Drilling reamer convenient to disassemble and assemble

Abstract

The utility model discloses a drilling reamer convenient to disassemble and assemble, which comprises a drilling reamer body, and the top of the drilling reamer body extends into a connecting block; a clamping block is fixed to the top of the connecting block, the outer end of the clamping block extends into the clamping groove to form clamping, an ejector rod slides in the connecting block, the inner end of the ejector rod extends into the clamping block to form clamping, the top of the ejector rod is meshed with a gear, and the gear rotates in the connecting block. The top of the gear is engaged with a rack, and the rack slides in the connecting block. The outer end of the ejector rod is connected with a first spring, and the outer end of the first spring is connected to the interior of the connecting block. According to the drilling reamer convenient to disassemble and assemble, the ejector rod is installed, the gear can be driven to rotate through movement of the rack, then the gear rotates to drive the ejector rod to move, the ejector rod moves to break away from connection with the clamping block, and then the drilling reamer body is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of drill reamer, in particular to a drill reamer which is easy to disassemble and assemble. Background Art

[0002] Drill reamer is a rotary tool used to remove a thin layer of metal from the surface of a processed hole. It can be used for reaming lightweight materials, such as aluminum alloys, copper alloys, plastics, etc. It is suitable for precision reaming of medium-precision workpieces. The use of drill reamer is intended to improve the accuracy of pre-drilled holes and form a smooth surface finish;

[0003] Reference publication number CN215587953U discloses an automatic feed drill reamer, which fixes the shank to the drill reamer device by clamping and rotating the easy-rotating component with a wrench or other tool, thereby installing the drill reamer on the drill reamer device; the operator can also remove the drill reamer from the drill reamer device by clamping and rotating the easy-rotating component in the opposite direction to that during installation with a wrench or other tool. However, the following problems still exist:

[0004] In actual use of the above device, although the drill reamer can be disassembled and assembled, it is necessary to use tools such as wrenches to rotate the easy-to-turn component through the wrench, and the easy-to-turn component is connected to the device through threads, which makes it inconvenient to disassemble and assemble.

[0005] Therefore we have proposed a drill reamer that is easy to disassemble and assemble and can solve the above problems well. Utility Model Content

[0006] The purpose of the utility model is to provide a drill reamer that is easy to disassemble and assemble, so as to solve the problem raised by the above-mentioned background technology that tools such as wrenches are needed for disassembly and assembly in the current market, so that the easy-to-rotate component is rotated by the wrench, and the easy-to-rotate component is connected to the equipment through a thread, which leads to inconvenience during disassembly and assembly.

[0007] To achieve the above object, the utility model provides the following technical solution: a drill reamer that is easy to disassemble and assemble, comprising a drill reamer body, the top of which extends into the interior of a connecting block;

[0008] Also includes:

[0009] A card block is fixed on the top of the connecting block, and the outer end of the card block extends into the interior of the card slot to form a card engagement, and a push rod slides inside the connecting block, the inner end of the push rod extends into the interior of the card block to form a card engagement, and a gear is meshed on the top of the push rod, and the gear rotates inside the connecting block, and a rack is meshed on the top of the gear, and the rack slides inside the connecting block.

[0010] Preferably, the outer end of the push rod is connected to a first spring, and the outer end of the first spring is connected to the inside of the connecting block.

[0011] Preferably, a rotating wheel is rotatably disposed at the outer end of the rack, and the rotating wheel slides inside the connecting block, and a sliding block is fixed on the top of the rotating wheel.

[0012] Preferably, the outer end of the sliding block extends into the interior of the limiting groove to form a locking mechanism, and the limiting groove is provided inside the connecting block.

[0013] Preferably, a protrusion is slidably provided inside the sliding block, and the top of the protrusion is arranged in a semicircular shape.

[0014] Preferably, the top of the protrusion extends into the interior of the groove to form a locking mechanism, and the groove is opened inside the connecting block.

[0015] Preferably, a second spring is connected to the bottom of the protrusion, and the bottom of the second spring is connected to the inside of the sliding block.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the drill reamer that is easy to disassemble and assemble can be conveniently disassembled and assembled and has good stability. The movement of the push rod can facilitate the disassembly and assembly of the drill reamer body, and the rack can be fixed by the rotation of the slider, thereby improving stability. The specific contents are as follows:

[0017] (1) A push rod is provided, and the movement of the rack can drive the gear to rotate, and then the rotation of the gear drives the push rod to move, so that the movement of the push rod will be separated from the connection with the clamping block, and then it is convenient to disassemble and assemble the drill reamer body;

[0018] (2) A slider is provided, which engages with the limit groove through rotation, thereby preventing the rack from shaking, thereby improving the stability of the push rod connection;

[0019] (3) A first spring is provided, and the first spring is connected to the outer end of the push rod, and the outer end of the first spring is connected to the inside of the connecting block, so that the first spring can limit the push rod, thereby improving the stability of the push rod;

[0020] (4) A protrusion is provided, the protrusion slides inside the slider, and the top of the protrusion is arranged in a semicircular shape, so that the protrusion can move after being squeezed;

[0021] (5) A protrusion is provided, and a locking mechanism is formed by extending the top of the protrusion into the interior of the groove, and the groove is opened inside the connecting block, so that the locking stability between the slider and the limiting groove is improved after the protrusion is locked with the groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 3 This is a schematic diagram of the front section structure of the slider of the utility model;

[0025] Figure 4 This is a schematic diagram of the side section structure of the slider of the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the utility model after the slider rotates;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the top rod of the utility model;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the rotating wheel of the utility model.

[0029] In the figure: 1. drill reamer body; 2. connecting block; 3. clamping block; 4. clamping groove; 5. push rod; 6. first spring; 7. gear; 8. rack; 9. rotating wheel; 10. slider; 11. limiting groove; 12. protrusion; 13. groove; 14. second spring. DETAILED DESCRIPTION

[0030] 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.

[0031] Embodiment 1:

[0032] The utility model solves the problem that the existing tools such as wrenches are needed for disassembly and assembly, so that the easy-rotating component is rotated by the wrench, and the easy-rotating component is connected to the equipment through threads, which leads to the problem that the disassembly and assembly are not convenient enough. The movement of the push rod 5 can facilitate the replacement of the drill reamer body 1, and discloses:

[0033] A drill reamer body 1, the top of which extends into the interior of a connecting block 2; further comprising: a clamping block 3 is fixed to the top of the connecting block 2, and the outer end of the clamping block 3 extends into the interior of a clamping slot 4 to form a clamping engagement, and a push rod 5 slides inside the connecting block 2, the inner end of the push rod 5 extends into the interior of the clamping block 3 to form a clamping engagement, and a gear 7 is meshed with the top of the push rod 5, and the gear 7 rotates inside the connecting block 2, a rack 8 is meshed with the top of the gear 7, and the rack 8 slides inside the connecting block 2, and a first spring 6 is connected to the outer end of the push rod 5, and the outer end of the first spring 6 is connected to the interior of the connecting block 2;

[0034] refer to Figure 1 , Figure 2 and Figure 6 , by pressing the rotating wheel 9, the rotating wheel 9 moves to drive the rack 8 to move, and then the rack 8 moves to drive the gear 7 to rotate, so that the gear 7 rotates to drive the push rod 5 to move, and then the push rod 5 can extend out of the inside of the block 3, so that the connection block 2 and the drill reamer body 1 are disconnected from each other, and the movement of the push rod 5 will squeeze the first spring 6, so that the first spring 6 is compressed, and the force of the first spring 6 can push the push rod 5 to move, and then the push rod 5 moves to extend into the inside of the block 3, and then the drill reamer body 1 can be engaged with the inside of the connection block 2, so as to achieve the purpose of quick and convenient disassembly and assembly;

[0035] Embodiment 2:

[0036] The utility model solves the problem that the rack 8 in the first embodiment is not stable enough in the connecting block 2, which leads to the unstable connection of the drill reamer body 1. The stability of the rack 8 can be improved by engaging the slider 10 with the limiting groove 11, thereby improving the stability of the drill reamer body 1. The utility model discloses:

[0037] A rotating wheel 9 is rotatably mounted on the outer end of the rack 8, and the rotating wheel 9 slides inside the connecting block 2, and a slider 10 is fixed on the top of the rotating wheel 9, and the outer end of the slider 10 extends into the interior of the limiting groove 11 to form a locking mechanism, and the limiting groove 11 is provided inside the connecting block 2;

[0038] refer to Figure 1 , Figures 3 to 5 and Figure 7 , rotating the rotating wheel 9, so that the rotating wheel 9 rotates to drive the slider 10 to rotate, and then the slider 10 rotates to slide inside the limiting groove 11, and after the rotating wheel 9 rotates to the position, the slider 10 can be engaged with the limiting groove 11, so that the rotating wheel 9 can fix the rack 8, and then the push rod 5 can be stably fixed inside the clamping block 3, so that the drill reamer body 1 can be stably fixed;

[0039] Embodiment three:

[0040] The utility model solves the problem that the engagement between the slider 10 and the limiting groove 11 in the second embodiment is not stable enough. The engagement between the protrusion 12 and the groove 13 can improve the stability of the engagement between the slider 10 and the limiting groove 11. The utility model discloses:

[0041] A protrusion 12 is slidably disposed inside the slider 10, and the top of the protrusion 12 is arranged in a semicircular shape. The top of the protrusion 12 extends into the inside of the groove 13 to form a snap-fit ​​mechanism, and the groove 13 is provided inside the connecting block 2. The bottom of the protrusion 12 is connected to a second spring 14, and the bottom of the second spring 14 is connected to the inside of the slider 10.

[0042] refer to Figure 1 , Figures 3 to 5 and Figure 7 The rotation of the slider 10 will drive the protrusion 12 to rotate, and then the rotation of the protrusion 12 will be squeezed with the groove 13, and then the protrusion 12 will be squeezed to move toward the inside of the slider 10, and the movement of the protrusion 12 will squeeze the second spring 14, and then the second spring 14 can be compressed and stressed, and the movement of the protrusion 12 will be disengaged from the engagement with the groove 13, so that the slider 10 can slide inside the limiting groove 11, and the force of the second spring 14 can push the protrusion 12 to move, and then the protrusion 12 can move to extend into the inside of the groove 13 to form an engagement, so that the slider 10 can form a stable engagement with the limiting groove 11.

[0043] Working principle: When using this easy-to-disassemble drill reamer, first refer to Figure 1 , Figure 2 and Figure 6 By pressing the rotating wheel 9, the rotating wheel 9 moves to drive the rack 8 to move, and then the push rod 5 can extend out of the inside of the clamping block 3, and the movement of the push rod 5 will squeeze the first spring 6, so that the first spring 6 is compressed, and the force of the first spring 6 can push the push rod 5 to move, and then the drill reamer body 1 can be engaged in the inside of the connecting block 2, so as to achieve the purpose of quick and convenient disassembly and assembly;

[0044] refer to Figure 1 , Figures 3 to 5 and Figure 7 , rotating the rotating wheel 9, so that the rotating wheel 9 rotates and drives the slider 10 to rotate, and after the rotating wheel 9 rotates to the position, the slider 10 can be engaged with the limiting groove 11, and then the push rod 5 can be stably fixed inside the clamping block 3, so that the drill reamer body 1 can be stably fixed;

[0045] refer to Figure 1 , Figures 3 to 5 and Figure 7The rotation of the slider 10 will drive the protrusion 12 to rotate, and then the rotation of the protrusion 12 will be squeezed with the groove 13, and the movement of the protrusion 12 will squeeze the second spring 14, and then the second spring 14 can be compressed and stressed, and the force of the second spring 14 can push the protrusion 12 to move, so that the slider 10 can form a stable engagement with the limiting groove 11.

[0046] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A drill reamer that is easy to assemble and disassemble, comprising a drill reamer body (1), wherein the top of the drill reamer body (1) extends into the interior of a connecting block (2); It is characterized in that Also includes: A clamping block (3) is fixed on the top of the connecting block (2), and the outer end of the clamping block (3) extends into the interior of the clamping groove (4) to form a clamping engagement, and a push rod (5) slides inside the connecting block (2), and the inner end of the push rod (5) extends into the interior of the clamping block (3) to form a clamping engagement, and a gear (7) is meshed at the top of the push rod (5), and the gear (7) rotates inside the connecting block (2), and a rack (8) is meshed at the top of the gear (7), and the rack (8) slides inside the connecting block (2).

2. A drill reamer that is easy to disassemble and assemble according to claim 1, Features: The outer end of the push rod (5) is connected to a first spring (6), and the outer end of the first spring (6) is connected to the inside of the connecting block (2).

3. A drill reamer that is easy to disassemble and assemble according to claim 1, Features: A rotating wheel (9) is rotatably disposed at the outer end of the rack (8), and the rotating wheel (9) slides inside the connecting block (2), and a sliding block (10) is fixed on the top of the rotating wheel (9).

4. A drill reamer that is easy to disassemble and assemble according to claim 3, Features: The outer end of the sliding block (10) extends into the interior of the limiting groove (11) to form a locking mechanism, and the limiting groove (11) is provided inside the connecting block (2).

5. A drill reamer that is easy to disassemble and assemble according to claim 4, Features: A convex block (12) is slidably disposed inside the sliding block (10), and the top of the convex block (12) is arranged in a semicircular shape.

6. A drill reamer that is easy to assemble and disassemble according to claim 5, Features: The top of the protrusion (12) extends into the interior of the groove (13) to form a locking mechanism, and the groove (13) is opened inside the connecting block (2).

7. A drill reamer that is easy to assemble and disassemble according to claim 6, Features: The bottom of the protrusion (12) is connected to a second spring (14), and the bottom of the second spring (14) is connected to the inside of the sliding block (10).

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