CN219054706U

CN219054706U - Coaxial double-hole woodworking drill bit

Info

Publication number: CN219054706U
Application number: CN202223554120.5U
Authority: CN
Inventors: 朱伟伦
Original assignee: Jiangsu Tomsheng Precision Tools Co ltd
Current assignee: Jiangsu Tomsheng Precision Tools Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-23
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a coaxial double-hole woodworking drill bit, which comprises: a first drill bit; the disassembly assembly is fixedly connected to the top of the first drill bit at the bottom and comprises an installation shaft, the bottom of the installation shaft is fixedly connected to the top of the first drill bit, a thread groove is formed in the peripheral side face of the installation shaft, a sliding groove is formed in the peripheral side face of the installation shaft, and a limiting ring is fixedly connected to the peripheral side face of the installation shaft. The coaxial double-hole woodworking drill bit provided by the utility model has the advantages that the fixed sleeve is driven to move upwards through the movement of the rotating ring, the limit of the connecting sleeve is eliminated, then the connecting sleeve is moved upwards, the movement of the connecting sleeve drives the second drill bit to move upwards, so that the second drill bit is detached, the operation is simple and convenient, a specific tool is not required when the second drill bit is detached, and the quick replacement of workers according to the use requirement is very convenient.

Description

Coaxial double-hole woodworking drill bit

Technical Field

The utility model relates to the field of woodworking drills, in particular to a coaxial double-hole woodworking drill.

Background

The woodworking drill bit is a rod-shaped or spiral cutter with a cutting edge at the end part and is used for processing a through hole or a blind hole. The woodworking drill bit is different from the woodworking end mill in that the side surface is free of cutting edges, the woodworking drill bit is provided with a main cutting edge, and the outer edge is provided with a sharp countersink cutting edge for cutting off wood fibers, so that the side surface of a hole is smoother.

The woodworking drill bit has large cutting amount, is generally made of common carbon steel, and is simple to manufacture, such as forging, stamping, grinding and the like. The drill bit is an important part of an electric drill for woodworking, and holes with different shapes can be drilled by replacing different drill bits.

In the related art, the woodworker needs to use double-hole drill bit in the in-process of installing door and window lock body and handle, however, current partial double-hole drill bit is inconvenient in the in-process of using according to user demand quick replacement top drill bit, and conventional connected mode is connected through hexagon socket head cap screw, needs specific instrument when dismantling, and then leads to higher to the requirement of dismantling, and the inconvenience very when workman dismantles.

Therefore, it is necessary to provide a coaxial double-hole woodworking drill bit to solve the above technical problems.

Disclosure of Invention

The utility model provides a coaxial double-hole woodworking drill bit, which solves the problem that in the related art, the existing part of double-hole drill bit is inconvenient to quickly replace a top drill bit according to the use requirement.

In order to solve the technical problems, the utility model provides a coaxial double-hole woodworking drill bit, which comprises: a first drill bit;

the disassembly assembly is fixedly connected to the top of the first drill bit at the bottom and comprises an installation shaft, the bottom of the installation shaft is fixedly connected to the top of the first drill bit, a thread groove is formed in the peripheral side face of the installation shaft, a sliding groove is formed in the peripheral side face of the installation shaft, and a limiting ring is fixedly connected to the peripheral side face of the installation shaft.

Preferably, the periphery of the mounting shaft is slidably connected with a connecting sleeve at the top of the limiting ring, a connecting hole is formed in the inner side of the connecting sleeve, and two protruding blocks are fixedly connected to the inner side of the connecting sleeve.

Preferably, the circumference of the two protruding blocks is slidably connected with the circumference of the installation shaft, the circumference of the installation shaft is in threaded connection with a fixed sleeve at the top of the connecting sleeve, and the circumference of the fixed sleeve is fixedly connected with a rotating ring.

Preferably, the bottom of the connecting sleeve is fixedly connected with a second drill bit, and the bottom of the second drill bit is fixedly connected with a first drilling head.

Preferably, the two sides of the bottom of the first drill bit are fixedly connected with second drilling heads.

Compared with the related art, the coaxial double-hole woodworking drill bit provided by the utility model has the following beneficial effects:

the coaxial double-hole woodworking drill bit provided by the utility model has the advantages that the fixed sleeve is driven to move upwards through the movement of the rotating ring, the limit of the connecting sleeve is eliminated, then the connecting sleeve is moved upwards, the movement of the connecting sleeve drives the second drill bit to move upwards, so that the second drill bit is detached, the operation is simple and convenient, a specific tool is not required when the second drill bit is detached, and the quick replacement of workers according to the use requirement is very convenient.

Drawings

FIG. 1 is a schematic view of a coaxial double-hole woodworking drill according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the mounting shaft of FIG. 1;

fig. 3 is a schematic structural view of the connecting sleeve shown in fig. 1.

Reference numerals in the drawings: 1. a first drill bit; 2. disassembling the assembly; 21. a mounting shaft; 22. a thread groove; 23. a chute; 24. a limiting ring; 25. connecting sleeves; 26. a connection hole; 27. a bump; 28. a fixed sleeve; 29. a rotating ring; 3. a second drill bit; 4. a first drilling head; 5. and a second drilling head.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a coaxial double-hole woodworking drill according to the present utility model; FIG. 2 is a schematic view of the mounting shaft of FIG. 1; fig. 3 is a schematic structural view of the connection sleeve shown in fig. 1, a coaxial double-hole woodworking drill bit, comprising: a first drill bit 1;

dismantle subassembly 2, dismantle the bottom fixed connection of subassembly 2 in the top of first drill bit 1, dismantle subassembly 2 including installation axle 21, the bottom fixed connection of installation axle 21 is in the top of first drill bit 1, the week side of installation axle 21 is provided with screw groove 22, spout 23 has been seted up to the week side of installation axle 21, the week side fixedly connected with spacing ring 24 of installation axle 21, spout 23 uses with two lug 27 cooperation, can provide two lug 27 and slide from top to bottom.

The periphery of the mounting shaft 21 is slidably connected with a connecting sleeve 25 positioned at the top of the limiting ring 24, a connecting hole 26 is formed in the inner side of the connecting sleeve 25, and two protruding blocks 27 are fixedly connected to the inner side of the connecting sleeve 25.

The circumference of two lugs 27 and the circumference sliding connection of installation axle 21, the circumference of installation axle 21 just is located the top threaded connection of adapter sleeve 25 and has fixed sleeve 28, and the circumference fixedly connected with rotation ring 29 of fixed sleeve 28, screw thread groove 22 and fixed sleeve 28 cooperation use can provide fixed sleeve 28 and rotate from top to bottom.

The bottom of the connecting sleeve 25 is fixedly connected with a second drill bit 3, and the bottom of the second drill bit 3 is fixedly connected with a first drilling head 4.

The two sides of the bottom of the first drill bit 1 are fixedly connected with second drilling heads 5, and the first drilling heads 4 and the second drilling heads 5 are tungsten steel blades.

The working principle of the coaxial double-hole woodworking drill bit provided by the utility model is as follows:

when the rotary ring 29 is used, the fixed sleeve 28 is driven to move upwards through the movement of the rotary ring 29, the limit of the connecting sleeve 25 is canceled, then the connecting sleeve 25 is moved upwards, the two convex blocks 27 slide upwards in the sliding groove 23, the second drill bit 3 is driven to move upwards through the movement of the connecting sleeve 25, and accordingly the second drill bit 3 is detached.

the fixed sleeve 28 is driven to move upwards through the movement of the rotating ring 29, the limit of the connecting sleeve 25 is canceled, then the connecting sleeve 25 is moved upwards, the movement of the connecting sleeve 25 drives the second drill bit 3 to move upwards, and therefore the second drill bit 3 is detached, the operation is simple and convenient, a specific tool is not needed when the second drill bit 3 is detached, and the quick replacement is very convenient for workers according to the use requirement.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A coaxial double hole woodworking drill bit, comprising: a first drill bit (1);

dismantle subassembly (2), the bottom fixed connection of dismantlement subassembly (2) is in the top of first drill bit (1), dismantlement subassembly (2) are including installation axle (21), the bottom fixed connection of installation axle (21) is in the top of first drill bit (1), the week side of installation axle (21) is provided with screw groove (22), spout (23) have been seted up to the week side of installation axle (21), the week side fixedly connected with spacing ring (24) of installation axle (21).

2. The coaxial double-hole woodworking drill bit according to claim 1, characterized in that a connecting sleeve (25) is slidably connected to the peripheral side surface of the mounting shaft (21) and positioned at the top of the limiting ring (24), a connecting hole (26) is formed in the inner side of the connecting sleeve (25), and two protruding blocks (27) are fixedly connected to the inner side of the connecting sleeve (25).

3. Coaxial double-hole woodworking drill bit according to claim 2, characterized in that the peripheral sides of two protruding blocks (27) are in sliding connection with the peripheral sides of the mounting shaft (21), the peripheral sides of the mounting shaft (21) are in threaded connection with a fixing sleeve (28) at the top of the connecting sleeve (25), and the peripheral sides of the fixing sleeve (28) are fixedly connected with a rotating ring (29).

4. Coaxial double-hole woodworking drill bit according to claim 2, characterized in that the bottom of the connecting sleeve (25) is fixedly connected with a second drill bit (3), the bottom of the second drill bit (3) is fixedly connected with a first drilling head (4).

5. Coaxial double-hole woodworking drill bit according to claim 1, characterized in that the two sides of the bottom of the first drill bit (1) are fixedly connected with second drilling heads (5).