Pneumatic handheld drilling machine with drill bit convenient to replace

Abstract

The utility model discloses a pneumatic handheld drilling machine with a drill bit convenient to replace, and relates to the technical field of pneumatic handheld drilling machines. The water inlet unit is arranged on the side surface of the drilling machine; the water inlet unit is arranged on the outer surface of the drilling machine, the air inlet unit is arranged on the side face of the drilling machine, the drilling machine comprises a driving assembly and an installation assembly arranged on the outer surface of the driving assembly, and the water inlet unit comprises a fixing assembly arranged on the outer surface of the drilling machine and a connecting assembly arranged on the outer surface of the fixing assembly. Water can be conveniently injected into the drilling machine through mutual matching of the first mounting base, the water inlet handle, the first connecting pipe and the valve, so that dust is prevented from flying out when the drilling machine is assisted to drill holes, meanwhile, the lubricating effect is achieved, and the service life of the drilling machine is prolonged. And a second mounting seat, an air inlet handle, a second connecting pipe, a rubber pipe, an oil injector and an air inlet connecting clamping sleeve are matched with one another, so that the interior of the drilling machine can be conveniently inflated, a drill bit can be conveniently driven to rotate by using compressed air, and the functionality of the pneumatic handheld drilling machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic handheld drills, in particular to a pneumatic handheld drill which is convenient for replacing a drill bit. Background Art

[0002] A pneumatic handheld drill is a device used for drilling holes in the construction of geological structure coal seams, water exploration and drainage, gas extraction, coal body water injection, pressure relief holes, and tunnel penetration advance holes. It is widely used in mining and other fields.

[0003] In the prior art, a patent document with publication number CN219061654U proposes an adjustment component and a pneumatic handheld drill, comprising: a connecting rod, one end of the connecting rod is connected to a handheld drill body through a fixed block, and the connecting rod is provided with two, one of which is slidably connected to a slide rod 1 at one end away from the handheld drill body through a spring; the other connecting rod is slidably connected to a slide rod 2 at one end away from the handheld drill body, and the slide rod 2 and the slide rod 1 have the same length; by moving the movable sleeve to the scale line of the required drilling depth and fixing it with a hand-tightening bolt, by contacting one end of baffle plate 1 and baffle plate 2 with the ground, the handheld drill body is opened and pressed downward, one of the connecting rods slides downward through the compression spring, and the other connecting rod slides on the slide rod 2 synchronously, and when the slide sleeve 2 contacts the limit block, the drill bit cannot move downward, that is, the hole is drilled vertically to the required depth.

[0004] In order to solve the problem that when drilling with a handheld drill, the operator cannot keep the drill hole perpendicular to the wall surface by simply relying on the operator's eyes and hands, which will cause the drill bit to deviate from the drilling depth. The prior art adopts a method of moving the movable sleeve to the scale line of the required drilling depth, fixing it with hand-tightened bolts, contacting one end of baffle plate 1 and baffle plate 2 with the ground, opening the handheld drill body and pressing it downward. However, it is inconvenient to replace the drill bit during use of the device, which reduces the practicality of the pneumatic handheld drill. Utility Model Content

[0005] The utility model aims to provide a pneumatic handheld drill which is convenient for replacing the drill bit, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A pneumatic handheld drill rig for facilitating the replacement of a drill bit comprises a drill rig; a water inlet unit arranged on the side of the drill rig; and an air inlet unit arranged on the side of the drill rig, wherein the drill rig comprises a drive assembly and a mounting assembly arranged on the outer surface of the drive assembly, the water inlet unit comprises a fixing assembly arranged on the outer surface of the drill rig and a connecting assembly arranged on the outer surface of the fixing assembly, and the air inlet unit comprises an air delivery assembly arranged on the outer surface of the drill rig and a lubrication assembly arranged on the outer surface of the air delivery assembly.

[0008] A further improvement of the technical solution of the utility model is that the driving assembly includes a box body, the bottom end of the box body is fixedly connected to a reduction box body, the bottom surface of the reduction box body is fixedly connected to a coupling, and the bottom surface of the coupling is fixedly connected to a connecting seat.

[0009] A further improvement of the technical solution of the utility model is that the installation assembly includes a drill sleeve, the connecting end of the drill sleeve is rotatably connected to the inside of the connecting seat, and the outer surface of the drill sleeve is detachably connected to a locking ring.

[0010] By adopting the above technical solution, the cooperation of the housing, the reduction housing, the coupling, the connecting seat, the drill sleeve and the locking ring can facilitate the drilling of holes in the construction site by the drilling rig.

[0011] A further improvement of the technical solution of the utility model is that the fixing assembly includes a mounting seat 1, one side of the mounting seat 1 is detachably connected to the outer surface of the box body, the outer surface of the mounting seat 1 is fixedly connected to a water inlet handle, and the outer surface of the water inlet handle is provided with a valve.

[0012] A further improvement of the technical solution of the utility model is that the connecting assembly includes a connecting pipe 1, one side of the connecting pipe 1 is fixedly connected to the outer surface of the water inlet handle, the outer surface of the connecting pipe 1 is fixedly connected to a water pipe, and the other end of the water pipe extends to the interior of the drilling rig.

[0013] By adopting the above technical solution, the cooperation of the mounting seat 1, the water inlet handle, the connecting pipe 1 and the valve can conveniently inject water into the interior of the drilling rig, thereby assisting the drilling rig to prevent dust from flying out when drilling holes and at the same time playing a lubricating role.

[0014] A further improvement of the technical solution of the utility model is that the gas delivery component includes a second mounting seat, one side of the second mounting seat is fixedly connected to an air inlet handle, one side of the air inlet handle is fixedly connected to a connecting pipe second fixedly connected to the outer surface of the second mounting seat, and one side of the connecting pipe second is fixedly connected to a hose.

[0015] A further improvement of the technical solution of the utility model is that the lubrication assembly includes an oiler, one end of the oiler is fixedly connected to the outer surface of the hose, and the other side of the oiler is fixedly connected to an air inlet connecting sleeve.

[0016] By adopting the above technical solution, the cooperation of the second mounting base, the air inlet handle, the second connecting pipe, the hose, the oiler and the air inlet connecting sleeve can facilitate the inflation of air into the interior of the drilling rig, thereby facilitating the use of compressed gas to drive the drill bit to rotate, thereby increasing the functionality of the pneumatic handheld drilling rig.

[0017] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0018] 1. The utility model provides a pneumatic handheld drill rig which is convenient for replacing a drill bit. The cooperation of a housing, a reduction housing, a coupling, a connecting seat, a drill sleeve and a locking ring can facilitate the drilling of holes on a construction site by the drill rig.

[0019] 2. The utility model provides a pneumatic handheld drill that is easy to replace the drill bit. The cooperation of the mounting base, the water inlet handle, the connecting pipe and the valve can conveniently inject water into the interior of the drill, thereby assisting the drill to prevent dust from flying out when drilling holes and playing a lubricating role at the same time.

[0020] 3. The utility model provides a pneumatic handheld drill that is convenient for replacing drill bits. The cooperation of the second mounting base, the air inlet handle, the second connecting pipe, the hose, the oiler and the air inlet connecting sleeve can facilitate the inflation of air into the interior of the drill, thereby facilitating the use of compressed gas to drive the drill bit to rotate, thereby increasing the functionality of the pneumatic handheld drill. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a front structural schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the bottom structure of the drilling rig of the utility model;

[0024] Figure 4 This is a schematic diagram of the water inlet unit structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the air intake unit structure of the utility model.

[0026] In the figure: 1. Drilling rig; 11. Box; 12. Speed ​​reducer box; 13. Coupling; 14. Connecting seat; 15. Drill sleeve; 16. Locking ring; 2. Water inlet unit; 21. Mounting seat 1; 22. Water inlet handle; 23. Connecting pipe 1; 24. Valve; 3. Air inlet unit; 31. Mounting seat 2; 32. Air inlet handle; 33. Connecting pipe 2; 34. Hose; 35. Oiler; 36. Air inlet connecting ferrule. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the embodiments:

[0028] Example 1

[0029] like Figure 1-5 As shown, the utility model provides a pneumatic handheld drill rig for easy replacement of drill bits, including a drill rig 1; a water inlet unit 2 arranged on the side of the drill rig 1; and an air inlet unit 3 arranged on the side of the drill rig 1, the drill rig 1 includes a driving assembly and a mounting assembly arranged on the outer surface of the driving assembly, the water inlet unit 2 includes a fixing assembly arranged on the outer surface of the drill rig 1 and a connecting assembly arranged on the outer surface of the fixing assembly, the air inlet unit 3 includes an air delivery assembly arranged on the outer surface of the drill rig 1 and a lubrication assembly arranged on the outer surface of the air delivery assembly, the driving assembly includes a box body 11, the bottom end of the box body 11 is fixedly connected to a reduction box body 12, the bottom surface of the reduction box body 12 is fixedly connected to a coupling 13, and the bottom surface of the coupling 13 is fixedly connected to A connecting seat 14 is connected, and the installation assembly includes a drill sleeve 15. The connecting end of the drill sleeve 15 is rotatably connected to the inside of the connecting seat 14, and the outer surface of the drill sleeve 15 is detachably connected to a locking ring 16. When using a pneumatic handheld drill, the drill sleeve 15 can be driven to rotate through the cooperation of the water inlet unit 2 and the air inlet unit 3, thereby driving the drill sleeve 15 to rotate, thereby driving the drill bit inside the drill sleeve 15 to rotate, and then drilling a hole in the construction site. If the drill bit needs to be replaced, the locking ring 16 is rotated to separate the locking ring 16 from the drill sleeve 15, thereby facilitating the disassembly of the drill bit. After the replacement drill bit is installed in the drill sleeve 15, the locking ring 16 is installed on the outer surface of the drill sleeve 15 to lock and fix the drill bit.

[0030] Example 2

[0031] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the fixing component includes a mounting seat 21, one side of the mounting seat 21 is detachably connected to the outer surface of the box body 11, the outer surface of the mounting seat 21 is fixedly connected to a water inlet handle 22, and the outer surface of the water inlet handle 22 is provided with a valve 24, the connecting component includes a connecting pipe 23, one side of the connecting pipe 23 is fixedly connected to the outer surface of the water inlet handle 22, the outer surface of the connecting pipe 23 is fixedly connected to a water pipe, and the other end of the water pipe extends to the interior of the drilling rig 1. When using a pneumatic handheld drilling rig, first connect the external water pipe to the water inlet handle 22, and then cooperate with the connecting pipe 23 and the water pipe to inject water into the interior of the drilling rig 1.

[0032] Example 3

[0033] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the gas delivery component includes a mounting seat 2 31, one side of the mounting seat 2 31 is fixedly connected to an air inlet handle 32, one side of the air inlet handle 32 is fixedly connected to a connecting pipe 2 33 fixedly connected to the outer surface of the mounting seat 2 31, one side of the connecting pipe 2 33 is fixedly connected to a hose 34, the lubrication component includes an oiler 35, one end of the oiler 35 is fixedly connected to the outer surface of the hose 34, and the other side of the oiler 35 is fixedly connected to an air inlet connecting sleeve 36. When using a pneumatic handheld drill for drilling, the compressed gas is injected into the air inlet handle 32 by connecting an external air source to the air inlet connecting sleeve 36, and then the connecting pipe 2 33 and the hose 34 are matched to rotate the drill bit inside the driving drill 1.

[0034] The following is a detailed description of the working principle of the pneumatic handheld drill that is easy to replace the drill bit.

[0035] like Figure 1-5 As shown, when using a pneumatic handheld drill, an external water pipe is connected to the water inlet handle 22, and then the connecting pipe 1 23 and the water pipe are used to inject water into the interior of the drill 1. When using the pneumatic handheld drill for drilling, an external air source is connected to the air inlet connecting sleeve 36, and then the connecting pipe 2 33 and the hose 34 are used to inject compressed gas into the air inlet handle 32, thereby driving the drill bit inside the drill 1 to rotate, thereby driving the drill sleeve 15 to rotate, thereby driving the drill bit inside the drill sleeve 15 to rotate, and then drilling a hole in the construction site. If the drill bit needs to be replaced, the locking ring 16 is rotated to separate the locking ring 16 from the drill sleeve 15, thereby facilitating the disassembly of the drill bit. After the replacement drill bit is installed inside the drill sleeve 15, the locking ring 16 is installed on the outer surface of the drill sleeve 15 to lock and fix the drill bit.

[0036] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A pneumatic handheld drill that is convenient for replacing a drill bit, comprising a drill (1); A water inlet unit (2) arranged on the side of the drilling rig (1); and an air intake unit (3) arranged on the side of the drilling rig (1), characterized in that: The drilling rig (1) comprises a driving component and a mounting component arranged on the outer surface of the driving component, the water inlet unit (2) comprises a fixing component arranged on the outer surface of the drilling rig (1) and a connecting component arranged on the outer surface of the fixing component, and the air inlet unit (3) comprises an air delivery component arranged on the outer surface of the drilling rig (1) and a lubrication component arranged on the outer surface of the air delivery component.

2. The pneumatic handheld drill for easy drill bit replacement according to claim 1, characterized in that: The driving assembly comprises a housing (11), the bottom end of the housing (11) is fixedly connected to a reduction housing (12), the bottom surface of the reduction housing (12) is fixedly connected to a coupling (13), and the bottom surface of the coupling (13) is fixedly connected to a connecting seat (14).

3. The pneumatic handheld drill for easy drill bit replacement according to claim 2, characterized in that: The mounting assembly comprises a drill sleeve (15), the connection end of the drill sleeve (15) is rotatably connected to the inside of the connection seat (14), and the outer surface of the drill sleeve (15) is detachably connected to a locking ring (16).

4. The pneumatic handheld drill for easy drill bit replacement according to claim 1, characterized in that: The fixing assembly comprises a mounting seat (21), one side of which is detachably connected to the outer surface of the box body (11), a water inlet handle (22) being fixedly connected to the outer surface of the mounting seat (21), and a valve (24) being provided on the outer surface of the water inlet handle (22).

5. The pneumatic handheld drill for easy drill bit replacement according to claim 4, characterized in that: The connection assembly comprises a connection pipe (23), one side of which is fixedly connected to the outer surface of the water inlet handle (22), and the outer surface of the connection pipe (23) is fixedly connected to a water pipe, the other end of which extends to the interior of the drilling rig (1).

6. The pneumatic handheld drill for easy drill bit replacement according to claim 1, characterized in that: The gas delivery assembly comprises a second mounting seat (31), one side of the second mounting seat (31) is fixedly connected to an air intake handle (32), one side of the air intake handle (32) is fixedly connected to a second connecting pipe (33) fixedly connected to the outer surface of the second mounting seat (31), and one side of the second connecting pipe (33) is fixedly connected to a rubber hose (34).

7. The pneumatic handheld drill for easy drill bit replacement according to claim 6, characterized in that: The lubrication assembly comprises an oiler (35), one end of the oiler (35) is fixedly connected to the outer surface of the hose (34), and the other side of the oiler (35) is fixedly connected to an air intake connection sleeve (36).

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