CN220580969U - Integral hard alloy composite drill bit for multi-step holes - Google Patents
Integral hard alloy composite drill bit for multi-step holes Download PDFInfo
- Publication number
- CN220580969U CN220580969U CN202321932935.4U CN202321932935U CN220580969U CN 220580969 U CN220580969 U CN 220580969U CN 202321932935 U CN202321932935 U CN 202321932935U CN 220580969 U CN220580969 U CN 220580969U
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- drill bit
- hole
- protective shell
- positioning
- fixedly connected
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 239000000956 alloy Substances 0.000 title abstract description 8
- 229910045601 alloy Inorganic materials 0.000 title abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 51
- 239000007787 solid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of drill bits, in particular to an integral hard alloy composite drill bit for multi-step holes, which comprises a drill bit, a protective shell, a positioning block and a limiting assembly, wherein the drill bit comprises a column body, the bottom of the column body is fixedly connected with a drill tip, one end of the column body, which is far away from the drill tip, is provided with the limiting assembly and is symmetrically distributed, the outer side of the column body is provided with the protective shell, the cross section of the protective shell is in a ring shape, one end of the protective shell, which is far away from the drill tip, is transversely provided with a through hole, the limiting assembly comprises a positioning hole, and the positioning hole is symmetrically arranged at two sides of one end of the column body, which is far away from the drill tip; the protective shell is arranged to protect the drill point conveniently, so that the drill point is protected, the service life of the drill point is prolonged, and material resource consumption is reduced.
Description
Technical Field
The utility model relates to the technical field of drill bits, in particular to an integral hard alloy composite drill bit for multi-step holes.
Background
During drilling, the drill bit is the primary tool for breaking rock, and the well bore is formed by the drill bit breaking rock. The length of time a wellbore is formed is dependent on the degree of mutual match between the drill bit and the formation, in addition to the nature of the formation rock being drilled and the performance of the drill bit itself. The reasonable selection of the drill bit plays an important role in improving the drilling speed and reducing the comprehensive drilling cost.
Most of the existing multi-step hard alloy composite drill bits for drilling are exposed outside after being used, so that the external impact and erosion are very easy to receive, the service life of the multi-step hard alloy composite drill bit is prolonged, and material resource consumption is caused.
Disclosure of Invention
In order to solve the problems in the prior art, the integral hard alloy composite drill bit for the multi-step holes is provided.
The specific technical scheme is as follows:
the utility model provides a design a be used for whole carbide composite drill bit of multi-step hole, includes drill bit, protecting crust, locating piece and spacing subassembly, the drill bit is including the cylinder, the bottom fixedly connected with drill point of cylinder, the cylinder is kept away from the one end of drill point is equipped with spacing subassembly and be the distribution of symmetry form, the outside of cylinder is equipped with the protecting crust, the protecting crust cross section is the ring shape, the protecting crust is kept away from the one end of drill point is transversely offered the through hole spacing subassembly is including the locating hole, the locating hole is the symmetry form and is seted up the cylinder is kept away from the one end both sides of drill point.
Preferably, the top of the through hole is provided with a connecting block, the connecting block is fixedly connected to the outer side of the protecting shell, and one end, away from the protecting shell, of the connecting block is fixedly connected with a pressing piece.
Preferably, a positioning block is fixedly connected to one side of the pressing piece, which is close to the protective shell, and the positioning block and the center of the through hole are positioned on the same horizontal line.
Preferably, a spring is fixedly connected in the positioning hole, and a clamping block is fixedly connected at one end, away from the positioning hole, of the spring.
Preferably, a positioning groove is formed in one end, far away from the spring, of the clamping block, and the positioning block is fit in the positioning groove.
Preferably, the outside fixedly connected with antiskid blocks of protecting crust, the even distribution of antiskid blocks is in the outside of protecting crust.
Preferably, the outer side of the clamping block is tightly attached to the inner wall of the through hole.
The technical scheme has the following advantages or beneficial effects:
1. when the drill bit needs to work, a worker holds the clamping blocks on two sides of the top end of the cylinder by one hand, the clamping blocks are stressed and compress the spring, the spring is stressed and retracted, the clamping blocks enter the positioning holes, the worker holds the protective shell by the other hand and slides upwards on the cylinder until the through holes on two sides of the top end of the protective shell are in contact with the positioning holes, the worker holds the clamping blocks by the hands to loosen, the spring is quickly restored to eject the clamping blocks in the positioning holes, the clamping blocks extend out of the through holes from the positioning holes, and the positioning blocks on the two sides of the top end of the protective shell are clamped into the positioning grooves on the clamping blocks, so that the protective shell is positioned on the cylinder, and the drill bit at the working end of the drill bit is completely exposed by the protective shell, so that the drill bit is convenient to work; when the drill bit does not work, one hand of a worker presses the pressing piece, the positioning hole on the inner side of the pressing piece presses the clamping block, the clamping block is pressed into the positioning hole, then the other hand of the worker pinches the anti-sliding block on the outer side of the protective shell, the protective shell is downwards applied with force, the protective shell moves downwards on the cylinder until the protective shell moves to the limiting component fixedly connected to the middle section of the cylinder, then the clamping block of the limiting component of the middle section of the cylinder is ejected out of the positioning hole through the spring, the clamping block stretches out of the through hole from the positioning hole, the positioning blocks on the pressing piece on the two sides of the top end of the protective shell are clamped into the positioning grooves on the clamping block, so that one end of the protective shell far away from the pressing piece completely surrounds the drill point, the drill point is protected, the service life of the drill bit is prolonged, and consumption of materials is reduced;
2. the outer side of the protective shell is fixedly connected with anti-sliding blocks which are uniformly distributed on the outer side of the protective shell; the use of the anti-skid block is convenient for improving the friction force of the hands of workers in contact with the protective shell, thereby improving the convenience of the workers in moving the protective shell on the column body.
Drawings
Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.
FIG. 1 is a schematic structural view of an integral cemented carbide composite drill bit for multi-step holes according to the present utility model;
FIG. 2 is a cross-sectional view of a solid carbide composite drill bit with multiple stepped holes according to the present utility model;
FIG. 3 is a schematic view of the structure of a button in the monolithic cemented carbide composite drill bit for multi-step holes according to the present utility model;
fig. 4 is a schematic structural view of a spring in a multi-step hole monolithic cemented carbide composite drill bit according to the present utility model.
The above reference numerals denote: 1. a drill bit; 11. a column; 12. a drill tip; 2. a protective shell; 21. a through hole; 22. an anti-skid block; 23. a joint block; 24. pressing the slices; 25. a positioning block; 3. a limit component; 31. positioning holes; 32. a spring; 33. a clamping block; 34. and a positioning groove.
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.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1-4, an integral hard alloy composite drill bit for multi-step holes comprises a drill bit 1, a protective shell 2, a positioning block 25 and a limiting component 3, wherein the drill bit 1 comprises a column 11, the bottom of the column 11 is fixedly connected with a drill tip 12, one end of the column 11, which is far away from the drill tip 12, is provided with the limiting component 3 and is symmetrically distributed, the outer side of the column 11 is provided with the protective shell 2, the cross section of the protective shell 2 is in a circular ring shape, one end of the protective shell 2, which is far away from the drill tip 12, is transversely provided with a through hole 21, the limiting component 3 comprises a positioning hole 31, and the positioning hole 31 is symmetrically arranged at two sides of one end of the column 11, which is far away from the drill tip 12; the limiting components 3 are symmetrically distributed in the longitudinal direction of the column 11, and the limiting components 3 are arranged so as to be convenient for positioning the protective shell 2 on the column 11 of the drill bit 1; the protective shell 2 is arranged to protect the drill tip 12, so that the drill bit 1 is protected, the service life of the drill bit 1 is prolonged, and material resource consumption is reduced.
Further, the top of the through hole 21 is provided with a connecting block which is fixedly connected with the outer side of the protective shell 2, and one end of the connecting block far away from the protective shell 2 is fixedly connected with a pressing piece 24; the provision of the push tab 24 facilitates the push of the cartridge into the locating hole 31.
Further, a positioning block 25 is fixedly connected to one side of the pressing piece 24, which is close to the protective shell 2, and the positioning block 25 and the center of the through hole 21 are positioned on the same horizontal line; the positioning block 25 is clamped into the positioning groove 34 on the clamping block 33, so that the protective shell 2 can be positioned further.
Further, a spring 32 is fixedly connected in the positioning hole 31, and a clamping block 33 is fixedly connected at one end of the spring 32 away from the positioning hole 31; the provision of the spring 32 facilitates the extension or retraction of the latch 33 into the locating hole 31.
Further, a positioning groove 34 is formed at one end of the clamping block 33, which is far away from the spring 32, and a positioning block 25 is fit in the positioning groove 34; the positioning groove 34 is arranged, the clamping block 33 stretches out of the through hole 21 from the positioning hole 31, and the positioning blocks 25 on the two sides of the top end of the protective shell 2 are clamped into the positioning grooves 34 on the clamping block 33, so that the protective shell 2 is further positioned on the column 11.
Further, the outer side of the protective shell 2 is fixedly connected with an anti-skid block 22, and the anti-skid block 22 is uniformly distributed on the outer side of the protective shell 2; the use of the anti-skid blocks 22 facilitates the improvement of the friction force of the hands of the worker in contact with the protective housing 2, thereby improving the convenience of the worker moving the protective housing 2 on the column 11.
Further, the outer side of the clamping block 33 is closely attached to the inner wall of the through hole 21; the fixture block 33 extends out of the through hole 21 from the positioning hole 31, so as to position the protecting shell 2 on the column 11.
Working principle: when the device is used, the limiting assemblies 3 are symmetrically distributed in the longitudinal direction of the column 11, when the drill bit 1 needs to work, a worker holds the clamping blocks 33 on two sides of the top end of the column 11 by one hand, the clamping blocks 33 are stressed by the compression springs 32, the springs 32 are stressed to retract, the clamping blocks 33 enter the positioning holes 31, the worker holds the protective shell 2 by the other hand and slides upwards on the column 11 until the through holes 21 on two sides of the top end of the protective shell 2 are in contact with the positioning holes 31, the hands of the worker holding the clamping blocks 33 are loosened, the springs 32 quickly restore the clamping blocks 33 in the positioning holes 31, the clamping blocks 33 extend out of the through holes 21 from the positioning holes 31, and the positioning blocks 25 on two sides of the top end of the protective shell 2 are clamped into the positioning grooves 34 on the clamping blocks 33, so that the protective shell 2 is positioned on the column 11, the drill tips 12 on the working end of the drill bit 1 are fully spread out from the protective shell 2, and the drill bit 1 is convenient to work; when the drill bit 1 does not work, a worker presses the pressing piece 24 by one hand, the positioning hole 31 on the inner side of the pressing piece 24 presses the clamping block 33, the clamping block 33 is pressed into the positioning hole 31, then the other hand of the worker pinches the anti-slip block 22 on the outer side of the protective shell 2, downward force is applied, the protective shell 2 moves downwards on the cylinder 11 until moving to the position of the limiting component 3 fixedly connected to the middle section of the cylinder 11, then the clamping block 33 of the limiting component 3 in the middle section of the cylinder 11 pops out of the positioning hole 31 through the spring 32, the clamping block 33 stretches out of the through hole 21 from the positioning hole 31, and the positioning blocks 25 on the two sides of the top end of the protective shell 2 are clamped into the positioning grooves 34 on the clamping block 33, so that the protective shell 2 is positioned on the cylinder 11, and the end, far away from the pressing piece 24, of the protective shell 2 completely surrounds the drill bit 12, so that the drill bit 12 is protected, the service life of the drill bit 1 is further protected, and material consumption of the drill bit 1 is reduced.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a be used for whole carbide composite drill bit of multi-step hole which characterized in that: including drill bit (1), protecting crust (2), locating piece (25) and spacing subassembly (3), drill bit (1) is including cylinder (11), the bottom fixedly connected with drill point (12) of cylinder (11), cylinder (11) are kept away from the one end of drill point (12) is equipped with spacing subassembly (3) and be the distribution of symmetry form, the outside of cylinder (11) is equipped with protecting crust (2), protecting crust (2) cross section is the ring shape, protecting crust (2) are kept away from through hole (21) have transversely been seted up to the one end of drill point (12) spacing subassembly (3) are including locating hole (31), locating hole (31) are the symmetry form and are seted up cylinder (11) are kept away from the one end both sides of drill point (12).
2. The solid carbide composite drill bit for multi-step holes according to claim 1, wherein: the top of through hole (21) is equipped with the joint piece, joint piece fixed connection is in the outside of protecting crust (2), the joint piece is kept away from one end fixedly connected with of protecting crust (2) presses piece (24).
3. The solid carbide composite drill bit for multi-step holes according to claim 2, wherein: one side of the pressing piece (24) close to the protective shell (2) is fixedly connected with a positioning block (25), and the positioning block (25) and the center of the through hole (21) are positioned on the same horizontal line.
4. The solid carbide composite drill bit for multi-step holes according to claim 1, wherein: the positioning hole (31) is internally fixedly connected with a spring (32), and one end, away from the positioning hole (31), of the spring (32) is fixedly connected with a clamping block (33).
5. The solid carbide composite drill bit for multi-step holes according to claim 4, wherein: one end of the clamping block (33) far away from the spring (32) is provided with a positioning groove (34), and the positioning block (25) is fit in the positioning groove (34).
6. The solid carbide composite drill bit for multi-step holes according to claim 1, wherein: the anti-skid device is characterized in that an anti-skid block (22) is fixedly connected to the outer side of the protective shell (2), and the anti-skid block (22) is uniformly distributed on the outer side of the protective shell (2).
7. The solid carbide composite drill bit for multi-step holes according to claim 6, wherein: the outer side of the clamping block (33) is tightly attached to the inner wall of the through hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321932935.4U CN220580969U (en) | 2023-07-21 | 2023-07-21 | Integral hard alloy composite drill bit for multi-step holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321932935.4U CN220580969U (en) | 2023-07-21 | 2023-07-21 | Integral hard alloy composite drill bit for multi-step holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220580969U true CN220580969U (en) | 2024-03-12 |
Family
ID=90116405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321932935.4U Active CN220580969U (en) | 2023-07-21 | 2023-07-21 | Integral hard alloy composite drill bit for multi-step holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220580969U (en) |
-
2023
- 2023-07-21 CN CN202321932935.4U patent/CN220580969U/en active Active
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| GR01 | Patent grant |