Drill bit adapter

Abstract

The present application relates to the technical field of mechanical tools, and discloses a drill bit connector, which comprises a connecting sleeve and a drill bit, a limiting mechanism is arranged on the connecting sleeve, the limiting mechanism comprises a limiting hole, the limiting hole is arranged on the right side of the outer wall of the connecting sleeve and is communicated to the right side of the inner wall of the connecting sleeve, inner grooves are arranged on the two sides of the inner wall of the limiting hole, a sliding block is slidably connected to the inner wall of each inner groove, an outer ring and a mounting nut are additionally arranged on the connecting end of the mining drilling machine, the outer wall of the connecting disc is attached to the inner wall of the outer ring, so that the clamping block is extruded, the sliding block slides along the inner groove, the clamping block is driven to slide along the limiting hole, and the limiting ball surface is simultaneously attached to the inner wall of the limiting groove of the middle end, when the motor output end of the mining drilling machine rotates, the middle end can be driven to rotate at high speed through the plug connector and be limited on the limiting ball surfaces on the two sides through the limiting groove, so that the plug connector is prevented from falling off due to insufficient tightness during the operation of the drilling machine.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical tools, in particular to a drill bit connector. BACKGROUND

[0002] With the prosperity of the economy, the continuous improvement of people's living standards, the development of production technology is getting better and better, people's use of their own time is getting more and more demanding, in mining operations, we have higher and higher requirements for equipment, drill bit connector is a kind of conversion connector used between drill bit and equipment, so that drill bit and equipment can be connected through connector, so that equipment and drill bit size can be connected through connector, so as to improve the efficiency of drill bit.

[0003] According to Chinese patent publication No. CN111456633A, the patent provides a drill bit connector, comprising a main body and a second extrusion pad, one side of the main body is provided with a twisting groove, wherein the twisting groove is fixed with a blocking strip on one side, the inside of the main body is provided with a first connecting groove, the first connecting groove is provided with a first threaded groove on one side, the first connecting groove is provided with a second threaded groove on one side, the second threaded groove is connected with a bolt, one end of the bolt is fixed with a first extrusion pad, one end of the main body is fixed with a connecting rod, the connecting rod is provided with a third threaded groove on one side, the second connecting groove is provided between the main body and the connecting rod, the second connecting groove is provided with a moving groove on one side close to the main body, the moving groove is embedded with a connecting block, one end of the connecting block is fixed with a push block, the other end of the connecting block is fixed with an extrusion block, the second extrusion pad is fixed on one side of the extrusion block, the blocking strip is provided with two groups, and the blocking strip is serrated, the second threaded groove and the bolt are provided with two groups, and the second threaded groove and the bolt are connected by threads, the first extrusion pad is provided with two groups, and the first extrusion pad is cylindrical, and the diameter of the first extrusion pad, the diameter of the bolt and the diameter of the second threaded groove are the same, the first extrusion pad is made of rubber material, the moving groove, the connecting block and the push block are provided with two groups, and the moving groove and the push block are connected by sliding about the connecting block, the second extrusion pad is provided with two groups, and the second extrusion pad is arc-shaped, and the second extrusion pad is made of rubber material, the drill bit can be connected with the third threaded groove by pulling the connecting rod, so that the drill bit can be connected with the third threaded groove after the drill bit is connected with the third threaded groove, the push block can be moved, the connecting block and the moving groove can be slid when the push block moves, the connecting block can be moved when the connecting block slides, the second extrusion pad can be moved when the connecting block moves, the drill bit can be extruded and fixed when the second extrusion pad moves to one side of the drill bit, the drill bit can be prevented from falling off during work, the twisting groove can be connected with the twisting tool, so that the twisting tool can be connected with the blocking strip after the twisting tool is connected with the twisting groove, the friction between the blocking strip and the twisting tool can be increased by the serration of the blocking strip, the twisting tool can be prevented from falling off when the twisting tool rotates the twisting groove, the first connecting groove, the first threaded groove and the equipment can be connected, the bolt can be rotated to rotate, the second threaded groove can be threaded with the second threaded groove when the bolt rotates, the first extrusion pad can be moved when the bolt is threaded, the equipment can be extruded when the first extrusion pad moves to one side of the equipment, the first extrusion pad can be deformed by its rubber material when the first extrusion pad extrudes the equipment, the friction between the first extrusion pad and the equipment can be increased after the first extrusion pad is deformed, the equipment can be prevented from falling off after the equipment is connected with the connector.

[0004] However, in the mining operation, the drill bit connector is worn out, and then loose or stuck, which affects the mining progress and mining effect, and the practicability and use effect need to be improved, and the use demand of the user for mining is difficult to meet. SUMMARY

[0005] (I) Technical problems solved

[0006] In view of the deficiencies of the prior art, the drill bit connector is provided.

[0007] (II) Technical solutions

[0008] To achieve the above purpose, the technical scheme provided by the application is as follows: a drill bit connector, comprising a connecting sleeve and a drill bit, a limiting mechanism is arranged on the connecting sleeve, and the limiting mechanism comprises a limiting hole, the limiting hole is opened on the right side of the outer wall of the connecting sleeve and is communicated to the right side of the inner wall of the connecting sleeve, the inner wall of the limiting hole is provided with an inner groove on both sides, each inner wall of the inner groove is slidably connected with a sliding block, the right side of each sliding block is fixedly connected with a tension spring on the right side of the inner wall of the inner groove, a clamping block is fixedly connected between the two sliding blocks, and the clamping block is slidably connected to the inner wall of the limiting hole, and the left side of the clamping block is fixedly connected with a limiting spherical surface.

[0009] Preferably, the number of limiting mechanisms is two, and the other is symmetrically installed on the left side of the connecting sleeve. By setting the limiting groove, the limiting spherical surface on both sides is limited, and the drill bit is driven to rotate and drill.

[0010] Preferably, the outer wall of the connecting sleeve is fixedly connected with a connecting disc, a through hole one is formed in the middle of the back surface of the connecting disc, the through hole one is communicated with the rear end sleeve opening of the connecting sleeve, an external thread sleeve is fixedly installed on the back surface of the connecting disc, and the inner cavity of the external thread sleeve is aligned with the through hole one, and an installation mechanism is arranged on the external thread sleeve. By setting the installation mechanism, the external thread sleeve is screwed with the mining drill machine connecting end with the internal thread sleeve, the flexibility and versatility of the connecting head device are enhanced.

[0011] Preferably, the installation mechanism comprises an installation cover, a screw groove one is formed in the bottom of the installation cover, and the inner wall of the screw groove one is threadedly connected with the outer wall of the external thread sleeve, a screw groove two is formed in the top of the installation cover, a through hole two is formed in the inner wall bottom of the screw groove two, and the through hole two is communicated to the inner wall top of the screw groove one and is aligned with the inner cavity of the external thread sleeve. By setting the screw groove two, the screw sleeve is rotated and tightened, and the mining drill machine is connected.

[0012] Preferably, the inner upper and inner lower of the connecting sleeve are provided with sliding grooves, the inner walls of each sliding groove are slidably connected with a baffle respectively, the back surfaces of each baffle are fixedly connected with a slide rod respectively, the rear ends of each slide rod are movably penetrated through the back surfaces of the inner walls of the sliding grooves and continue to be movably penetrated through the back surfaces of the outer walls of the connecting sleeve, and the penetrated ends of the two slide rods are fixedly connected with the top and bottom of the front surface of the connecting disc in sequence. By setting the connecting sleeve to slide along the outer wall of the slide rod, and avoiding disengaging from the sliding groove under the limiting action of the baffle.

[0013] Preferably, the outer wall of the connecting sleeve is fixedly installed with safety blocks on the two sides of the front surface, and safety holes are formed in the two safety blocks. By setting a lever tool such as a screwdriver inserted into the safety hole, and driving the safety block to apply force to the connecting sleeve through the twisting force, the stuck thread can be easily disassembled.

[0014] Preferably, the rear end of the drill bit is fixedly connected with a front surface of a middle end, a limiting groove is formed in the outer wall of the middle end, and a plug-in connector is fixedly connected to the back surface of the middle end. By setting the limiting ball to fit the inner wall of the limiting groove of the middle end, the plug-in connector can be prevented from falling off due to insufficient tightness during the operation of the drilling machine.

[0015] Preferably, the outer wall of the middle end is fitted in the inner wall of the connecting sleeve, and the plug-in connector is located between the through hole one, the outer thread sleeve, the through hole two and the inner cavity of the screw groove two in sequence. By setting the corresponding motor output slot of the mining drilling machine, the plug-in connector can be inserted and fixed.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the present application provides a drill bit connector, which has the following beneficial effects:

[0018] 1. The drill bit connector, by adding an outer ring and a mounting screw sleeve to the connecting end of the mining drilling machine, the outer wall of the connecting disc is fitted to the inner wall of the outer ring, thereby extruding the clamping block, making the sliding block slide along the inner groove, then driving the clamping block to slide along the limiting hole, and at the same time driving the limiting ball to fit the inner wall of the limiting groove of the middle end, when the motor output end of the mining drilling machine rotates, the plug-in connector can drive the middle end to rotate at high speed, and the limiting groove is limited on the limiting ball on both sides, avoiding the plug-in connector from falling off due to insufficient tightness during the operation of the drilling machine.

[0019] 2. The drill bit connector, by inserting a lever tool such as a screwdriver into the safety hole, and driving the safety block to apply force to the connecting sleeve through the twisting force, it is convenient to better cope with the situation of thread jamming, and improve the disassembly ability.

[0020] 3. The drill head connector is connected through the actual use of mining drilling machine, so as to adopt different size of screw groove two, adapt to the installation of different mining drilling machine screw size, the installation mechanism is rotated and removed, the outer thread sleeve is screwed to the mining drilling machine connection end with the inner thread sleeve, which enhances the flexibility and versatility of the connector device. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the technical scheme of the present application, and do not constitute a limitation on the present application. In the drawings:

[0022] Figure 1 is a perspective view of the present application;

[0023] Figure 2 is a top view of the sectional view of the connecting sleeve of the present application;

[0024] Figure 3 is a sectional view of the connecting sleeve of the present application;

[0025] Figure 4 is a sectional view of the connecting sleeve of the present application;

[0026] Figure 5 is a top view of the drill head of the present application;

[0027] Figure 6 is a rear view of the plug-in connector of the present application.

[0028] In the drawings: 1, connecting sleeve; 2, limiting mechanism; 201, limiting hole; 202, inner groove; 203, sliding block; 204, tension spring; 205, clamping block; 206, limiting spherical surface; 3, connecting disc; 4, through hole one; 5, outer thread sleeve; 6, installation mechanism; 601, installation cover; 602, screw groove one; 603, screw groove two; 604, through hole two; 7, sliding groove; 8, sliding rod; 9, baffle; 10, safety block; 11, drill head; 12, middle end; 13, limiting groove; 14, plug-in connector. DETAILED DESCRIPTION

[0029] The technical scheme of the embodiments of the present application will be described clearly and completely in the embodiments of the present application combined with the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0030] Embodiment one

[0031] As Figure 1 , 2The application provides a drill bit connector, which comprises a connecting sleeve 1 and a drill bit 11, a limiting mechanism 2 is arranged on the connecting sleeve 1, the limiting mechanism 2 comprises a limiting hole 201, the limiting hole 201 is arranged on the right side of the outer wall of the connecting sleeve 1 and is communicated with the right side of the inner wall of the connecting sleeve 1, inner grooves 202 are arranged on the two sides of the inner wall of the limiting hole 201, a sliding block 203 is slidably connected to the inner wall of each inner groove 202, a tension spring 204 is fixedly connected to the right side of each sliding block 203 and the right side of the inner wall of the corresponding inner groove 202, a clamping block 205 is fixedly connected between the two sliding blocks 203 and is slidably connected to the inner wall of the limiting hole 201, a limiting spherical surface 206 is fixedly connected to the left side of the clamping block 205, the number of the limiting mechanism 2 is two, and the other limiting mechanism 2 is symmetrically arranged on the left side of the connecting sleeve 1, the limiting grooves 13 are limited on the limiting spherical surfaces 206 on the two sides, and the drill bit 11 is driven to rotate and drill, the rear end of the drill bit 11 is fixedly connected to the front surface of a middle end 12, the outer wall of the middle end 12 is provided with the limiting grooves 13, the back surface of the middle end 12 is fixedly connected with a plug-in connector 14, the limiting spherical surface 206 is attached to the inner wall of the limiting grooves 13 of the middle end 12, so that the plug-in connector 14 is prevented from falling off due to insufficient tightness during the operation of the drilling machine, the outer wall of the middle end 12 is attached to the inner wall of the connecting sleeve 1, the plug-in connector 14 is sequentially arranged between the inner cavities of the through hole one 4, the outer threaded sleeve 5, the through hole two 604 and the screw groove two 603, and the plug-in connector 14 can be inserted and fixed with the corresponding motor output end slot of the mining drilling machine.

[0032] In the embodiment, the connecting end of the mining drilling machine is additionally provided with an outer ring and a mounting screw, the outer wall of the connecting disc 3 is attached to the inner wall of the outer ring, the clamping block 205 is extruded, the sliding block 203 is slid along the inner groove 202, the clamping block 205 is slid along the limiting hole 201, and the limiting spherical surface 206 is attached to the inner wall of the limiting groove 13 of the middle end 12, so that the middle end 12 is driven to rotate at high speed through the plug-in connector 14 when the motor output end of the mining drilling machine rotates, the limiting grooves 13 are limited on the limiting spherical surfaces 206 on the two sides, and the plug-in connector 14 is prevented from falling off due to insufficient tightness during the operation of the drilling machine.

[0033] Embodiment two

[0034] As Figures 1-4As shown, on the basis of example one, the application provides a technical solution: preferably, the outer wall of the connecting sleeve 1 is fixedly connected with a connecting disc 3, a through hole one 4 is formed in the middle of the back surface of the connecting disc 3, the through hole one 4 is in communication with the rear end sleeve opening of the connecting sleeve 1, an external thread sleeve 5 is fixedly installed on the back surface of the connecting disc 3, and the inner cavity of the external thread sleeve 5 is aligned with the through hole one 4, and the external thread sleeve 5 is provided with a mounting mechanism 6, which is rotated and removed, so that the external thread sleeve 5 is threadedly connected with the mining drill connecting end having an internal thread sleeve, thereby enhancing the flexibility and versatility of the connecting head device, the mounting mechanism 6 includes a mounting cover 601, a screw groove one 602 is formed in the bottom of the mounting cover 601, and the inner wall of the screw groove one 602 is threadedly connected with the outer wall of the external thread sleeve 5, a screw groove two 603 is formed in the top of the mounting cover 601, a through hole two 604 is formed in the inner wall bottom of the screw groove two 603, and the through hole two 604 is in communication with the inner wall top of the screw groove one 602 and is aligned with the inner cavity of the external thread sleeve 5, the screw groove two 603 is rotated and tightened to install a screw sleeve, and the mining drill is connected, and the inner upper and inner lower parts of the connecting sleeve 1 are provided with a sliding groove 7, the inner wall of each sliding groove 7 is slidably connected with a baffle 9, the back surface of each baffle 9 is fixedly connected with a slide rod 8, the rear end of each slide rod 8 is movably penetrated through the inner wall back surface of the sliding groove 7 and further movably penetrated through the outer wall back surface of the connecting sleeve 1, and the penetration ends of the two slide rods 8 are fixedly connected with the front top and front bottom of the connecting disc 3 in sequence, the connecting sleeve 1 is pulled to slide along the outer wall of the slide rod 8, and is prevented from being separated from the sliding groove 7 under the limiting action of the baffle 9.

[0035] In this embodiment, by actually using the mining drill, different sizes of screw grooves two 603 are adopted to adapt to the sizes of the installation screw sleeves of different mining drills, the mounting mechanism 6 is rotated and removed, the external thread sleeve 5 is threadedly connected with the mining drill connecting end having an internal thread sleeve, thereby enhancing the flexibility and versatility of the connecting head device.

[0036] Example three

[0037] As shown in Figure 1 , 3 on the basis of example one, the application provides a technical solution: preferably, the outer wall of the connecting sleeve 1 is fixedly connected with a connecting disc 3, a through hole one 4 is formed in the middle of the back surface of the connecting disc 3, the through hole one 4 is in communication with the rear end sleeve opening of the connecting sleeve 1, an external thread sleeve 5 is fixedly installed on the back surface of the connecting disc 3, and the inner cavity of the external thread sleeve 5 is aligned with the through hole one 4, and the external thread sleeve 5 is provided with a mounting mechanism 6, which is rotated and removed, so that the external thread sleeve 5 is threadedly connected with the mining drill connecting end having an internal thread sleeve, thereby enhancing the flexibility and versatility of the connecting head device, the mounting mechanism 6 includes a mounting cover 601, a screw groove one 602 is formed in the bottom of the mounting cover 601, and the inner wall of the screw groove one 602 is threadedly connected with the outer wall of the external thread sleeve 5, a screw groove two 603 is formed in the top of the mounting cover 601, a through hole two 604 is formed in the inner wall bottom of the screw groove two 603, and the through hole two 604 is in communication with the inner wall top of the screw groove one 602 and is aligned with the inner cavity of the external thread sleeve 5, the screw groove two 603 is rotated and tightened to install a screw sleeve, and the mining drill is connected, and the inner upper and inner lower parts of the connecting sleeve 1 are provided with a sliding groove 7, the inner wall of each sliding groove 7 is slidably connected with a baffle 9, the back surface of each baffle 9 is fixedly connected with a slide rod 8, the rear end of each slide rod 8 is movably penetrated through the inner wall back surface of the sliding groove 7 and further movably penetrated through the outer wall back surface of the connecting sleeve 1, and the penetration ends of the two slide rods 8 are fixedly connected with the front top and front bottom of the connecting disc 3 in sequence, the connecting sleeve 1 is pulled to slide along the outer wall of the slide rod 8, and is prevented from being separated from the sliding groove 7 under the limiting action of the baffle 9.

[0038] In this embodiment, by inserting a lever tool such as a screwdriver into the safety hole and applying force to the connecting sleeve 1 by twisting the safety block 10, the situation of thread jamming can be better handled, and the disassembly ability is improved.

[0039] The working principle of the drill bit connecting head will be described in detail below.

[0040] As Figures 1-6 shown, in use, the size of the screw groove 603 in the case is not limited to a single one, which needs to be adapted to the size of the mounting screw sleeve of different mining drilling machines according to the actual use of the mining drilling machine, and the screw groove 603 is rotated and tightened to install the screw sleeve, and the mining drilling machine is connected, the connecting sleeve 1 is pulled to slide along the outer wall of the slide rod 8, and is limited by the stop piece 9 to avoid disengaging from the slide groove 7, and the connecting sleeve 1 is away from the connecting disc 3, at this time the plug-in head 14 is inserted into the connecting sleeve 1, and the movable through hole one 4 and the through hole two 604 are continued to extend into the mounting screw sleeve, and the mounting screw sleeve is configured with the corresponding motor output slot of the mining drilling machine, which can be inserted and fixed with the plug-in head 14, and the sliding reset connecting sleeve 1 is adhered to the connecting disc 3, the connecting end of the mining drilling machine needs to be added with an outer ring, so that the outer wall of the connecting disc 3 is adhered to the inner wall of the outer ring, thereby extruding the clamping block 205, so that the sliding block 203 slides along the inner groove 202, thereby driving the clamping block 205 to slide along the limiting hole 201, and simultaneously driving the limiting spherical surface 206 to adhere to the limiting groove 13 of the middle end 12, thereby avoiding the disengagement of the plug-in head 14 due to insufficient tightness during the drilling operation, when the motor output end of the mining drilling machine rotates, the middle end 12 can be driven to rotate at high speed through the plug-in head 14, and the drill bit 11 is driven to rotate and drill through the limiting groove 13 limiting the limiting spherical surface 206 on both sides, the installation mechanism 6 in the case belongs to an added mechanism, which can be rotated and removed, so that the outer threaded sleeve 5 is screwed to the mining drilling machine connecting end with an inner threaded sleeve, thereby enhancing the flexibility and versatility of the connecting head device in the case, if the threaded connection is stuck, a lever tool such as a screwdriver can be inserted into the safety hole, and the safety block 10 is driven by the twisting force to apply force to the connecting sleeve 1, thereby better coping with the threaded stuck condition and improving the disassembly ability.

Claims

1. A drill bit adapter comprising a coupling sleeve (1) and a drill bit (11), characterized in that: The connecting sleeve (1) is provided with a limiting mechanism (2), and the limiting mechanism (2) comprises a limiting hole (201) which is arranged on the right side of the outer wall of the connecting sleeve (1) and is communicated to the right side of the inner wall of the connecting sleeve (1), the inner wall of the limiting hole (201) is provided with an inner groove (202) on both sides, each inner groove (202) is slidably connected with a sliding block (203), the right side of each sliding block (203) is fixedly connected with a tension spring (204) on the right side of the inner wall of the inner groove (202), the two sliding blocks (203) are fixedly connected with a clamping block (205), and the clamping block (205) is slidably connected to the inner wall of the limiting hole (201), and the left side of the clamping block (205) is fixedly connected with a limiting spherical surface (206). The number of the limiting mechanism (2) is two, and the other is symmetrically installed on the left side of the connecting sleeve (1). The outer wall back of the connecting sleeve (1) is fixedly connected with a connecting disc (3), the back of the connecting disc (3) is provided with a through hole (4), the through hole (4) is communicated with the rear end sleeve of the connecting sleeve (1), the back of the connecting disc (3) is fixedly provided with an external thread sleeve (5), and the inner cavity of the external thread sleeve (5) is aligned with the through hole (4), and the external thread sleeve (5) is provided with a mounting mechanism (6). The mounting mechanism (6) comprises an installation cover (601), the bottom of the installation cover (601) is provided with a screw groove (602), and the inner wall of the screw groove (602) is threadedly connected with the outer wall of the external thread sleeve (5), the top of the installation cover (601) is provided with a screw groove (603), the inner wall of the screw groove (603) is provided with a through hole (604), and the through hole (604) is communicated to the inner wall of the screw groove (602) and is aligned with the inner cavity of the external thread sleeve (5). The inner wall of the connecting sleeve (1) is provided with a sliding groove (7) above and below, the inner wall of each sliding groove (7) is slidably connected with a baffle (9), the back of each baffle (9) is fixedly connected with a sliding rod (8), the rear end of each sliding rod (8) is movably penetrated through the inner wall back of the sliding groove (7), and then movably penetrates through the outer wall back of the connecting sleeve (1), and the penetrating ends of the two sliding rods (8) are fixedly connected with the front top and front bottom of the connecting disc (3) in sequence.

2. The drill bit adapter of claim 1, wherein: The outer wall front of the connecting sleeve (1) is fixedly provided with a safety block (10), and the safety block (10) is provided with a safety hole.

3. The drill bit adapter of claim 1, wherein: The rear end of the drill bit (11) is fixedly connected with the front of the middle end (12), the outer wall of the middle end (12) is provided with a limiting groove (13), and the back of the middle end (12) is fixedly connected with a plug (14).

4. The drill bit adapter of claim 3, wherein: The outer wall of the middle end (12) is connected with the inner wall of the connecting sleeve (1), and the plug (14) is located between the through hole (4), the external thread sleeve (5), the through hole (604) and the inner cavity of the screw groove (603) in sequence.

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