countersunk hole and a second countersunk hole, both of which communicate with the slot. The drill bit body is equipped with a round hole, and the second bolt passes through the round hole, the first countersunk hole, and the second countersunk hole and is threadedly connected to the second nut. The second bolt and the second nut cooperate to further reinforce the drill bit body and improve the installation stability.

[0009] Preferably, it also includes a chamfered portion, and the top of the clamping portion is fitted with a chamfered portion; the clamping portion is quickly installed under the guidance of the chamfered portion, thereby improving installation efficiency.

[0010] Preferably, the outer wall of the drill rod is spirally provided with two sets of chip removal grooves; when the drill rod and the drill bit body cooperate to drill, the chips are discharged through the chip removal grooves.

[0011] Preferably, the drill bit body is made of high-speed steel.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: the drill rod is installed through the clamping part, and the drill bit assembly is installed in the slot for drilling, which improves the installation firmness and drilling efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the isometric structure of this utility model; Figure 2 This is an exploded structural diagram of the present invention; Figure 3 This is an enlarged structural diagram of the drill bit body and slot structure; Figure 4 This is an enlarged structural diagram of the drill pipe and clamping part; Figure 5 yes Figure 4 A magnified schematic diagram of part A in the middle.

[0014] The following are labels in the attached diagram: 1. Drill rod; 2. Clamping part; 3. Slot; 4. Drill bit body; 5. Slot; 6. Insert rod; 7. Internal threaded groove; 8. Through hole; 9. Bolt No. 1; 10. Round hole; 11. Countersunk hole No. 1; 12. Countersunk hole No. 2; 13. Bolt No. 2; 14. Nut No. 2; 15. Chamfered part. Detailed Implementation

[0015] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example 1

[0016] like Figures 1 to 5 As shown, a detachable drill bit of the present invention includes a drill rod 1, a clamping part 2 and a slot 3. The top end of the drill rod 1 is provided with the clamping part 2 and the bottom end of the drill rod 1 is provided with the slot 3. The drill rod 1 and the clamping part 2 are integrally formed. It also includes a drill bit assembly, which is detachably installed in the slot 3. like Figures 1 to 5 As shown, the drill bit assembly includes a drill bit body 4, a slot 5, a insert rod 6, an internal threaded groove 7, a through hole 8, and a No. 1 bolt 9. The top of the drill bit body 4 is adapted to the slot 3, the top of the slot 3 is provided with the slot 5, the top of the drill bit body 4 is provided with the insert rod 6, the through hole 8 passes through the drill rod 1 and the clamping part 2, the top of the drill bit body 4 is provided with the internal threaded groove 7, and the No. 1 bolt 9 passes through the through hole 8 and is threadedly connected to the internal threaded groove 7.

[0017] In this embodiment, the drill rod 1 is installed through the clamping part 2. When in use, the drill bit body 4 enters the slot 3 and the insertion rod 6 enters the slot 5 for initial positioning. Then, the No. 1 bolt 9 passes through the through hole 8 and is threadedly connected to the internal thread groove 7, thereby completing the fixation of the drill bit body 4. When rotating, the drill rod 1 drives the drill bit body 4 to rotate through the slot 3, which avoids the No. 1 bolt 9 and the internal thread groove 7 from getting closer and closer, thus improving the convenience of replacement. Example 2

[0018] like Figures 1 to 5 As shown, a detachable drill bit of the present invention includes a drill rod 1, a clamping part 2 and a slot 3. The top end of the drill rod 1 is provided with the clamping part 2 and the bottom end of the drill rod 1 is provided with the slot 3. The drill rod 1 and the clamping part 2 are integrally formed. It also includes a drill bit assembly, which is detachably installed in the slot 3. like Figures 1 to 5 As shown, the drill assembly includes a drill body 4, a slot 5, a insert rod 6, an internal thread groove 7, a through hole 8, and a No. 1 bolt 9. The top of the drill body 4 is adapted to the slot 3. The slot 5 is provided at the top of the slot 3. The insert rod 6 is provided at the top of the drill body 4. The through hole 8 passes through the drill rod 1 and the clamping part 2. The internal thread groove 7 is provided at the top of the drill body 4. The No. 1 bolt 9 passes through the through hole 8 and is threadedly connected to the internal thread groove 7. It also includes a round hole 10, a first countersunk hole 11, a second countersunk hole 12, a second bolt 13, and a second nut 14. The drill rod 1 is provided with a first countersunk hole 11 and a second countersunk hole 12 respectively. Both the first countersunk hole 11 and the second countersunk hole 12 are connected to the slot 3. The drill bit body 4 is equipped with a round hole 10. The second bolt 13 passes through the round hole 10, the first countersunk hole 11, and the second countersunk hole 12 and is threadedly connected to the second nut 14. It also includes a chamfered portion 15, which is installed at the top of the clamping portion 2; The outer wall of the drill rod 1 is spirally provided with two sets of chip removal grooves; The drill bit body 4 is made of high-speed steel.

[0019] In this embodiment, the drill rod 1 is installed through the clamping part 2. When in use, the drill bit body 4 enters the slot 3 and the insertion rod 6 enters the slot 5 for initial positioning. Then, the first bolt 9 passes through the through hole 8 and is threadedly connected to the internal thread groove 7. The second bolt 13 passes through the round hole 10, the first countersunk hole 11 and the second countersunk hole 12 and is threadedly connected to the second nut 14, thereby completing the fixation of the drill bit body 4. When rotating, the drill rod 1 drives the drill bit body 4 to rotate through the slot 3, which avoids the threaded connection between the first bolt 9 and the internal thread groove 7 getting closer and closer, improving the convenience of replacement.

[0020] The drill bit body 4 of this utility model with a detachable drill bit is purchased from the market. Technicians in the industry only need to install and operate it according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0021] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A drill bit with a detachable cutting head, comprising a drill rod (1), a clamping part (2), and a slot (3), wherein the clamping part (2) is provided at the top end of the drill rod (1), and the slot (3) is provided at the bottom end of the drill rod (1), and the drill rod (1) and the clamping part (2) are integrally formed, characterized in that, It also includes a drill bit assembly, which is detachably mounted in a slot (3); The drill bit assembly includes a drill bit body (4), a slot (5), a insert rod (6), an internal thread groove (7), a through hole (8), and a No. 1 bolt (9). The top of the drill bit body (4) is adapted to the slot (3). The top of the slot (3) is provided with a slot (5). The top of the drill bit body (4) is provided with an insert rod (6). The through hole (8) passes through the drill rod (1) and the clamping part (2). The top of the drill bit body (4) is provided with an internal thread groove (7). The No. 1 bolt (9) passes through the through hole (8) and is threadedly connected to the internal thread groove (7).

2. A drill bit with a detachable cutting head as described in claim 1, characterized in that, It also includes a round hole (10), a first countersunk hole (11), a second countersunk hole (12), a second bolt (13), and a second nut (14). The drill rod (1) is provided with a first countersunk hole (11) and a second countersunk hole (12). The first countersunk hole (11) and the second countersunk hole (12) are both connected to the slot (3). The drill bit body (4) is equipped with a round hole (10). The second bolt (13) passes through the round hole (10), the first countersunk hole (11), and the second countersunk hole (12) and is threadedly connected to the second nut (14).

3. A drill bit with a detachable cutting head as described in claim 1, characterized in that, It also includes a chamfered portion (15), and the top of the clamping portion (2) is fitted with a chamfered portion (15).

4. A drill bit with a detachable cutting head as described in claim 1, characterized in that, The drill rod (1) has two sets of chip removal grooves spirally arranged on the outer wall.

5. A drill bit with a detachable cutting head as described in claim 1, characterized in that, The drill bit body (4) is made of high-speed steel.

Images