Drill bit with adjustable diameter
By setting up adjustment components inside the drill bit and using high-pressure gas to push the extension block and the filling block, the diameter of the drill bit can be adjusted, which solves the problem of frequent drill bit replacement in the prior art, and improves working efficiency and drilling effect.
Patent Information
- Application Number
- CN202420990542.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-05-08
AI Technical Summary
Existing drill bits need to frequently replace drill bits of different sizes under different drilling requirements, resulting in inefficiency and extended shutdowns.
A drill bit with adjustable diameter is designed. By setting an adjustment component inside the drill bit, high-pressure gas pushes the connecting rod to extend the extension block and fill the block to fill the gap, so as to achieve adjustable diameter of the drill bit and avoid the need to replace the drill bit.
It realizes rapid adjustment of drill bit diameter and flexible adjustment of drill hole size, improves work efficiency and ensures the integrity and efficiency of the drilling process.
Smart Images
Figure CN222162503U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drill bits, in particular to a drill bit with adjustable diameter. Background Art
[0002] The drill bit is one of the commonly used tools in the oil, gas, coal and other industries. It is mainly used to drill deep underground rock formations to obtain fossil fuels. The main function of the drill bit is to penetrate the formation by cutting and wearing on the surface of the rock, so as to achieve the purpose of mining. The quality of the drill bit directly affects the efficiency and safety of drilling, so it is very important to design and manufacture high-quality drill bits.
[0003] However, in the current existing technology, casing is installed in the pile hole during geological drilling. However, different drilling requirements require holes of different diameters. Therefore, drill bits of different sizes need to be replaced multiple times when the diameter is changed. Therefore, work needs to be stopped for replacement, which prolongs the working time and reduces work efficiency. Utility Model Content
[0004] The utility model aims to provide a drill bit with adjustable diameter to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A drill bit with adjustable diameter comprises a drill bit, wherein an adjustment component for adjusting the diameter is arranged inside the drill bit, wherein the adjustment component comprises four extension blocks arranged inside the drill bit, wherein a base is arranged inside the drill bit, wherein a connecting shaft is arranged on the top of the base, wherein a conveying groove is arranged inside the connecting shaft, wherein an air bin is arranged inside the base, wherein a cavity is arranged inside the air bin, wherein four slide grooves are arranged on the inner wall of the air bin, wherein pistons and connecting rods are arranged inside the four slide grooves, and wherein four through grooves and a filling block are arranged on the inner wall of the cavity.
[0007] As a preferred solution of the utility model, the four extension blocks are all located in the drill bit, and one end is rotatably connected to the inner wall of the drill bit through a fixed shaft, and the base is located in the drill bit, and one end is connected to the inner wall of the drill bit through a bolt.
[0008] As a preferred solution of the utility model, the connecting shaft and the base are integrally formed, one end of the conveying groove in the connecting shaft extends to the outside and is connected to the air pump, and the other end is connected to the air bin in the base through a connecting pipe.
[0009] As a preferred solution of the utility model, the four slide grooves are all communicated with the air chamber, the piston is located in the slide groove and is slidably connected to the inner wall of the slide groove, one end of the connecting rod is located in the slide groove and is connected to the piston, and the other end extends into the drill bit and is rotatably connected to the connecting block on the inner wall of the extension block through a fixed shaft, and the connecting block on the inner wall of the extension block is slidably connected to the inner wall of the extension block through a slide rail.
[0010] As a preferred solution of the utility model, the cavity is communicated with the air chamber, the air chamber is communicated with four through slots of the inner wall, and the filling block is located in the through slot and is slidably connected to the inner wall of the through slot through a slide rail.
[0011] As a preferred solution of the utility model, the four through grooves in the air bin correspond to the gaps between the four extension blocks respectively, and the filling block is a conical structure and can be embedded in the gaps of the extension blocks.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: in response to the problems raised in the background technology, the present application adopts an adjustment component, which can inject high-pressure gas into the drill bit through the delivery groove, and push the connecting rod through the pressure to make the extension block in the drill bit extend, thereby expanding the diameter of the drill bit, and at the same time, the filling block can be pushed out by the air pressure entering the cavity to fill the gap generated when the extension block is opened, thereby ensuring the integrity and drilling effect of the drill bit after the diameter is adjusted, and realizing the adjustment and change of the diameter of the drill bit. The size of the drill hole can be adjusted without replacing the drill bit, so that the drill bit can quickly enter work and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0014] Figure 2 This is a cross-sectional view of the interior of the drill bit of the utility model;
[0015] Figure 3 This is an enlarged view of part A of the utility model;
[0016] Figure 4 This is a top view of the interior of the cavity of the utility model.
[0017] In the figure: 1, drill bit; 2, extension block; 3, base; 301, connecting shaft; 302, conveying trough; 4, air chamber; 401, slide groove; 5, piston; 501, connecting rod; 6, cavity; 601, filling block. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.
[0019] Example
[0020] See also Figure 1-4The utility model provides a technical solution: a drill bit with adjustable diameter, comprising a drill bit 1, wherein an adjusting component for adjusting the diameter is arranged inside the drill bit 1, wherein the adjusting component comprises four extension blocks 2 arranged inside the drill bit 1, wherein the extension blocks 2 can be rotated and opened and closed inside the drill bit 1, thereby expanding the diameter of the drill bit 1 when rotating and opening, wherein a base 3 is arranged inside the drill bit 1, wherein a connecting shaft 301 is arranged on the top of the base 3, for connecting the power source of the drill bit 1, thereby driving the drill bit 1 to rotate for drilling, wherein a conveying groove 302 is arranged inside the connecting shaft 301, wherein the conveying groove 302 can inject high-pressure gas into the base 3, wherein an air chamber 4 is arranged inside the base 3, and the high-pressure gas injected into the air chamber 4 will flow into the cavity 6 and a plurality of slide grooves 401, thereby increasing the internal pressure, wherein a cavity 6 is arranged inside the air chamber 4, and the inner wall of the air chamber 4 is arranged There are four slide grooves 401 for positioning the angles of the piston 5 and the connecting rod 501 when they slide. The piston 5 and the connecting rod 501 are arranged inside the four slide grooves 401. When high-pressure gas is injected into the slide groove 401, it will push the piston 5 to retract and retract in the slide groove 401, and drive the extension block 2 to open through the linkage of the connecting rod 501, so as to adjust the diameter of the drill bit 1. The inner wall of the cavity 6 is provided with four through grooves and a filling block 601. When the high-pressure gas enters the cavity 6, it is divided into a plurality of through grooves, and the filling block 601 is pushed out by the air pressure, and the conical structure of the filling block 601 makes it embedded in the gap between the extension blocks 2, so as to ensure the appearance of the drill bit 1 after the diameter is adjusted, so as to maintain the drilling effect, so as to adjust the diameter of the drill bit 1 without replacing the drill bit 1, quickly change the size of the drillable hole, enable the drill bit 1 to quickly enter work, and improve work efficiency.
[0021] In this embodiment, all electrical components are controlled by conventional controllers.
[0022] For example, please refer to Figure 1-4The four extension blocks 2 are all located in the drill bit 1, and one end of each of them is rotatably connected to the inner wall of the drill bit 1 through a fixed shaft. The base 3 is located in the drill bit 1, and one end of each of them is connected to the inner wall of the drill bit 1 through a bolt. The connecting shaft 301 is integrally formed with the base 3. One end of the conveying groove 302 in the connecting shaft 301 extends to the outside and is connected to the air pump, and the other end is connected to the air chamber 4 in the base 3 through a connecting pipe. The four slide grooves 401 are all connected to the air chamber 4. The piston 5 is located in the slide groove 401 and is slidably connected to the inner wall of the slide groove 401. One end of the connecting rod 501 It is located in the slide groove 401 and connected to the piston 5, and the other end extends into the drill bit 1, and is rotatably connected to the connecting block on the inner wall of the extension block 2 through a fixed shaft, and the connecting block on the inner wall of the extension block 2 is slidably connected to the inner wall of the extension block 2 through a slide rail. The cavity 6 is communicated with the air chamber 4, and the air chamber 4 is communicated with the four through grooves on the inner wall. The filling block 601 is located in the through groove and is slidably connected to the inner wall of the through groove through a slide rail. The four through grooves in the air chamber 4 correspond to the gaps between the four extension blocks 2 respectively. The filling block 601 is a conical structure and can be embedded in the gap of the extension block 2. When in use, first stop the machine and remove the drill bit 1 from the drill hole, then use the pump body to inject high-pressure gas into the gas chamber 4 in the base 3 through the delivery groove 302 in the connecting shaft 301. When the high-pressure gas flows from the gas chamber 4 to the slide groove 401, the gas pressure will push the piston 5 to retract and retract in the slide groove 401, and the connecting rod 501 will be used to drive the extension block 2 to open in the drill bit 1, so as to adjust the diameter of the drill bit 1. At the same time, the high-pressure gas enters the cavity 6 and is divided into multiple through grooves, and pushes the filling block 601 to slide out, and the filling block 601 is embedded in the gap between the extension blocks 2, so as to ensure the appearance of the drill bit 1 after the diameter is adjusted.
[0023] The working process of the utility model is as follows: when in use, the machine is first stopped to remove the drill bit 1 from the borehole, and then the high-pressure gas is injected into the gas chamber 4 in the base 3 through the delivery groove 302 in the connecting shaft 301 through the pump body. When the high-pressure gas flows from the gas chamber 4 to the slide groove 401, the piston 5 is pushed to expand and contract in the slide groove 401 by the air pressure, and the extension block 2 is driven to open in the drill bit 1 by the linkage of the connecting rod 501, so as to adjust the diameter of the drill bit 1. At the same time, the high-pressure gas enters the cavity 6 and is divided into multiple through grooves, and pushes the filling block 601 to slide out, and the filling block 601 is embedded in the gap between the extension blocks 2, so as to ensure the appearance of the drill bit 1 after the diameter is adjusted. The utility model realizes the adjustment of the diameter of the drill bit, and the size of the borehole can be adjusted without changing the drill bit, so that the drill bit can quickly enter the work and improve the work efficiency.
[0024] 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. A drill bit with adjustable diameter, comprising a drill bit (1), wherein an adjustment component for adjusting the diameter is arranged inside the drill bit (1), characterized in that: The adjustment assembly comprises four extension blocks (2) arranged inside a drill bit (1); a base (3) is arranged inside the drill bit (1); a connecting shaft (301) is arranged on the top of the base (3); a conveying groove (302) is arranged inside the connecting shaft (301); an air bin (4) is arranged inside the base (3); a cavity (6) is arranged inside the air bin (4); four slide grooves (401) are arranged on the inner wall of the air bin (4); a piston (5) and a connecting rod (501) are arranged inside the four slide grooves (401); and four through grooves and a filling block (601) are arranged on the inner wall of the cavity (6).
2. A diameter-adjustable drill bit according to claim 1, characterized in that: The four extension blocks (2) are all located inside the drill bit (1), and one end of each is rotatably connected to the inner wall of the drill bit (1) via a fixed shaft; the base (3) is located inside the drill bit (1), and one end of each is connected to the inner wall of the drill bit (1) via a bolt.
3. The diameter-adjustable drill bit according to claim 1, characterized in that: The connecting shaft (301) and the base (3) are integrally formed, one end of the conveying groove (302) in the connecting shaft (301) extends to the outside and is connected to the air pump, and the other end is connected to the air chamber (4) in the base (3) through a connecting pipe.
4. The diameter-adjustable drill bit according to claim 1, characterized in that: The four slide grooves (401) are all connected to the air chamber (4), the piston (5) is located in the slide groove (401) and is slidably connected to the inner wall of the slide groove (401), one end of the connecting rod (501) is located in the slide groove (401) and is connected to the piston (5), and the other end extends into the drill bit (1) and is rotatably connected to the connecting block on the inner wall of the extension block (2) through a fixed shaft, and the connecting block on the inner wall of the extension block (2) is slidably connected to the inner wall of the extension block (2) through a slide rail.
5. The diameter-adjustable drill bit according to claim 1, characterized in that: The cavity (6) is in communication with the air chamber (4), and the air chamber (4) is in communication with four through slots on the inner wall. The filling block (601) is located in the through slot and is slidably connected to the inner wall of the through slot via a slide rail.
6. The diameter-adjustable drill bit according to claim 1, characterized in that: The four through slots in the gas bin (4) correspond to the gaps between the four extension blocks (2) respectively, and the filling block (601) is a conical structure and can be embedded in the gaps of the extension blocks (2).