Drill bit capable of achieving quick butt joint

By designing the quick-connect drill bit's block, guide rod, spring and connecting pin structure, combined with a motor-driven worm gear system, the problem of long drill bit disassembly and assembly time is solved, working efficiency is improved, and damage to internal components is prevented.

CN223418438UActive Publication Date: 2025-10-10XIANGYANG ELICAT MASCH MFG CO LTD

Patent Information

Application Number
CN202422915529.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-10
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

When the existing drill bit is worn or broken after long-term use, it cannot be quickly disassembled and assembled, resulting in a long installation time and affecting work efficiency.

Method used

A quick-dockable drill bit is designed. The drill bit can be quickly installed and disassembled through the combined structure of a clamping block, a guide rod, a spring and a connecting pin. The drill bit can be rotated and reversed by a motor-driven worm gear system, and heat is dissipated by combining the ventilation holes of the shell.

Benefits of technology

The drill bit can be quickly installed and removed, which improves work efficiency and prevents damage to internal components through the heat dissipation structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of drill bits, in particular to a quick butt joint type drill bit which comprises a drill bit body and a connecting piece, clamping grooves are formed in the upper surface and the bottom surface of the drill bit body, two sliding grooves are formed in the inner wall of the connecting piece, and a movable connecting pin drives a check block to move. The drill bit body is moved to enable the right end of the drill bit body to make contact with the clamping block, the clamping block can move and drive the guide rod to move through the inclined face of the right end of the drill bit body, the first spring is compressed, when the clamping block corresponds to the clamping groove, under the action of the first spring, the clamping block is connected with the clamping groove, the connecting pin is loosened, the second spring is reset, and resetting of the check block is achieved. And on the contrary, when the drill bit is mounted or dismounted, the stop block is moved away, and the drill bit can be dismounted only by pulling out the drill bit, so that the quick butting effect of the device is realized, an operator can quickly butt the drill bit conveniently, the mounting and using time is shortened, and the influence on the working efficiency is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drill bit technical field, concretely is a kind of quick butt joint type drill bit. BACKGROUND

[0002] Drill bit is used to drill out through hole or blind hole on solid material, and can be used to enlarge the hole of existing hole, commonly used drill bit mainly has twist drill, flat drill, center drill, deep hole drill and sleeve drill, although reaming drill and counterbore drill cannot drill hole on solid material, they are also classified as drill bit.

[0003] Through the retrieval, the Chinese patent with publication number CN217344194U discloses a drill bit, and its technical points are as follows: during the process of sending the drill rod equipped with the cutting tool for welding treatment, the relative movement between the cutting tool and the drill rod is prone to occur, which causes the cutting tool to deviate from the central position of the head of the drill rod, thereby resulting in that the drill bit is not easy to use, and the problem to be improved.

[0004] However, in the above-mentioned and existing technologies, it is found that the drill bit will be worn out or broken after long-term use, which causes the drill bit to be unable to use, and at this time, the drill bit needs to be replaced. However, the connecting part and the position where the drill bit is installed in the above-mentioned scheme and the drill bit in the prior art cannot be quickly disassembled and assembled, which causes a long installation time and affects the work efficiency.

[0005] Therefore, a new scheme needs to be proposed to solve this problem. CONTENT OF THE UTILITY MODEL

[0006] In view of the above background technology, the existing drill bit cannot be quickly disassembled and assembled, which causes a long installation time and affects the work efficiency.

[0007] The utility model discloses a quick butt joint type drill bit, including drill bit main part and connecting piece, the upper surface and the bottom surface of drill bit main part are all seted up with the clamping slot, the inner wall of connecting piece is seted up with two sliding grooves, the inner wall of each sliding groove is connected with the clamping block of sliding, the opposite side of each clamping block is fixedly connected with the guide rod and two spring no.

[0008] Further, the opposite side of each mounting block is seted up with connecting groove, the inner wall of each connecting groove is slidably connected with connecting pin, and the outer surface of each connecting pin is fixedly connected with the opposite side of the corresponding stop block.

[0009] Furthermore, the right end of the connecting member is fixedly connected to a connecting shaft, and the outer surface of the connecting shaft is rotatably connected to a supporting frame.

[0010] Furthermore, a shell 1 is fixedly mounted on the outer surface of the support frame, and ventilation holes arranged at equal distances are opened on the right side of the shell 1.

[0011] Furthermore, a shell 2 is fixedly mounted on the left side of the shell 1, and an inner wall of the shell 2 is rotatably connected to an outer surface of the connecting piece.

[0012] Furthermore, a motor is fixedly connected to the inner wall of the housing 1, and a worm is fixedly connected to the output shaft of the motor.

[0013] Furthermore, a worm wheel is meshed with the outer surface of the worm, and the inner wall of the worm wheel is fixedly connected to the outer surface of the connecting shaft.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] When the drill bit is installed, the connecting pin drives the stop block to move, the spring second is compressed, and the drill body is moved so that the right end of the drill body contacts the block. The inclined surface of the right end of the drill body enables the block to move and drive the guide rod to move, and the spring first is compressed. When the block corresponds to the slot, under the action of the spring first, the block is connected to the slot, the connecting pin is released, and the spring second is reset to realize the reset of the block, and then the guide rod can be limited by the block, and the installation is achieved at this time. On the contrary, when disassembling the drill bit, the block is removed, and the drill bit can be disassembled by simply pulling out the drill bit, thereby achieving the effect of quick docking of the device, facilitating the operator to quickly dock the drill bit, reducing the time of installation and use, and preventing the work efficiency from being affected.

[0016] 2. The utility model is provided with a connecting piece, a connecting shaft, a support frame, a shell, a worm, a worm wheel and other components. The worm is driven to rotate by a motor, and the rotation of the worm wheel is realized by the connection between the worm and the worm wheel. The connecting shaft is driven to rotate by the worm wheel. Because the left end of the connecting shaft is connected to the right end of the connecting piece, the connecting shaft can drive the connecting piece to rotate, and then drive the drill body to rotate. When the motor is reversed, the drill body is reversed. The shell one and the shell two are connected to protect the internal components, and a ventilation hole is opened on the right side of the shell one, which can facilitate internal ventilation and heat dissipation of the shell one and the shell two, and prevent the internal temperature from being too high and causing damage to the internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the ventilation hole structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the worm and the worm wheel of the utility model;

[0022] Figure 5 This is a structural diagram of the connection relationship between the spring 1 and the clamping block of the utility model.

[0023] In the figure: 1. Drill bit body; 2. Slot; 3. Connecting piece; 4. Sliding slot; 5. Block; 6. Guide rod; 7. Spring 1; 8. Mounting block; 9. Spring 2; 10. Stop block; 11. Connecting pin; 12. Connecting slot; 13. Limiting slot; 14. Connecting shaft; 15. Support frame; 16. Housing 1; 17. Ventilation hole; 18. Housing 2; 19. Motor; 20. Worm; 21. Worm wheel. DETAILED DESCRIPTION

[0024] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the illustrations, some commonly used structures and components are depicted in a simplified schematic manner.

[0025] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5The utility model relates to a quick-dock drill bit, comprising a drill bit body 1 and a connecting piece 3. A card slot 2 is provided on the upper surface and bottom surface of the drill bit body 1. A card slot 2 is provided on the upper surface and bottom surface of the drill bit body 1 to realize the positioning of the card slot 2. The inner wall of the connecting piece 3 is provided with two sliding grooves 4. Two sliding grooves 4 are provided on the inner wall of the connecting piece 3 to realize the positioning of the sliding groove 4. A card block 5 is slidably connected to the inner wall of each sliding groove 4. The card block 5 is placed on the inner wall of the corresponding sliding groove 4, and a sliding connection is set between them to realize the limiting effect of the card block 5. The card block 5 can be adapted to the card slot 2 through the card block 5, which is convenient for realizing the limited installation of the drill bit body 1 through the connection with the card slot 2.

[0026] like Figure 5 As shown, each side of the card block 5 that is away from each other is fixedly connected with a guide rod 6 and two springs 7. The guide rod 6 and the spring 7 are installed on the side of the card block 5 that is away from each other to achieve the positioning and installation effect of the guide rod 6 and the spring 7. The outer surface of each guide rod 6 is slidably connected to the inner wall of the connecting piece 3. The guide rod 6 and the connecting piece 3 are set to be in a sliding connection to achieve the limiting effect of the guide rod 6. The other end of each spring 7 is fixedly connected to the inner wall of the corresponding sliding groove 4. The spring 7 is connected to the inner wall of the corresponding sliding groove 4 to achieve the limiting effect of the other end of the spring 7. When the card block 5 drives the guide rod 6 to move, the spring 7 is compressed. When the card block 5 corresponds to the card slot 2, the card block 5 is reset under the action of the spring 7.

[0027] The two ends of the spring 9 are fixedly connected to each other, and the stopper 10 is installed on the other end of the spring 9 to achieve the positioning and installation effect of the stopper 10.

[0028] Replay Figure 5, each mounting block 8 is provided with a connecting groove 12 on a side away from each other, and the connecting groove 12 is opened on the surface of the mounting block 8 to achieve the positioning effect of the connecting groove 12, and the inner wall of each connecting groove 12 is slidably connected with a connecting pin 11, and the outer surface of each connecting pin 11 is fixedly connected to the side of the corresponding stop block 10 away from each other, and the connecting pin 11 is installed on the inner wall of the corresponding connecting groove 12, and a sliding connection is set between them. The limiting effect of the connecting pin 11 can be achieved by the contour of the connecting groove 12, and the connecting pin 11 is connected to the corresponding stop block 10. The operator can realize the movement of the stop block 10 by moving the corresponding connecting pin 11, thereby being able to release the limit on the guide rod 6.

[0029] In a preferred embodiment, the right end of the connecting member 3 is fixedly connected to a connecting shaft 14, which is installed at the right end of the connecting member 3 and is set as a fixed connection. The connecting member 3 can be rotated by rotating the connecting shaft 14. The outer surface of the connecting shaft 14 is rotatably connected to a support frame 15, which is installed on the surface of the connecting shaft 14 and is set as a rotatable connection to achieve a limiting effect on the connecting shaft 14.

[0030] In this embodiment, a shell 16 is fixedly installed on the outer surface of the support frame 15. The shell 16 is installed on the outer surface of the support frame 15, and the support frame 15 is installed through the shell 16. The right side of the shell 16 is provided with ventilation holes 17 arranged at equal distances. The ventilation holes 17 are opened on the right side of the shell 16 to achieve the positioning of the ventilation holes 17. The ventilation holes 17 are used to facilitate ventilation and heat dissipation inside the shell 16.

[0031] Combine Figure 1 and Figure 4 The left side of the shell 16 is fixedly installed with the shell 2 18. The shell 2 18 is installed on the left side of the shell 1 16 and connected by bolts to achieve protection of the internal components. The inner wall of the shell 2 18 is rotatably connected to the outer surface of the connecting member 3. The connecting member 3 and the inner wall of the shell 2 18 are set to be rotatably connected to achieve a limiting effect on the connecting member 3.

[0032] In a preferred embodiment, the inner wall of the housing 16 is fixedly connected to a motor 19, and the motor 19 is installed on the inner wall of the housing 16 to achieve the installation of the motor 19. The output shaft of the motor 19 is fixedly connected to a worm 20, and the worm 20 is installed on the output shaft of the motor 19, and they are set to be fixedly connected, so that the rotation effect of the worm 20 can be achieved through the motor 19.

[0033] In this embodiment, the outer surface of the worm 20 is engaged with a worm wheel 21. The worm wheel 21 is placed above the worm 20 and connected. The rotation of the worm 20 can realize the rotation of the worm wheel 21. The inner wall of the worm wheel 21 is fixedly connected to the outer surface of the connecting shaft 14. The worm wheel 21 is fixed to the connecting shaft 14. The rotation effect of the connecting shaft 14 can be realized by the rotation of the worm wheel 21, and then the rotation of the connecting member 3 is realized, which can drive the drill body 1 to rotate.

[0034] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A quick-connect drill bit, comprising a drill bit body (1) and a connector (3), characterized in that: The upper surface and the bottom surface of the drill body (1) are provided with a card slot (2), the inner wall of the connecting member (3) is provided with two sliding slots (4), the inner wall of each sliding slot (4) is slidably connected with a card block (5), the side of each card block (5) away from each other is fixedly connected with a guide rod (6) and two springs (7), the outer surface of each guide rod (6) is slidably connected with the inner wall of the connecting member (3), the other end of each spring (7) is fixedly connected with the inner wall of the corresponding sliding slot (4), the outer surface of the connecting member (3) is fixedly connected with two mounting blocks (8), the inner side wall of each mounting block (8) is fixedly connected with a spring (9), the other end of each spring (9) is fixedly connected with a stop block (10), and the side of each stop block (10) close to each other is provided with a limiting slot (13).

2. The quick-connect drill bit according to claim 1, characterized in that: A connecting groove (12) is provided on a side of each mounting block (8) that is away from each other, a connecting pin (11) is slidably connected to the inner wall of each connecting groove (12), and an outer surface of each connecting pin (11) is fixedly connected to a side of a corresponding stopper (10) that is away from each other.

3. The quick-connect drill bit according to claim 1, characterized in that: The right end of the connecting member (3) is fixedly connected to a connecting shaft (14), and the outer surface of the connecting shaft (14) is rotatably connected to a supporting frame (15).

4. The quick-connect drill bit according to claim 3, characterized in that: A shell (16) is fixedly mounted on the outer surface of the support frame (15), and ventilation holes (17) arranged at equal distances are provided on the right side of the shell (16).

5. The quick-connect drill bit according to claim 4, characterized in that: The left side of the shell 1 (16) is fixedly mounted with the shell 2 (18), and the inner wall of the shell 2 (18) is rotatably connected to the outer surface of the connecting member (3).

6. The quick-connect drill bit according to claim 4, characterized in that: The inner wall of the housing (16) is fixedly connected to a motor (19), and the output shaft of the motor (19) is fixedly connected to a worm (20).

7. The quick-connectable drill bit according to claim 6, characterized in that: The outer surface of the worm (20) is meshed with a worm wheel (21), and the inner wall of the worm wheel (21) is fixedly connected to the outer surface of the connecting shaft (14).

Citation Information

Patent Citations

  • Drill bit

    CN217344194U

Cited By

  • Cutting equipment for mining and operation process

    CN121473822A