CN211230258U

CN211230258U - Stepped drag bit

Info

Publication number: CN211230258U
Application number: CN201922336406.8U
Authority: CN
Inventors: 恽银平
Original assignee: Changzhou Keliyuan Tools Co ltd
Current assignee: Changzhou Keliyuan Tools Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-11
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a cascaded drag bit, include drill bit, connecting rod, cutting edge, chip groove, first butt joint post, twist head, latch, carousel, second butt joint post and locating piece soon. The utility model has the advantages that: the top of first butt joint post is provided with the indent screw, and the diameter of this screw equals with the second butt joint post, through the connection of screw, be convenient for the connection of second butt joint post, the bottom of second butt joint post is provided with the screw thread post, and twist the butt joint through the screw thread post with the screw at first butt joint post top, twist soon through the screw thread butt joint, be convenient for change the second butt joint post of different models, the drill bit is the echelonment, and be provided with the chip groove of symmetry formula on its lateral wall, can be timely discharge the sweeps, latch fixed connection is in the bottom of first butt joint post, and through twisting the head soon with the latch chucking, be convenient for with the drill bit chucking, the drill bit passes through the connecting rod chucking and is connected fixedly with first butt joint post in the latch, can install fast the drill bit and dismantle.

Description

Stepped drag bit

Technical Field

The utility model relates to a drag bit specifically is a cascaded drag bit, belongs to drill bit class technical field.

Background

The drilling refers to the operation of processing holes on solid materials by using a drill bit, and the drilling work in exploration work, auxiliary tools needed by drilling and partial emergency measures are taught, in geological exploration work, columnar round holes with smaller diameter and larger depth are drilled into the underground by using drilling equipment, and the columnar round holes are also called as drilled holes, the diameter of the drilled holes for drilling oil, natural gas and underground water is larger, and the diameter and the depth of the drilled holes depend on the buried depth of geological mineral products and the application of the drilled holes.

Therefore, a stepped drag bit is needed to meet the current market demand, although various drag bits have been produced on the current market, generally speaking, many common defects still exist, one of the existing drag bits is not stepped and is not provided with a chip discharge groove, so that scraps cannot be discharged in time, the other existing drag bit is integral, so that a single part cannot be replaced when the drag bit is damaged, and the third step is that a positioning block is not arranged at the top of the existing drag bit, so that the existing drag bit cannot be connected with external connection equipment in a positioning manner.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a stepped drag bit that solves the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a stepped drag bit comprises a bit, a connecting rod, a cutting edge, a chip groove, a first butt column, a screwing head, a latch, a rotary table, a second butt column and a positioning block; the drill bit is connected and is fixed in the bottom of first butt joint post, the vertical welded fastening of connecting rod is at the top of drill bit, just the connecting rod is located the center department of drill bit, the cutting edge is located the bottom center department of drill bit, the chip groove is located the lateral wall of drill bit, first butt joint post is located the top of drill bit, twist soon the head and twist the locking in the bottom of first butt joint post, the latch sets up the bottom at first butt joint post, the carousel sets up the top at first butt joint post, just first butt joint post, twist the head soon, the latch constitutes a unified whole jointly, the vertical connection of second butt joint post is at the carousel, the vertical top of fixing at the second butt joint post of locating piece.

Preferably, in order to facilitate the connection of the second docking post, a concave screw hole is formed in the top end of the first docking post, and the diameter of the screw hole is equal to that of the second docking post.

Preferably, in order to facilitate replacement of second docking posts of different types, the bottom end of each second docking post is provided with a threaded post, and the threaded post is screwed and docked with a threaded hole in the top of the first docking post.

Preferably, in order to discharge the waste scraps in time, the drill is stepped, and symmetrical scrap discharge grooves are formed in the side wall of the drill.

Preferably, in order to conveniently clamp the drill bit, the clamping teeth are fixedly connected to the bottom of the first butt column and are clamped through the screwing head.

Preferably, in order to install and dismantle the drill bit fast, the drill bit passes through the connecting rod chucking and is connected fixedly with first butt joint post in the latch.

The utility model has the advantages that: this drag bit reasonable in design, the top of first butt joint post is provided with the indent screw, and the diameter of this screw equals with the second butt joint post, through the connection of screw, be convenient for the connection of second butt joint post, the bottom of second butt joint post is provided with the screw post, and twist the butt joint through the screw at screw post and first butt joint post top, twist soon through the screw butt joint, be convenient for change the second butt joint post of different models, the drill bit is the echelonment, and be provided with the chip groove of symmetry formula on its lateral wall, can be timely discharge the sweeps, latch fixed connection is in the bottom of first butt joint post, and through twisting the head soon with the latch chucking, be convenient for with the drill bit chucking, the drill bit passes through the connecting rod chucking and is connected fixedly in the latch with first butt joint post, can install fast the drill bit and dismantle.

Drawings

Fig. 1 is an overall three-dimensional schematic diagram of the present invention;

fig. 2 is a schematic view of the present invention.

In the figure: 1. the drilling bit, 2, a connecting rod, 3, a cutting edge, 4, a chip groove, 5, a first butt column, 6, a screwing head, 7, a clamping tooth, 8, a turntable, 9, a second butt column, 10 and a positioning block.

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. 1-2, a stepped drag bit includes a bit 1, a connecting rod 2, a blade 3, a chip groove 4, a first butt column 5, a screw head 6, a latch 7, a rotary table 8, a second butt column 9, and a positioning block 10; drill bit 1 connection fixation is in the bottom of first butt joint post 5, the vertical welded fastening of connecting rod 2 is at the top of drill bit 1, just connecting rod 2 is located the center department of drill bit 1, cutting edge 3 is located the bottom center department of drill bit 1, chip groove 4 is located the lateral wall of drill bit 1, first butt joint post 5 is located the top of drill bit 1, twist head 6 soon and twist the locking in the bottom of first butt joint post 5, latch 7 sets up the bottom at first butt joint post 5, carousel 8 sets up the top at first butt joint post 5, just first butt joint post 5, twist head 6, latch 7 and constitute a unified whole jointly, the vertical connection of second butt joint post 9 is at carousel 8, the vertical top of fixing at second butt joint post 9 of locating piece 10.

The top of first butt joint post 5 is provided with the indent screw, and the diameter of this screw equals with second butt joint post 9, through the connection of screw, is convenient for connect second butt joint post 9, the bottom of second butt joint post 9 is provided with the screw post to twist the butt joint through the screw post with the screw at first butt joint post 5 top, twist soon through the screw butt joint, be convenient for change the second butt joint post 9 of different models, drill bit 1 is the echelonment, and is provided with the chip groove 4 of symmetry formula on its lateral wall, can be timely discharges the sweeps, latch 7 fixed connection is in the bottom of first butt joint post 5 to through twisting head 6 with latch 7 chucking, be convenient for with drill bit 1 chucking, drill bit 1 is connected fixedly with first butt joint post 5 in latch 7 through connecting rod 2 chucking, can install fast drill bit 1 and dismantle.

The working principle is as follows: when using this drag bit, earlier with drill bit 1 through 2 chucking of connecting rod in latch 7 with first butt joint post 5 be connected fixedly, can install fast drill bit 1 and dismantle, then with latch 7 through twisting head 6 soon with latch 7 chucking, be convenient for with drill bit 1 chucking, twist the butt joint with the screw of second butt joint post 9 through the screw post of its bottom and the screw at first butt joint post 5 top soon again, twist soon through the screw butt joint, be convenient for change different models second butt joint post 9 can.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A stepped drag bit, characterized by: the drill bit comprises a drill bit (1), a connecting rod (2), a cutting edge (3), a chip groove (4), a first butt column (5), a screwing head (6), a clamping tooth (7), a rotary table (8), a second butt column (9) and a positioning block (10); the drill bit (1) is fixedly connected with the bottom of a first butt column (5), the connecting rod (2) is vertically welded and fixed at the top of the drill bit (1), the connecting rod (2) is located at the center of the drill bit (1), the cutting edge (3) is located at the center of the bottom of the drill bit (1), the chip discharge groove (4) is located on the side wall of the drill bit (1), the first butt column (5) is located above the drill bit (1), the screwing head (6) is screwed and locked at the bottom of the first butt column (5), the clamping teeth (7) are arranged at the bottom of the first butt column (5), the rotary disc (8) is arranged at the top end of the first butt column (5), the screwing head (6) and the clamping teeth (7) jointly form a unified whole, and the second butt column (9) is vertically connected with the rotary disc (8), the positioning block (10) is vertically fixed at the top end of the second butt joint column (9).

2. The stepped drag bit of claim 1, wherein: the top end of the first butt-joint column (5) is provided with an inwards concave screw hole, and the diameter of the screw hole is equal to that of the second butt-joint column (9).

3. The stepped drag bit of claim 1, wherein: and the bottom end of the second butt joint column (9) is provided with a threaded column, and the threaded column is screwed and butted with a screw hole in the top of the first butt joint column (5).

4. The stepped drag bit of claim 1, wherein: the drill bit (1) is in a step shape, and symmetrical chip grooves (4) are formed in the side wall of the drill bit.

5. The stepped drag bit of claim 1, wherein: the latch (7) is fixedly connected to the bottom of the first butt column (5), and the latch (7) is tightly clamped through the screwing head (6).

6. The stepped drag bit of claim 1, wherein: the drill bit (1) is clamped in the latch (7) through the connecting rod (2) and is fixedly connected with the first butt column (5).