A diamond drill bit

Abstract

The utility model relates to the field of drill bits, and discloses a diamond drill bit, including a drill rod and a drill bit, wherein the drill bit is installed on the bottom of the drill rod through a detachable structure, and a positioning mechanism is provided between the drill rod and the drill bit, wherein the positioning mechanism includes a positioning groove and a positioning seat, wherein the positioning groove is provided on the bottom of the drill rod, the positioning seat is fixedly installed on the top of the drill bit, and the positioning seat is adapted to the corresponding positioning groove, a movable groove is provided on the inner wall of the positioning groove, and an insertion groove is provided on the side of the positioning seat, and an insertion groove is slidably installed in the movable groove, and the insertion groove is adapted to the corresponding insertion groove, and a groove is provided on the drill rod, and the positioning groove is connected to the groove. The utility model has the following advantages and effects: it is convenient to disassemble the drill bit and the drill rod, and the purpose of facilitating the replacement of the drill bit can be achieved, thereby achieving the purpose of reusing the drill rod.

Description

Technical Field

[0001] The utility model relates to the technical field of drill bits, in particular to a diamond drill bit. Background Art

[0002] The cutting part of a diamond drill bit is strong and sharp, with high cutting efficiency and good working effect. It is widely used in drilling operations in engineering construction. The patent document with authorization announcement number CN 207620727 U discloses a diamond drill bit, including a cylindrical drill rod and a plurality of cutter head blocks; a hexagonal connector is arranged at one end of the drill rod, and a plurality of cutter head blocks are evenly arranged around the center at the other end, the cutter head block is an arc-shaped structure made of diamond, a plurality of triangular convex teeth are arranged at the cutting end of the cutter head block to form a corrugated groove, a connecting end of the cutter head block is arranged with a connecting positioning groove, and the connecting positioning groove is arranged in the middle position of the connecting end of the cutter head block; a plurality of positioning bosses matching the connecting positioning groove are arranged on the end face of the drill rod where the cutter head block is arranged, and the cutter head block is welded and fixed to the end of the drill rod.

[0003] However, the commonly used diamond drill bit includes a drill rod and a diamond cutter block welded to one end of the drill rod. The diamond cutter block is easily worn and damaged, while the drill rod wears less. The drill rod and the diamond cutter block need to be replaced at the same time, which is not convenient for recycling the drill rod. Therefore, we propose a diamond drill bit to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a diamond drill bit, which is convenient for disassembling the drill bit and a drill rod, and can achieve the purpose of facilitating replacement of the drill bit, thereby achieving the purpose of reusing the drill rod.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a diamond drill bit, including a drill rod and a drill bit, the drill bit is installed on the bottom of the drill rod through a detachable structure, and a positioning mechanism is provided between the drill rod and the drill bit, the positioning mechanism includes a positioning groove and a positioning seat, the positioning groove is provided on the bottom of the drill rod, the positioning seat is fixedly installed on the top of the drill bit, and the positioning seat is adapted to the corresponding positioning groove, a movable groove is provided on the inner wall of the positioning groove, and an insertion groove is provided on the side of the positioning seat, an insertion seat is slidably installed in the movable groove, and the insertion seat is adapted to the corresponding insertion groove.

[0006] By adopting the above technical solution, it is convenient to disassemble the drill bit and the drill rod, so that the purpose of facilitating the replacement of the drill bit can be achieved, thereby achieving the purpose of reusing the drill rod.

[0007] The utility model is further configured as follows: a groove is provided on the drill rod, and the positioning groove is communicated with the groove; a rectangular hole is provided on the top inner wall of the movable groove, and the rectangular hole is communicated with the groove.

[0008] By adopting the above technical solution and providing a rectangular hole, the movable groove and the groove can be connected, so that the hinge rod can pass through the rectangular hole and extend into the movable groove.

[0009] The utility model is further configured as follows: a driving plate is slidably installed in the groove, a limiting mechanism is provided between the driving plate and the groove, and a pushing assembly is provided between the driving plate and the corresponding plug-in seat, and the pushing assembly includes a plurality of hinged rods, the top ends of the hinged rods are hinged to the bottom of the driving plate, and the bottom ends of the hinged rods pass through the corresponding driving holes and are hinged to the corresponding plug-in seat.

[0010] By adopting the above technical solution and providing an articulated rod, when the driving plate moves, the plurality of articulated rods can be driven to move, so that the articulated rods can drive the corresponding plug-in seats to move.

[0011] The utility model is further configured as follows: the limiting mechanism comprises a limiting groove and a limiting rod, the limiting groove is arranged on the top inner wall of the groove, the limiting rod is slidably installed in the limiting groove, and the bottom end of the limiting rod is fixedly installed on the driving plate.

[0012] By adopting the above technical solution and providing the limiting rod and the limiting groove, the driving plate can be guided, thereby achieving stable movement of the driving plate.

[0013] The utility model is further configured as follows: a storage groove is provided on the top of the drill rod, a threaded hole is provided on the bottom inner wall of the storage groove, a driving mechanism is provided in the threaded hole, the driving mechanism is connected to the driving plate, the driving mechanism includes a threaded rod and a knob, the threaded rod is threadedly installed in the threaded hole, the bottom end of the threaded rod is rotatably installed on the driving plate, and the top end of the threaded rod extends into the storage groove and is fixedly installed with a knob.

[0014] By adopting the above technical solution and providing a threaded rod, the movement of the threaded rod can drive the driving plate to move.

[0015] The utility model is further configured as follows: a rotating groove is provided on the driving plate, an annular groove is provided on the inner wall of the rotating groove, an annular seat is fixedly mounted on the threaded rod, and the annular seat is rotatably connected to the annular groove, the drill bit also includes a cutter head block and triangular convex teeth, the triangular convex teeth are mounted on the bottom of the cutter head block, and the cutter head block and the triangular convex teeth are made of diamond.

[0016] By adopting the above technical solution and providing the annular groove and the annular seat, the threaded rod can be rotatably mounted on the driving plate.

[0017] The beneficial effects of the utility model are:

[0018] (1) Since the cutter head block and triangular convex teeth are made of diamond, they have good cutting performance, are strong and durable, have a long service life, and have good comprehensive performance;

[0019] (2) When replacing the drill bit, the threaded rod can drive the drive plate to move by turning the knob and the threaded rod. Under the action of the limit rod and the limit groove, the drive plate can be guided so that the drive plate can rotate stably. The movement of the drive plate can drive the corresponding plug-in seat to move through the hinge rod, so that the plug-in seat can be inserted into or disengaged from the corresponding plug-in groove, thereby fixing and releasing the positioning seat and the drill bit, making it easy to disassemble the drill bit and the drill rod, and achieving the purpose of facilitating the replacement of the drill bit. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 This is a three-dimensional structural schematic diagram of a diamond drill bit of the utility model;

[0022] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of a diamond drill bit of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure A of a diamond drill bit of the utility model;

[0024] Figure 4 It is a B structural schematic diagram of a diamond drill bit of the utility model.

[0025] In the figure, 1. drill rod; 2. drill bit; 3. positioning groove; 4. positioning seat; 5. plug-in groove; 6. movable groove; 7. plug-in seat; 8. groove; 9. rectangular hole; 10. drive plate; 11. hinge rod; 12. limit rod; 13. storage groove; 14. threaded hole; 15. threaded rod; 16. knob; 17. limit groove. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0027] When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can also be an intermediate component. "Disposed" indicates a way of existence, which can be a connection method such as connection, installation, fixed connection, active connection, etc. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be an intermediate component at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] See also Figure 1-Figure 4 The utility model provides a diamond drill bit, including a drill rod 1 and a drill bit 2, the drill bit 2 is installed on the bottom of the drill rod 1 through a detachable structure, and a positioning mechanism is provided between the drill rod 1 and the drill bit 2, the positioning mechanism includes a positioning groove 3 and a positioning seat 4, the positioning groove 3 is provided on the bottom of the drill rod 1, the positioning seat 4 is fixedly installed on the top of the drill bit 2, and the positioning seat 4 is adapted to the corresponding positioning groove 3, a movable groove 6 is provided on the inner wall of the positioning groove 3, and an inserting groove 5 is provided on the side of the positioning seat 4, an inserting seat 7 is slidably installed in the movable groove 6, and the inserting seat 7 is adapted to the corresponding inserting groove 5.

[0030] Specifically, a groove 8 is formed on the drill rod 1 , and the positioning groove 3 is connected to the groove 8 . A rectangular hole 9 is formed on the top inner wall of the movable groove 6 , and the rectangular hole 9 is connected to the groove 8 .

[0031] Specifically, a driving plate 10 is slidably installed in the groove 8, a limiting mechanism is provided between the driving plate 10 and the groove 8, and a pushing assembly is provided between the driving plate 10 and the corresponding plug-in seat 7, the pushing assembly includes a plurality of hinged rods 11, the top ends of the hinged rods 11 are hinged to the bottom of the driving plate 10, and the bottom ends of the hinged rods 11 pass through the corresponding driving holes and are hinged to the corresponding plug-in seat 7.

[0032] Specifically, the limiting mechanism includes a limiting groove 17 and a limiting rod 12 . The limiting groove 17 is provided on the top inner wall of the groove 8 . The limiting rod 12 is slidably installed in the limiting groove 17 , and the bottom end of the limiting rod 12 is fixedly installed on the driving plate 10 .

[0033] Specifically, a receiving groove 13 is provided at the top of the drill rod 1, and a threaded hole 14 is provided on the bottom inner wall of the receiving groove 13. A driving mechanism is provided in the threaded hole 14, and the driving mechanism is connected to the driving plate 10. The driving mechanism includes a threaded rod 15 and a knob 16. The threaded rod 15 is threadedly installed in the threaded hole 14, and the bottom end of the threaded rod 15 is rotatably installed on the driving plate 10. The top end of the threaded rod 15 extends into the receiving groove 13 and is fixedly installed with the knob 16. A rotating groove is provided on the driving plate 10, and an annular groove is provided on the inner wall of the rotating groove. An annular seat is fixedly installed on the threaded rod 15, and the annular seat is rotatably connected to the annular groove.

[0034] Specifically, the drill bit 2 further comprises a cutter head block and triangular convex teeth, the triangular convex teeth are mounted on the bottom of the cutter head block, and the cutter head block and the triangular convex teeth are made of diamond.

[0035] Working principle: Since the cutter head block and the triangular convex teeth are made of diamond, they have good cutting performance, are strong and durable, have a long service life, and have good comprehensive performance. When the drill bit 2 is replaced, by turning the knob 16 and the threaded rod 15, the threaded rod 15 can drive the drive plate 10 to move. Under the action of the limit rod 12 and the limit groove 17, the drive plate 10 can be guided so that the drive plate 10 can rotate stably. The movement of the drive plate 10 can drive the corresponding plug-in seat 7 to move through the hinge rod 11, so that the plug-in seat 7 can be inserted into or disengaged from the corresponding plug-in groove 5, thereby fixing and releasing the positioning seat 4 and the drill bit 2, making it easy to disassemble the drill bit 2 and the drill rod 1, and achieving the purpose of facilitating the replacement of the drill bit 2.

[0036] The above is a detailed introduction to a diamond drill bit provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A diamond drill bit, characterized in that: It comprises a drill rod (1) and a drill bit (2), wherein the drill bit (2) is mounted on the bottom of the drill rod (1) via a detachable structure, and a positioning mechanism is provided between the drill rod (1) and the drill bit (2); The positioning mechanism comprises a positioning groove (3) and a positioning seat (4), wherein the positioning groove (3) is provided on the bottom of the drill rod (1), and the positioning seat (4) is fixedly mounted on the top of the drill bit (2), and the positioning seat (4) is adapted to the corresponding positioning groove (3); A movable groove (6) is provided on the inner wall of the positioning groove (3), and an inserting groove (5) is provided on the side surface of each positioning seat (4). An inserting seat (7) is slidably installed in the movable groove (6), and the inserting seat (7) is adapted to the corresponding inserting groove (5); The drill rod (1) is provided with a groove (8), and the positioning groove (3) is connected to the groove (8); a rectangular hole (9) is provided on the top inner wall of the movable groove (6), and the rectangular hole (9) is connected to the groove (8); a driving plate (10) is slidably installed in the groove (8), a limiting mechanism is provided between the driving plate (10) and the groove (8), and a pushing component is provided between the driving plate (10) and the corresponding plug-in seat (7); The pushing assembly comprises a plurality of hinged rods (11), the top ends of the hinged rods (11) are hinged on the bottom of the driving plate (10), the bottom ends of the hinged rods (11) pass through the corresponding driving holes and are hinged on the corresponding plug-in seats (7), the limiting mechanism comprises a limiting groove (17) and a limiting rod (12), the limiting groove (17) is provided on the top inner wall of the groove (8), the limiting rod (12) is slidably installed in the limiting groove (17), and the bottom end of the limiting rod (12) is fixedly installed on the driving plate (10); The top of the drill rod (1) is provided with a receiving groove (13), the bottom inner wall of the receiving groove (13) is provided with a threaded hole (14), a driving mechanism is provided in the threaded hole (14), the driving mechanism is connected to the driving plate (10), the driving mechanism comprises a threaded rod (15) and a knob (16), the threaded rod (15) is threadedly installed in the threaded hole (14), the bottom end of the threaded rod (15) is rotatably installed on the driving plate (10), and the top end of the threaded rod (15) extends into the receiving groove (13) and is fixedly installed with the knob (16).

2. A diamond drill bit according to claim 1, characterized in that: The driving plate (10) is provided with a rotation groove, the inner wall of the rotation groove is provided with an annular groove, an annular seat is fixedly mounted on the threaded rod (15), and the annular seat is rotationally connected to the annular groove.

3. A diamond drill bit according to claim 1, characterized in that: The drill bit (2) also comprises a cutter head block and triangular convex teeth, wherein the triangular convex teeth are mounted on the bottom of the cutter head block, and the cutter head block and the triangular convex teeth are made of diamond.

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