Down-the-hole drill conversion connector

Abstract

The utility model relates to the technical field of down-the-hole drill bits, and discloses a down-the-hole drill bit conversion connector which comprises a drill bit body, a connector body is arranged at the top of the drill bit body and comprises a fixing column, a connecting column is fixedly connected to the top of the fixing column, two mounting seats are fixedly connected to the bottom of the fixing column, and the two mounting seats are fixedly connected to the bottom of the fixing column. Mounting grooves are formed in the ends, away from each other, of the two mounting bases correspondingly, connecting plates are arranged in the mounting grooves correspondingly, and limiting blocks are fixedly connected to the bottoms of the connecting plates correspondingly. According to the conversion connector for the down-the-hole drill bit, the clamping grooves are formed in the two ends of the clamping column and matched with the limiting blocks, the two limiting blocks are clamped into the clamping grooves respectively, and the connecting plates on the limiting blocks are fixed into the mounting base through the bolts and the nuts respectively, so that the drill bit body can be stably connected to the connector body; and during disassembly and replacement, the connector body does not need to be disassembled, and only the drill bit body needs to be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of down-the-hole drill bits, in particular to a down-the-hole drill bit conversion connector. Background Art

[0002] With the development of society, the application of down-the-hole drill bits is becoming more and more extensive. There are four main end face design forms used in down-the-hole drill bits and high-pressure down-the-hole drill bits: convex end face type, flat end face type, concave end face type and deep concave center end face type. Cemented carbide mostly uses ball teeth, spring teeth or a combination of ball teeth and spring teeth.

[0003] In the prior art, a down-the-hole hammer impactor is generally connected to the drill bit by a drill bit connector. The traditional drill bit connector is generally connected to the drill bit by a through pin. During disassembly, the drill bit and the drill bit connector cannot be separated. Therefore, a down-the-hole drill bit conversion connector is urgently needed. Utility Model Content

[0004] The utility model aims to provide a down-the-hole drill bit conversion connector to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a down-the-hole drill bit conversion connector, comprising a drill bit body, a connector body is arranged on the top of the drill bit body;

[0006] The connector body includes a fixing column, the top of which is fixedly connected to a connecting column, the bottom of which is fixedly connected to two mounting seats, the two mounting seats are respectively provided with mounting grooves at one end away from each other, connecting plates are respectively arranged in the mounting grooves, and the bottoms of the connecting plates are respectively fixedly connected to limiting blocks.

[0007] Preferably, the two mounting seats are respectively provided with mounting holes, and the connecting plates are respectively provided with mounting holes matched with the mounting seats.

[0008] There is a connecting column at the top of the fixing column, which is used to connect or fix with other components. The bottom of the fixing column is connected to two mounting seats, each of which is provided with a connecting plate. The mounting seat is provided with mounting holes, and the connecting plate also has mounting holes that are compatible with these mounting holes. The connecting plates are fixed in the mounting holes by bolts and nuts.

[0009] Preferably, bolts are threadedly connected in the mounting holes, and nuts are threadedly connected at one end of the bolts.

[0010] Preferably, a clamping column is fixedly connected to the top of the drill body, and clamping grooves are respectively formed at both ends of the clamping column, and the clamping grooves are respectively matched with the limit blocks.

[0011] There is a clamping column on the top of the drill body, and there are clamping grooves at both ends of the clamping column. These clamping grooves are adapted to the limit blocks. The two limit blocks are respectively inserted into the clamping grooves, and the connecting plates on the limit blocks are respectively fixed to the mounting base with bolts and nuts, so that the drill body can be stably connected to the connector body.

[0012] Preferably, a threaded hole is formed at the top of the drill body, and a threaded hole connected to the drill body is formed at the top of the clamping column.

[0013] Preferably, a plug rod is fixedly connected to the bottom of the fixing column, and a thread is provided on the surface of the plug rod.

[0014] A threaded hole is also provided on the top of the drill body, and a threaded hole is also provided on the top of the clamping column which is connected to the drill body, while threads matching the threads are provided on the surface of the insertion rod, so that the connection between the fixing column and the drill body is tighter and its tightness is increased.

[0015] Preferably, the thread on the surface of the insertion rod is matched with the threaded hole.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0017] First, in the utility model, a connecting column is provided on the top of the fixing column for connecting or fixing with other components, and two mounting seats are connected to the bottom of the fixing column, and a connecting plate is arranged in each mounting seat, and a mounting hole is opened on the mounting seat, and mounting holes matched with these mounting holes are also arranged on the connecting plate, and the connecting plate is fixed in the mounting hole by bolts and nuts, and a clamping column is provided on the top of the drill body, and clamping grooves are provided at both ends of the clamping column, and these clamping grooves are matched with the limit blocks, and the two limit blocks are respectively clamped into the clamping grooves, and the connecting plates on the limit blocks are respectively fixed in the mounting seats by bolts and nuts, so that the drill body can be stably connected to the connector body, and the connector body does not need to be removed for disassembly and replacement, and only the drill body needs to be replaced.

[0018] Second, in the utility model, a threaded hole is provided on the top of the drill body, and a threaded hole is also provided on the top of the clamping column which is connected to the drill body, and a thread matching the threaded hole is provided on the surface of the insertion rod, so that the connection between the fixing column and the drill body is tighter and the tightness is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the connection structure of the utility model;

[0020] Figure 2This is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from the top of the clamping column;

[0022] Figure 4 This is a schematic diagram of the front view cutaway structure of the drill body of the utility model.

[0023] Among them: 1. drill body; 2. connector body; 21. fixing column; 22. connecting column; 23. mounting seat; 24. connecting plate; 25. limit block; 26. bolt; 11. clamping column; 12. threaded hole; 13. plug rod. DETAILED DESCRIPTION

[0024] 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.

[0025] The utility model provides the following technical solutions:

[0026] Embodiment 1

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , a down-the-hole drill bit conversion connector, comprising a drill bit body 1, a connector body 2 is arranged on the top of the drill bit body 1;

[0028] The connector body 2 includes a fixing column 21, the top of which is fixedly connected to a connecting column 22, the bottom of which is fixedly connected to two mounting seats 23, mounting grooves are respectively provided at the ends of the two mounting seats 23 that are away from each other, connecting plates 24 are respectively provided in the mounting grooves, and the bottoms of the connecting plates 24 are respectively fixedly connected to limiting blocks 25.

[0029] The two mounting seats 23 are respectively provided with mounting holes, and the connecting plate 24 is respectively provided with mounting holes matched with the mounting seats 23 .

[0030] Bolts 26 are threadedly connected in the mounting holes, and nuts are threadedly connected at one end of the bolts 26.

[0031] A clamping column 11 is fixedly connected to the top of the drill body 1 , and clamping grooves are respectively formed at both ends of the clamping column 11 , which are respectively matched with the limit blocks 25 .

[0032] Through the above technical scheme, a connecting column 22 is provided on the top of the fixing column 21 for connecting or fixing with other components, and two mounting seats 23 are connected to the bottom of the fixing column 21, and a connecting plate 24 is arranged in each mounting seat 23, and a mounting hole is opened on the mounting seat 23, and the connecting plate 24 also has mounting holes adapted to these mounting holes, and the connecting plate 24 is fixed in the mounting hole by bolts 26 and nuts, and a clamping column 11 is provided on the top of the drill body 1, and a clamping groove is provided at both ends of the clamping column 11, and these clamping grooves are adapted to the limit blocks 25, and the two limit blocks 25 are respectively inserted into the clamping grooves, and the bolts 26 and nuts are used to fix the connecting plate 24 on the limit blocks 25 in the mounting seat 23, so that the drill body 1 can be stably connected to the connector body 2, and when disassembling and replacing, there is no need to remove the connector body 2, and only the drill body 1 needs to be replaced.

[0033] Embodiment 2

[0034] See also Figure 3 , Figure 4 On the basis of the first embodiment, it is further obtained that: a threaded hole 12 is opened at the top of the drill body 1, and a threaded hole 12 connected to the drill body 1 is opened at the top of the clamping column 11.

[0035] The bottom of the fixing column 21 is fixedly connected with an insert rod 13 , and a thread is arranged on the surface of the insert rod 13 .

[0036] The thread on the surface of the insert rod 13 is matched with the threaded hole 12 .

[0037] Through the above technical solution, a threaded hole 12 is also opened on the top of the drill body 1, and the top of the clamping column 11 also has a threaded hole 12 connected to the drill body 1, and the surface of the insert rod 13 is provided with a thread adapted thereto, so that the connection between the fixing column 21 and the drill body 1 is tighter and its tightness is increased.

[0038] In actual operation, when the device is in use, a connecting column 22 is provided on the top of the fixing column 21 for connecting or fixing with other components, and two mounting seats 23 are connected to the bottom of the fixing column 21, and a connecting plate 24 is provided in each mounting seat 23, and mounting holes are provided on the mounting seat 23, and mounting holes adapted to these mounting holes are also provided on the connecting plate 24, and the connecting plate 24 is fixed in the mounting holes by bolts 26 and nuts, and a clamping column 11 is provided on the top of the drill body 1, and slots are provided at both ends of the clamping column 11, and these slots are adapted to the limit blocks 25, and the two limit blocks are fixed. 25 are respectively inserted into the card slots, and the bolts 26 and nuts are used to fix the connecting plate 24 on the limit block 25 in the mounting seat 23, so that the drill body 1 can be stably connected to the connector body 2. When disassembling and replacing, there is no need to remove the connector body 2, and only the drill body 1 needs to be replaced. A threaded hole 12 is also provided on the top of the drill body 1, and the top of the clamping column 11 also has a threaded hole 12 connected to the drill body 1, and the surface of the insertion rod 13 is provided with a thread matched therewith, so that the connection between the fixing column 21 and the drill body 1 is tighter, thereby increasing its tightness.

[0039] Although the 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 thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A down-the-hole drill bit conversion connector, comprising a drill bit body (1), characterized in that: A connector body (2) is provided on the top of the drill body (1); The connector body (2) comprises a fixing column (21), the top of the fixing column (21) is fixedly connected to a connecting column (22), the bottom of the fixing column (21) is fixedly connected to two mounting seats (23), the two mounting seats (23) are respectively provided with mounting grooves at ends away from each other, connecting plates (24) are respectively arranged in the mounting grooves, and the bottoms of the connecting plates (24) are respectively fixedly connected to limiting blocks (25).

2. A down-the-hole drill bit conversion connector according to claim 1, characterized in that: The two mounting seats (23) are respectively provided with mounting holes, and the connecting plate (24) is respectively provided with mounting holes matching the mounting seats (23).

3. A down-the-hole drill bit conversion connector according to claim 2, characterized in that: Bolts (26) are respectively threadedly connected in the mounting holes, and one end of the bolts (26) is respectively threadedly connected with a nut.

4. A down-the-hole drill bit conversion connector according to claim 1, characterized in that: A clamping column (11) is fixedly connected to the top of the drill body (1), and clamping grooves are respectively formed at both ends of the clamping column (11), and the clamping grooves are respectively matched with the limit blocks (25).

5. A down-the-hole drill bit conversion connector according to claim 4, characterized in that: A threaded hole (12) is provided at the top of the drill body (1), and a threaded hole (12) connected to the drill body (1) is provided at the top of the clamping column (11).

6. A down-the-hole drill bit conversion connector according to claim 1, characterized in that: The bottom of the fixing column (21) is fixedly connected to an insertion rod (13), and the surface of the insertion rod (13) is provided with threads.

7. A down-the-hole drill bit conversion connector according to claim 6, characterized in that: The thread on the surface of the insert rod (13) is matched with the threaded hole (12).

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