Hand drill gear box convenient to disassemble and clean

Abstract

The utility model discloses a kind of pistol drill gear box convenient to disassemble and clean, it is related to electric drill technical field, aiming at the problem that the cleaning of gear box is more time-consuming and laborious due to the complicated dismounting and installation process of pistol drill gear box, including machine body, gear box body installed in one side of machine body and drill chuck installed in one side of gear box body, gear box body outer surface is provided with multiple quick dismounting and mounting mechanism in circumferential distribution;The utility model moves by rotating moving ring push rod, so that push rod extrusion block extrudes inclined block, and then makes inclined block drive U-shaped block together with plug-in block to move downward, plug-in block enters installation cavity and separates from plug-in slot, releases the locking of plug-in column, so that plug-in column can be pulled out from hollow column, so that machine body and gear box body are separated, realize the dismounting of gear box body, facilitate the cleaning of gear box body.

Description

Technical Field

[0001] This utility model relates to the field of electric drill technology, specifically a pistol drill gearbox that is easy to disassemble and clean. Background Technology

[0002] As a common power tool, the hand drill is widely used in various drilling, screwing and other work scenarios. The gearbox is one of the core components of the hand drill. Its main function is to convert the high-speed rotational motion output by the motor into appropriate torque and speed to meet the needs of different working conditions.

[0003] During long-term use, the meshing of gears in existing pistol drill gearboxes generates a large amount of metal shavings and lubricating oil sludge. These impurities gradually accumulate inside the gearbox, which not only affects the normal operation of the gears, increases wear, and reduces transmission efficiency, but may also cause problems such as overheating and increased noise in the gearbox, thus shortening the service life of the pistol drill. However, the disassembly process of most pistol drill gearboxes is quite complicated, requiring the use of various professional tools, and the disassembly steps are cumbersome, increasing the difficulty of cleaning and maintenance.

[0004] Therefore, there is a need for a pistol drill gearbox that is easy to disassemble and clean, in order to solve the problem that the disassembly and installation process of the pistol drill gearbox in the existing technology is cumbersome, making the cleaning of the gearbox time-consuming and laborious. Utility Model Content

[0005] The purpose of this invention is to provide a pistol drill gearbox that is easy to disassemble and clean, in order to solve the problem that the disassembly and installation process of the pistol drill gearbox in the prior art is cumbersome, making the cleaning of the gearbox time-consuming and laborious.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a pistol drill gearbox that is easy to disassemble and clean, comprising a body, a gearbox body mounted on one side of the body, and a drill chuck mounted on one side of the gearbox body. The outer surface of the gearbox body is provided with a plurality of quick disassembly and assembly mechanisms arranged in a circular pattern. Each set of quick-release mechanisms includes a fixed post mounted on the outer surface of the gearbox body, a plug-in post coaxially mounted on one side of the fixed post, an installation cavity opened inside the plug-in post, multiple evenly distributed springs mounted on the bottom surface inside the installation cavity, a single plug-in block mounted on the top of the multiple springs and slidingly extending out of the outer surface of the plug-in post, a clearance groove opened at the center of the bottom surface of the plug-in block, a U-shaped block mounted on the bottom surface of the plug-in block, an inclined block mounted on the top surface of the transverse section of the U-shaped block and extending into the clearance groove, a limiting groove opened on one side of the installation cavity, a pressing block disposed inside the limiting groove and cooperating with the inclined block, an operating rod mounted at the center of one side of the pressing block and slidingly penetrating one side of the plug-in post, and a limiting plate mounted on one side of the operating rod.

[0007] It should be noted in the solution that the outer surface of the machine body is equipped with a plurality of hollow columns that correspond one-to-one with and are adapted to the plurality of plug-in posts, and the outer surface of the hollow columns is provided with plug-in slots that are adapted to the corresponding plug-in blocks.

[0008] It is worth noting that the outer surface of the machine body is provided with external threads, and a movable ring is movably installed on the outer surface of the machine body through the external threads.

[0009] Furthermore, it should be noted that a spring is installed between each of the limiting plates and the corresponding insertion post, and a ball bearing is embedded on one side of each of the limiting plates.

[0010] In a preferred embodiment, each of the plug-in pins is inserted into a corresponding hollow pin, and each of the plug-in blocks is inserted into a corresponding plug-in slot.

[0011] In a preferred embodiment, the plug-in block slides into the corresponding mounting cavity, and one side of the moving ring contacts the outer surface of a plurality of balls.

[0012] Compared with the prior art, the beneficial effects of this utility model are: By rotating the moving ring, the operating lever is moved, causing the operating lever to push the extrusion block to extrude the inclined block. This causes the inclined block to move the U-shaped block and the insertion block downwards. The insertion block enters the installation cavity and separates from the insertion slot, releasing the locking of the insertion post. This allows the insertion post to be pulled out of the hollow post, separating the machine body from the gearbox body and enabling disassembly of the gearbox body for easy cleaning. Similarly, the above operations are performed in reverse. With the cooperation of the insertion post and the hollow post, and the insertion block and the insertion slot, the machine body and the gearbox body can be quickly installed without the need for complicated operations using tools. This effectively avoids the problem of the cumbersome disassembly and installation process of gearboxes using a pistol drill, which makes cleaning the gearbox time-consuming and laborious. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a front view structural diagram of the gearbox body of this utility model; Figure 3 This is a front view cross-sectional structural diagram of one of the plug-in pins of this utility model; Figure 4 This is a front view cross-sectional structural diagram of one of the plug-in blocks and the U-shaped block of this utility model; Figure 5 This is a side view of one of the hollow column structures of this utility model.

[0014] The following are the labeling elements in the diagram: 1. Machine body; 2. Gearbox body; 3. Drill chuck; 4. Quick disassembly / assembly mechanism; 41. Fixed column; 42. Insertion column; 43. Mounting cavity; 44. Spring 1; 45. Insertion block; 46. Clearance groove; 47. U-shaped block; 48. Inclined block; 49. Limiting groove; 410. Extrusion block; 411. Operating lever; 412. Limiting plate; 5. Hollow column; 6. Insertion groove; 7. External thread; 8. Moving ring; 9. Spring 2; 10. Ball bearing. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example: Figures 1-5 As shown, this utility model provides a technical solution, including a body 1, a gearbox body 2 installed on one side of the body 1, and a drill chuck 3 installed on one side of the gearbox body 2. The outer surface of the gearbox body 2 is provided with a plurality of quick disassembly and assembly mechanisms 4 arranged in a circular pattern. Each quick-release mechanism 4 includes a fixed post 41 mounted on the outer surface of the gearbox body 2, a plug-in post 42 coaxially mounted on one side of the fixed post 41, a mounting cavity 43 opened inside the plug-in post 42, multiple springs 44 evenly distributed inside the bottom surface of the mounting cavity 43, the same plug-in block 45 mounted on the top of the multiple springs 44 and slidingly extending out of the outer surface of the plug-in post 42, a clearance groove 46 opened at the center of the bottom surface of the plug-in block 45, a U-shaped block 47 mounted on the bottom surface of the plug-in block 45, an inclined block 48 mounted on the top surface of the transverse section of the U-shaped block 47 and extending into the clearance groove 46, a limiting groove 49 opened on one side of the mounting cavity 43, a pressing block 410 set inside the limiting groove 49 and cooperating with the inclined block 48, an operating rod 411 mounted at the center of one side of the pressing block 410 and slidingly passing through one side of the plug-in post 42, and a limiting plate 412 mounted on one side of the operating rod 411.

[0017] Specifically, when the operating lever 411 pushes the pressing block 410 to move laterally, the pressing block 410 presses the inclined block 48. After the inclined block 48 is subjected to force, it drives the U-shaped block 47 and the plug-in block 45 to move downward, while pressing the spring 44. Finally, the plug-in block 45 enters the mounting cavity 43, so as to facilitate the separation of the machine body 1 from the gearbox body 2 and realize the disassembly of the gearbox body 2.

[0018] Further as Figure 1 and Figure 5As shown, it is worth noting that the outer surface of the body 1 is equipped with a number of hollow posts 5 that correspond one-to-one with and are adapted to the multiple plug-in posts 42. The outer surface of the hollow posts 5 is provided with plug-in slots 6 that are adapted to the corresponding plug-in blocks 45.

[0019] Specifically, when multiple plug-in blocks 45 slide into the corresponding mounting cavity 43, the plug-in blocks 45 are completely separated from the plug-in slots 6, releasing the lock on the plug-in post 42. After separating the plug-in post 42 from the corresponding hollow post 5, the gearbox body 2 can be disassembled.

[0020] Further as Figure 1 As shown, it is worth noting that the outer surface of the machine body 1 is provided with an external thread 7, and a movable ring 8 is movably installed on the outer surface of the machine body 1 through the external thread 7.

[0021] Specifically, under the action of the external thread 7, the rotating moving ring 8 is rotated to move laterally. The moving ring 8 pushes multiple operating rods 411 so that the operating rods 411 drive the pressing block 410 to move laterally and press the inclined block 48, thereby realizing the above-mentioned disassembly operation of the gearbox body 2.

[0022] Further as Figure 3 As shown, it is worth noting that each limiting plate 412 is equipped with a spring 9 between it and the corresponding plug post 42, and each limiting plate 412 is embedded with a ball bearing 10 on one side.

[0023] Specifically, the spring 9 makes the operating lever 411 resettable, and the ball bearing 10 reduces the friction between the moving ring 8 and the limiting plate 412, improving the smoothness of the moving ring 8 when rotating.

[0024] Further as Figure 1 As shown, it is worth noting that each plug post 42 is inserted into the corresponding hollow post 5, and each plug block 45 is inserted into the corresponding plug slot 6.

[0025] Specifically, each plug post 42 is inserted into the corresponding hollow post 5. With the plug post 42 and the hollow post 5 in a plugging fit, the machine body 1 is connected to the gearbox body 2. Each plug block 45 is inserted into the corresponding plug slot 6. With the plug block 45 and the plug slot 6 in a plugging fit, the plug post 42 is locked, thus realizing the installation of the machine body 1 and the gearbox body 2.

[0026] Further as Figure 1 and Figure 3 As shown, it is worth noting that the plug-in block 45 slides into the corresponding mounting cavity 43, and one side of the moving ring 8 contacts the outer surface of multiple balls 10.

[0027] Specifically, the plug-in block 45 slides into the corresponding mounting cavity 43 to improve the stability of the plug-in block 45 during movement. One side of the moving ring 8 contacts the outer surface of multiple balls 10 to reduce friction between the moving ring 8 and the limiting plate 412.

[0028] In summary: When the gearbox on the pistol drill needs to be disassembled, rotating the moving ring 8 causes it to move laterally under the action of the external thread 7. During this movement, the ball bearings 10 cause the moving ring 8 to press against multiple limiting plates 412. The limiting plates 412, under pressure, push the pressing block 410 through the operating rod 411. The pressing block 410 enters between the U-shaped block 47 and the clearance groove 46, pressing against the inclined block 48. As the pressing block 410 gradually moves, the inclined block 48 gradually gains force, causing the U-shaped block 47 and the insertion block 45 to move downwards. Finally, the insertion block 45 enters the mounting cavity 43 and separates from the insertion groove 6, allowing multiple insertion blocks to... Block 45 simultaneously separates from the corresponding insertion slot 6, thereby releasing the lock on the corresponding insertion post 42. Pulling the gearbox body 2 causes multiple fixed posts 41, along with the insertion post 42, to separate from the hollow post 5, thus separating the machine body 1 from the gearbox body 2 and enabling the disassembly of the gearbox body 2 for easy cleaning. Similarly, after performing the above operations in reverse, the insertion post 42 is inserted into the hollow post 5 and the insertion block 45 is inserted into the insertion slot 6, thus enabling the installation of the gearbox body 2. The operation is simple and does not require complicated operations with tools, effectively avoiding the problem that the disassembly and installation process of the gearbox using a pistol drill is cumbersome and makes cleaning the gearbox time-consuming and laborious.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A pistol drill gearbox that is easy to disassemble and clean, comprising a body (1), a gearbox body (2) mounted on one side of the body (1), and a drill chuck (3) mounted on one side of the gearbox body (2), characterized in that: The outer surface of the gearbox body (2) is provided with multiple quick disassembly and assembly mechanisms (4) arranged in a circular pattern. Each quick-release mechanism (4) includes a fixed post (41) mounted on the outer surface of the gearbox body (2), a plug-in post (42) coaxially mounted on one side of the fixed post (41), a mounting cavity (43) opened inside the plug-in post (42), a plurality of evenly distributed springs (44) mounted on the bottom surface inside the mounting cavity (43), the same plug-in block (45) mounted on the top of the plurality of springs (44) and slidingly extending out of the outer surface of the plug-in post (42), and a clearance groove (46) opened at the center of the bottom surface of the plug-in block (45). ), a U-shaped block (47) installed on the bottom surface of the plug-in block (45), an inclined block (48) installed on the top surface of the transverse section of the U-shaped block (47) and extending into the clearance groove (46), a limiting groove (49) opened on one side of the mounting cavity (43), an extrusion block (410) set inside the limiting groove (49) and cooperating with the inclined block (48), an operating rod (411) installed at the center of one side of the extrusion block (410) and sliding through one side of the plug-in post (42), and a limiting plate (412) installed on one side of the operating rod (411).

2. The pistol drill gearbox that is easy to disassemble and clean according to claim 1, characterized in that: The outer surface of the body (1) is equipped with a plurality of hollow columns (5) that correspond one-to-one with and are adapted to a plurality of plug-in posts (42). The outer surface of the hollow column (5) is provided with a plug-in groove (6) that is adapted to the corresponding plug-in block (45).

3. The pistol drill gearbox that is easy to disassemble and clean according to claim 2, characterized in that: The outer surface of the body (1) is provided with an external thread (7), and a movable ring (8) is movably installed on the outer surface of the body (1) through the external thread (7).

4. The pistol drill gearbox that is easy to disassemble and clean according to claim 3, characterized in that: A spring 2 (9) is installed between each of the limiting plates (412) and the corresponding plug post (42), and a ball bearing (10) is embedded on one side of each of the limiting plates (412).

5. A pistol drill gearbox that is easy to disassemble and clean according to claim 4, characterized in that: Each of the plug pins (42) is inserted into the corresponding hollow pin (5), and each of the plug blocks (45) is inserted into the corresponding plug slot (6).

6. The pistol drill gearbox that is easy to disassemble and clean according to claim 5, characterized in that: The plug block (45) slides into the corresponding mounting cavity (43), and one side of the moving ring (8) contacts the outer surface of a plurality of balls (10).

Images