CN215033880U

CN215033880U - Novel wear-resistant drill bit

Info

Publication number: CN215033880U
Application number: CN202120748769.7U
Authority: CN
Inventors: 李保华
Original assignee: Anhui Aode Mining Machinery & Equipment Ltd
Current assignee: Anhui Aode Mining Machinery & Equipment Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-07
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a novel abrasion-resistant drill bit, which comprises a drill bit body, wherein a connecting rod is arranged at the top end of the drill bit body, a buffer is arranged at the top end of the connecting rod, an installing head is arranged at the top end of the buffer, a limiting block is arranged inside the installing head, two sides of the limiting block are provided with fixing springs, one side of each fixing spring is provided with a fixing buckle, a first telescopic rod is arranged inside the buffer, the outer surface of the first telescopic rod is provided with a first buffer cushion, the bottom end of the first telescopic rod is provided with a telescopic rod base, the bottom end of the telescopic rod base is provided with a fixing sleeve, the outer surface of the fixing sleeve is provided with a second telescopic rod, the outer surface of the second telescopic rod is provided with a second buffer cushion, and one side of the fixing buckle is provided with a buckle; this novel drill bit of stand wear and tear through setting up fixed spring, buckle, connecting rod, telescopic link, blotter, can reach the convenient installation of changing and dismantle can also multi-direction protection drill bit extension drill bit life's purpose.

Description

Novel wear-resistant drill bit

Technical Field

The utility model relates to a drilling tool technical field specifically is a novel drill bit that stand wear and tear.

Background

At present, steel and iron are used as main raw materials in some wear-resistant drill bits, and carbon fiber, graphite powder and silicon carbide are added, so that the wear resistance of the drill bit is greatly improved, and excellent hardness performance can be shown. The application range is wide, and wear-resistant drill bits are commonly used in road milling machines.

The prior art has the following defects or problems:

1. the existing abrasion-resistant drill bit can only buffer force in one direction, when external force in other directions is met in the early operation process, reverse buffering is lost, the drill bit is easy to break or bend, a drill which splashes after being broken can hurt operators, and the working progress can be delayed;

2. the existing wear-resistant drill bit needs to be frequently replaced with different drill bits when facing materials made of different materials, the drill bit is required to be integrally detached from a drilling machine, a new drill bit is taken to be installed, and the existing drill bit is installed and detached only by using a special tool, so that the existing wear-resistant drill bit is very inconvenient, the working time is delayed, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel drill bit that stand wear and tear to the weak point to prior art to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel drill bit that stand wear and tear, includes the drill bit body, drill bit body top is provided with the connecting rod, the connecting rod top is provided with the buffer, the buffer top is provided with the installation head, the inside stopper that is provided with of installation head, the stopper both sides are provided with fixed spring, fixed spring one side is provided with fixed the knot, the inside first telescopic link that is provided with of buffer, first telescopic link surface is provided with first blotter, first telescopic link bottom is provided with the telescopic link base, telescopic link base bottom is provided with the fixed sleeve, the fixed sleeve surface is provided with the second telescopic link, second telescopic link surface is provided with the second blotter, fixed knot one side is provided with the buckle.

As the utility model discloses a preferred technical scheme, drill bit body top is provided with the screw thread, the drill bit body passes through screw thread and connecting rod swing joint.

As an optimal technical scheme of the utility model, the connecting rod top is provided with the screw thread, the connecting rod passes through screw thread and fixed sleeve swing joint.

As the utility model discloses an optimal technical scheme, telescopic link base and fixed sleeve fixed connection, the fixed first telescopic link that is provided with between buffer and the telescopic link base, first blotter and first telescopic link fixed connection, first telescopic link is provided with two sets ofly.

As the utility model discloses an optimal technical scheme, the fixed second telescopic link that is provided with between buffer lateral wall and the telescopic link base, second blotter and second telescopic link fixed connection, second telescopic link equidistance is provided with four groups.

As the utility model discloses an optimal technical scheme, installation head and buffer fixed connection, the fixed inner wall size phase-match who detains outer wall size and installation head, fixed knot passes through fixed spring and installation head swing joint.

As the utility model discloses an optimized technical scheme, the fixed knot sets up to trapezoidal form, the buckle is connected with the fixed knot is fixed.

Compared with the prior art, the utility model provides a novel drill bit of stand wear and tear possesses following beneficial effect:

1. the novel abrasion-resistant drill bit is provided with the fixing sleeve, the connecting rod is twisted into the fixing sleeve, the top end of the fixing sleeve, the telescopic rods and the buffer pads on the periphery of the fixing sleeve are arranged, when the drill bit meets an emergency situation, the telescopic rods are stressed by the drill bit and can drive the drill bit to incline, the elastic force of the buffer pads outside the telescopic rods reduces the external force on the drill bit, when the elastic force of the buffer pads is larger than the external force, the buffer pads drive the telescopic rods to return to the original position, the drill bit can bear the force from multiple directions through the first telescopic rods, the first buffer pads, the second telescopic rods and the second buffer pads, the drill bit can be protected from multiple directions, the drill bit can be enabled to return to be right and continue to work, and the service life of the drill bit is prolonged;

2. this novel drill bit of stand wear and tear, through setting up the installation head, when needing to follow the bit of changing, also only need drag the drill bit hard and just can take off whole drill bit, trapezoidal fixed knot is under the effect of external force, in the installation head is got back to gliding and overcome the elasticity of fixed spring, fixed knot drives the buckle and gets back to inside the installation head, just can take off the drill bit is whole from the rig, through the screw thread in the connecting rod, can the solitary drill bit body of quick replacement, only need take off the drill bit body from the connecting rod and just can change new drill bit body, the time is conveniently shortened, and the work efficiency is improved.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

FIG. 3 is a schematic view of the fixing sleeve of the present invention;

fig. 4 is a schematic view of the structure of the drill bit body of the present invention.

In the figure: 1. a drill bit body; 2. a connecting rod; 3. a buffer; 4. a mounting head; 5. a limiting block; 6. fixing the spring; 7. a fixing buckle; 8. a first telescopic rod; 9. a first cushion pad; 10. a telescopic rod base; 11. fixing the sleeve; 12. a second telescopic rod; 13. a second cushion pad; 14. and (5) buckling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment:

the utility model provides a novel drill bit of stand wear and tear, including

drill bit body

1, 1 top of drill bit body is provided with connecting

rod

2, 2 tops of connecting rod are provided with

buffer

3, 3 tops of buffer are provided with installation head 4, install the inside stopper 5 that is provided with of head 4, stopper 5 both sides are provided with fixing spring 6, fixing spring 6 one side is provided with

fixed knot

7, 3 inside first telescopic link 8 that are provided with of buffer, 8 surfaces of first telescopic link are provided with

first blotter

9, 8 bottoms of first telescopic link are provided with

telescopic link base

10, 10 bottoms of telescopic link base are provided with

fixed sleeve

11, 11 surfaces of fixed sleeve are provided with second

telescopic link

12, 12 surfaces of second telescopic link are provided with second blotter 13, fixed knot 7 one side is provided with buckle 14.

In the embodiment, the top end of the drill bit body 1 is provided with threads, and the drill bit body 1 is movably connected with the connecting rod 2 through the threads, so that the drill bit body 1 is convenient to replace; the top end of the connecting rod 2 is provided with threads, and the connecting rod 2 is movably connected with the fixed sleeve 11 through the threads, so that external force applied to the drill bit body 1 is reduced; the telescopic rod base 10 is fixedly connected with the fixed sleeve 11, a first telescopic rod 8 is fixedly arranged between the buffer 3 and the telescopic rod base 10, a first buffer pad 9 is fixedly connected with the first telescopic rod 8, and the first telescopic rods 8 are provided with two groups, so that the drill bit body 1 can be protected from the vertical direction; a second telescopic rod 12 is fixedly arranged between the side wall of the buffer 3 and the telescopic rod base 10, a second buffer pad 13 is fixedly connected with the second telescopic rod 12, and four groups of the second telescopic rods 12 are arranged at equal intervals, so that the drill bit body 1 can be protected from the periphery; the mounting head 4 is fixedly connected with the buffer 3, the size of the outer wall of the fixing buckle 7 is matched with the size of the inner wall of the mounting head 4, and the fixing buckle 7 is movably connected with the mounting head 4 through the fixing spring 6, so that the whole drill bit is conveniently mounted; the fixing buckle 7 is in a trapezoid shape, and the buckle 14 is fixedly connected with the fixing buckle 7, so that the drill bit can be conveniently and quickly detached integrally.

The utility model discloses a theory of operation and use flow: when the drill bit is used, the drill bit body 1 is installed into the connecting rod 2 through the threads at the top end, the connecting rod 2 is installed into the fixing sleeve 11 in the buffer 3 through the threads, the buckles 14 on the two sides of the installing head 4 are pressed, the fixing buckles 7 overcome the elastic force of the fixing springs 6, the buckles 14 and the fixing buckles 7 return to the installing head 4, the whole drill bit is installed into the drill, after entering a drill, the elastic force of the fixing springs 6 drives the buckles 14 to clamp the buckles 14 into the grooves of the drill, so that the whole drill bit is fixed with the drill, when the drill bit body 1 needs to be replaced during the operation of the drill, only the drill bit body 1 needs to be turned off from the connecting rod 2 to replace a new drill bit body 1, when the drill bit body 1 suddenly encounters a hard material during the operation, the first telescopic rod 8 is contracted with the first buffer cushion 9, and half of the second telescopic rods 12 and the second buffer 13 are contracted, half second telescopic link 12 and the extension of second blotter 13 protect drill bit body 1 can not the fracture, and when external force diminishes, first telescopic link 8 extends with first blotter 9, and half second telescopic link 12 and the extension of second blotter 13, half second telescopic link 12 and the retraction of second blotter 13 make drill bit body 1 get back to original position and continue work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel wear-resistant drill bit is characterized in that: comprises a drill bit body (1), a connecting rod (2) is arranged at the top end of the drill bit body (1), a buffer (3) is arranged at the top end of the connecting rod (2), an installing head (4) is arranged at the top end of the buffer (3), a limiting block (5) is arranged inside the installing head (4), fixing springs (6) are arranged on two sides of the limiting block (5), a fixing buckle (7) is arranged on one side of each fixing spring (6), a first telescopic rod (8) is arranged inside the buffer (3), a first buffering cushion (9) is arranged on the outer surface of the first telescopic rod (8), a telescopic rod base (10) is arranged at the bottom end of the first telescopic rod (8), a fixing sleeve (11) is arranged at the bottom end of the telescopic rod base (10), a second telescopic rod (12) is arranged on the outer surface of the fixing sleeve (11), a second buffering cushion (13) is arranged on the outer surface of the second telescopic rod (12), a buckle (14) is arranged on one side of the fixing buckle (7).

2. A novel wear resistant drill bit as claimed in claim 1 wherein: the drill bit is characterized in that threads are arranged at the top end of the drill bit body (1), and the drill bit body (1) is movably connected with the connecting rod (2) through the threads.

3. A novel wear resistant drill bit as claimed in claim 1 wherein: the top end of the connecting rod (2) is provided with threads, and the connecting rod (2) is movably connected with the fixed sleeve (11) through the threads.

4. A novel wear resistant drill bit as claimed in claim 1 wherein: the telescopic rod base (10) is fixedly connected with the fixing sleeve (11), a first telescopic rod (8) is fixedly arranged between the buffer (3) and the telescopic rod base (10), a first buffer pad (9) is fixedly connected with the first telescopic rod (8), and the first telescopic rod (8) is provided with two groups.

5. A novel wear resistant drill bit as claimed in claim 1 wherein: the buffer is characterized in that a second telescopic rod (12) is fixedly arranged between the side wall of the buffer (3) and the telescopic rod base (10), a second buffer pad (13) is fixedly connected with the second telescopic rod (12), and four groups of the second telescopic rods (12) are arranged at equal intervals.

6. A novel wear resistant drill bit as claimed in claim 1 wherein: the mounting head (4) is fixedly connected with the buffer (3), the size of the outer wall of the fixing buckle (7) is matched with the size of the inner wall of the mounting head (4), and the fixing buckle (7) is movably connected with the mounting head (4) through the fixing spring (6).

7. A novel wear resistant drill bit as claimed in claim 1 wherein: the fixing buckle (7) is in a trapezoidal shape, and the buckle (14) is fixedly connected with the fixing buckle (7).