CN219808955U - Drill bit for power drilling tool - Google Patents
Drill bit for power drilling tool Download PDFInfo
- Publication number
- CN219808955U CN219808955U CN202321018466.5U CN202321018466U CN219808955U CN 219808955 U CN219808955 U CN 219808955U CN 202321018466 U CN202321018466 U CN 202321018466U CN 219808955 U CN219808955 U CN 219808955U
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- drill bit
- bit body
- bolt
- lug
- drilling tool
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- 238000005553 drilling Methods 0.000 title claims abstract description 44
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model belongs to the technical field of drill bits, and particularly relates to a drill bit for a power drilling tool. This scheme is through the setting of structure such as bolt, nut, can lock fixedly to drill bit body and link to under the effect of limit groove, gag lever post, spring isotructure, can carry out spacing processing to the bolt, avoid the not hard up problem of bolt, with guarantee the connection steadiness between link and the drill bit body, through the setting of structure such as lug one, lug, the drilling of drill bit body is used of being convenient for, under the deformation effect of extension spring, can stimulate the ejector pin and drive the connecting block and be in the tight state in top all the time, make lug two contact with the wall of a well all the time, in order to guarantee the drilling performance of lug two.
Description
Technical Field
The utility model belongs to the technical field of drill bits, and particularly relates to a drill bit for a power drilling tool.
Background
In the drilling engineering, a drill bit is required to be used for drilling, the drill bit is an important structure for breaking rock in the drilling process, a well bore is formed by breaking rock by the drill bit, and reasonable selection of the drill bit plays an important role in improving drilling speed and reducing comprehensive drilling cost.
The utility model discloses a drill bit for drilling engineering in patent grant publication No. CN214741119U, which comprises a drill core and a second positioning groove, wherein a connecting shaft is fixedly connected to the upper side of the drill core, a drill shell is fixedly connected to the outer side of the drill core, positioning clamping plates which are uniformly distributed are fixedly connected to the inner side of the drill shell, the drill core is movably connected to the inner side of the positioning clamping plates, a connecting ring is fixedly connected to the upper side of the positioning clamping plates, the drill core is fixedly connected to the outer side of the connecting ring, and a first positioning shaft is fixedly connected to the middle position of the lower end of the drill core. Through setting up the drill core, bore shell, location cardboard and go-between, this kind of setting makes drill core and drill shell split, has avoided boring the shell when receiving unilateral damage or when receiving unilateral damage to drill core, is inconvenient for dismantling separation to boring shell and drill core, makes the problem that whole drill bit all is in the state of scrapping appear, has improved the flexibility of use of drill bit, has reduced the use cost of drill bit, has increased the practicality of drill bit.
However, the conventional drill bit for a power drilling tool has a certain disadvantage, firstly, the conventional drill bit for a power drilling tool fixes the drill bit body and the connecting end by adopting a bolt fixing mode, and the problem of loosening of bolts can be caused by long-time use due to the influence of external factors such as vibration, and secondly, the conventional drill bit for a power drilling tool adopts a connecting block, a plurality of lugs II and the drill bit body which are designed integrally, so that the problem of poor drilling efficiency is caused by the fact that the lugs II are difficult to contact with the well wall for a long time due to the abrasion problem of broken rocks.
Disclosure of Invention
The utility model aims to provide a drill bit for a power drilling tool, which solves the problems that the prior drill bit for the power drilling tool fixes a drill bit body and a connecting end in a bolt fixing mode, and the bolts are loosened after long-time use due to the influence of external factors such as vibration and the like, and solves the problems that the prior drill bit for the power drilling tool adopts a connecting block, a second bump and the drill bit body which are designed integrally, and the second bump is difficult to contact with a well wall due to the abrasion problem of broken rock, so that the drilling efficiency is poor.
In order to achieve the above purpose, the utility model provides a drill bit for a power drilling tool, which comprises a drill bit body, wherein a connecting end is sleeved in the drill bit body in a sliding way, a nut is fixedly connected to the drill bit body, a bolt is movably connected to the drill bit body, the bolt is movably connected with the connecting end, the bolt and the nut are connected through threads, a limiting mechanism is jointly arranged on the bolt and the nut, a first bump is fixedly connected to the drill bit body, a connecting block is connected in a sliding way to the drill bit body, a second bump is fixedly connected to the connecting block, and a tightening mechanism is arranged on the drill bit body.
The principle of the utility model is as follows: the limiting rod is pulled to move in a direction away from the nut, so that the limiting rod slides along the surface of the guide rod, the spring is stressed and deformed, then the bolt is pushed to pass through the drill bit body and the connecting end, so that the bolt is contacted with the nut, the bolt is rotated, the bolt is fixed under the threaded connection, further the drill bit body and the connecting end are locked, the limiting rod is loosened to enable the spring to recover deformation, so that the limiting rod is pushed to be inserted into the limiting groove, the bolt is inserted and limited, and the loosening problem of the bolt is avoided;
under the effect of structures such as lug one, lug, the drilling of drill bit body uses of being convenient for, at this in-process, the lug two receives the wall of a well extrusion and promotes the connecting block and slide, and the connecting block atress promotes the ejector pin to slide along drill bit body inner wall to drive mounting one and remove, under the effect of mounting two, extension spring atress deformation, under the deformation effect of extension spring, can stimulate the ejector pin and be in the tight state of top, and then promote the lug two and contact with the wall of a well all the time, in order to guarantee the good drilling performance of lug two.
The utility model has the beneficial effects that: this scheme is through the setting of structure such as bolt, nut, can lock fixedly to drill bit body and link to under the effect of limit groove, gag lever post, spring isotructure, can carry out spacing processing to the bolt, avoid the not hard up problem of bolt, with guarantee the connection steadiness between link and the drill bit body, through the setting of structure such as lug one, lug, the drilling of drill bit body is used of being convenient for, under the deformation effect of extension spring, can stimulate the ejector pin and drive the connecting block and be in the tight state in top all the time, make lug two contact with the wall of a well all the time, in order to guarantee the drilling performance of lug two.
Further, the first lug is provided with a plurality of lugs, the first lug is arranged on the drill bit body in an annular array, and the drilling of the drill bit body is facilitated through the arrangement of the first lug.
Further, the connecting block is provided with a plurality of, and is a plurality of the connecting block is annular array arrangement on the drill bit body, through the setting of connecting block, the installation of the lug two of being convenient for uses.
Further, stop gear includes spacing groove, gag lever post, guide arm and spring, the spacing groove has been seted up in the bolt, sliding connection has the gag lever post in the nut, gag lever post and spacing groove sliding connection, fixedly connected with guide arm in the nut, guide arm and gag lever post sliding connection, the welding has the spring on the guide arm, the other end and the gag lever post welding of spring can carry out spacing processing to the bolt through the setting of structures such as gag lever post, spacing groove.
Further, the spacing groove is provided with a plurality of, and is a plurality of the spacing groove is annular array arrangement on the bolt, through the setting of spacing groove, is convenient for follow-up cooperation gag lever post carries out the joint and uses.
Further, the tight mechanism in top includes ejector pin, mounting one, mounting two and extension spring, sliding connection has the ejector pin in the drill bit body, ejector pin and connecting block fixed connection, fixedly connected with mounting one on the ejector pin, fixedly connected with mounting two in the drill bit body, through the setting of ejector pin, extension spring isotructure, can stimulate the connecting block and be in tight state in top.
Further, a tension spring is welded on the second fixing piece, the other end of the tension spring is welded with the first fixing piece, and the first fixing piece can be connected for use through the arrangement of the tension spring.
Drawings
FIG. 1 is a perspective view of the overall structure of a drill bit for a power drilling tool according to an embodiment of the present utility model;
FIG. 2 is a front cross-sectional view of FIG. 1 of a drill bit for a power drilling tool according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of the spacing mechanism of FIG. 2 of a drill bit for a power drilling tool according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of FIG. 3A of a drill bit for a power drilling tool according to an embodiment of the present utility model;
fig. 5 is an enlarged view of fig. 2B of a drill bit for a power drilling tool according to an embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the drill bit comprises a drill bit body 1, a connecting end 2, a nut 3, a bolt 4, a limiting mechanism 5, a first bump 6, a connecting block 7, a second bump 8, a jacking mechanism 9, a limiting groove 51, a limiting rod 52, a guide rod 53, a spring 54, a push rod 91, a first fixing piece 92, a second fixing piece 93 and a tension spring 94.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, the embodiment provides a drill bit for a power drilling tool, including a drill bit body 1, connecting end 2 has been cup jointed in the slip in the drill bit body 1, fixedly connected with nut 3 on the drill bit body 1, swing joint has bolt 4 in the drill bit body 1, bolt 4 and connecting end 2 swing joint, bolt 4 and nut 3 pass through threaded connection, be provided with stop gear 5 on bolt 4 and the nut 3 jointly, fixedly connected with lug one 6 on the drill bit body 1, lug one 6 is provided with a plurality of, a plurality of lugs one 6 are annular array on the drill bit body 1 and are arranged, through the setting of lug one 6, the drilling of drill bit body 1 of being convenient for is used, the sliding connection has connecting block 7 in the drill bit body 1, connecting block 7 is provided with a plurality of, a plurality of connecting blocks 7 are annular array on the drill bit body 1, through the setting of connecting block 7, the installation use of lug two 8 of being convenient for, fixedly connected with lug two 8 on the connecting block 7, be provided with jack-up mechanism 9 on the drill bit body 1.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the limiting mechanism 5 comprises a limiting groove 51, a limiting rod 52, a guide rod 53 and a spring 54, wherein the limiting groove 51 is formed in the bolt 4, a plurality of limiting grooves 51 are formed in the limiting groove 51 in an annular array on the bolt 4, the limiting groove 51 is arranged, the subsequent matching of the limiting rod 52 is convenient to clamp and use, the limiting rod 52 is slidably connected in the nut 3, the limiting rod 52 is slidably connected with the limiting groove 51, the guide rod 53 is fixedly connected in the nut 3, the guide rod 53 is slidably connected with the limiting rod 52, the spring 54 is welded on the guide rod 53, the other end of the spring 54 is welded with the limiting rod 52, and limiting treatment can be performed on the bolt 4 through the arrangement of the limiting rod 52, the limiting groove 51 and other structures.
As shown in fig. 1, 2 and 5, the tightening mechanism 9 comprises a push rod 91, a first fixing member 92, a second fixing member 93 and a tension spring 94, the push rod 91 is slidably connected with the drill bit body 1, the push rod 91 is fixedly connected with the connecting block 7, the first fixing member 92 is fixedly connected with the second fixing member 93 on the push rod 91, the tension spring 94 is welded on the second fixing member 93, the other end of the tension spring 94 is welded with the first fixing member 92, the first fixing member 92 can be connected for use through the arrangement of the tension spring 94, and the connecting block 7 can be pulled to be in a tightening state through the arrangement of the structures such as the push rod 91 and the tension spring 94.
The specific implementation process of the utility model is as follows: the limiting rod 52 is pulled to move in a direction away from the nut 3, so that the limiting rod 52 slides along the surface of the guide rod 53, the spring 54 is stressed and deformed, then the bolt 4 is pushed to pass through the drill bit body 1 and the connecting end 2, the bolt 4 is contacted with the nut 3, the bolt 4 is rotated, the bolt 4 is fixed under the threaded connection, further the drill bit body 1 and the connecting end 2 are locked, the limiting rod 52 is loosened, the spring 54 is restored to be deformed, the limiting rod 52 is pushed to be inserted into the limiting groove 51, the bolt 4 is inserted and limited, and the loosening problem of the bolt 4 is avoided;
under the effect of structures such as the first lug 6 and the second lug 8, the drilling of the drill bit body 1 is convenient to use, in the process, the second lug 8 is extruded by the well wall to push the connecting block 7 to slide, the connecting block 7 is stressed to push the ejector rod 91 to slide along the inner wall of the drill bit body 1 and drive the first fixing part 92 to move, under the effect of the second fixing part 93, the tension spring 94 is stressed to deform, and under the deformation effect of the tension spring 94, the ejector rod 91 can be pulled to be in a jacking state, so that the second lug 8 is pushed to be always contacted with the well wall, and good drilling performance of the second lug 8 is ensured.
This scheme is through the setting of structure such as bolt 4, nut 3, can lock fixedly bit body 1 and link 2 to under the effect of structures such as spacing groove 51, gag lever post 52, spring 54, can carry out spacing processing to bolt 4, avoid the not hard up problem of bolt 4, with the connection steadiness between guaranteeing link 2 and bit body 1, through setting up of lug one 6, lug two 8 isotructures, the drilling of bit body 1 of being convenient for is used, under the deformation effect of extension spring 94, can pull ejector pin 91 drives connecting block 7 and is in tight state in top all the time, make lug two 8 contact with the wall of a well all the time, with the drilling performance of guaranteeing lug two 8.
It should be noted in advance that, in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. A drill bit for a power drilling tool, comprising a bit body, characterized in that: the drill bit comprises a drill bit body, a connecting end is sleeved in the drill bit body in a sliding mode, a nut is fixedly connected to the drill bit body, a bolt is movably connected to the drill bit body, the bolt is movably connected with the connecting end, the bolt is connected with the nut through threads, a limiting mechanism is arranged on the bolt and the nut together, a first lug is fixedly connected to the drill bit body, a connecting block is connected to the drill bit body in a sliding mode, a second lug is fixedly connected to the connecting block, and a tightening mechanism is arranged on the drill bit body.
2. The drill bit for a power drilling tool according to claim 1, wherein: the first lug is provided with a plurality of lugs, and the plurality of lugs are distributed on the drill bit body in an annular array.
3. The drill bit for a power drilling tool according to claim 1, wherein: the connecting blocks are arranged in a plurality, and the connecting blocks are arranged on the drill bit body in an annular array.
4. The drill bit for a power drilling tool according to claim 1, wherein: the limiting mechanism comprises a limiting groove, a limiting rod, a guide rod and a spring, wherein the limiting groove is formed in the bolt, the limiting rod is connected with the nut in a sliding mode, the limiting rod is connected with the limiting groove in a sliding mode, the guide rod is fixedly connected with the nut in a sliding mode, the guide rod is connected with the limiting rod in a sliding mode, the spring is welded on the guide rod, and the other end of the spring is welded with the limiting rod.
5. The drill bit for a power drilling tool according to claim 4, wherein: the limiting grooves are formed in a plurality of positions, and the limiting grooves are distributed on the bolts in an annular array mode.
6. The drill bit for a power drilling tool according to claim 1, wherein: the propping mechanism comprises a push rod, a first fixing piece, a second fixing piece and a tension spring, wherein the push rod is connected in a sliding manner in the drill bit body, the push rod is fixedly connected with the connecting block, the first fixing piece is fixedly connected to the push rod, and the second fixing piece is fixedly connected to the drill bit body.
7. The drill bit for a power drilling tool according to claim 6, wherein: and a tension spring is welded on the second fixing piece, and the other end of the tension spring is welded with the first fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321018466.5U CN219808955U (en) | 2023-04-30 | 2023-04-30 | Drill bit for power drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321018466.5U CN219808955U (en) | 2023-04-30 | 2023-04-30 | Drill bit for power drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219808955U true CN219808955U (en) | 2023-10-10 |
Family
ID=88213227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321018466.5U Active CN219808955U (en) | 2023-04-30 | 2023-04-30 | Drill bit for power drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219808955U (en) |
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2023
- 2023-04-30 CN CN202321018466.5U patent/CN219808955U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |