CN219254242U

CN219254242U - Novel drill bit with blades

Info

Publication number: CN219254242U
Application number: CN202223276457.4U
Authority: CN
Inventors: 吴章亚; 周欣; 杜李虎; 黄雪峰; 段汉伟
Original assignee: Jiangsu Guozhuang Geotechnical Engineering Co ltd
Current assignee: Jiangsu Guozhuang Geotechnical Engineering Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-06-27
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a novel drill bit with blades, and belongs to the technical field of drill bits. The novel drill bit with the blades can be used for simply disassembling and assembling the whole blade, is convenient to replace worn or damaged blades, reduces replacement cost, is simple in structure, good in fixing effect, time-saving and labor-saving, and is high in practicability.

Description

Novel drill bit with blades

Technical Field

The utility model belongs to the technical field of drill bits, and particularly relates to a novel drill bit with blades.

Background

The drill bit is a tool for drilling a through hole or a blind hole in a wall or an object, and can be used for reaming the existing hole, the common drill bit mainly comprises a twist drill, a flat drill, a center drill, a deep drill and a trepanning drill, and the reamer and the countersink drill can not drill on solid materials, but are classically classified into the drill bit, and along with the development of the era, the drill bit is increasingly used, so the variety of the drill bit is also increased.

The phenomenon that the blade can not appear wearing and tearing or damage through long-time use of the novel drill bit that has blade on the market now influences drilling effect, needs to change the drill bit is whole, improves the replacement cost, needs to improve this.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the existing novel drill bit with blades in the market cannot avoid abrasion or damage after long-time use of the blades, the drilling effect is affected, the whole drill bit is required to be replaced, and the replacement cost is improved, the novel drill bit with the blades is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a novel drill bit with blade, includes drill bit and drilling rod, the cover is equipped with the loop bar on the drill bit body, fixed mounting has evenly distributed's helical blade on the loop bar, fixed mounting has the cutting on the drilling rod, the socket has been seted up to the loop bar inboard, the cutting slides and sets up on the socket, be provided with the fixed establishment who is used for fixing the blade on the drilling rod on loop bar and the cutting.

As a further description of the above technical solution: when the screw blade needs to be replaced through the phenomenon that the screw blade is worn or damaged after long-time use, an operator manually or by means of a tool forcefully pulls the screw blade and the drill rod reversely, the screw blade drives the sleeve rod fixedly installed on the screw blade to slide on the rotating rod, the sleeve rod slides on the rotating rod to drive the cutting on the drill rod to slide in the cutting on the sleeve rod, the fixing mechanism is automatically unlocked in the cutting sliding process, the sleeve rod and the screw blade can be detached, when the new screw blade is replaced, the inserting opening on the sleeve rod is directly aligned with the cutting on the drill rod, the sleeve rod is forcefully inserted on the drill rod, and when the sleeve rod is completely inserted on the drill rod, the sleeve rod and the screw blade are fixed through the fixing mechanism.

The drill rod size is matched with the inner diameter size of the loop bar, and the cutting size is matched with the socket size.

As a further description of the above technical solution: the stability of loop bar and drill bit after installation is fixed can be improved, the stability when probing is improved.

The fixing mechanism comprises a mounting opening formed in the side edge of the socket of the loop bar, a reset spring arranged in the mounting opening, a fixed block arranged on the mounting opening in a sliding manner and a fixing opening formed in the cutting, wherein the two fixing blocks and the joint surface of the fixed opening are both arc surfaces, and the end part of the reset spring is fixedly arranged with the loop bar and the fixed block respectively and is pressed between the loop bar and the fixed block.

As a further description of the above technical solution: the gliding in-process of cutting makes the fixed block in the loop bar receive the extrusion force, the fixed block receives extrusion force compression reset spring and gets into the fixed port that breaks away from in the installation mouth, alright demolish loop bar and helical blade, when installing new helical blade, the gliding in-process of cutting makes the fixed block in the loop bar receive extrusion force compression reset spring and get into in the installation mouth, when the loop bar inserts completely and establishes on the drilling rod, fixed port all just to the installation mouth this moment, all block the fixed block in the fixed port through reset spring's restoring force, install fixedly loop bar and helical blade, and is simple in structure, the dismouting of being convenient for, fixed effectual, the practicality is strong.

The socket side fixed block is provided with five groups at least, fixed port on the cutting sets up the group number and the fixed block sets up the group number the same.

As a further description of the above technical solution: the stability of the loop bar and the drill bit after being installed and fixed is improved, and the stability during drilling is improved.

The size of the fixing block is matched with the size of the fixing opening.

As a further description of the above technical solution: the stability of the loop bar and the drill bit after being installed and fixed can be further improved, and the stability during drilling is improved.

The side edge of the bottom of the cutting is an arc edge.

As a further description of the above technical solution: the cutting is convenient for extruding the fixed block, and time and labor are saved.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: when the screw blade needs to be replaced through the phenomenon that the screw blade is worn or damaged after long-time use, an operator manually or by means of a tool forcefully pulls the screw blade and the drill rod reversely, the screw blade drives the sleeve rod fixedly installed on the screw blade to slide on the rotating rod, the sleeve rod slides on the rotating rod to drive the cutting on the drill rod to slide in the cutting on the sleeve rod, the fixing mechanism is automatically unlocked in the cutting sliding process, the sleeve rod and the screw blade can be detached, when the new screw blade is replaced, the inserting opening on the sleeve rod is directly aligned with the cutting on the drill rod, the sleeve rod is forcefully inserted on the drill rod, and when the sleeve rod is completely inserted on the drill rod, the sleeve rod and the screw blade are fixed through the fixing mechanism.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a block diagram of a drill pipe according to the present utility model;

FIG. 3 is a block diagram of a loop bar of the present utility model;

FIG. 4 is a cross-sectional view of a loop bar of the present utility model;

fig. 5 is a view showing the internal structure of the mounting port according to the present utility model.

Legend description:

1. a drill bit; 2. a drill rod; 3. a loop bar; 4. a helical blade; 5. cutting; 6. a socket; 7. a fixing mechanism; 71. a mounting port; 72. a return spring; 73. a fixed block; 74. and fixing the opening.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a novel drill bit with blade, includes drill bit 1 and drilling rod 2, the cover is equipped with loop bar 3 on the drill bit 1 body, fixed mounting has evenly distributed's helical blade 4 on the loop bar 3, fixed mounting has cutting 5 on the drilling rod 2, socket 6 has been seted up to the loop bar 3 inboard, cutting 5 slides and sets up on socket 6, be provided with the fixed establishment 7 that are used for fixing the blade on drilling rod 2 on loop bar 3 and the cutting 5.

When the screw blade 4 needs to be replaced by the phenomenon that abrasion or damage occurs after long-time use, an operator manually or by means of a tool forcefully pulls the screw blade 4 and the drill rod 2 in a reverse direction, the screw blade 4 drives the sleeve rod 3 fixedly installed on the screw blade 4 to slide on the rotating rod, the sleeve rod 3 slides on the rotating rod to drive the cutting 5 on the drill rod 2 to slide in the cutting 5 on the sleeve rod 3, the fixing mechanism 7 automatically unlocks in the sliding process of the cutting 5, the sleeve rod 3 and the screw blade 4 can be removed, when the new screw blade 4 is replaced, the inserting opening 6 on the sleeve rod 3 is directly aligned with the cutting 5 on the drill rod 2, the sleeve rod 3 is forcefully inserted on the drill rod 2, and when the sleeve rod 3 is completely inserted on the drill rod 2, the sleeve rod 3 and the screw blade 4 are fixed through the fixing mechanism 7.

The size of the drill rod 2 is matched with the inner diameter size of the sleeve rod 3, and the size of the cutting 5 is matched with the size of the socket 6; the stability of the shank 3 and the drill bit 1 after installation and fixation can be improved, and the stability during drilling can be improved.

The fixing mechanism 7 comprises a mounting opening 71 arranged on the side edge of the socket 6 of the loop bar 3, a return spring 72 arranged in the mounting opening 71, a fixed block 73 arranged on the mounting opening 71 in a sliding manner and a fixed opening 74 arranged on the cutting 5, wherein the joint surfaces of the fixed block 73 and the fixed opening 74 are both arc surfaces, the end part of the return spring 72 is fixedly arranged with the loop bar 3 and the fixed block 73 respectively, and the return spring 72 is pressed between the loop bar 3 and the fixed block 73; the fixed block 73 in the sleeve rod 3 is enabled to receive extrusion force in the sliding process of the cutting 5, the fixed block 73 is enabled to receive extrusion force to compress the reset spring 72 to enter the mounting opening 71 and be separated from the fixed opening 74, the sleeve rod 3 and the helical blade 4 can be detached, when a new helical blade 4 is mounted, the fixed block 73 in the sleeve rod 3 is enabled to receive extrusion force to compress the reset spring 72 to enter the mounting opening 71 in the sliding process of the cutting 5, when the sleeve rod 3 is completely inserted on the drill rod 2, the fixed opening 74 is opposite to the mounting opening 71 at the moment, the fixed block 73 is clamped into the fixed opening 74 through the restoring force of the reset spring 72, and the sleeve rod 3 and the helical blade 4 are mounted and fixed.

The fixed blocks 73 on the side edge of the socket 6 are provided with at least five groups, and the number of the groups of the fixed ports 74 on the cutting 5 is the same as that of the fixed blocks 73; the stability of the sleeve rod 3 and the drill bit 1 after being installed and fixed is improved, and the stability during drilling is improved.

The size of the fixed block 73 is matched with the size of the fixed opening 74; the stability of the shank 3 and the drill bit 1 after installation and fixation can be further improved, and the stability during drilling can be improved.

The side edge of the bottom of the cutting 5 is an arc edge; the cutting 5 is convenient to extrude the fixed block 73, so that time and labor are saved.

Working principle: when the screw blade 4 needs to be replaced by the phenomenon that abrasion or damage occurs after long-time use, an operator manually or by means of a tool forcefully reversely pulls the screw blade 4 and the drill rod 2, the screw blade 4 drives the sleeve rod 3 fixedly installed on the screw rod 3 to slide on the rotating rod, the sleeve rod 3 slides on the rotating rod to drive the cutting 5 on the drill rod 2 to slide in the cutting 5 on the sleeve rod 3, the fixing blocks 73 in the sleeve rod 3 are enabled to be subjected to extrusion force in the sliding process of the cutting 5, the fixing blocks 73 are subjected to extrusion force to compress the reset spring 72 to enter the mounting opening 71 to be separated from the fixing opening 74, the sleeve rod 3 and the screw blade 4 can be removed, when the new screw blade 4 is replaced, the inserting opening 6 on the sleeve rod 3 is directly aligned with the cutting 5 on the drill rod 2, the sleeve rod 3 is forcefully inserted on the drill rod 2, the fixing blocks 73 in the sleeve rod 3 are enabled to be subjected to extrusion force to compress the reset spring 72 to enter the mounting opening 71, and when the sleeve rod 3 is completely inserted on the drill rod 2, the fixing openings 74 are all opposite to the mounting opening 71, the cost is easy, the cost of replacement is reduced, and the whole cost is easy to replace the whole device is easy, and the cost of the whole device can be replaced by the device is reduced, and the cost is reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a novel drill bit with blade, includes drill bit (1) and drilling rod (2), its characterized in that, the cover is equipped with loop bar (3) on the drill bit (1) body, fixed mounting has evenly distributed's helical blade (4) on loop bar (3), fixed mounting has cutting (5) on drilling rod (2), socket (6) have been seted up to loop bar (3) inboard, cutting (5) slip sets up on socket (6), be provided with on loop bar (3) and cutting (5) and be used for fixing fixed establishment (7) on drilling rod (2) with the blade.

2. A new drill bit with blades according to claim 1, characterized in that the drill rod (2) is adapted in size to the inner diameter of the shank (3) and the cutting (5) is adapted in size to the socket (6).

3. The novel drill bit with the blades according to claim 1, wherein the fixing mechanism (7) comprises a mounting hole (71) formed in the side edge of the socket (6) of the loop bar (3), a reset spring (72) arranged in the mounting hole (71), a fixing block (73) arranged on the mounting hole (71) in a sliding manner and a fixing hole (74) formed in the cutting (5), the joint surfaces of the fixing block (73) and the fixing hole (74) are both cambered surfaces, the end part of the reset spring (72) is fixedly mounted with the loop bar (3) and the fixing block (73) respectively, and the reset spring (72) is pressed between the loop bar (3) and the fixing block (73).

4. A novel drill bit with blades according to claim 3, characterized in that the side fixing blocks (73) of the socket (6) are provided with at least five groups, and the number of the groups of the fixing openings (74) on the cutting (5) is the same as the number of the groups of the fixing blocks (73).

5. The novel drill bit with blades according to claim 4, wherein the size of the fixing block (73) is matched with the size of the fixing opening (74).

6. A new drill bit with blades according to claim 1, characterized in that the bottom side of the cutting (5) is provided as an arc.